:root{--bg: #f7f8fa;--surface: #ffffff;--surface-2: #f4f5f7;--sidebar: #ffffff;--sidebar-hover: #f1f2f4;--sidebar-active: #eceef1;--text: #1f2329;--text-2: #4e5969;--muted: #6b7280;--faint: #9ca3af;--border: #e5e7eb;--border-strong: #d9dce1;--primary: #3370ff;--primary-hover: #2563eb;--primary-soft: #eef4ff;--primary-soft-2: #dbe7ff;--danger: #e5484d;--danger-soft: #fdecec;--success: #17a673;--success-soft: #e6f7f1;--warn: #d97706;--warn-soft: #fef3e2;--radius: 10px;--radius-lg: 14px;--shadow: 0 1px 2px rgba(16, 24, 40, .04), 0 1px 3px rgba(16, 24, 40, .06);--shadow-md: 0 4px 16px rgba(16, 24, 40, .08);--shadow-lg: 0 12px 40px rgba(16, 24, 40, .16);--font: system-ui, -apple-system, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;--sidebar-w: 240px}[data-theme=dark]{--bg: #17181c;--surface: #1f2126;--surface-2: #26282e;--sidebar: #1a1b1f;--sidebar-hover: #24262b;--sidebar-active: #2c2e34;--text: #e8eaed;--text-2: #b6bcc6;--muted: #9aa0a8;--faint: #6b7280;--border: #2e3138;--border-strong: #3a3e46;--primary-soft: #1e2a44;--primary-soft-2: #24345a;--danger-soft: #3a2224;--success-soft: #17322a;--warn-soft: #36281a;--shadow: 0 1px 2px rgba(0, 0, 0, .3);--shadow-md: 0 4px 16px rgba(0, 0, 0, .35);--shadow-lg: 0 12px 40px rgba(0, 0, 0, .5)}*{box-sizing:border-box;margin:0;padding:0}html,body,#app{height:100%}body{font-family:var(--font);background:var(--bg);color:var(--text);font-size:14px;line-height:1.55;-webkit-font-smoothing:antialiased}a{color:var(--primary);text-decoration:none}button{font-family:inherit;cursor:pointer}input,textarea,select{font-family:inherit;font-size:14px;color:var(--text)}:where(input:not([type=checkbox],[type=radio],[type=file],[type=range],[type=hidden]),textarea,select){padding:8px 12px;border:1px solid var(--border);border-radius:10px;background-color:var(--surface);outline:none;transition:border-color .15s ease,box-shadow .15s 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.empty-icon{width:52px;height:52px;border-radius:16px;background:var(--surface-2);display:flex;align-items:center;justify-content:center;color:var(--faint);margin-bottom:4px}.empty .empty-title{font-size:15px;font-weight:600;color:var(--text)}.empty .empty-desc{font-size:13px;color:var(--muted);max-width:380px}.search{display:flex;align-items:center;gap:8px;padding:8px 16px;background:var(--surface);border:1px solid var(--border);border-radius:999px;min-width:240px;box-shadow:var(--shadow);transition:border-color .15s,box-shadow .15s}.search:focus-within{border-color:var(--primary);box-shadow:0 0 0 3px #3370ff1f,var(--shadow)}.search input{border:none;outline:none;background:transparent;flex:1;font-size:13px;min-width:0;padding:0}.search input:focus{border:none;box-shadow:none}.search svg{color:var(--faint);flex-shrink:0}.modal-mask{position:fixed;top:0;right:0;bottom:0;left:0;background:#0f121a73;display:flex;align-items:center;justify-content:center;z-index:100;padding:24px;animation:fadeIn .15s ease}.modal{background:var(--surface);border-radius:16px;box-shadow:var(--shadow-lg);width:520px;max-width:100%;max-height:88vh;display:flex;flex-direction:column;animation:popIn .16s ease}.modal.wide{width:760px}.modal-head{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;border-bottom:1px solid var(--border)}.modal-head h3{font-size:16px;font-weight:600}.modal-close{border:none;background:transparent;color:var(--muted);width:30px;height:30px;border-radius:8px;font-size:16px}.modal-close:hover{background:var(--surface-2);color:var(--text)}.modal-body{padding:20px;overflow-y:auto}.modal-foot{padding:14px 20px;border-top:1px solid var(--border);display:flex;justify-content:flex-end;gap:10px}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes popIn{0%{opacity:0;transform:translateY(8px) scale(.98)}to{opacity:1;transform:none}}.drawer-mask{position:fixed;top:0;right:0;bottom:0;left:0;background:#0f121a59;z-index:90;animation:fadeIn .15s ease}.drawer{position:fixed;top:0;right:0;bottom:0;width:440px;max-width:92vw;background:var(--surface);border-left:1px solid var(--border);box-shadow:var(--shadow-lg);z-index:91;display:flex;flex-direction:column;animation:slideIn .18s ease}@keyframes slideIn{0%{transform:translate(24px);opacity:0}to{transform:none;opacity:1}}.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;border-bottom:1px solid var(--border)}.drawer-head h3{font-size:15px;font-weight:600}.drawer-body{flex:1;overflow-y:auto;padding:18px 20px}.row{display:flex;align-items:center;gap:10px}.row-between{display:flex;align-items:center;justify-content:space-between;gap:12px}.wrap{flex-wrap:wrap}.grow{flex:1;min-width:0}.muted{color:var(--muted)}.faint{color:var(--faint)}.small{font-size:12px}.mt-8{margin-top:8px}.mt-12{margin-top:12px}.mt-16{margin-top:16px}.mt-24{margin-top:24px}.mb-8{margin-bottom:8px}.mb-12{margin-bottom:12px}.mb-16{margin-bottom:16px}.mono{font-family:ui-monospace,Consolas,monospace;font-size:12px}.divider{height:1px;background:var(--border);margin:14px 0}.grid-cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:14px}.toast{position:fixed;left:50%;bottom:32px;transform:translate(-50%);background:#1f2329;color:#fff;padding:11px 20px;border-radius:10px;z-index:999;max-width:420px;box-shadow:var(--shadow-lg);font-size:14px;animation:popIn .16s ease}.auth-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:radial-gradient(1200px 600px at 20% 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12px #3370ff57}.auth-card .auth-foot{margin-top:16px;text-align:center;font-size:13px;color:var(--muted)}.home-wrap{max-width:860px;margin:0 auto;padding:56px 28px 60px;width:100%}.home-title{font-size:34px;font-weight:800;text-align:center;letter-spacing:-.6px}.home-sub{text-align:center;color:var(--muted);margin-top:8px;font-size:14px}.home-tabs{display:flex;justify-content:center;gap:8px;margin-top:26px}.composer{position:relative;background:var(--surface);border:1px solid var(--border-strong);border-radius:18px;box-shadow:var(--shadow);padding:15px 16px 11px;transition:border-color .2s ease,box-shadow .2s ease}.composer:focus-within{border-color:#3370ff8c;box-shadow:0 0 0 3px #3370ff1c,0 8px 28px #1018281a}[data-theme=dark] .composer:focus-within{box-shadow:0 0 0 3px #3370ff2e,0 8px 28px #00000059}.composer 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