:root{--blue:#1467f5;--navy:#0d1b36;--bg:#f4f7fb;--card:#fff;--muted:#78869e;--line:#e7edf5;--danger:#ef4444;--green:#17a673;--orange:#ff8a2b;--shadow:0 12px 30px rgba(26,72,132,.08)}*{box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;color:var(--navy);background:var(--bg)}button,input,select,textarea{font:inherit}.hidden{display:none!important}.login-shell{min-height:100vh;display:grid;place-items:center;background:radial-gradient(circle at 20% 10%,#ddebff 0,transparent 34%),linear-gradient(145deg,#f7fbff,#eef5ff)}.login-card{width:min(430px,92vw);background:#fff;padding:42px;border-radius:26px;box-shadow:0 24px 60px rgba(27,86,170,.16)}.brand-mark{width:54px;height:54px;border-radius:18px;background:linear-gradient(135deg,#125cf1,#26a5ff);display:grid;place-items:center;color:#fff;font-size:27px;font-weight:800;box-shadow:0 10px 20px rgba(20,103,245,.24)}.brand-mark.sm{width:40px;height:40px;border-radius:13px;font-size:20px}.login-card h1{margin:20px 0 4px;font-size:30px}.login-card p{margin:0 0 28px;color:var(--muted)}label{display:flex;flex-direction:column;gap:8px;font-size:13px;font-weight:650;color:#506078}input,select,textarea{border:1px solid var(--line);background:#fbfdff;border-radius:11px;padding:11px 12px;outline:none;color:#17243d;transition:.2s}input:focus,select:focus,textarea:focus{border-color:#6da3ff;box-shadow:0 0 0 3px rgba(20,103,245,.1)}.login-card form{display:grid;gap:18px}.login-card button,.primary{border:0;background:var(--blue);color:#fff;border-radius:11px;padding:11px 16px;font-weight:700;cursor:pointer}.form-msg{min-height:18px;color:var(--danger);font-size:13px}.admin-shell{display:grid;grid-template-columns:232px 1fr;min-height:100vh}.sidebar{position:sticky;top:0;height:100vh;background:#101b31;color:#fff;padding:22px 16px;display:flex;flex-direction:column}.sidebar-brand{display:flex;align-items:center;gap:12px;padding:6px 8px 24px}.sidebar-brand small{display:block;color:#8091ad;margin-top:4px}.sidebar nav{display:grid;gap:8px}.nav-btn,.logout{border:0;color:#aebbd0;background:transparent;padding:13px 14px;border-radius:12px;text-align:left;cursor:pointer;font-size:15px}.nav-btn.active,.nav-btn:hover{background:#1b2b4a;color:#fff}.logout{margin-top:auto;color:#ff9ca1}.content{padding:28px 34px}.topbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:26px}.topbar h2{margin:0;font-size:25px}.topbar p{margin:5px 0 0;color:var(--muted);font-size:13px}.admin-chip{display:flex;gap:8px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:999px;padding:8px 13px}.dot{width:8px;height:8px;border-radius:50%;background:var(--green)}.stats-grid{display:grid;grid-template-columns:repeat(5,minmax(130px,1fr));gap:15px;margin-bottom:20px}.stat-card,.card{background:#fff;border:1px solid #edf1f6;border-radius:18px;box-shadow:var(--shadow)}.stat-card{padding:20px}.stat-card span{color:var(--muted);font-size:13px}.stat-card b{display:block;margin-top:8px;font-size:28px}.card{padding:20px}.card-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:15px}.card-head h3{margin:0}.info-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.info-grid div{background:#f8fbff;border-radius:12px;padding:15px}.info-grid b{display:block;margin-bottom:8px}.info-grid code{color:#315a93}.toolbar{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}.search-wrap input{width:320px}.muted{color:var(--muted);font-weight:400;margin-left:6px}.table-card{padding:0;overflow:auto}table{width:100%;border-collapse:collapse;min-width:900px}th,td{text-align:left;padding:14px 16px;border-bottom:1px solid var(--line);font-size:13px}th{color:#75839a;font-weight:650;background:#fbfcfe}.project-cell{display:flex;align-items:center;gap:10px}.project-cell img{width:54px;height:40px;object-fit:cover;border-radius:9px;background:#eef3fb}.status{padding:4px 8px;border-radius:999px;font-size:12px}.status.published{background:#e9fbf4;color:#12835d}.status.draft{background:#fff4d9;color:#9a6a00}.status.offline{background:#f1f3f6;color:#7a8391}.action-btn{border:0;background:#edf4ff;color:#2164c9;padding:7px 9px;border-radius:8px;cursor:pointer;margin-right:5px}.action-btn.danger{background:#fff0f1;color:#c93643}.category-grid{display:grid;grid-template-columns:repeat(4,minmax(190px,1fr));gap:14px}.category-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:17px;box-shadow:var(--shadow)}.category-card .cat-top{display:flex;justify-content:space-between;align-items:center}.cat-icon{width:42px;height:42px;border-radius:13px;background:#eaf2ff;color:#1467f5;display:grid;place-items:center;font-weight:800}.category-card h4{margin:14px 0 5px}.category-card p{margin:0;color:var(--muted);white-space:pre-line;font-size:13px;min-height:38px}.category-card .cat-actions{margin-top:14px}pre{padding:16px;background:#0d1b2f;color:#b9d8ff;border-radius:14px;overflow:auto;min-height:240px}.modal{position:fixed;inset:0;background:rgba(4,14,30,.55);display:grid;place-items:center;padding:30px;z-index:50}.modal-dialog{width:min(600px,96vw);max-height:92vh;overflow:auto;background:#fff;border-radius:20px;box-shadow:0 30px 80px rgba(0,0,0,.25)}.modal-dialog.wide{width:min(900px,96vw)}.modal-head{position:sticky;top:0;background:#fff;z-index:2;display:flex;align-items:center;justify-content:space-between;padding:19px 22px;border-bottom:1px solid var(--line)}.modal-head h3{margin:0}.modal-head button{border:0;background:transparent;font-size:28px;color:#6b778c;cursor:pointer}.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:15px;padding:20px 22px}.full{grid-column:1/-1}.checkbox-line{flex-direction:row;align-items:center}.checkbox-line input{width:auto}.inline-upload{display:grid;grid-template-columns:1fr auto auto;gap:8px;align-items:center}.inline-upload input[type=file]{width:190px;padding:8px}.primary,.secondary{border:0;border-radius:10px;padding:10px 14px;font-weight:700;cursor:pointer}.secondary{background:#edf2f8;color:#40516e}.modal-actions{display:flex;justify-content:flex-end;gap:10px;padding-top:8px}#toast{position:fixed;right:24px;bottom:24px;background:#10213b;color:#fff;padding:11px 15px;border-radius:10px;opacity:0;transform:translateY(10px);pointer-events:none;transition:.2s;z-index:80}#toast.show{opacity:1;transform:none}@media(max-width:1100px){.stats-grid{grid-template-columns:repeat(3,1fr)}.category-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:760px){.admin-shell{grid-template-columns:72px 1fr}.sidebar{padding:16px 9px}.sidebar-brand>div:last-child,.nav-btn span,.logout{display:none}.sidebar-brand{justify-content:center}.nav-btn{text-align:center;font-size:20px}.content{padding:20px 14px}.stats-grid{grid-template-columns:repeat(2,1fr)}.info-grid{grid-template-columns:1fr}.category-grid{grid-template-columns:1fr}.form-grid{grid-template-columns:1fr}.full{grid-column:auto}.search-wrap input{width:190px}}