:root{--bg: #f4f6fb;--surface: #ffffff;--surface-2: #f7f9fc;--surface-3: #eef2f8;--border: #e5e9f2;--border-strong: #d4dae6;--text: #1b2333;--text-2: #59627a;--text-dim: #8a93a6;--accent: #2b63ff;--accent-ink: #1c48cc;--accent-2: #22b8f0;--accent-soft: #eaf0ff;--grad: linear-gradient(135deg, #2b63ff 0%, #22b8f0 100%);--success: #12b76a;--warning: #f79009;--danger: #f04438;--danger-soft: #fef0ef;--radius: 10px;--radius-lg: 14px;--shadow-sm: 0 1px 2px rgba(16, 24, 40, .06);--shadow: 0 4px 16px rgba(16, 24, 40, .07);--shadow-lg: 0 16px 40px rgba(16, 24, 40, .12);--sidebar-w: 224px;--topbar-h: 58px;--amber: #e8a33d;--dark: #151c24;--dark-2: #1e2833;--dark-3: #293643;--dark-line: #33414f;--dark-text: #e8edf2;--dark-dim: #93a2b0}*{box-sizing:border-box;margin:0;padding:0}html,body,#app{height:100%}body{background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,PingFang SC,Microsoft YaHei,Segoe UI,sans-serif;font-size:14px;line-height:1.55;-webkit-font-smoothing:antialiased;cursor:default;user-select:none;-webkit-user-select:none}input,textarea,[contenteditable=true]{cursor:text;user-select:text;-webkit-user-select:text}a{color:inherit;text-decoration:none}button{font-family:inherit}h1,h2,h3{letter-spacing:-.01em}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:8px 16px;border-radius:9px;border:1px solid var(--border-strong);background:var(--surface);color:var(--text);font-size:13.5px;font-weight:500;cursor:pointer;transition:all .15s ease;white-space:nowrap}.btn:hover{border-color:var(--accent);color:var(--accent)}.btn:disabled{opacity:.5;cursor:not-allowed}.btn:disabled:hover{border-color:var(--border-strong);color:var(--text)}.btn-primary{background:var(--grad);border:none;color:#fff;font-weight:600;box-shadow:0 2px 8px #2b63ff47}.btn-primary:hover{color:#fff;filter:brightness(1.05);box-shadow:0 4px 14px #2b63ff5c}.btn-ghost{background:transparent;border-color:transparent}.btn-ghost:hover{background:var(--surface-2);border-color:transparent;color:var(--text)}.btn-danger{color:var(--danger);border-color:transparent;background:transparent}.btn-danger:hover{background:var(--danger-soft);border-color:var(--danger);color:var(--danger)}.btn.sm{padding:5px 11px;font-size:12.5px}label.btn.file-btn{cursor:pointer}label.btn.file-btn.disabled{opacity:.5;pointer-events:none}.input,textarea.input,select.input{width:100%;padding:10px 13px;border-radius:9px;border:1px solid var(--border-strong);background:var(--surface);color:var(--text);font-size:14px;outline:none;transition:border-color .15s,box-shadow .15s}.input:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}.input::placeholder{color:var(--text-dim)}.input.sm{padding:7px 10px;font-size:12.5px}.field{margin-bottom:15px}.field label{display:block;font-size:13px;color:var(--text-2);margin-bottom:6px;font-weight:500}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm)}.container{max-width:1240px;margin:0 auto;padding:26px 30px}.error-msg{color:var(--danger);font-size:13px;margin-top:8px;min-height:18px}.error-msg.with-retry{display:flex;align-items:center;gap:10px}.loading-hint{color:var(--text-dim);font-size:13.5px;padding:40px 0;text-align:center}.skeleton{position:relative;overflow:hidden;border-radius:8px;background:var(--surface-3)}.skeleton:after{content:"";position:absolute;top:0;right:0;bottom:0;left:0;transform:translate(-100%);background:linear-gradient(90deg,transparent,rgba(255,255,255,.65),transparent);animation:shimmer 1.4s infinite}@keyframes shimmer{to{transform:translate(100%)}}@keyframes pop-in{0%{opacity:0;transform:translateY(4px) scale(.98)}to{opacity:1;transform:translateY(0) scale(1)}}.pop-in{animation:pop-in .16s ease-out}@keyframes rise-in{0%{opacity:0;transform:translateY(10px) scale(.98)}to{opacity:1;transform:translateY(0) scale(1)}}.modal{animation:rise-in .18s ease-out}:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.toggle:focus-visible{outline-offset:3px}.brand-mark{display:inline-grid;place-items:center;width:30px;height:30px;border-radius:8px;background:var(--grad);color:#fff;font-weight:800;font-size:15px;box-shadow:0 3px 10px #2b63ff4d}::-webkit-scrollbar{width:10px;height:10px}::-webkit-scrollbar-thumb{background:#cdd5e2;border-radius:6px;border:2px solid transparent;background-clip:content-box}::-webkit-scrollbar-thumb:hover{background:#b6c0d1;background-clip:content-box}::-webkit-scrollbar-track{background:transparent}@media (prefers-reduced-motion: reduce){*{transition:none!important;animation:none!important}}