:root{--bg-body:#1a1a2e;--bg-side:#16213e;--bg-card:#16213e;--bg-input:#1a1a2e;--bg-header:#0f3460;--border:#0f3460;--text:#e0e0e0;--text-dim:#aaa;--text-mid:#ccc;--text-inv:#fff;--accent:#e94560;--accent-lit:#c73651;--hover:#1a2744;--tag-bg:#1a1a2e;--green:#4caf50;font-family:"Microsoft YaHei",system-ui,sans-serif}
*{box-sizing:border-box}html,body{height:100%}body{margin:0;min-height:100vh;background:var(--bg-body);color:var(--text);display:flex;overflow:hidden}button,textarea,select{font:inherit}button{cursor:pointer}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
#sidebar{width:280px;min-width:280px;background:var(--bg-side);overflow-y:auto;padding:12px;border-right:1px solid var(--border)}#main{flex:1;min-width:0;display:flex;flex-direction:column;overflow:hidden;background:var(--bg-body)}
.device-panel-title{padding:8px 0 6px;display:flex;justify-content:space-between;align-items:center;color:var(--accent);font-size:17px;font-weight:bold}.device-panel-title>span{display:flex;align-items:center;gap:6px}.device-panel-title img{width:26px;height:26px;border-radius:4px}.device-panel-title button{padding:5px 10px;border:0;border-radius:5px;background:#fff;color:#18223d;font-size:12px;font-weight:bold}.device-panel-title button:hover{color:var(--accent)}.device-group{margin-bottom:8px}.device-group>label{display:block;margin-bottom:2px;color:var(--text-mid);font-size:12px}.device-group select{width:100%;padding:6px;background:var(--bg-input);border:1px solid var(--border);color:var(--text);border-radius:4px;font-size:12px;outline:none}.device-group select:focus{border-color:var(--accent)}.checkbox-list{display:flex;flex-wrap:wrap;gap:4px}.checkbox-list label{display:flex;align-items:center;gap:4px;padding:3px 6px;border-radius:3px;background:var(--tag-bg);color:var(--text-mid);font-size:11px;white-space:nowrap;cursor:pointer}.checkbox-list label:hover{background:var(--border)}.checkbox-list input[type=checkbox]{accent-color:var(--accent);margin:0}.device-section-title{font-size:13px;color:var(--accent);margin:12px 0 6px;font-weight:bold;letter-spacing:.5px}.sensor-cat-title{font-size:11px;color:var(--accent);margin:6px 0 2px;cursor:pointer;user-select:none}.sensor-cat-title span{display:inline-block;background:var(--accent);color:#fff;border-radius:10px;padding:1px 6px;font-size:10px;margin-left:4px}.selector-panel .checkbox-list[hidden]{display:none}
#header{min-height:58px;background:var(--bg-header);padding:10px 24px;display:flex;align-items:center;gap:10px;box-shadow:0 2px 8px rgba(0,0,0,.15)}#header .logo{display:grid;place-items:center;width:28px;height:28px}.logo img{width:26px;height:26px;border-radius:4px}#header h1{font-size:20px;letter-spacing:1px;margin:0;color:var(--text-inv)}.subtitle{color:var(--text-dim);font-size:11px}.spacer{flex:1}.header-button{padding:6px 12px;border:0;border-radius:6px;background:var(--accent);color:#fff;font-size:12px;font-weight:bold}.header-button:hover{background:var(--accent-lit)}
#input-area{padding:14px 24px;background:var(--bg-side);border-bottom:2px solid var(--border)}#input-area textarea{display:block;width:100%;height:85px;background:var(--bg-input);border:1px solid var(--border);color:var(--text);padding:12px 16px;font-size:14px;border-radius:8px;resize:vertical;font-family:inherit;line-height:1.6;outline:none}#input-area textarea:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(233,69,96,.15)}.input-meta{display:flex;justify-content:space-between;color:var(--text-dim);font-size:11px;margin-top:5px}.examples{display:flex;align-items:center;flex-wrap:wrap;gap:7px;margin-top:9px;color:var(--text-dim);font-size:11px}.examples button{padding:4px 9px;border:1px solid #405778;border-radius:20px;background:var(--bg-input);color:var(--text-mid);font-size:11px}.examples button:hover{border-color:var(--accent);color:#fff}.form-error{margin:8px 0 0;color:#ff8799;font-size:12px}.btn-row{display:flex;gap:10px;margin-top:10px;flex-wrap:wrap}.btn{padding:10px 20px;border:0;border-radius:8px;color:#fff;font-size:14px;font-weight:bold;letter-spacing:.5px;transition:all .2s}.btn-primary{background:var(--accent);box-shadow:0 2px 6px rgba(0,0,0,.2)}.btn-primary:hover,.btn-ai:hover{background:var(--accent-lit);transform:translateY(-1px)}.btn-ai{background:#e94560;box-shadow:0 2px 6px rgba(0,0,0,.2)}.btn:disabled,.btn:disabled:hover{background:#45464c;color:#d4d4d6;cursor:wait;transform:none;box-shadow:none}
.main-tabs{display:flex;gap:4px;padding:0 24px;background:var(--bg-side);border-bottom:2px solid var(--border)}.main-tab{padding:12px 24px;margin-bottom:-2px;border:0;border-bottom:3px solid transparent;background:transparent;color:var(--text-dim);font-size:14px;font-weight:bold}.main-tab:hover{color:var(--text);background:rgba(255,255,255,.03)}.main-tab.active{color:var(--accent);border-bottom-color:var(--accent)}.tab-panel{flex:1;overflow-y:auto;padding:20px 24px}.tab-panel[hidden]{display:none}.match-area{display:block}.panel-heading{display:flex;justify-content:space-between;align-items:flex-start;gap:12px}.panel-heading h2{margin:0;color:var(--text);font-size:17px}.panel-heading p,.panel-hint{margin:4px 0 0;color:var(--text-dim);font-size:12px;line-height:1.55}.small-copy{padding:6px 12px;border:1px solid var(--accent);border-radius:6px;background:transparent;color:#ffc1ca;font-size:12px;white-space:nowrap}.small-copy:hover:not(:disabled){background:rgba(233,69,96,.16)}.small-copy:disabled{border-color:#394762;color:#7f8b9e;cursor:not-allowed}.match-list{display:grid;gap:12px;margin-top:16px}.match-card{border-left:4px solid var(--accent);border-radius:7px;background:#16213e;overflow:hidden;box-shadow:0 2px 8px rgba(0,0,0,.16)}.match-card:hover{background:var(--hover)}.match-card-title{margin:0;padding:13px 16px 5px;color:var(--text);font-size:15px;line-height:1.4}.match-card-body{padding:3px 16px 16px;color:var(--text-mid);font-size:12px;line-height:1.7;white-space:pre-wrap;word-break:break-word}.match-card-body strong{display:block;margin:9px 0 2px;color:#fff;font-size:12px}.empty-state{min-height:280px;display:grid;place-content:center;text-align:center;color:var(--text-dim);font-size:13px}.empty-state div{font-size:52px;color:#405778;line-height:1}.empty-state p{margin:12px 0 0}
.design-grid{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:18px}.design-result,.defense-panel{background:var(--bg-side);border:1px solid var(--border);border-radius:8px;padding:18px}.proposal{margin-top:16px;padding:16px;background:#1d2c50;border-left:4px solid var(--accent);border-radius:7px;color:var(--text);white-space:pre-wrap;word-break:break-word;line-height:1.85;font-size:14px}.defense-heading{display:flex;align-items:flex-start;gap:9px}.defense-heading>span{display:grid;place-items:center;width:28px;height:28px;border-radius:50%;background:rgba(233,69,96,.15);border:1px solid var(--accent);color:#ff8a9a;font-size:12px;font-weight:bold}.defense-heading h2{margin:0;color:#fff;font-size:16px}.defense-heading p,.defense-empty{margin:4px 0 0;color:var(--text-dim);font-size:12px;line-height:1.6}.defense-heading-note{color:#c7d0df!important;font-size:11px!important}.defense-actions{display:grid;gap:8px;margin-top:16px}.defense-actions button{padding:9px 10px;border:1px solid #405778;border-radius:6px;background:var(--bg-input);color:var(--text);text-align:left;font-size:12px}.defense-actions button:hover:not(:disabled){border-color:var(--accent)}.defense-actions button:disabled{border-color:#394762;background:#202634;color:#7f8b9e;cursor:not-allowed}.defense-result{margin-top:16px;padding-top:12px;border-top:1px solid var(--border)}.defense-result-top{display:flex;align-items:center;justify-content:space-between;gap:8px}.defense-result h3{margin:0;font-size:13px}.defense-result-top button{padding:4px 8px;border:1px solid var(--accent);border-radius:4px;background:transparent;color:#ffc1ca;font-size:11px}.defense-result article{margin-top:10px;white-space:pre-wrap;word-break:break-word;font-size:12px;line-height:1.7}
.materials-panel{padding-bottom:18px}.materials-empty,.materials-result{margin:10px 0 0;color:var(--text-dim);font-size:12px;line-height:1.6}.materials-result{padding:9px 10px;border:1px solid #356d53;border-radius:6px;background:rgba(40,125,81,.12);color:#96dfb6}.defense-section{padding-top:18px;border-top:1px solid var(--border)}.materials-export-button{background:var(--accent)!important;border-color:var(--accent)!important;color:#fff!important;font-weight:bold;text-align:center!important}.materials-export-button:hover:not(:disabled){background:var(--accent-lit)!important;border-color:var(--accent-lit)!important;transform:translateY(-1px)}
.toast{position:fixed;top:20px;right:20px;z-index:20;background:var(--green);color:#fff;padding:12px 20px;border-radius:6px;box-shadow:0 4px 12px rgba(0,0,0,.3);font-size:13px}
@media(max-width:1040px){body{overflow:auto}#sidebar{width:250px;min-width:250px}.design-grid{grid-template-columns:1fr}.defense-panel{max-width:none}}@media(max-width:720px){body{display:block;overflow:auto}#sidebar{width:100%;min-width:0;max-height:42vh;border-right:0;border-bottom:1px solid var(--border)}#main{min-height:58vh}.subtitle{display:none}#header{padding:10px 14px}#input-area,.tab-panel{padding:14px}.main-tabs{padding:0 8px;overflow-x:auto}.main-tab{padding:11px 14px;white-space:nowrap}.btn{padding:9px 12px;font-size:12px}.design-grid{gap:14px}.empty-state{min-height:190px}}
.match-card-header{display:flex;align-items:flex-start;justify-content:space-between;gap:12px}.match-card-tools{display:flex;align-items:center;gap:9px;padding:10px 12px 0 0}.match-score{color:#ff4d61;font-size:22px;line-height:1;white-space:nowrap}.match-card-copy{display:grid;place-items:center;width:26px;height:22px;padding:0;border:0;border-radius:4px;background:#c43a59;color:#fff;font-size:13px;line-height:1}.match-card-copy:hover{background:var(--accent);transform:translateY(-1px)}.match-card-copy:focus-visible{outline:2px solid #fff;outline-offset:2px}
#input-area textarea{height:120px}
.content-layout{flex:1;min-height:0;display:grid;grid-template-columns:minmax(0,7fr) minmax(280px,3fr)}.editor-column{min-width:0;min-height:0;display:flex;flex-direction:column;overflow:hidden}#defense-panel{min-height:0;overflow-y:auto;border:0;border-left:2px solid var(--border);border-radius:0;padding:18px;background:var(--bg-side)}.design-grid{display:block}.design-result{min-height:100%}@media(max-width:1040px){.content-layout{grid-template-columns:1fr}.editor-column{overflow:visible}#defense-panel{border-left:0;border-top:2px solid var(--border);min-height:auto}}
#defense-script-button{background:var(--accent);border-color:var(--accent);color:#fff;font-weight:bold;text-align:center}.defense-actions #defense-script-button:hover:not(:disabled){background:var(--accent-lit);border-color:var(--accent-lit);transform:translateY(-1px)}
.device-panel-title img,.logo img{object-fit:contain;border-radius:0}
.device-panel-title img,.logo img{width:36px;height:36px}.device-panel-title>span{gap:8px}#header{min-height:64px;padding:8px 24px;gap:12px}#header .logo{width:36px;height:36px}
.brand-watermark{color:#fff;font-size:18px;font-weight:700;letter-spacing:1px;white-space:nowrap;pointer-events:none}
.legal-notices{margin-top:12px;padding-top:10px;border-top:1px solid rgba(64,87,120,.55);color:var(--text-dim);font-size:11px;line-height:1.65}.legal-notices p{margin:0}.legal-notices p+p{margin-top:4px}.legal-notices strong{color:#d6dce8;font-weight:700}
.chat-panel{display:flex;flex:1;flex-direction:column;overflow:hidden;padding:0}.chat-messages{flex:1;overflow-y:auto;padding:20px 24px;scroll-behavior:smooth}.chat-input-area{display:flex;gap:12px;align-items:flex-end;padding:12px 24px;background:var(--bg-side);border-top:2px solid var(--border)}.chat-input-area textarea{flex:1;min-height:64px;max-height:140px;resize:none;background:var(--bg-input);border:1px solid var(--border);border-radius:8px;color:var(--text);padding:10px 12px;font-size:13px;line-height:1.5;outline:none}.chat-input-area textarea:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(233,69,96,.1)}.chat-input-area textarea:disabled{background:#202634;color:#7f8b9e;cursor:not-allowed}.chat-input-area .btn{padding:9px 18px;white-space:nowrap}.chat-message{display:flex;gap:10px;margin-bottom:16px;animation:chat-fade-in .2s ease-out}.chat-message.user{justify-content:flex-end}.chat-avatar{display:grid;place-items:center;flex:0 0 34px;width:34px;height:34px;border-radius:50%;background:var(--accent);color:#fff;font-size:14px;font-weight:bold}.chat-message.user .chat-avatar{order:2;background:#315a96}.chat-bubble{position:relative;max-width:82%;padding:12px 16px;border-radius:12px;background:#1d2c50;color:var(--text);font-size:13px;line-height:1.7;word-break:break-word}.chat-message.user .chat-bubble{background:#315a96;color:#fff}.chat-content{white-space:pre-wrap}.chat-message.assistant:not(.chat-pending) .chat-bubble{padding-right:58px}.chat-pending .chat-bubble{color:var(--text-dim);font-style:italic}.chat-copy{position:absolute;top:7px;right:7px;padding:3px 8px;border:1px solid var(--accent);border-radius:4px;background:transparent;color:#ffc1ca;font-size:11px}.chat-copy:hover{background:rgba(233,69,96,.16)}@keyframes chat-fade-in{from{opacity:0;transform:translateY(4px)}to{opacity:1;transform:translateY(0)}}
.generation-status{margin:10px 0 0;color:#ffb0bc;font-size:12px;line-height:1.5}.generation-status::before{content:'●';display:inline-block;margin-right:6px;color:var(--accent);animation:generation-pulse 1s ease-in-out infinite}@keyframes generation-pulse{50%{opacity:.35}}
.settings-button{display:grid;place-items:center;width:30px;height:30px;padding:0;border:0;border-radius:5px;background:transparent;color:#d4dceb;font-size:20px;line-height:1}.settings-button:hover,.settings-button:focus-visible{background:rgba(255,255,255,.1);color:#fff}.settings-button:focus-visible{outline:2px solid #fff;outline-offset:2px}.settings-backdrop{position:fixed;inset:0;z-index:50;display:grid;place-items:center;padding:16px;background:rgba(6,10,20,.68)}.settings-backdrop[hidden]{display:none}.settings-dialog{width:min(100%,440px);padding:24px;border:1px solid #394762;border-radius:8px;background:#171d25;box-shadow:0 18px 50px rgba(0,0,0,.45)}.settings-title-row{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:18px}.settings-title-row h2{margin:0;color:var(--accent);font-size:16px}.settings-close-button{width:28px;height:28px;padding:0;border:0;border-radius:4px;background:transparent;color:#aeb8c9;font-size:24px;line-height:1}.settings-close-button:hover{background:rgba(255,255,255,.08);color:#fff}.settings-dialog label,.settings-fieldset legend{display:block;margin:14px 0 6px;color:#9da8ba;font-size:12px}.settings-fieldset{margin:0;padding:0;border:0}.provider-options{display:flex;gap:8px}.provider-option{padding:6px 12px;border:1px solid #394762;border-radius:6px;background:#252c34;color:#c2cad7;font-size:12px;font-weight:bold}.provider-option:hover{border-color:#68768a}.provider-option.active{border-color:var(--accent);background:var(--accent);color:#fff}.settings-dialog input,.settings-dialog select{display:block;width:100%;height:38px;padding:8px 12px;border:1px solid #394762;border-radius:6px;outline:none;background:#252c34;color:#f5f7fa;font-size:13px}.settings-dialog input:focus,.settings-dialog select:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(233,69,96,.14)}.settings-key-note,.settings-status{min-height:18px;margin:8px 0 0;color:#9da8ba;font-size:11px;line-height:1.5}.settings-status{color:#ffb0bc}.settings-status.is-success{color:#75d7a7}.settings-actions{display:flex;justify-content:flex-end;gap:8px;margin-top:18px}.settings-actions button{padding:8px 14px;border-radius:6px;font-size:12px;font-weight:bold}.settings-test-button,.settings-cancel-button{border:1px solid #46536a;background:#252c34;color:#d6dce8}.settings-test-button:hover:not(:disabled),.settings-cancel-button:hover:not(:disabled){border-color:#8794aa;color:#fff}.settings-save-button{border:1px solid var(--accent);background:var(--accent);color:#fff}.settings-save-button:hover:not(:disabled){background:var(--accent-lit);border-color:var(--accent-lit)}.settings-actions button:disabled{cursor:wait;opacity:.62}@media(max-width:520px){.settings-dialog{padding:18px}.settings-actions{flex-wrap:wrap}.settings-test-button{margin-right:auto}}
.main-tab{display:inline-flex;align-items:center;gap:8px}.design-tab-status{display:inline-flex;align-items:center;gap:4px;color:var(--text-dim);font-size:11px;font-weight:400;white-space:nowrap}.design-tab-light{width:8px;height:8px;border-radius:50%;background:#7f8b9e;box-shadow:0 0 0 2px rgba(127,139,158,.16)}.design-tab-status.is-generating{color:#ffc1ca}.design-tab-status.is-generating .design-tab-light{background:var(--accent);box-shadow:0 0 0 2px rgba(233,69,96,.2),0 0 8px rgba(233,69,96,.7);animation:design-status-pulse .9s ease-in-out infinite}.design-tab-status.is-ready{color:#9be6ad}.design-tab-status.is-ready .design-tab-light{background:var(--green);box-shadow:0 0 0 2px rgba(76,175,80,.18)}.design-tab-status.is-error{color:#ff9aa9}.design-tab-status.is-error .design-tab-light{background:#ff4d61;box-shadow:0 0 0 2px rgba(255,77,97,.2)}@keyframes design-status-pulse{50%{opacity:.35;transform:scale(.78)}}
@media(max-width:720px){.chat-messages{padding:14px 12px}.chat-input-area{padding:10px 12px;gap:8px}.chat-input-area .btn{padding:9px 12px}.chat-bubble{max-width:88%}}

.match-card-heading{min-width:0}.match-project-code{margin:0;padding:0 16px 5px;color:var(--text-dim);font-size:12px;overflow-wrap:anywhere}.match-score-label{font-size:12px}.match-card-tools{flex-shrink:0}@media(max-width:480px){.match-card-header{flex-wrap:wrap;gap:0}.match-card-tools{margin-left:auto;padding:5px 12px 8px}}

/* 内部版深浅主题切换：沿用内测版的日间配色和交互。 */
.theme-toggle{position:relative;display:grid;place-items:center;flex:0 0 40px;width:40px;height:40px;padding:0;border:1px solid rgba(255,255,255,.24);border-radius:8px;background:rgba(9,31,61,.24);color:#fff;box-shadow:inset 0 1px 0 rgba(255,255,255,.08);transition:background .18s ease,border-color .18s ease,color .18s ease,transform .18s ease}.theme-toggle:hover{background:rgba(255,255,255,.14);transform:translateY(-1px)}.theme-toggle:active{transform:translateY(0)}.theme-toggle:focus-visible{outline:2px solid #fff;outline-offset:3px}.theme-icon{position:absolute;width:20px;height:20px;fill:none;stroke:currentColor;stroke-linecap:round;stroke-linejoin:round;stroke-width:1.8;transition:opacity .18s ease,transform .18s ease}.theme-icon-sun{opacity:0;transform:rotate(-45deg) scale(.72)}.theme-icon-moon{opacity:1;transform:rotate(0) scale(1)}
html[data-theme="light"]{--bg-body:#f4f7fb;--bg-side:#fff;--bg-card:#fff;--bg-input:#fff;--bg-header:#fff;--border:#d7e1ee;--text:#16243a;--text-dim:#5d6d84;--text-mid:#40516a;--text-inv:#173f70;--accent:#dc3658;--accent-lit:#bd2444;--hover:#edf3fa;--tag-bg:#f2f6fb;--green:#248454}html[data-theme="light"] body{background:var(--bg-body)}html[data-theme="light"] #header{border-bottom:1px solid #dbe4ef;box-shadow:0 2px 10px rgba(24,48,82,.08)}html[data-theme="light"] .subtitle{color:#66809d}html[data-theme="light"] .brand-watermark{color:#174a87}html[data-theme="light"] .theme-toggle{border-color:#c5d5e7;background:#f1f6fb;color:#174a87;box-shadow:none}html[data-theme="light"] .theme-toggle:hover{background:#e4effa;border-color:#9db8d7}html[data-theme="light"] .theme-toggle:focus-visible{outline-color:#174a87}html[data-theme="light"] .theme-icon-sun{opacity:1;transform:rotate(0) scale(1)}html[data-theme="light"] .theme-icon-moon{opacity:0;transform:rotate(45deg) scale(.72)}
html[data-theme="light"] .examples button{border-color:#b9c9dc;color:#40516a}html[data-theme="light"] .examples button:hover{color:#173f70;background:#f2f7fc}html[data-theme="light"] .main-tab:hover{background:#f4f7fb}html[data-theme="light"] .device-panel-title button{background:#173f70;color:#fff}html[data-theme="light"] .checkbox-list label:hover{background:#e4eef9}html[data-theme="light"] .match-card{background:#fff;box-shadow:0 2px 9px rgba(23,55,94,.1)}html[data-theme="light"] .match-card-body strong,html[data-theme="light"] .defense-heading h2{color:#173f70}html[data-theme="light"] .small-copy,html[data-theme="light"] .chat-copy{color:#a22342}html[data-theme="light"] .match-error{border-color:#da8696;color:#a22342;background:#fff6f7}html[data-theme="light"] .match-retry{color:#a22342}html[data-theme="light"] .materials-result{background:#f0faf4;color:#1d6a44}html[data-theme="light"] .legal-notices{border-color:#d7e1ee}html[data-theme="light"] .legal-notices strong{color:#244a79}html[data-theme="light"] .proposal{background:#edf3fa;color:#203955}html[data-theme="light"] .chat-bubble{background:#eaf1f9;color:#203955}html[data-theme="light"] .chat-message.user .chat-bubble{background:#315a96}html[data-theme="light"] .generation-status{color:#a22342}html[data-theme="light"] .settings-button{color:#174a87}html[data-theme="light"] .settings-button:hover,html[data-theme="light"] .settings-button:focus-visible{background:#e4effa;color:#173f70}html[data-theme="light"] .settings-dialog{border-color:#c4d3e5;background:#fff;box-shadow:0 24px 72px rgba(24,48,82,.26)}html[data-theme="light"] .settings-dialog h2{color:#173f70}html[data-theme="light"] .settings-dialog input,html[data-theme="light"] .settings-dialog select{border-color:#b8c9dc;background:#fff;color:#16243a}
@media(max-width:720px){.theme-toggle{flex-basis:40px;width:40px;height:40px}.brand-watermark{font-size:16px}}@media(max-width:420px){.brand-watermark{display:none}.spacer{flex:1}}@media(prefers-reduced-motion:reduce){.theme-toggle,.theme-icon{transition:none}}