:root,html[data-theme=default]{--bg: #f5f6f8;--bg-card: #ffffff;--bg-subtle: #fafbfc;--border: #d0d7de;--border-soft: #eaeef2;--text: #24292f;--text-muted: #656d76;--text-faint: #8b949e;--primary: #1f6feb;--primary-contrast: #ffffff;--primary-soft: #ddf4ff;--primary-border: #a5d6ff;--success: #1a7f37;--success-bg: #dafbe1;--warn: #7d4e00;--warn-bg: #fff8c5;--danger: #cf222e;--btn-bg: #f6f8fa;--btn-hover: #eef1f4;--radius: 6px;--radius-lg: 8px;--radius-xl: 12px;--shadow-card: none;--primary-glow: none;--focus-ring: 2px solid #9dc1f7}html[data-theme=tech]{--bg: #0b1220;--bg-card: #101a2e;--bg-subtle: #0d1626;--border: #24365c;--border-soft: #1a2947;--text: #dce7f5;--text-muted: #7f95b5;--text-faint: #5a708f;--primary: #00cfff;--primary-contrast: #04121c;--primary-soft: rgba(0, 207, 255, .12);--primary-border: rgba(0, 207, 255, .35);--success: #2bd97c;--success-bg: rgba(43, 217, 124, .12);--warn: #ffc857;--warn-bg: rgba(255, 200, 87, .12);--danger: #ff6b6b;--btn-bg: #16233d;--btn-hover: #1d2e4f;--radius: 4px;--radius-lg: 6px;--radius-xl: 8px;--shadow-card: 0 0 0 1px rgba(0, 207, 255, .06), 0 0 24px rgba(0, 207, 255, .05);--primary-glow: 0 0 12px rgba(0, 207, 255, .35);--focus-ring: 2px solid rgba(0, 207, 255, .6)}html[data-theme=minimal]{--bg: #fafafa;--bg-card: #ffffff;--bg-subtle: #f7f7f7;--border: #e4e4e4;--border-soft: #efefef;--text: #1a1a1a;--text-muted: #6f6f6f;--text-faint: #a0a0a0;--primary: #111111;--primary-contrast: #ffffff;--primary-soft: #f0f0f0;--primary-border: #d4d4d4;--success: #2f6b3a;--success-bg: #ecf5ee;--warn: #8a6d1a;--warn-bg: #faf4dd;--danger: #b3261e;--btn-bg: #ffffff;--btn-hover: #f2f2f2;--radius: 2px;--radius-lg: 3px;--radius-xl: 4px;--shadow-card: none;--primary-glow: none;--focus-ring: 2px solid #bdbdbd}*{box-sizing:border-box;margin:0;padding:0}body{font-family:Segoe UI,Microsoft YaHei,sans-serif;background:var(--bg);color:var(--text);font-size:14px;transition:background .2s,color .2s}a{color:var(--primary);text-decoration:none}button{cursor:pointer;border:1px solid var(--border);background:var(--btn-bg);color:var(--text);border-radius:var(--radius);padding:6px 14px;font-size:13px}button:hover{background:var(--btn-hover)}button.primary{background:var(--primary);border-color:var(--primary);color:var(--primary-contrast);box-shadow:var(--primary-glow)}button.primary:disabled{cursor:not-allowed;opacity:.5;box-shadow:none}button.danger{color:var(--danger)}button:disabled{cursor:not-allowed;opacity:.6}input,textarea,select{border:1px solid var(--border);border-radius:var(--radius);padding:7px 10px;font-size:13px;font-family:inherit;background:var(--bg-card);color:var(--text)}input:focus,textarea:focus,select:focus{outline:var(--focus-ring);border-color:var(--primary)}input::placeholder,textarea::placeholder{color:var(--text-faint)}.topbar{display:flex;align-items:center;gap:16px;padding:0 24px;height:52px;background:var(--bg-card);border-bottom:1px solid var(--border)}.topbar .brand{font-weight:700;font-size:18px;color:var(--primary)}.topbar .sub{color:var(--text-muted);font-size:12px;flex:1}.topbar nav{display:flex;gap:18px;align-items:center}.topbar nav a{color:var(--text)}.theme-select{width:auto;padding:4px 8px;font-size:12px}.content{max-width:1400px;margin:0 auto;padding:20px 24px}.page-title{font-size:20px;margin-bottom:16px}.card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:16px;box-shadow:var(--shadow-card)}.list-row{display:flex;align-items:center;gap:12px;padding:12px 4px;border-bottom:1px solid var(--border-soft)}.list-row:last-child{border-bottom:none}.tag{display:inline-block;font-size:12px;padding:2px 8px;border-radius:10px}.tag.gray{background:var(--border-soft);color:var(--text-muted)}.tag.blue{background:var(--primary-soft);color:var(--primary)}.tag.green{background:var(--success-bg);color:var(--success)}.tag.yellow{background:var(--warn-bg);color:var(--warn)}.dialog-mask{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000059;display:flex;align-items:center;justify-content:center;z-index:10}.dialog{background:var(--bg-card);border-radius:var(--radius-xl);padding:20px;width:460px}.dialog h3{margin-bottom:14px}.dialog .field{margin-bottom:12px}.dialog .field label{display:block;margin-bottom:4px;color:var(--text-muted);font-size:12px}.dialog .field input,.dialog .field textarea,.dialog .field select{width:100%}.dialog .field input[type=radio],.dialog .field input[type=checkbox]{width:auto}.dialog .actions{display:flex;justify-content:flex-end;gap:8px;margin-top:16px}.toast{position:fixed;top:64px;left:50%;transform:translate(-50%);background:var(--text);color:var(--bg-card);padding:9px 18px;border-radius:var(--radius);z-index:20;font-size:13px;max-width:70vw}.toast.err{background:var(--danger);color:#fff}