:root{--warm-50: #fdfcfa;--warm-100: #f8f6f2;--warm-150: #f2efe9;--warm-200: #e9e4db;--warm-300: #d8d1c5;--warm-400: #b0a797;--warm-500: #8a8171;--warm-600: #6b6355;--warm-700: #4f4940;--warm-800: #35312b;--warm-900: #201e1a;--warm-950: #14120f;--indigo-50: #f0effc;--indigo-100: #e3e1fa;--indigo-200: #c9c6f6;--indigo-300: #a8a3f0;--indigo-400: #8079e8;--indigo-500: #6366f1;--indigo-600: #4f46e5;--indigo-700: #4038c4;--indigo-800: #342e9e;--indigo-900: #2a2578;--clay-50: #fdf6f0;--clay-100: #fbede2;--clay-300: #e8b48c;--clay-500: #c2662e;--clay-600: #a04f20;--clay-700: #7f3d18;--success-100: #e4f0e6;--success-500: #3f8f52;--success-600: #2f6f3f;--error-100: #fbe8e5;--error-500: #cf4436;--error-600: #ab3327;--warning-100: #fdf1de;--warning-500: #cc8324;--warning-600: #96601a;--info-100: var(--indigo-100);--info-500: var(--indigo-500);--info-600: var(--indigo-600)}:root{--color-bg-primary: var(--warm-50);--color-bg-secondary: var(--warm-100);--color-bg-tertiary: var(--warm-150);--color-bg-inverse: var(--warm-900);--color-bg-canvas: #ffffff;--color-text-primary: var(--warm-900);--color-text-secondary: var(--warm-700);--color-text-tertiary: var(--warm-600);--color-text-placeholder: var(--warm-600);--color-text-disabled: var(--warm-500);--color-text-inverse: var(--warm-50);--color-text-link: var(--indigo-600);--color-text-accent: var(--clay-600);--color-text-on-accent: #ffffff;--color-border-subtle: var(--warm-200);--color-border-primary: var(--warm-300);--color-border-secondary: var(--warm-200);--color-border-strong: var(--warm-400);--color-border-focus: var(--indigo-600);--color-accent-primary: var(--indigo-600);--color-accent-primary-hover: var(--indigo-700);--color-accent-primary-active: var(--indigo-800);--color-accent-primary-subtle: var(--indigo-50);--color-accent-secondary: var(--clay-600);--color-accent-secondary-subtle: var(--clay-100);--color-status-success: var(--success-600);--color-status-warning: var(--warning-600);--color-status-error: var(--error-600);--color-status-info: var(--info-600);--color-status-success-bg: var(--success-100);--color-status-warning-bg: var(--warning-100);--color-status-error-bg: var(--error-100);--color-status-info-bg: var(--info-100);--color-surface-overlay: rgba(32, 30, 26, .55);--color-surface-raised: var(--warm-50);--color-surface-sunken: var(--warm-150)}:root{--font-family-display: "Instrument Serif", "Iowan Old Style", Georgia, serif;--font-family-body: "Inter", system-ui, -apple-system, sans-serif;--font-family-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;--font-size-xs: .875rem;--font-size-sm: .875rem;--font-size-base: 1rem;--font-size-md: 1.125rem;--font-size-lg: 1.25rem;--font-size-xl: 1.5rem;--font-size-2xl: 1.875rem;--font-size-3xl: 2.25rem;--font-size-4xl: 3rem;--font-size-5xl: 4rem;--font-weight-normal: 400;--font-weight-medium: 500;--font-weight-semibold: 600;--font-weight-bold: 700;--line-height-tight: 1.15;--line-height-snug: 1.3;--line-height-normal: 1.5;--line-height-relaxed: 1.65;--letter-spacing-display: -.03em;--letter-spacing-tight: -.02em;--letter-spacing-snug: -.01em;--letter-spacing-normal: 0;--letter-spacing-wide: .04em;--letter-spacing-mono: -.01em;--font-numeric-tabular: "tnum" 1, "lnum" 1}:root{--space-0: 0;--space-1: .25rem;--space-2: .5rem;--space-3: .75rem;--space-4: 1rem;--space-5: 1.25rem;--space-6: 1.5rem;--space-8: 2rem;--space-10: 2.5rem;--space-12: 3rem;--space-16: 4rem;--space-20: 5rem;--space-24: 6rem}:root{--control-height: 2.75rem;--control-height-sm: 2.25rem;--control-padding-x: var(--space-4);--control-gap: var(--space-3);--section-gap: var(--space-8);--tap-target-min: 2.75rem}[data-density=tool]{--control-height: 2rem;--control-height-sm: 1.75rem;--control-padding-x: var(--space-2);--control-gap: var(--space-1);--section-gap: var(--space-4)}@media (pointer: coarse){[data-density=tool]{--control-height: var(--tap-target-min)}}:root{--max-width-content: 42rem;--max-width-wide: 64rem;--max-width-page: 80rem;--border-radius-sm: 6px;--border-radius-md: 10px;--border-radius-lg: 14px;--border-radius-xl: 20px;--border-radius-2xl: 28px;--border-radius-full: 999px;--shadow-xs: 0 1px 2px rgba(32, 30, 26, .04);--shadow-sm: 0 1px 3px rgba(32, 30, 26, .06), 0 1px 2px rgba(32, 30, 26, .04);--shadow-md: 0 4px 12px -2px rgba(32, 30, 26, .08), 0 2px 4px -1px rgba(32, 30, 26, .04);--shadow-lg: 0 12px 28px -8px rgba(32, 30, 26, .12), 0 4px 8px -2px rgba(32, 30, 26, .06);--shadow-xl: 0 24px 48px -12px rgba(32, 30, 26, .18);--shadow-sheet: 0 -8px 32px -8px rgba(32, 30, 26, .16);--shadow-focus: 0 0 0 3px rgba(79, 70, 229, .28);--focus-ring-width: 2px;--focus-ring-offset: 2px;--focus-ring-color: var(--color-border-focus)}:root{--duration-instant: 50ms;--duration-fast: .12s;--duration-normal: .18s;--duration-slow: .28s;--duration-slower: .42s;--easing-default: cubic-bezier(.16, 1, .3, 1);--easing-out: cubic-bezier(.16, 1, .3, 1);--easing-in: cubic-bezier(.4, 0, 1, 1);--easing-in-out: cubic-bezier(.65, 0, .35, 1);--easing-bounce: cubic-bezier(.34, 1.56, .64, 1);--easing-sheet: cubic-bezier(.32, .72, 0, 1)}:root{--breakpoint-sm: 375px;--breakpoint-md: 640px;--breakpoint-lg: 1024px;--breakpoint-xl: 1280px}:root{--z-base: 0;--z-sticky: 10;--z-overlay: 100;--z-modal: 2000;--z-toast: 3000}:root{--modal-vh: min(100dvh, 100svh);--modal-pad-top: max(1rem, env(safe-area-inset-top, 0px));--modal-pad-right: max(1rem, env(safe-area-inset-right, 0px));--modal-pad-bottom: max(1rem, env(safe-area-inset-bottom, 0px));--modal-pad-left: max(1rem, env(safe-area-inset-left, 0px));--modal-max-height: calc(var(--modal-vh) - var(--modal-pad-top) - var(--modal-pad-bottom));--header-height: 94px;--safe-bottom: env(safe-area-inset-bottom, 0px);--action-bar-height: calc(4.5rem + var(--safe-bottom))}:root{--gray-50: var(--warm-50);--gray-100: var(--warm-100);--gray-200: var(--warm-200);--gray-300: var(--warm-300);--gray-400: var(--warm-400);--gray-500: var(--warm-500);--gray-600: var(--warm-600);--gray-700: var(--warm-700);--gray-800: var(--warm-800);--gray-900: var(--warm-900);--brand-50: var(--indigo-50);--brand-100: var(--indigo-100);--brand-200: var(--indigo-200);--brand-400: var(--indigo-400);--brand-500: var(--indigo-500);--brand-600: var(--indigo-600);--brand-700: var(--indigo-700);--brand-800: var(--indigo-800);--accent-500: var(--clay-500);--accent-600: var(--clay-600);--surface: var(--color-bg-primary);--surface-raised: var(--color-surface-raised);--surface-sunken: var(--color-surface-sunken);--surface-overlay: var(--color-surface-overlay);--text-primary: var(--color-text-primary);--text-secondary: var(--color-text-secondary);--text-tertiary: var(--color-text-tertiary);--text-on-brand: var(--color-text-inverse);--text-disabled: var(--color-text-disabled);--border-subtle: var(--color-border-subtle);--border-default: var(--color-border-primary);--border-strong: var(--color-border-strong);--border-focus: var(--color-border-focus);--font-sans: var(--font-family-body);--text-min: var(--font-size-xs);--text-xs: var(--font-size-xs);--text-sm: var(--font-size-sm);--text-base: var(--font-size-base);--text-lg: var(--font-size-md);--text-xl: var(--font-size-lg);--text-2xl: var(--font-size-xl);--text-3xl: var(--font-size-2xl);--leading-tight: var(--line-height-tight);--leading-normal: var(--line-height-normal);--leading-relaxed: var(--line-height-relaxed);--weight-regular: var(--font-weight-normal);--weight-medium: var(--font-weight-medium);--weight-semibold: var(--font-weight-semibold);--weight-bold: var(--font-weight-bold);--radius-sm: var(--border-radius-sm);--radius-md: var(--border-radius-md);--radius-lg: var(--border-radius-lg);--radius-xl: var(--border-radius-xl);--radius-pill: var(--border-radius-full);--ease-out: var(--easing-out);--ease-in-out: var(--easing-in-out);--ease-spring: var(--easing-bounce);--duration-base: var(--duration-normal);--success-color: var(--color-status-success);--error-color: var(--color-status-error);--primary-color: var(--indigo-600);--primary-dark: var(--indigo-700);--secondary-color: var(--color-surface-sunken);--text-color: var(--color-text-primary);--text-light: var(--color-text-secondary);--background-color: var(--color-bg-primary);--border-color: var(--color-border-subtle);--box-shadow: var(--shadow-md);--border-radius: var(--border-radius-sm);--button-border-radius: var(--border-radius-sm);--primary: var(--indigo-600);--secondary: var(--clay-500);--text: var(--color-text-primary);--border: var(--color-border-subtle);--background: var(--color-bg-tertiary);--card-bg: var(--color-bg-primary)}[data-theme=dark]{--color-bg-primary: var(--warm-950);--color-bg-secondary: #1e1b16;--color-bg-tertiary: #272319;--color-bg-inverse: var(--warm-50);--color-bg-canvas: #1a1815;--color-text-primary: #f2efe9;--color-text-secondary: #c4bcae;--color-text-tertiary: #948b7c;--color-text-placeholder: #948b7c;--color-text-disabled: #6b6355;--color-text-inverse: var(--warm-900);--color-text-link: var(--indigo-400);--color-text-accent: var(--clay-300);--color-border-subtle: #2e2a23;--color-border-primary: #3d382f;--color-border-secondary: #2e2a23;--color-border-strong: #57503f;--color-border-focus: var(--indigo-400);--color-accent-primary: var(--indigo-500);--color-accent-primary-hover: var(--indigo-400);--color-accent-primary-active: var(--indigo-300);--color-accent-primary-subtle: #241f4a;--color-accent-secondary: var(--clay-300);--color-accent-secondary-subtle: #33210f;--color-status-success: #6bbf7e;--color-status-warning: #e0a445;--color-status-error: #e8776a;--color-status-info: var(--indigo-400);--color-status-success-bg: #1a2b1e;--color-status-warning-bg: #2e2314;--color-status-error-bg: #2e1a17;--color-status-info-bg: #201d3d;--color-surface-overlay: rgba(10, 9, 7, .7);--color-surface-raised: #1e1b16;--color-surface-sunken: #100e0c;--shadow-xs: 0 1px 2px rgba(0, 0, 0, .3);--shadow-sm: 0 1px 3px rgba(0, 0, 0, .4), 0 1px 2px rgba(0, 0, 0, .3);--shadow-md: 0 4px 12px -2px rgba(0, 0, 0, .5), 0 2px 4px -1px rgba(0, 0, 0, .3);--shadow-lg: 0 12px 28px -8px rgba(0, 0, 0, .6), 0 4px 8px -2px rgba(0, 0, 0, .4);--shadow-xl: 0 24px 48px -12px rgba(0, 0, 0, .7);--shadow-sheet: 0 -8px 32px -8px rgba(0, 0, 0, .6);--shadow-focus: 0 0 0 3px rgba(128, 121, 232, .4);--surface: var(--color-bg-primary);--surface-raised: var(--color-surface-raised);--surface-sunken: var(--color-surface-sunken);--surface-overlay: var(--color-surface-overlay);--text-primary: var(--color-text-primary);--text-secondary: var(--color-text-secondary);--text-tertiary: var(--color-text-tertiary);--text-disabled: var(--color-text-disabled);--border-subtle: var(--color-border-subtle);--border-default: var(--color-border-primary);--border-strong: var(--color-border-strong);--border-focus: var(--color-border-focus);--primary-color: var(--color-accent-primary);--primary-dark: var(--color-accent-primary-hover);--text-color: var(--color-text-primary);--text-light: var(--color-text-secondary);--background-color: var(--color-bg-primary);--border-color: var(--color-border-subtle);--primary: var(--color-accent-primary);--text: var(--color-text-primary);--border: var(--color-border-subtle);--background: var(--color-bg-tertiary);--card-bg: var(--color-bg-secondary)}@media (prefers-reduced-motion: reduce){:root{--duration-instant: 0ms;--duration-fast: 0ms;--duration-normal: 0ms;--duration-slow: 0ms;--duration-slower: 0ms}}*{box-sizing:border-box;margin:0;padding:0}button,input[type=button],input[type=submit],input[type=reset]{border-radius:var(--button-border-radius)}html{overflow-y:auto;overflow-x:clip;max-width:100%;overscroll-behavior-x:contain}body{overscroll-behavior-x:contain;max-width:100%;font-family:var(--font-sans);font-size:var(--text-base);line-height:var(--leading-normal);color:var(--text-primary);background-color:var(--surface);min-height:100vh;display:flex;flex-direction:column;margin:0;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizeLegibility}.display-accent,.tagline em,.results-header h2 em,.upload-content h2 em{font-family:var(--font-family-display);font-style:italic;font-weight:var(--font-weight-normal);letter-spacing:var(--letter-spacing-display);font-size:1.12em}.upload-content h2,.results-header h2{font-family:var(--font-family-display);font-weight:var(--font-weight-normal);font-size:var(--font-size-3xl);line-height:var(--line-height-tight);letter-spacing:var(--letter-spacing-display)}@media (min-width: 640px){.upload-content h2{font-size:var(--font-size-4xl)}}#mouse-coords,#zoom-level,#wall-thickness-value,#snap-threshold-value,#tokens-count,#subscription-usage-remaining,#subscription-usage-limit,.ww-cutlist-table,.ww-cutlist-total,.subscribe-price-amount,.properties-panel input[type=number],.ww-selected-fields input[type=number],.ww-array-fields input[type=number]{font-family:var(--font-family-mono);font-feature-settings:var(--font-numeric-tabular);font-variant-numeric:tabular-nums lining-nums;letter-spacing:var(--letter-spacing-mono)}h1,h2,h3{margin-bottom:var(--space-2);font-weight:var(--weight-semibold);letter-spacing:-.02em;color:var(--text-primary);line-height:var(--leading-tight)}h1{letter-spacing:-.03em}p{margin-bottom:var(--space-4);color:var(--text-secondary)}a{color:var(--primary-color);text-decoration:none}a:hover{text-decoration:underline}.hidden{display:none!important}.app-container{flex:1;display:flex;flex-direction:column;max-width:100%;margin:0 auto;width:100%}.wizard-container,.wizard-pane{width:100%;max-width:100%;overflow-x:clip}.wizard-upload-actions{display:flex;flex-wrap:wrap;justify-content:center;gap:var(--space-3);margin-bottom:var(--space-4)}.wizard-upload-actions .feng-shui-action-btn,.wizard-upload-actions .quick-edit-action-btn{width:auto}.wizard-progress{display:flex;align-items:flex-start;justify-content:center;gap:0;width:100%;max-width:100%;overflow-x:clip;padding:var(--space-4) var(--space-4) var(--space-3);border-top:1px solid var(--border-subtle);background:var(--surface);position:relative;z-index:1}.wizard-step{display:flex;flex-direction:column;align-items:center;gap:var(--space-2);flex-shrink:0;cursor:default;-webkit-user-select:none;user-select:none;min-width:60px}.wizard-step-dot{display:flex;align-items:center;justify-content:center;width:28px;height:28px;border-radius:var(--radius-pill);background:var(--surface);border:1.5px solid var(--border-default);color:var(--text-tertiary);font-size:var(--text-xs);font-weight:var(--weight-semibold);transition:background-color var(--duration-base) var(--ease-out),border-color var(--duration-base) var(--ease-out),color var(--duration-base) var(--ease-out),transform var(--duration-fast) var(--ease-out)}.wizard-step-num{line-height:1}.wizard-step-label{font-size:var(--text-xs);font-weight:var(--weight-medium);color:var(--text-tertiary);letter-spacing:.01em;transition:color var(--duration-base) var(--ease-out);white-space:nowrap}.wizard-step.active .wizard-step-dot{background:var(--brand-600);border-color:var(--brand-600);color:var(--text-on-brand);box-shadow:var(--shadow-focus)}.wizard-step.active .wizard-step-label{color:var(--text-primary);font-weight:var(--weight-semibold)}.wizard-step.completed{cursor:pointer}.wizard-step.completed .wizard-step-dot{background:var(--brand-50);border-color:var(--brand-500);color:var(--brand-700)}.wizard-step.completed .wizard-step-label{color:var(--text-secondary)}.wizard-step.completed:hover .wizard-step-dot{background:var(--brand-100);transform:translateY(-1px)}.wizard-step-line{height:1.5px;flex:0 1 64px;min-width:24px;margin-top:13px;background:var(--border-default);transition:background-color var(--duration-base) var(--ease-out)}.wizard-step-line.completed{background:var(--brand-500)}@media (max-width: 520px){.wizard-progress{padding:var(--space-3) var(--space-2)}.wizard-step{min-width:0;flex:1 1 0;width:auto;gap:var(--space-1)}.wizard-step-label{font-size:.6875rem;max-width:100%;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.wizard-step-line{flex:1 1 0;min-width:6px;margin-left:2px;margin-right:2px}}.wizard-pane-title{text-align:center;margin-bottom:1.5rem;font-size:var(--text-xl);font-weight:var(--weight-semibold);letter-spacing:-.01em;color:var(--text-primary)}#wizard-pane-4 .wizard-pane-title{margin-bottom:.5rem}.wizard-nav{display:flex;gap:var(--space-3);margin-top:var(--space-8);padding-top:var(--space-4);border-top:1px solid var(--border-subtle);justify-content:space-between;align-items:center}.model-pref-row{margin-top:var(--space-8)}.refinement-area .model-pref-row{margin:0 16px 8px}.model-pref-toggle{display:flex;align-items:flex-start;gap:12px;padding:12px 14px;background:#6366f10a;border:1px solid rgba(99,102,241,.2);border-radius:10px;cursor:pointer;transition:background .15s var(--ease-out),border-color .15s var(--ease-out);-webkit-user-select:none;user-select:none}.model-pref-toggle:hover{background:#6366f114;border-color:#6366f159}.model-pref-toggle.model-pref-disabled{opacity:.65;cursor:not-allowed}.model-pref-toggle.model-pref-disabled:hover{background:#6366f10a;border-color:#6366f133}.model-pref-toggle input[type=checkbox]{position:absolute;opacity:0;pointer-events:none}.model-pref-track{position:relative;flex-shrink:0;width:36px;height:20px;background:var(--color-border-primary);border-radius:999px;transition:background .15s var(--ease-out);margin-top:2px}.model-pref-thumb{position:absolute;top:2px;left:2px;width:16px;height:16px;background:var(--color-bg-primary);border-radius:50%;box-shadow:0 1px 2px #201e1a33;transition:transform .18s var(--ease-out)}.model-pref-toggle input[type=checkbox]:checked+.model-pref-track{background:var(--indigo-500)}.model-pref-toggle input[type=checkbox]:checked+.model-pref-track .model-pref-thumb{transform:translate(16px)}.model-pref-toggle input[type=checkbox]:focus-visible+.model-pref-track{box-shadow:0 0 0 3px #6366f159}.model-pref-text{display:flex;flex-direction:column;gap:2px;line-height:1.3}.model-pref-label{font-size:.92rem;font-weight:600;color:var(--color-text-primary)}.model-pref-hint{font-size:.875rem;color:var(--color-text-tertiary)}.model-pref-upsell{font-size:.8rem;color:var(--color-text-tertiary);margin-top:12px;padding-left:4px;padding-right:4px;line-height:1.45}.model-pref-upsell-btn{background:none;border:none;padding:0;font-size:inherit;font-weight:500;color:var(--indigo-500);cursor:pointer;text-decoration:underline;text-underline-offset:2px}.model-pref-upsell-btn:hover{color:var(--color-accent-primary)}.wizard-nav .secondary-btn,.wizard-nav .primary-btn{flex:0 0 auto;width:180px;height:44px;min-height:44px;padding-top:0;padding-bottom:0}.wizard-nav .primary-btn{margin-left:auto}.wizard-nav .primary-btn:disabled{cursor:not-allowed}header{background-color:var(--background-color);box-shadow:0 1px 3px #201e1a1a;position:sticky;top:0;z-index:200;width:100%;max-width:100%;overflow:visible}.header-inner{padding:1.5rem 1rem;max-width:100%;margin:0 auto;display:flex;justify-content:space-between;align-items:center;gap:.75rem;min-width:0}main{flex:1;padding:1.5rem 1rem 1rem;display:flex;flex-direction:column;max-width:100%;overflow-x:clip}.logo{display:flex;flex-direction:column;align-items:center;min-width:0;flex:0 1 auto;text-decoration:none;color:inherit;cursor:pointer}.logo:hover{text-decoration:none}.logo:hover h1{color:var(--brand-700, var(--brand-600))}.logo h1{font-size:var(--text-2xl);font-weight:var(--weight-bold);letter-spacing:-.02em;color:var(--brand-600);margin-bottom:var(--space-1)}.tagline{font-size:var(--text-sm);color:var(--text-secondary)}.login-btn{display:flex;align-items:center;gap:.5rem;padding:.5rem 1rem;background-color:transparent;color:var(--text-light);border:1px solid var(--border-color);border-radius:var(--button-border-radius);font-size:.875rem;cursor:pointer;transition:all .2s var(--ease-out)}.login-btn:hover{background-color:var(--secondary-color);color:var(--text-color)}.login-btn.authenticated{color:var(--success-color);border-color:var(--success-color)}.modal{position:fixed;top:0;right:0;bottom:0;left:0;background-color:#201e1a80;display:flex;align-items:flex-start;justify-content:center;z-index:2000;opacity:0;visibility:hidden;transition:opacity .25s var(--ease-out),visibility .25s var(--ease-out);overflow-x:hidden;overflow-y:auto;-webkit-overflow-scrolling:touch;overscroll-behavior:contain;padding:var(--modal-pad-top) var(--modal-pad-right) var(--modal-pad-bottom) var(--modal-pad-left);box-sizing:border-box}.modal.show{opacity:1;visibility:visible}.modal-content{background:radial-gradient(circle at top left,var(--color-accent-primary-subtle) 0,var(--color-bg-primary) 55%);border-radius:1rem;box-shadow:0 22px 45px #201e1a38;border:1px solid rgba(176,167,151,.35);width:min(100%,500px);max-width:500px;max-height:var(--modal-max-height);margin-block:auto;flex-shrink:0;display:flex;flex-direction:column;overflow:hidden;animation:modalFadeIn .3s var(--ease-out)}@keyframes modalFadeIn{0%{transform:translateY(20px);opacity:0}to{transform:translateY(0);opacity:1}}.modal-header{padding:1.5rem;border-bottom:1px solid rgba(176,167,151,.35);display:flex;align-items:center;justify-content:space-between;background:linear-gradient(to right,#4f46e50f,#818cf808);flex-shrink:0}.modal-header h2{margin:0;font-size:1.25rem;letter-spacing:.02em}.close-modal-btn{background:none;border:none;cursor:pointer;color:var(--text-light);padding:.25rem;display:flex;align-items:center;justify-content:center;border-radius:var(--button-border-radius);transition:color .2s var(--ease-out)}.close-modal-btn:hover{color:var(--text-color)}.modal-body{padding:1.5rem;overflow-y:auto;flex:1 1 auto;min-height:0;-webkit-overflow-scrolling:touch;overscroll-behavior:contain;touch-action:pan-y}.modal-footer{padding:1.5rem;padding-top:0;margin-top:3rem;display:flex;justify-content:center;gap:.75rem;flex-shrink:0}.modal-footer .primary-btn,.modal-footer .secondary-btn{flex:1 1 0;min-width:0;max-width:180px;white-space:normal;text-align:center;line-height:1.35;min-height:48px;align-self:stretch;padding:var(--space-3) var(--space-4);font-size:var(--text-sm)}.auth-tabs{display:flex;margin-bottom:1.5rem;border-bottom:1px solid var(--border-color)}.auth-tab-btn{flex:1;background:none;border:none;border-bottom:2px solid transparent;border-radius:var(--button-border-radius);padding:.75rem;font-weight:500;color:var(--text-light);cursor:pointer;transition:all .2s var(--ease-out)}.auth-tab-btn:hover{color:var(--text-color)}.auth-tab-btn.active{color:var(--primary-color);border-bottom-color:var(--primary-color)}.auth-extra{display:flex;justify-content:space-between;align-items:center;margin-bottom:1rem;font-size:.875rem}.remember-me,.terms-checkbox{display:flex;align-items:center;gap:.5rem}.remember-me input[type=checkbox],.terms-checkbox input[type=checkbox]{width:16px;height:16px;accent-color:var(--primary-color)}.auth-info{background-color:var(--secondary-color);padding:1rem;border-radius:var(--border-radius);margin-bottom:1.5rem}.auth-info p{display:flex;align-items:center;gap:.5rem;margin-bottom:0;font-size:.875rem}.auth-error p{display:flex;align-items:center;gap:.5rem;margin-bottom:0;color:var(--error-color);font-size:.875rem}.error-message{background-color:#cf44361a;color:var(--error-color);padding:.75rem;border-radius:var(--border-radius);margin-top:1rem;display:flex;align-items:center;gap:.5rem;font-size:.875rem}.error-message i{flex-shrink:0;width:16px;height:16px}.input-group{margin-bottom:1.5rem;position:relative}.input-group label{display:block;margin-bottom:.5rem;font-weight:500}.input-group input{width:100%;min-height:40px;padding:var(--space-3) var(--space-4);border:1px solid var(--border-default);border-radius:var(--radius-sm);font-family:var(--font-sans);font-size:var(--text-sm);color:var(--text-primary);background-color:var(--surface);transition:border-color var(--duration-base) var(--ease-out),box-shadow var(--duration-base) var(--ease-out)}.input-group input::placeholder{color:var(--text-tertiary)}.input-group input:hover{border-color:var(--border-strong)}.input-group input:focus{outline:none;border-color:var(--border-focus);box-shadow:var(--shadow-focus)}.toggle-visibility-btn{position:absolute;right:.75rem;bottom:.75rem;background:none;border:none;color:var(--text-light);cursor:pointer;border-radius:var(--button-border-radius);transition:color .2s var(--ease-out)}.toggle-visibility-btn:hover{color:var(--text-color)}.info-icon{color:var(--primary-color);flex-shrink:0}.small-icon{width:14px;height:14px}.upload-section{margin-bottom:2rem}.upload-container{border:1.5px dashed var(--border-default);border-radius:var(--radius-lg);padding:var(--space-10) var(--space-6);text-align:center;background-color:var(--surface-sunken);transition:border-color var(--duration-base) var(--ease-out),background-color var(--duration-base) var(--ease-out)}.upload-container:hover{border-color:var(--brand-500);background-color:var(--brand-50)}.upload-content{display:flex;flex-direction:column;align-items:center;justify-content:center}.upload-icon{width:48px;height:48px;color:var(--primary-color);margin-bottom:1rem}.upload-btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-2);width:200px;height:44px;padding:0 var(--space-6);background-color:var(--brand-600);color:var(--text-on-brand);border-radius:var(--radius-sm);font-size:var(--text-sm);font-weight:var(--weight-semibold);cursor:pointer;border:1px solid transparent;box-shadow:var(--shadow-xs);transition:background-color var(--duration-base) var(--ease-out),box-shadow var(--duration-base) var(--ease-out),transform var(--duration-fast) var(--ease-out)}.upload-btn:hover{background-color:var(--brand-700);box-shadow:var(--shadow-sm)}.upload-btn:active{transform:translateY(.5px)}.camera-btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-2);width:200px;height:44px;padding:0 var(--space-6);background-color:var(--surface);color:var(--text-primary);border:1px solid var(--border-default);border-radius:var(--radius-sm);font-size:var(--text-sm);font-weight:var(--weight-medium);cursor:pointer;transition:background-color var(--duration-base) var(--ease-out),border-color var(--duration-base) var(--ease-out)}.camera-btn:hover{background-color:var(--gray-50);border-color:var(--border-strong)}.camera-btn svg{color:var(--text-secondary)}#room-preview{width:100%;border-radius:var(--border-radius);box-shadow:var(--box-shadow);object-fit:cover;max-height:60vh}.room-options-section{margin-top:2rem}.option-icon{margin-right:1rem;display:flex;align-items:center;justify-content:center;width:40px;height:40px;background-color:var(--secondary-color);border-radius:50%;color:var(--primary-color)}.option-text{flex:1}.option-text h3{margin-bottom:.25rem}.option-text p{margin-bottom:0;font-size:.875rem}.options-actions{display:flex;justify-content:space-between;margin-top:2rem;gap:1rem}.results-section{margin-top:var(--space-6)}.results-header{display:flex;align-items:flex-start;justify-content:space-between;gap:var(--space-4);text-align:left;margin-bottom:var(--space-6);padding:2rem}.results-header-text{flex:1;min-width:0}.results-header h2{font-size:var(--text-2xl);font-weight:var(--weight-semibold);letter-spacing:-.02em;margin-bottom:var(--space-2)}.results-header p{color:var(--text-secondary);font-size:var(--text-sm);margin-bottom:0}.feng-shui-action-btn{flex-shrink:0;color:var(--color-status-success);border-color:var(--color-status-success-bg);background:var(--color-status-success-bg)}.feng-shui-action-btn:hover:not(:disabled){background:var(--color-status-success-bg);border-color:var(--success-500)}.feng-shui-action-btn:disabled{opacity:.5;cursor:not-allowed}.quick-edit-action-btn{flex-shrink:0;color:var(--color-accent-primary-active);border-color:var(--indigo-200);background:var(--color-accent-primary-subtle)}.quick-edit-action-btn:hover:not(:disabled){background:var(--indigo-100);border-color:var(--indigo-300)}.quick-edit-action-btn:disabled{opacity:.5;cursor:not-allowed}.quick-edit-modal-content{max-width:560px}.quick-edit-intro{margin:0 0 var(--space-4);color:var(--text-secondary, var(--color-text-secondary));font-size:.95rem}.quick-edit-input{width:100%;box-sizing:border-box;resize:vertical;min-height:84px;padding:12px 14px;border:1px solid var(--color-border-primary);border-radius:10px;background:var(--color-bg-primary);color:var(--color-text-primary);font-family:inherit;font-size:.95rem;line-height:1.5}.quick-edit-input::placeholder{color:var(--color-text-tertiary)}.quick-edit-input:focus{outline:none;border-color:var(--color-accent-primary);box-shadow:0 0 0 2px #4f46e526}.quick-edit-footer{display:flex;justify-content:flex-end;gap:10px;margin-top:var(--space-5, 20px)}.quick-edit-footer .secondary-btn,.quick-edit-footer .primary-btn{width:auto}.quick-edit-note{margin:10px 0 0;text-align:right;font-size:.78rem;color:var(--color-text-tertiary)}.results-display{position:relative;min-height:320px}.loading-indicator{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:var(--space-3);background-color:#fdfcfad9;backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);border-radius:var(--radius-lg);z-index:5}.loading-indicator p{margin:0;font-size:var(--text-sm);color:var(--text-primary);font-weight:var(--weight-medium)}.spinner{width:36px;height:36px;border:3px solid var(--brand-100);border-top-color:var(--brand-600);border-radius:50%;animation:spin .9s linear infinite}.loading-subtext{font-size:var(--text-xs)!important;color:var(--text-tertiary)!important;font-weight:var(--weight-regular)!important}.design-carousel{display:flex;overflow-x:auto;scroll-snap-type:x mandatory;gap:var(--space-4);padding-bottom:var(--space-2);-webkit-overflow-scrolling:touch;justify-content:center}.design-history{margin-bottom:var(--space-4)}.design-history-label{font-size:var(--text-xs);font-weight:var(--weight-semibold);text-transform:uppercase;letter-spacing:.06em;color:var(--text-tertiary);margin-bottom:var(--space-2)}.design-history-strip{display:flex;gap:var(--space-2);overflow-x:auto;padding:var(--space-1) 2px var(--space-2);-webkit-overflow-scrolling:touch;scrollbar-width:thin}.design-history-thumb{position:relative;flex:0 0 auto;display:inline-flex;flex-direction:column;align-items:stretch;width:84px;padding:0;background:var(--surface);border:1.5px solid var(--border-subtle);border-radius:var(--radius-sm);cursor:pointer;overflow:hidden;transition:border-color var(--duration-base) var(--ease-out),box-shadow var(--duration-base) var(--ease-out),transform var(--duration-fast) var(--ease-out)}.design-history-thumb img{display:block;width:100%;height:64px;object-fit:cover;background:var(--gray-100)}.design-history-thumb-label{display:block;padding:4px 6px;font-family:var(--font-sans);font-size:14px;font-weight:var(--weight-medium);color:var(--text-secondary);text-align:center;letter-spacing:.02em;border-top:1px solid var(--border-subtle);background:var(--surface)}.design-history-thumb:hover{border-color:var(--border-strong);transform:translateY(-1px);box-shadow:var(--shadow-sm)}.design-history-thumb.active{border-color:var(--brand-600);box-shadow:0 0 0 2px #6366f133}.design-history-thumb.active .design-history-thumb-label{color:var(--brand-700);font-weight:var(--weight-semibold);background:var(--brand-50)}.design-history-thumb:focus-visible{outline:none;box-shadow:var(--shadow-focus)}.design-info{padding:var(--space-4) var(--space-5);background-color:var(--surface);border-top:1px solid var(--border-subtle)}.design-title{font-size:var(--text-lg);font-weight:var(--weight-semibold);letter-spacing:-.01em;margin-bottom:var(--space-1)}.design-description{font-size:var(--text-sm);color:var(--text-secondary);line-height:var(--leading-relaxed);margin-bottom:0}.refinement-area{margin-bottom:var(--space-8);margin-top:var(--space-6);background:var(--surface);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);box-shadow:var(--shadow-md);overflow:hidden}.refinement-header{padding:var(--space-4) var(--space-5) var(--space-3)}.refinement-label{display:flex;align-items:center;gap:var(--space-2);font-weight:var(--weight-semibold);font-size:var(--text-base);color:var(--text-primary);margin-bottom:var(--space-1)}.refinement-label svg{width:16px;height:16px;flex-shrink:0;color:var(--brand-600)}.refinement-hint{font-size:var(--text-sm);color:var(--text-secondary);margin:0}.refinement-textarea{display:block;width:calc(100% - 2 * var(--space-4));margin-left:var(--space-4);margin-right:var(--space-4);padding:var(--space-4);border:1px solid var(--border-subtle);border-radius:var(--radius-md);font-family:var(--font-sans);font-size:var(--text-sm);line-height:var(--leading-relaxed);color:var(--text-primary);background:var(--surface);resize:vertical;min-height:96px;transition:background-color var(--duration-base) var(--ease-out),box-shadow var(--duration-base) var(--ease-out);box-sizing:border-box}.refinement-textarea:hover{background:var(--gray-50)}.refinement-textarea:focus{outline:none;background:var(--surface);box-shadow:inset 0 0 0 2px var(--brand-500)}.refinement-textarea::placeholder{color:var(--text-tertiary)}.refinement-chips{display:flex;flex-wrap:wrap;gap:var(--space-2);padding:var(--space-3) var(--space-5);margin-top:0}.refinement-footer{display:flex;justify-content:flex-end;padding:var(--space-4)}.refinement-footer .primary-btn{min-width:180px}.refinement-chip{display:inline-flex;align-items:center;padding:var(--space-2) var(--space-3);background:var(--surface);color:var(--text-secondary);border:1px solid var(--border-default);border-radius:var(--radius-pill);font-family:var(--font-sans);font-size:var(--text-xs);font-weight:var(--weight-medium);cursor:pointer;white-space:nowrap;transition:background-color var(--duration-base) var(--ease-out),border-color var(--duration-base) var(--ease-out),color var(--duration-base) var(--ease-out)}.refinement-chip:hover{background:var(--brand-50);border-color:var(--brand-400);color:var(--brand-700)}.refinement-chip:active{transform:translateY(.5px)}.refinement-chip:focus-visible{outline:none;box-shadow:var(--shadow-focus)}.results-actions{display:flex;align-items:center;justify-content:space-between;gap:var(--space-3);margin-top:var(--space-6);flex-wrap:wrap}@media (max-width: 520px){.results-actions{width:100%}.results-actions .secondary-btn,.results-actions .primary-btn{flex:1}}.primary-btn,.secondary-btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-2);padding:var(--space-3) var(--space-5);min-height:40px;border-radius:var(--radius-sm);font-family:var(--font-sans);font-size:var(--text-sm);font-weight:var(--weight-semibold);letter-spacing:.005em;cursor:pointer;border:1px solid transparent;outline:none;white-space:nowrap;transition:background-color var(--duration-base) var(--ease-out),border-color var(--duration-base) var(--ease-out),color var(--duration-base) var(--ease-out),box-shadow var(--duration-base) var(--ease-out),transform var(--duration-fast) var(--ease-out)}.primary-btn{background-color:var(--brand-600);color:var(--text-on-brand);box-shadow:var(--shadow-xs)}.primary-btn:hover:not(:disabled){background-color:var(--brand-700);box-shadow:var(--shadow-sm)}.primary-btn:active:not(:disabled){background-color:var(--brand-800);transform:translateY(.5px);box-shadow:var(--shadow-xs)}.primary-btn:focus-visible{box-shadow:var(--shadow-focus)}.primary-btn:disabled{background-color:var(--gray-300);color:var(--gray-500);cursor:not-allowed;box-shadow:none}.secondary-btn{background-color:var(--surface);color:var(--text-primary);border-color:var(--border-default);box-shadow:var(--shadow-xs)}.secondary-btn:hover:not(:disabled){background-color:var(--gray-50);border-color:var(--border-strong)}.secondary-btn:active:not(:disabled){background-color:var(--gray-100);transform:translateY(.5px)}.secondary-btn:focus-visible{box-shadow:var(--shadow-focus);border-color:var(--border-focus)}.secondary-btn:disabled{color:var(--text-disabled);background-color:var(--gray-50);cursor:not-allowed;box-shadow:none}.camera-view{position:fixed;top:0;left:0;right:0;bottom:0;background-color:#000;z-index:1000;display:flex;flex-direction:column;align-items:center;justify-content:center}.camera-view video{max-width:100%;max-height:80vh}.capture-btn{position:absolute;bottom:40px;background-color:var(--color-bg-primary);border:none;border-radius:50%;width:70px;height:70px;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 6px #201e1a1a;cursor:pointer}.cancel-btn{position:absolute;top:20px;right:20px;background-color:#201e1a80;border:none;border-radius:50%;width:40px;height:40px;display:flex;align-items:center;justify-content:center;cursor:pointer;color:var(--color-text-inverse)}.drag-over{border-color:var(--primary-color);background-color:#6366f10d}.compare-btn{position:absolute;bottom:10px;left:50%;transform:translate(-50%);background-color:#201e1ab3;color:var(--color-text-inverse);border:none;border-radius:var(--button-border-radius);padding:8px 12px;font-size:14px;cursor:pointer;display:flex;align-items:center;gap:5px;transition:all .2s var(--ease-out);z-index:2}.compare-btn:hover{background-color:#201e1ae6}.design-disclaimer{position:absolute;top:0;left:0;right:0;background-color:#ab3327cc;color:var(--color-text-inverse);padding:8px;font-size:14px;text-align:center;z-index:2}.design-disclaimer p{margin:0;color:var(--color-text-inverse)}.model-status{margin:16px 8px;padding:6px 10px;font-size:14px;color:var(--color-accent-primary-hover);background-color:#6366f114;border:1px solid rgba(99,102,241,.2);border-radius:6px;text-align:center}.model-status.hidden{display:none}@media (max-width: 768px){.app-container{max-width:100%;margin:0;overflow-x:hidden}.header-inner{padding:.6rem 1rem}.logo h1{font-size:1.3rem;margin-bottom:0}.tagline{display:none}.woodworking-editor-btn,.layout-editor-btn{display:none!important}#user-email-display,.user-menu-btn .feather-chevron-down,.user-menu-btn svg.feather-chevron-down{display:none}.user-menu-btn{padding:8px 10px;gap:0}main{padding:1.5rem .75rem .75rem}.upload-section,.wizard-container{max-width:100%;overflow-x:clip}.room-type-selection,.room-items-selection,.design-style-selection,.furnished-options{padding-left:0;padding-right:0}.room-option{min-width:0;width:100%}.image-preview-wrapper{min-width:0;max-width:100%}.upload-section{margin-bottom:1rem}html:has(#upload-container:not(.hidden)):has(#wizard-container.hidden):has(#results-section.hidden),body:has(#upload-container:not(.hidden)):has(#wizard-container.hidden):has(#results-section.hidden){height:100dvh;overflow:hidden}body:has(#upload-container:not(.hidden)):has(#wizard-container.hidden):has(#results-section.hidden) .app-container{flex:1;min-height:0;overflow:hidden}body:has(#upload-container:not(.hidden)):has(#wizard-container.hidden):has(#results-section.hidden) main{flex:1;min-height:0;display:flex;flex-direction:column;padding-top:.75rem;padding-bottom:.75rem;overflow:hidden}body:has(#upload-container:not(.hidden)):has(#wizard-container.hidden):has(#results-section.hidden) .upload-section{flex:1;min-height:0;margin-bottom:0;display:flex;flex-direction:column}body:has(#upload-container:not(.hidden)):has(#wizard-container.hidden):has(#results-section.hidden) .upload-container{flex:1;min-height:0;display:flex;align-items:center;justify-content:center;padding:var(--space-6) var(--space-4)}body:has(#upload-container:not(.hidden)):has(#wizard-container.hidden):has(#results-section.hidden) .upload-content h2{margin-bottom:var(--space-2)}body:has(#upload-container:not(.hidden)):has(#wizard-container.hidden):has(#results-section.hidden) .upload-content p{margin-bottom:var(--space-3)}body:has(#upload-container:not(.hidden)):has(#wizard-container.hidden):has(#results-section.hidden) .upload-icon{margin-bottom:.75rem}body:has(#upload-container:not(.hidden)):has(#wizard-container.hidden):has(#results-section.hidden) .upload-actions{margin-top:var(--space-3)}.wizard-container{width:100%}.wizard-pane-title{font-size:1rem;text-align:left;margin-bottom:1.5rem}.image-preview-wrapper{max-width:100%;min-width:0;margin:0}.image-preview-wrapper:hover{transform:none}#room-preview{max-height:32vh}.wizard-nav{margin-top:1rem}.wizard-nav .secondary-btn,.wizard-nav .primary-btn{flex:1 1 0;width:auto;min-width:0}.wizard-nav .primary-btn{margin-left:0}.room-type-selection{margin:.6rem 0;padding:0;width:100%}.room-type-selection h3{font-size:1rem;margin-bottom:var(--space-6)}.room-options{flex-direction:column;gap:.5rem;width:100%}.room-option{width:100%;min-width:0}.room-option label{height:68px;padding:.75rem}.room-option .option-icon{width:34px;height:34px}.room-option .option-text h4{font-size:.9rem}.room-option .option-text p{font-size:.875rem}.preview-actions{justify-content:center;margin-top:1rem}.preview-actions .primary-btn{display:none}.primary-btn{width:100%;padding:.875rem 1.5rem;font-size:1rem}.results-section{margin-top:1rem;display:flex;flex-direction:column}.results-header{position:sticky;top:0;z-index:5;background-color:var(--background-color);padding:1rem;margin-bottom:0;flex-wrap:wrap}.feng-shui-action-btn{width:100%;justify-content:center}.results-display{flex:1;padding-bottom:1rem}.design-carousel{gap:.5rem;padding-bottom:.5rem}.design-card{min-height:280px}.design-image{height:200px}.refinement-area{margin-top:.75rem;padding:0}.refinement-area>*:not(.refinement-textarea){padding-left:var(--space-4);padding-right:var(--space-4)}.refinement-area .model-pref-row{margin-left:0;margin-right:0}.model-pref-row{margin-top:0}.refinement-textarea{font-size:.875rem}.results-actions{position:sticky;bottom:0;background-color:var(--background-color);padding-top:1rem;border-top:1px solid var(--border-color);margin-top:.75rem;flex-direction:column;gap:.75rem}.results-actions .primary-btn,.results-actions .secondary-btn{width:100%;padding:.875rem 1rem}:root{--modal-pad-top: max(.5rem, env(safe-area-inset-top, 0px));--modal-pad-bottom: max(.75rem, env(safe-area-inset-bottom, 0px))}.modal-content{width:100%;max-height:var(--modal-max-height)}.buy-tokens-modal-content,.subscribe-modal-content{width:100%;max-width:100%;min-height:0;max-height:var(--modal-max-height)}.room-feng-shui-modal{width:100%;max-width:100%;max-height:var(--modal-max-height)}.room-feng-shui-modal .feng-shui-body{flex:1 1 auto;min-height:0;overflow-y:auto;-webkit-overflow-scrolling:touch;overscroll-behavior:contain;touch-action:pan-y}.room-feng-shui-footer{padding-bottom:max(12px,env(safe-area-inset-bottom,0px))}#buy-tokens-modal .modal-header,#subscribe-modal .modal-header{padding:1rem 1rem .875rem}#buy-tokens-modal .tokens-info{padding:.5rem 0}#buy-tokens-modal .tokens-description{margin-bottom:1rem}#buy-tokens-modal .token-packs{gap:.5rem}#buy-tokens-modal .token-pack{padding:.75rem .35rem}#buy-tokens-modal .tokens-modal-divider{margin:1rem 0}#buy-tokens-modal .tokens-modal-subscribe{padding:1rem;margin-bottom:1rem}#subscribe-modal .subscribe-hero{margin-bottom:1rem}#subscribe-modal .subscribe-features{gap:.5rem;margin-bottom:1rem}#subscribe-modal .subscribe-cta-card{padding:1rem;margin-bottom:.75rem}.my-layouts-list,.my-designs-grid{max-height:none;overflow-y:visible}.modal-body{padding:1rem}.modal-footer{padding:0 1rem 1rem;margin-top:2.5rem;flex-direction:column;align-items:stretch}.modal-footer .primary-btn,.modal-footer .secondary-btn{flex:none;max-width:none;width:100%;min-height:3.75rem;padding:.875rem 1.5rem;font-size:1rem}.style-options-grid{grid-template-columns:repeat(auto-fill,minmax(72px,1fr));gap:6px}.style-label{height:80px;padding:10px 6px;gap:6px}.style-thumbnail{width:28px;height:28px}.style-name{font-size:.875rem}.items-grid{grid-template-columns:repeat(auto-fill,minmax(72px,1fr));gap:6px}.item-label{height:72px;padding:.5rem .3rem;gap:5px}.item-icon{width:26px;height:26px}.item-name{font-size:.875rem}.furnished-options-grid{gap:.5rem}.furnished-option label{padding:.75rem;gap:10px}.furnished-option .option-icon{width:32px;height:32px;flex-shrink:0}.furnished-option .option-text h4{font-size:.9rem;margin-bottom:2px}.furnished-option .option-text p{font-size:.875rem;line-height:1.35}}@media (min-width: 768px){.app-container,.header-inner{max-width:768px}main{padding:1.5rem 2rem 2rem}.logo{flex-direction:row;align-items:baseline;gap:.5rem}.options-actions,.results-actions{justify-content:flex-end}.results-actions{flex-direction:row;justify-content:center}.results-actions .primary-btn,.results-actions .secondary-btn{width:auto}.design-carousel{gap:1.5rem}.primary-btn,.secondary-btn{padding:.75rem 1.5rem}}@media (min-width: 1024px){.app-container,.header-inner{max-width:1024px}.design-carousel{display:grid;grid-template-columns:repeat(auto-fit,minmax(350px,400px));overflow-x:visible;justify-content:center;gap:1.5rem}.design-card{flex:0 0 auto}}@media (min-width: 1280px){.app-container,.header-inner{max-width:1280px}.design-carousel{grid-template-columns:repeat(auto-fit,minmax(350px,400px));justify-content:center}}.design-card{flex:0 0 100%;scroll-snap-align:start;border:1px solid var(--border-subtle);min-height:320px;display:flex;flex-direction:column;justify-content:flex-start;border-radius:var(--border-radius);box-shadow:0 2px 8px #201e1a0a;background:var(--color-bg-primary);margin-bottom:24px;overflow:hidden}.design-image-container{position:relative;overflow:hidden;min-height:240px;display:flex;align-items:center;justify-content:center;background:var(--color-bg-tertiary)}.image-loader{width:100%;height:240px;border-radius:var(--border-radius);background:var(--color-bg-tertiary);display:flex;align-items:center;justify-content:center;position:absolute;top:0;right:0;bottom:0;left:0;z-index:4}.image-loader-spinner{width:40px;height:40px;border:3px solid rgba(99,102,241,.18);border-top-color:var(--indigo-500);border-radius:50%;animation:image-loader-spin .9s linear infinite}@keyframes image-loader-spin{to{transform:rotate(360deg)}}.design-image{width:100%;height:240px;object-fit:cover;display:block;border-radius:var(--border-radius);opacity:0;transition:opacity .4s;position:relative;z-index:2;background:var(--color-bg-tertiary)}.design-image.fade-in{opacity:1;transition:opacity .4s}.design-disclaimer.warning{background-color:#f59e0bcc}.design-disclaimer.error{background-color:#ab3327cc}.preview-header{display:flex;align-items:center;justify-content:flex-start;padding:0;width:100%}.back-to-upload-btn{display:flex;align-items:center;gap:.5rem;background:none;border:none;color:var(--text-color);font-size:1rem;cursor:pointer;padding:1rem;border-radius:var(--button-border-radius);transition:background-color .2s var(--ease-out)}.back-to-upload-btn:hover{background-color:var(--secondary-color)}@media (min-width: 769px){.back-to-upload-btn{display:none}}.room-type-selection{margin:20px 0;padding:0 20px}.room-type-selection h3{margin-bottom:1.5rem;color:var(--color-text-primary);font-size:1.2rem;font-weight:600;text-align:center}.room-options{display:flex;flex-direction:column;gap:12px;width:100%;max-width:900px;margin:0 auto}.room-option{position:relative;flex:1;min-width:0;width:100%;display:flex;margin-bottom:1rem}.room-option input[type=radio]{display:none}.room-option label{position:relative;display:flex;align-items:center;gap:var(--space-3);padding:var(--space-4);border:1.5px solid var(--border-subtle);border-radius:var(--radius-md);cursor:pointer;transition:border-color var(--duration-base) var(--ease-out),background-color var(--duration-base) var(--ease-out),box-shadow var(--duration-base) var(--ease-out),transform var(--duration-fast) var(--ease-out);background:var(--surface);height:100px;width:100%;box-sizing:border-box;flex:1;box-shadow:var(--shadow-xs)}.room-option label:hover{border-color:var(--border-strong);background:var(--gray-50);transform:translateY(-1px);box-shadow:var(--shadow-sm)}.room-option label:active{transform:translateY(0) scale(.99);box-shadow:var(--shadow-xs)}.room-option input[type=radio]:checked+label{border-color:var(--brand-600);background:var(--brand-50);box-shadow:0 0 0 3px #6366f11f,var(--shadow-sm)}.room-option input[type=radio]:focus-visible+label{box-shadow:var(--shadow-focus)}.room-option input[type=radio]:checked+label:after{content:"";position:absolute;top:12px;right:12px;width:18px;height:18px;border-radius:50%;background:var(--brand-600) url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='none' stroke='var(--color-bg-primary)' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'><polyline points='3.5,8.5 6.5,11.5 12.5,5'/></svg>") center/12px no-repeat}.room-option .option-icon{display:flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:var(--radius-sm);background:var(--gray-100);color:var(--text-secondary);transition:background-color var(--duration-base) var(--ease-out),color var(--duration-base) var(--ease-out)}.room-option input[type=radio]:checked+label .option-icon{background:var(--brand-600);color:var(--text-on-brand)}.room-option .option-text{flex:1;display:flex;flex-direction:column;justify-content:center;height:100%}.room-option .option-text h4{margin:0 0 4px;color:var(--color-text-primary);font-size:1rem;font-weight:600}.room-option .option-text p{margin:0;color:var(--color-text-tertiary);font-size:.875rem;line-height:1.4}@media (min-width: 700px){.room-options{flex-direction:row;gap:16px}.room-option{flex:1;min-width:0}}@media (max-width: 699px){.room-options{flex-direction:column;gap:12px}.room-option{min-width:auto;width:100%}}.room-items-selection{margin:20px 0;padding:0 20px}.room-items-selection h3{margin-bottom:8px;color:var(--color-text-primary);font-size:1.2rem;font-weight:600;text-align:center}.selection-hint{text-align:center;color:var(--color-text-tertiary);font-size:.875rem;margin-bottom:1.5rem}.items-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(120px,1fr));gap:12px;max-width:900px;margin:0 auto}.item-option{position:relative}.item-option input[type=checkbox]{position:absolute;opacity:0;pointer-events:none}.item-label{position:relative;display:flex;flex-direction:column;align-items:center;gap:var(--space-2);padding:var(--space-4) var(--space-3);border:1.5px solid var(--border-subtle);border-radius:var(--radius-md);cursor:pointer;transition:border-color var(--duration-base) var(--ease-out),background-color var(--duration-base) var(--ease-out),box-shadow var(--duration-base) var(--ease-out),transform var(--duration-fast) var(--ease-out);background:var(--surface);height:100px;box-sizing:border-box;justify-content:center;box-shadow:var(--shadow-xs)}.item-label:hover{border-color:var(--border-strong);background:var(--gray-50);transform:translateY(-1px);box-shadow:var(--shadow-sm)}.item-option input[type=checkbox]:checked+.item-label{border-color:var(--brand-600);background:var(--brand-50);box-shadow:0 0 0 3px #6366f11f,var(--shadow-sm)}.item-option input[type=checkbox]:focus-visible+.item-label{box-shadow:var(--shadow-focus)}.item-option input[type=checkbox]:checked+.item-label:after{content:"";position:absolute;top:8px;right:8px;width:16px;height:16px;border-radius:50%;background:var(--brand-600) url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='none' stroke='var(--color-bg-primary)' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'><polyline points='3.5,8.5 6.5,11.5 12.5,5'/></svg>") center/10px no-repeat}.item-icon{display:flex;align-items:center;justify-content:center;width:32px;height:32px;border-radius:var(--radius-sm);background:var(--gray-100);color:var(--text-secondary);transition:background-color var(--duration-base) var(--ease-out),color var(--duration-base) var(--ease-out)}.item-option input[type=checkbox]:checked+.item-label .item-icon{background:var(--brand-600);color:var(--text-on-brand)}.item-name{font-size:var(--text-sm);font-weight:var(--weight-medium);color:var(--text-primary);text-align:center;line-height:var(--leading-tight)}.item-option input[type=checkbox]:checked+.item-label .item-name{color:var(--brand-700);font-weight:var(--weight-semibold)}@media (max-width: 480px){.items-grid{grid-template-columns:repeat(auto-fit,minmax(100px,1fr));gap:8px}.item-label{padding:12px 8px;height:80px}.item-icon{width:28px;height:28px}.item-name{font-size:.875rem}}.design-style-selection{margin:20px 0;padding:0 20px}.design-style-selection h3{margin-bottom:8px;color:var(--color-text-primary);font-size:1.2rem;font-weight:600;text-align:center}.style-options-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(120px,1fr));gap:12px;max-width:900px;margin:0 auto}@media (max-width: 768px){.style-options-grid{margin-bottom:var(--space-6)}}.style-option{position:relative}.style-option input[type=radio]{position:absolute;opacity:0;pointer-events:none}.style-label{position:relative;display:flex;flex-direction:column;align-items:center;gap:var(--space-2);padding:var(--space-4) var(--space-3);border:1.5px solid var(--border-subtle);border-radius:var(--radius-md);cursor:pointer;transition:border-color var(--duration-base) var(--ease-out),background-color var(--duration-base) var(--ease-out),box-shadow var(--duration-base) var(--ease-out),transform var(--duration-fast) var(--ease-out);background:var(--surface);height:100px;box-sizing:border-box;justify-content:center;box-shadow:var(--shadow-xs)}.style-label:hover{border-color:var(--border-strong);background:var(--gray-50);transform:translateY(-1px);box-shadow:var(--shadow-sm)}.style-label:active{transform:translateY(0) scale(.99);box-shadow:var(--shadow-xs)}.style-option input[type=radio]:checked+.style-label{border-color:var(--brand-600);background:var(--brand-50);box-shadow:0 0 0 3px #6366f11f,var(--shadow-sm)}.style-option input[type=radio]:focus-visible+.style-label{box-shadow:var(--shadow-focus)}.style-option input[type=radio]:checked+.style-label:after{content:"";position:absolute;top:8px;right:8px;width:16px;height:16px;border-radius:50%;background:var(--brand-600) url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='none' stroke='var(--color-bg-primary)' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'><polyline points='3.5,8.5 6.5,11.5 12.5,5'/></svg>") center/10px no-repeat}.style-thumbnail{display:flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:var(--radius-sm);background:var(--gray-100);color:var(--text-secondary);flex-shrink:0;transition:background-color var(--duration-base) var(--ease-out),color var(--duration-base) var(--ease-out)}.style-option input[type=radio]:checked+.style-label .style-thumbnail{background:var(--brand-600);color:var(--text-on-brand)}.style-name{font-size:var(--text-sm);font-weight:var(--weight-medium);color:var(--text-primary);text-align:center;line-height:var(--leading-tight)}.style-option input[type=radio]:checked+.style-label .style-name{color:var(--brand-700);font-weight:var(--weight-semibold)}@media (max-width: 480px){.style-options-grid{grid-template-columns:repeat(auto-fit,minmax(100px,1fr));gap:8px}.style-label{padding:12px 8px;height:80px}.style-thumbnail{width:30px;height:30px}.style-name{font-size:.875rem}}.furnished-options{margin:20px 0;padding:0 20px}.furnished-options h3{margin-bottom:16px;color:var(--color-text-primary);font-size:1.2rem;font-weight:600;text-align:center}.furnished-options-grid{display:flex;flex-direction:column;gap:16px;max-width:900px;margin:0 auto}.furnished-option{position:relative}.furnished-option input[type=radio]{position:absolute;opacity:0;pointer-events:none}.furnished-option label{display:flex;align-items:center;gap:12px;padding:20px;border:2px solid var(--color-border-subtle);border-radius:12px;cursor:pointer;transition:all .2s var(--ease-out);background:var(--color-bg-primary);width:100%;box-sizing:border-box;flex:1}.furnished-option label:hover{border-color:var(--color-border-primary);background:var(--color-bg-secondary);transform:translateY(-1px);box-shadow:var(--shadow-sm)}.furnished-option label:active{transform:translateY(0) scale(.99);box-shadow:var(--shadow-xs)}.furnished-option input[type=radio]:checked+label{border-color:var(--primary-color);background:#6366f10d}.furnished-option .option-icon{display:flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:8px;background:var(--color-bg-tertiary);color:var(--color-text-tertiary);transition:all .2s var(--ease-out)}.furnished-option input[type=radio]:checked+label .option-icon{background:var(--primary-color);color:var(--color-text-inverse)}.furnished-option .option-text{flex:1;display:flex;flex-direction:column;justify-content:flex-start}.furnished-option .option-text h4{margin:0 0 8px;color:var(--color-text-primary);font-size:1rem;font-weight:600;line-height:1.3}.furnished-option .option-text p{margin:0;color:var(--color-text-tertiary);font-size:.875rem;line-height:1.5;flex:1}@media (min-width: 700px){.furnished-options-grid{flex-direction:column;gap:16px}.furnished-option{width:100%}}@media (max-width: 699px){.furnished-options-grid{flex-direction:column;gap:12px}.furnished-option{width:100%}}.image-preview-wrapper{position:relative;display:block;width:100%;max-width:600px;min-width:0;margin:0 auto;border-radius:var(--border-radius);overflow:hidden;box-shadow:0 4px 6px #201e1a1a;transition:transform .2s var(--ease-out)}.image-preview-wrapper:hover{transform:scale(1.02)}.image-preview-wrapper img{display:block;width:100%;height:auto;border-radius:var(--border-radius)}.image-overlay{position:absolute;top:0;left:0;right:0;bottom:0;background:#201e1a80;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;opacity:0;transition:opacity .3s var(--ease-out);border-radius:var(--border-radius);-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.image-preview-wrapper:hover .image-overlay{opacity:1}.change-image-overlay-btn{background:#fdfcfaf2;color:var(--color-text-primary);border:none;border-radius:var(--button-border-radius);padding:16px 24px;font-size:1rem;font-weight:600;cursor:pointer;display:flex;align-items:center;gap:8px;transition:all .2s var(--ease-out);box-shadow:0 4px 12px #201e1a4d;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border:2px solid rgba(253,252,250,.5)}.change-image-overlay-btn:hover{background:var(--color-bg-primary);transform:translateY(-2px);box-shadow:0 6px 20px #201e1a66}.change-image-overlay-btn:active{transform:translateY(0);box-shadow:0 2px 8px #201e1a4d}.change-image-overlay-btn i{font-size:1.1rem}.feng-shui-overlay-btn{color:var(--color-status-success);border-color:#bbf7d0cc}.feng-shui-overlay-btn:hover{background:var(--color-status-success-bg);border-color:var(--success-500)}.room-feng-shui-modal{width:min(560px,100%);max-width:560px;max-height:var(--modal-max-height);padding:0;overflow:hidden;display:flex;flex-direction:column;flex-shrink:0}.room-feng-shui-modal .feng-shui-header{flex-shrink:0}.room-feng-shui-modal .feng-shui-body{flex:1 1 auto;min-height:0;overflow-y:auto;-webkit-overflow-scrolling:touch;overscroll-behavior:contain;touch-action:pan-y}.room-feng-shui-footer{flex-shrink:0;padding:16px;border-top:1px solid var(--color-border-subtle);background:linear-gradient(180deg,var(--color-bg-secondary) 0%,var(--color-bg-primary) 100%);display:flex;flex-direction:column;gap:12px}.room-feng-shui-footer .primary-btn,.room-feng-shui-footer .secondary-btn{width:100%;justify-content:center}.room-feng-shui-footer .model-pref-row{margin-top:0;margin-bottom:4px}.room-feng-shui-photo{width:100%;max-height:180px;object-fit:cover;border-radius:8px;border:1px solid var(--color-border-subtle);margin-bottom:16px}.room-feng-shui-strengths{margin-bottom:16px}.room-feng-shui-strengths h4,.room-feng-shui-elements h4{font-size:14px;font-weight:600;text-transform:uppercase;letter-spacing:.05em;color:var(--color-text-tertiary);margin:0 0 8px}.room-feng-shui-strengths ul{margin:0;padding-left:1.1rem;color:var(--color-text-secondary);font-size:14px;line-height:1.5}.room-feng-shui-elements{margin-bottom:16px}.fs-elements-summary{margin:0 0 14px;font-size:14px;line-height:1.5;color:var(--color-text-secondary)}.fs-elements-list{display:flex;flex-direction:column;gap:12px}.fs-element-row{background:var(--color-bg-secondary);border:1px solid var(--color-border-subtle);border-radius:10px;padding:12px}.fs-element-header{display:flex;align-items:center;gap:8px;margin-bottom:8px}.fs-element-icon{display:inline-flex;align-items:center;justify-content:center;width:28px;height:28px;border-radius:8px;flex-shrink:0}.fs-element-icon svg{width:16px;height:16px}.fs-element-name{font-size:14px;font-weight:600;color:var(--color-text-primary)}.fs-element-level{font-size:14px;font-weight:600;padding:2px 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var(--border-subtle);border-radius:var(--radius-md);font-size:.875rem;line-height:1.55;color:var(--text-secondary);white-space:pre-wrap;word-break:break-word;max-height:180px;overflow-y:auto}.my-designs-preview-img{width:100%;max-height:50vh;object-fit:contain;border-radius:var(--radius-md);background:var(--gray-100)}.my-designs-preview-actions{display:flex;gap:10px;margin-top:16px;flex-wrap:wrap}.my-designs-delete-btn:hover{border-color:var(--error-500);color:var(--error-600)}.tool-list{display:flex;flex-direction:column;gap:4px}.floor-tool{display:flex;align-items:center;gap:10px;padding:10px 12px;background:none;border:none;border-radius:var(--button-border-radius);cursor:pointer;transition:all .15s var(--ease-out);color:var(--color-text-secondary);font-size:.9rem;text-align:left}.floor-tool:hover{background:var(--color-bg-tertiary);color:var(--color-text-secondary)}.floor-tool.active{background:#6366f11a;color:var(--primary-color)}.floor-tool svg{width:18px;height:18px;flex-shrink:0}.option-group{margin-bottom:12px}.option-group:last-child{margin-bottom:0}.option-group label:not(.checkbox-label){display:block;font-size:.875rem;color:var(--color-text-tertiary);margin-bottom:6px}.checkbox-label{display:flex;align-items:center;gap:8px;cursor:pointer;font-size:.875rem;color:var(--color-text-secondary)}.checkbox-label input[type=checkbox]{width:16px;height:16px;accent-color:var(--primary-color)}.option-group input[type=range]{width:100%;accent-color:var(--primary-color)}#wall-thickness-value,#snap-threshold-value{font-size:.875rem;color:var(--color-text-tertiary)}.snap-threshold-row label{display:block;font-size:.875rem;color:var(--color-text-tertiary);margin-bottom:6px}.layout-canvas-container{position:relative;z-index:1;flex:1;display:flex;flex-direction:column;background:var(--color-border-subtle);overflow:hidden;min-width:0}.canvas-status{position:relative;z-index:2;overflow:visible;display:grid;grid-template-columns:1fr 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span{font-size:.8125rem;color:var(--color-text-tertiary);line-height:1.4}.dropped-image-choice-option--recommended{border-color:var(--primary-color);background:var(--color-accent-primary-subtle)}.dropped-image-choice-option--recommended:hover,.dropped-image-choice-option--recommended:focus-visible{background:var(--color-bg-primary)}.dropped-image-choice-option-text strong .dropped-image-choice-badge{color:var(--color-text-inverse)}.dropped-image-choice-badge{display:inline-block;margin-left:8px;padding:2px 8px;background:var(--primary-color);color:var(--color-text-inverse);font-size:.6875rem;font-weight:600;letter-spacing:.3px;text-transform:uppercase;border-radius:999px;vertical-align:middle}.layout-canvas-wrapper{flex:1;margin:37px 12px 12px 37px;background:var(--color-bg-primary);border-radius:8px;box-shadow:0 2px 12px #201e1a14;overflow:hidden;cursor:crosshair;position:relative}#layout-svg{width:100%;height:100%;display:block}.canvas-zoom-controls{display:flex;align-items:center;gap:6px}.canvas-zoom-btn{display:inline-flex;align-items:center;justify-content:center;min-width:28px;height:28px;padding:0 8px;border:1px solid var(--border-subtle, var(--color-border-subtle));border-radius:6px;background:var(--color-bg-primary);color:var(--color-text-secondary);font-size:14px;font-weight:600;line-height:1;cursor:pointer}.canvas-zoom-btn:hover{background:var(--color-bg-tertiary);border-color:var(--color-border-primary)}.canvas-zoom-fit{font-size:14px;font-weight:500;padding:0 10px}#zoom-level{display:block;min-width:3rem;text-align:center;font-variant-numeric:tabular-nums}.room-area-label{font-family:var(--font-sans, Inter, sans-serif);font-size:14px;font-weight:500;fill:var(--color-text-tertiary);pointer-events:none;-webkit-user-select:none;user-select:none}.room-name-label{font-family:var(--font-sans, 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svg{width:14px;height:14px;flex-shrink:0}.category-btn:hover{border-color:var(--primary-color);color:var(--primary-color)}.category-btn.active{background:var(--primary-color);border-color:var(--primary-color);color:var(--color-text-inverse)}.furniture-grid{flex:1;overflow-y:auto;padding:12px;display:grid;grid-template-columns:repeat(2,1fr);gap:10px;align-content:start}.furniture-item{display:flex;flex-direction:column;align-items:center;padding:12px 8px;border:1px solid var(--color-border-subtle);border-radius:8px;cursor:grab;transition:all .15s var(--ease-out);background:var(--color-bg-secondary)}.furniture-item:hover{border-color:var(--primary-color);background:var(--color-bg-primary);box-shadow:0 2px 8px #6366f126}.furniture-item:active{cursor:grabbing}.furniture-item svg,.furniture-item .furniture-preview{width:44px;height:44px;margin-bottom:6px;color:var(--color-text-tertiary)}.furniture-item 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var(--color-accent-primary))}.selection-actions{position:absolute;transform:translate(-50%,-100%);display:flex;gap:4px;z-index:60;pointer-events:all}.selection-action-btn{display:flex;align-items:center;gap:5px;padding:5px 10px;background:var(--color-bg-primary);border:1px solid var(--color-border-primary);border-radius:var(--button-border-radius);font-size:14px;font-weight:500;color:var(--color-text-secondary);cursor:pointer;box-shadow:0 1px 3px #201e1a1a;white-space:nowrap;transition:all .15s}.selection-action-btn:hover{background:var(--primary-color, var(--color-accent-primary));color:var(--color-text-inverse);border-color:var(--primary-color, var(--color-accent-primary))}.selection-action-btn svg{flex-shrink:0}.feng-shui-btn{color:var(--color-status-success)!important}.feng-shui-btn:hover{background:#16a34a1a!important}.feng-shui-btn-tooltip-wrap{display:inline-flex;cursor:not-allowed}.feng-shui-btn-tooltip-wrap 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4px}.suggestion-desc{font-size:14px;color:var(--color-text-tertiary);line-height:1.4;margin:0}.feng-shui-no-suggestions{text-align:center;color:var(--color-text-tertiary);font-size:14px;padding:16px}.feng-shui-toast{position:absolute;bottom:60px;left:50%;transform:translate(-50%) translateY(20px);background:var(--color-text-primary);color:var(--color-text-inverse);padding:10px 16px;border-radius:8px;font-size:14px;display:flex;align-items:center;gap:8px;z-index:300;opacity:0;transition:all .3s var(--ease-out);max-width:400px;box-shadow:0 4px 12px #201e1a33}.feng-shui-toast.show{opacity:1;transform:translate(-50%) translateY(0)}.layout-save-toast{position:absolute;bottom:24px;left:50%;transform:translate(-50%) translateY(12px);background:var(--color-text-primary);color:var(--color-text-inverse);padding:10px 16px;border-radius:8px;font-size:14px;z-index:300;opacity:0;transition:all .3s var(--ease-out);max-width:360px;box-shadow:0 4px 12px #201e1a33}.layout-save-toast.show{opacity:1;transform:translate(-50%) translateY(0)}.layout-save-toast.error{background:var(--error-color)}.feng-shui-panel-wide{width:400px}.feng-shui-image-comparison{margin-bottom:16px}.comparison-tabs{display:flex;gap:4px;margin-bottom:8px;background:var(--color-bg-tertiary);border-radius:8px;padding:3px}.comparison-tab{flex:1;padding:6px 8px;border:none;background:transparent;border-radius:var(--button-border-radius);font-size:14px;font-weight:500;color:var(--color-text-tertiary);cursor:pointer;transition:all .2s var(--ease-out)}.comparison-tab.active{background:var(--color-bg-primary);color:var(--color-text-primary);box-shadow:0 1px 3px #201e1a1a}.comparison-tab:hover:not(.active){color:var(--color-text-secondary)}.comparison-view{display:none;border-radius:8px;overflow:hidden;border:1px solid var(--color-border-subtle)}.comparison-view.active{display:block}.comparison-view img{width:100%;height:auto;display:block}.side-by-side-container{display:flex;gap:4px}.side-by-side-item{flex:1;position:relative}.side-by-side-item img{width:100%;height:auto;display:block}.side-by-side-label{position:absolute;top:6px;left:6px;background:#201e1a99;color:var(--color-text-inverse);font-size:14px;font-weight:600;padding:2px 8px;border-radius:4px;z-index:1}.feng-shui-image-note{text-align:center;color:var(--color-text-tertiary);font-size:14px;padding:12px;background:var(--color-bg-secondary);border-radius:8px;margin-bottom:12px}.feng-shui-image-suggestions .suggestions-heading{font-size:14px;font-weight:600;color:var(--color-text-secondary);margin:0 0 8px;padding-bottom:8px;border-bottom:1px solid var(--color-border-subtle)}.suggestion-position{font-size:14px;color:var(--color-text-tertiary);margin:4px 0 0;line-height:1.4}.suggestion-position 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var(--color-border-subtle)}.control-section h5{margin:0 0 8px;font-size:14px;font-weight:600;color:var(--color-text-tertiary);text-transform:uppercase;letter-spacing:.5px}.grid-scale-info{display:flex;align-items:center;gap:8px;padding:10px 12px;background:var(--color-status-info-bg);border:1px solid var(--indigo-200);border-radius:6px;font-size:14px;color:var(--color-status-info);margin-bottom:8px}.grid-scale-info svg{flex-shrink:0}.resize-info{margin-top:4px;padding:8px;background:#6366f11a;border-radius:4px;border-left:3px solid var(--indigo-500)}.resize-info small{display:flex;align-items:center;gap:6px;color:var(--color-text-tertiary);font-size:14px}.resize-info svg{color:var(--indigo-500)}.ruler{position:absolute;pointer-events:none;z-index:50}.ruler-top{border-top-right-radius:8px}.ruler-left{border-bottom-left-radius:8px}.ruler-corner{position:absolute;width:25px;height:25px;background:var(--color-bg-secondary);border-right:1px solid var(--color-border-primary);border-bottom:1px solid var(--color-border-primary);border-top-left-radius:8px;display:flex;align-items:center;justify-content:center;font-size:14px;color:var(--color-text-tertiary);font-weight:600;z-index:51;pointer-events:none}.ref-image-handle{fill:var(--color-text-inverse);stroke:var(--indigo-500);stroke-width:2.5;cursor:nwse-resize;pointer-events:all;touch-action:none;filter:drop-shadow(0 1px 2px rgba(32,30,26,.15))}.ref-image-handle:hover{fill:var(--color-accent-primary-subtle);stroke:var(--color-accent-primary);stroke-width:3;filter:drop-shadow(0 2px 4px 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0 4px var(--primary-color))}.furniture-body{stroke:var(--color-text-secondary);stroke-width:1}.drawing-preview{stroke:var(--primary-color);stroke-width:2;stroke-dasharray:6,3;fill:none;pointer-events:none}.marquee-selection{stroke:var(--primary-color);stroke-width:1;stroke-dasharray:4,2;fill:#6366f11a;pointer-events:none}.snap-indicator{fill:var(--success-500);stroke:var(--color-text-inverse);stroke-width:2}@media (max-width: 1024px){.furniture-panel{width:200px}.furniture-grid{grid-template-columns:1fr}}@media (max-width: 768px){.layout-editor-btn{display:none}.layout-editor-header{flex-wrap:wrap;gap:10px;padding:10px 12px}.layout-editor-controls{order:3;width:100%;justify-content:center}.layout-editor-title h2{font-size:1rem}.export-dropdown .primary-btn span{display:none}.layout-editor-content{flex-direction:column}.layout-toolbar{width:100%;flex-direction:row;overflow-x:auto;border-right:none;border-bottom:1px solid var(--color-border-subtle)}.layout-toolbar.is-collapsed{width:100%}.layout-sidebar-toggle{display:none}.layout-toolbar .layout-sidebar-body{flex-direction:row;overflow-x:auto;overflow-y:hidden}.tool-section{flex-shrink:0;border-bottom:none;border-right:1px solid var(--color-bg-tertiary)}.tool-list{flex-direction:row}.floor-tool span,.furniture-panel{display:none}}.layout-canvas-wrapper.drag-over{background:#4f46e51a;border:2px dashed var(--primary-color)}.layout-canvas-wrapper.drag-over:after{content:"Drop image here";position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);font-size:1.5rem;color:var(--primary-color);font-weight:600;pointer-events:none;z-index:100}.image-convert-loading{position:fixed;top:0;left:0;right:0;bottom:0;background:#201e1ab3;display:flex;align-items:center;justify-content:center;z-index:10001}.loading-content{background:var(--color-bg-primary);border-radius:16px;padding:40px;text-align:center}.loading-content .spinner{width:50px;height:50px;border:4px solid var(--color-border-subtle);border-top-color:var(--primary-color);border-radius:50%;animation:spin 1s linear infinite;margin:0 auto 20px}@keyframes spin{to{transform:rotate(360deg)}}.loading-content p{margin:0 0 8px;font-size:1.1rem;font-weight:600;color:var(--color-text-primary)}.loading-content small{color:var(--color-text-tertiary)}.ref-image-controls{padding:16px;border-top:1px solid var(--color-border-subtle)}.ref-controls-content h4{margin:0 0 12px;font-size:.875rem;font-weight:600;color:var(--color-text-secondary)}.ref-image-tips{margin:-4px 0 14px;padding:10px 12px;background:var(--color-status-info-bg);border:1px solid var(--color-status-info-bg);border-radius:8px;color:var(--color-text-primary)}.ref-image-tips-header{display:flex;align-items:center;gap:8px}.ref-image-tips-header svg{flex-shrink:0;color:var(--color-status-info)}.ref-image-tips-title{flex:1;font-size:.8125rem;font-weight:600}.ref-image-tips-toggle{display:flex;align-items:center;justify-content:center;width:22px;height:22px;padding:0;border:none;background:transparent;color:inherit;cursor:pointer;border-radius:4px;transition:background .15s var(--ease-out),transform .2s var(--ease-out)}.ref-image-tips-toggle:hover{background:#2563eb1a}.ref-image-tips.is-collapsed .ref-image-tips-toggle{transform:rotate(-90deg)}.ref-image-tips-list{margin:8px 0 0;padding-left:20px;font-size:.75rem;line-height:1.45;color:var(--color-text-secondary)}.ref-image-tips-list li{margin-bottom:6px}.ref-image-tips-list li:last-child{margin-bottom:0}.ref-image-tips-list strong{color:var(--color-text-primary)}.ref-image-tips-list em{font-style:normal;font-weight:600;color:var(--color-status-info)}.ref-image-tips.is-collapsed .ref-image-tips-list{display:none}.ref-image-controls .control-row{display:flex;align-items:center;gap:8px;margin-bottom:12px}.ref-image-controls .control-row label{font-size:.875rem;color:var(--color-text-tertiary);min-width:50px}.ref-image-controls .control-row input[type=range]{flex:1;min-width:0;height:4px}.ref-image-controls .control-row span{font-size:.875rem;color:var(--color-text-secondary);min-width:40px;text-align:right}.ref-image-controls .delete-btn{display:flex;align-items:center;gap:6px;padding:8px 12px;border:1px solid var(--error-500);border-radius:var(--button-border-radius);background:var(--color-status-error-bg);color:var(--error-500);cursor:pointer;font-size:.875rem;font-weight:500;transition:all .2s var(--ease-out)}.ref-image-controls .control-row .secondary-btn,.ref-image-controls .control-row .delete-btn{width:100%;min-width:0;justify-content:center;white-space:nowrap;overflow:hidden}.ref-image-controls .control-row .secondary-btn .ref-trace-btn-label,.ref-image-controls .control-row .delete-btn>span{min-width:0;overflow:hidden;text-overflow:ellipsis}.ref-image-controls .delete-btn:hover{background:var(--error-500);color:var(--color-text-inverse)}.imported-svg-element,.imported-svg-group{cursor:pointer;transition:filter .15s var(--ease-out)}.imported-svg-element:hover,.imported-svg-group:hover{filter:drop-shadow(0 0 3px var(--primary-color))}.imported-svg-element.selected,.imported-svg-group.selected{filter:drop-shadow(0 0 4px var(--primary-color)) drop-shadow(0 0 8px rgba(79,70,229,.5));stroke:var(--primary-color)!important;stroke-width:3!important}.imported-svg-element[fill="#fff"],.imported-svg-element[fill="#ffffff"],.imported-svg-element[fill="#FFF"],.imported-svg-element[fill="#FFFFFF"],.imported-svg-element[fill="var(--color-text-inverse)"],.imported-svg-group [fill="#fff"],.imported-svg-group [fill="#ffffff"],.imported-svg-group [fill="#FFF"],.imported-svg-group [fill="#FFFFFF"],.imported-svg-group [fill="var(--color-text-inverse)"]{fill:transparent!important}#walls-layer .imported-svg-element,#walls-layer .imported-svg-group{background:transparent}.auth-buttons{display:flex;align-items:center;gap:.5rem;flex-shrink:0}.auth-buttons .secondary-btn,.auth-buttons .primary-btn{display:inline-flex;box-sizing:border-box;min-height:38px;padding:10px 12px;font-size:14px;line-height:1.2;width:auto}.auth-buttons .primary-btn{margin-top:0}.user-menu{position:relative;z-index:3}.user-menu-btn{background:transparent;border:1px solid var(--border-color);color:var(--text-color);padding:10px 12px;border-radius:var(--button-border-radius);cursor:pointer;font-size:14px;display:inline-flex;align-items:center;justify-content:center;gap:8px;transition:all .2s var(--ease-out);min-height:38px;width:auto;box-sizing:border-box;white-space:nowrap}.user-menu-btn:hover{border-color:var(--primary-color);background:var(--secondary-color)}.user-menu-btn svg{width:18px;height:18px}#user-email-display{max-width:150px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.user-dropdown{position:absolute;top:calc(100% + 8px);right:0;background:var(--background-color);border:1px solid var(--border-color);border-radius:var(--border-radius);min-width:180px;box-shadow:var(--box-shadow);z-index:1000}.dropdown-item{display:flex;align-items:center;gap:10px;width:100%;padding:12px 16px;background:transparent;border:none;color:var(--text-color);font-size:14px;cursor:pointer;transition:background .2s var(--ease-out);text-align:left}.dropdown-item:hover{background:var(--secondary-color)}.dropdown-item svg{width:16px;height:16px;color:var(--text-light)}.auth-modal{max-width:400px}.auth-modal .form-group{display:flex;flex-direction:column;gap:.5rem}.auth-modal .form-group label{color:var(--text-color);font-weight:500;font-size:14px}.auth-modal .form-group input{background:var(--background-color);border:1px solid var(--border-color);border-radius:var(--border-radius);padding:12px;color:var(--text-color);font-size:15px}.auth-modal .form-group input:focus{outline:none;border-color:var(--primary-color)}.auth-form{display:flex;flex-direction:column;gap:1rem;margin-bottom:1.5rem}.auth-submit-btn{width:100%;margin-top:.5rem}.auth-submit-btn--loading{display:inline-flex;align-items:center;justify-content:center;gap:8px;cursor:wait}.auth-submit-spinner{width:16px;height:16px;border:2px solid rgba(253,252,250,.35);border-top-color:var(--color-text-inverse);border-radius:50%;animation:my-layouts-spin .8s linear infinite;flex-shrink:0}.login-resend-block{margin-top:.75rem;display:flex;flex-direction:column;gap:.5rem}.login-resend-block .secondary-btn{width:100%}.auth-error{background:#cf44361a;border:1px solid var(--error-color);color:var(--error-color);padding:10px 12px;border-radius:var(--border-radius);font-size:14px;margin-bottom:1.5rem}.auth-divider{display:flex;align-items:center;gap:1rem;margin:1.5rem 0}.auth-divider:before,.auth-divider:after{content:"";flex:1;height:1px;background:var(--border-color)}.auth-divider span{color:var(--text-light);font-size:14px}.auth-switch{display:flex;align-items:center;justify-content:center;gap:8px}.auth-switch p{margin:0;font-size:14px}.text-btn{background:none;border:none;color:var(--primary-color);font-size:14px;font-weight:500;cursor:pointer;padding:0}.text-btn:hover{text-decoration:underline}.auth-success{text-align:center;padding:1rem 0}.auth-success .success-icon{width:70px;height:70px;background:linear-gradient(135deg,var(--success-color),var(--color-status-success));border-radius:50%;display:flex;align-items:center;justify-content:center;margin:0 auto 1.5rem}.auth-success .success-icon svg{width:35px;height:35px;color:var(--color-text-inverse)}.auth-success h3{font-size:22px;margin-bottom:1rem;color:var(--text-color)}.auth-success p{font-size:15px;color:var(--text-light);margin-bottom:.75rem}.auth-success p strong{color:var(--text-color)}.auth-success .success-note{font-size:14px;color:var(--text-light);margin-bottom:1.5rem;padding:1rem;background:var(--secondary-color);border-radius:var(--border-radius);border:1px solid var(--border-color)}.auth-success .primary-btn{width:100%;margin-top:0}.auth-email-exists{text-align:center;padding:1rem 0}.auth-email-exists-icon{width:56px;height:56px;background:#6366f126;border-radius:50%;display:flex;align-items:center;justify-content:center;margin:0 auto 1rem}.auth-email-exists-icon svg{width:28px;height:28px;color:var(--primary-color)}.auth-email-exists h3{font-size:18px;margin-bottom:.5rem;color:var(--text-color)}.auth-email-exists p{font-size:14px;color:var(--text-light);margin-bottom:1rem}.auth-email-exists-message{font-size:14px;padding:8px 12px;border-radius:var(--border-radius);margin-bottom:1rem}.auth-email-exists-message.success{background:#10b9811a;color:var(--success-color)}.auth-email-exists-message.error{background:#cf44361a;color:var(--error-color)}.auth-email-exists-actions{display:flex;flex-direction:column;gap:.5rem}.auth-email-exists-actions .primary-btn,.auth-email-exists-actions .secondary-btn{width:100%}.auth-email-exists-actions .text-btn-small{background:none;border:none;color:var(--text-light);font-size:14px;padding:4px 0;cursor:pointer;width:100%}.auth-email-exists-actions .text-btn-small:hover{color:var(--primary-color);text-decoration:underline}.tokens-display{display:flex;align-items:center}.tokens-btn{background:transparent;border:1px solid var(--border-color);color:var(--text-color);padding:10px 12px;border-radius:var(--button-border-radius);cursor:pointer;font-size:14px;display:inline-flex;align-items:center;gap:6px;transition:all .2s var(--ease-out);min-height:38px;white-space:nowrap}.tokens-btn:hover{border-color:var(--primary-color);background:var(--secondary-color)}.tokens-btn svg{width:16px;height:16px;color:var(--primary-color)}.tokens-label{font-size:14px;color:var(--text-light)}.tokens-display.tokens-low .tokens-btn{border-color:var(--error-500);color:var(--error-500)}.tokens-display.tokens-low .tokens-btn svg{color:var(--error-500)}.subscription-usage-display{display:inline-flex;align-items:center;gap:var(--space-2);padding:var(--space-2) var(--space-3);min-height:38px;background:var(--brand-50);border:1px solid var(--brand-200);border-radius:var(--radius-sm);color:var(--brand-700);font-size:var(--text-sm);font-weight:var(--weight-medium);white-space:nowrap;cursor:pointer;transition:border-color .15s var(--ease-out),background .15s var(--ease-out)}.subscription-usage-display:hover{border-color:var(--brand-400, var(--brand-300, var(--indigo-300)))}.subscription-usage-extra{margin-left:4px;padding:1px 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