:root{--color-primary: #4338ca;--color-primary-dark: #2a14b4;--color-primary-container: #e3dfff;--color-on-primary: #ffffff;--color-secondary: #6063ee;--color-tertiary: #a60031;--color-surface: #f8f9ff;--color-surface-low: #eff4ff;--color-surface-container: #e5eeff;--color-surface-high: #dce9ff;--color-on-surface: #0b1c30;--color-on-surface-variant: #464554;--color-outline: #777586;--color-outline-variant: #c7c4d7;--color-error: #ba1a1a;--color-error-container: #ffdad6;--font-family: "Manrope", "Noto Sans TC", "PingFang TC", sans-serif;--radius-sm: 4px;--radius-md: 8px;--radius-lg: 16px;--radius-xl: 24px;--radius-full: 9999px;--space-xs: 4px;--space-sm: 8px;--space-md: 16px;--space-lg: 24px;--space-xl: 32px;--shadow-card: 0 1px 3px rgba(67,56,202,.08), 0 1px 2px rgba(67,56,202,.04);--shadow-float: 0 8px 24px rgba(67,56,202,.12), 0 2px 8px rgba(67,56,202,.06);color-scheme:light;font-family:var(--font-family)}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}body{background:var(--color-surface);color:var(--color-on-surface);min-height:100dvh;-webkit-font-smoothing:antialiased}.app-shell{display:flex;flex-direction:column;min-height:100dvh;max-width:480px;margin:0 auto;padding:env(safe-area-inset-top) 0 0}.app-bar{position:sticky;top:0;z-index:10;background:#f8f9ffd9;backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-bottom:1px solid var(--color-outline-variant)}.app-bar__inner{display:flex;align-items:center;justify-content:space-between;padding:var(--space-sm) var(--space-md);height:56px}.app-bar__title-group{display:flex;align-items:center;gap:var(--space-sm)}.app-bar__icon{display:flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:var(--radius-md);background:var(--color-primary);color:var(--color-on-primary);flex-shrink:0}.app-bar__title{font-size:18px;font-weight:700;letter-spacing:-.01em;color:var(--color-on-surface)}.status-chip{display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:var(--radius-full);font-size:12px;font-weight:600;letter-spacing:.02em;transition:all .25s ease}.status-chip:before{content:"";display:block;width:7px;height:7px;border-radius:50%;flex-shrink:0}.status-chip--idle{background:var(--color-surface-container);color:var(--color-on-surface-variant)}.status-chip--idle:before{background:var(--color-outline)}.status-chip--active{background:#dcfce7;color:#166534}.status-chip--active:before{background:#16a34a;box-shadow:0 0 0 3px #16a34a40;animation:pulse 1.5s ease-in-out infinite}.status-chip--error{background:var(--color-error-container);color:var(--color-error)}.status-chip--error:before{background:var(--color-error)}@keyframes pulse{0%,to{box-shadow:0 0 #16a34a66}50%{box-shadow:0 0 0 4px #16a34a00}}.camera-stage{position:relative;display:grid;place-items:center;background:#0b1c30;overflow:hidden;margin:var(--space-md);margin-bottom:calc(var(--controls-height, 140px) + var(--space-md));border-radius:var(--radius-xl);box-shadow:var(--shadow-float);flex:1}#cameraVideo{width:100%;height:auto;display:block;position:relative;z-index:0}#overlayCanvas{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:100%;height:auto;pointer-events:none;z-index:1}.notice-badge[hidden]{display:none}.notice-badge{position:absolute;top:var(--space-md);right:var(--space-md);display:flex;align-items:center;gap:6px;padding:8px 14px;border-radius:var(--radius-full);background:#a60031eb;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);color:#fff;font-size:13px;font-weight:700;letter-spacing:.01em;z-index:2;animation:slideInRight .25s ease}@keyframes slideInRight{0%{opacity:0;transform:translate(12px)}to{opacity:1;transform:translate(0)}}.diag-panel{position:absolute;top:var(--space-md);left:var(--space-md);margin:0;padding:var(--space-sm) 10px;border-radius:var(--radius-md);background:#0b1c30bf;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);color:#a5f3c0;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:11px;line-height:1.5;white-space:pre;z-index:3;pointer-events:none;max-width:calc(100% - var(--space-xl));overflow:hidden}.controls{position:fixed;bottom:0;left:50%;transform:translate(-50%);width:100%;max-width:480px;display:flex;flex-direction:row;align-items:center;flex-wrap:wrap;gap:var(--space-sm);padding:var(--space-sm) var(--space-md) calc(var(--space-md) + env(safe-area-inset-bottom));background:#f8f9ffeb;backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-top:1px solid var(--color-outline-variant);z-index:10}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-sm);flex:1;min-width:0;padding:14px var(--space-md);border:none;border-radius:var(--radius-full);font-family:var(--font-family);font-size:15px;font-weight:700;letter-spacing:.01em;cursor:pointer;transition:transform .1s ease,box-shadow .2s ease,opacity .2s ease;-webkit-tap-highlight-color:transparent}.btn:active{transform:scale(.97)}.btn--primary{background:var(--color-primary);color:var(--color-on-primary);box-shadow:0 4px 12px #4338ca59}.btn--primary:hover{box-shadow:0 6px 18px #4338ca73}.btn--secondary{background:var(--color-surface-container);color:var(--color-primary);border:1.5px solid var(--color-primary-container)}.btn--secondary:hover{background:var(--color-primary-container)}.zoom-control[hidden]{display:none}.zoom-control{display:flex;align-items:center;gap:var(--space-sm);width:100%;flex-basis:100%;padding:var(--space-sm) var(--space-md);background:var(--color-surface-low);border-radius:var(--radius-full);border:1px solid var(--color-outline-variant);color:var(--color-on-surface-variant)}.zoom-label{font-size:13px;font-weight:600;color:var(--color-on-surface-variant);white-space:nowrap;cursor:default}.zoom-slider{flex:1;appearance:none;-webkit-appearance:none;height:4px;border-radius:var(--radius-full);background:var(--color-primary-container);outline:none;cursor:pointer}.zoom-slider::-webkit-slider-thumb{-webkit-appearance:none;width:20px;height:20px;border-radius:50%;background:var(--color-primary);box-shadow:0 2px 6px #4338ca4d;cursor:pointer;transition:transform .15s ease}.zoom-slider::-webkit-slider-thumb:active{transform:scale(1.2)}.zoom-slider::-moz-range-thumb{width:20px;height:20px;border:none;border-radius:50%;background:var(--color-primary);cursor:pointer}.toast-container{position:fixed;bottom:calc(var(--space-xl) + env(safe-area-inset-bottom));left:50%;transform:translate(-50%);display:flex;flex-direction:column;align-items:center;gap:var(--space-sm);z-index:100;pointer-events:none;width:calc(100% - var(--space-xl) * 2);max-width:400px}.toast{display:flex;align-items:center;gap:var(--space-sm);width:100%;padding:12px var(--space-md);border-radius:var(--radius-lg);font-size:14px;font-weight:600;color:#fff;box-shadow:var(--shadow-float);pointer-events:auto;animation:toastIn .3s cubic-bezier(.34,1.56,.64,1)}.toast--error{background:var(--color-error)}.toast--info{background:var(--color-primary)}.toast.toast--hide{animation:toastOut .25s ease forwards}@keyframes toastIn{0%{opacity:0;transform:translateY(16px) scale(.95)}to{opacity:1;transform:translateY(0) scale(1)}}@keyframes toastOut{0%{opacity:1;transform:translateY(0) scale(1)}to{opacity:0;transform:translateY(8px) scale(.95)}}@media(min-width:600px){.app-shell{max-width:600px}.camera-stage{margin:var(--space-md) var(--space-lg);margin-bottom:calc(var(--controls-height, 100px) + var(--space-md))}.controls{max-width:600px;padding:var(--space-sm) var(--space-lg) calc(var(--space-md) + env(safe-area-inset-bottom))}}