:root{--bg:#14181e;--bg-soft:#1a1f27;--card:#1f242e;--card-hover:#272e3a;--border:#3d475c;--text:#e7eaf0;--text-dim:#9aa4b5;--primary:#4f7cff;--primary-hover:#3f6bec;--danger:#ef4b6b;--success:#2fbf7c;--radius:14px;--shadow:0 8px 30px rgba(0,0,0,0.35)}*{box-sizing:border-box}body,html{margin:0;padding:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button{font-family:inherit;cursor:pointer}.navbar{justify-content:space-between;padding:16px 28px;background:rgba(20,24,30,.85);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-bottom:1px solid var(--border);position:-webkit-sticky;position:sticky;top:0;z-index:50}.navbar,.navbar .brand{display:flex;align-items:center}.navbar .brand{gap:10px;font-weight:700;font-size:18px;letter-spacing:.2px}.brand .logo{width:32px;height:32px;border-radius:8px;object-fit:contain;display:inline-block}.nav-actions{display:flex;align-items:center;gap:14px}.nav-user{color:var(--text-dim);font-size:14px}.container{max-width:1200px;margin:0 auto;padding:32px 28px 64px}.page-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px;flex-wrap:wrap;gap:12px}.page-head h1{margin:0;font-size:26px}.page-head p{margin:4px 0 0;color:var(--text-dim);font-size:14px}.app-section{margin-bottom:36px}.section-title{font-size:15px;font-weight:700;text-transform:uppercase;letter-spacing:.6px;color:var(--text-dim);margin:0 0 16px;padding-bottom:8px;border-bottom:1px solid var(--border)}.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));grid-gap:22px;gap:22px}.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;transition:transform .15s ease,background .15s ease,box-shadow .15s ease;display:flex;flex-direction:column}.card:hover{transform:translateY(-4px);background:var(--card-hover);box-shadow:var(--shadow)}.card-thumb{aspect-ratio:16/9;background:linear-gradient(135deg,#232a36,#2c3442);position:relative;overflow:hidden}.card-thumb img{width:100%;height:100%;object-fit:cover;display:block}.card-thumb .placeholder{width:100%;height:100%;display:flex;align-items:center;justify-content:center;font-size:40px;font-weight:800;color:var(--text-dim);background:linear-gradient(135deg,#232a36,#2c3442)}.card-body{padding:14px 16px 16px;flex:1 1;display:flex;flex-direction:column;gap:6px}.card-body h3{margin:0;font-size:16px}.card-body .desc{margin:0;color:var(--text-dim);font-size:13px;line-height:1.4}.card-badge{align-self:flex-start;margin-top:4px;font-size:11px;color:var(--primary);background:rgba(79,124,255,.12);padding:3px 8px;border-radius:999px}.btn{border:1px solid var(--border);background:var(--bg-soft);color:var(--text);padding:9px 16px;border-radius:10px;font-size:14px;font-weight:600;transition:background .15s ease,border .15s ease}.btn:hover{background:var(--card-hover)}.btn.primary{background:var(--primary);border-color:var(--primary);color:#fff}.btn.primary:hover{background:var(--primary-hover)}.btn.danger{background:transparent;border-color:var(--danger);color:var(--danger)}.btn.danger:hover{background:rgba(239,75,107,.12)}.btn.small{padding:6px 12px;font-size:13px}.auth-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px;background:radial-gradient(1200px 600px at 50% -10%,#272e3a 0,var(--bg) 60%)}.auth-card{width:100%;max-width:380px;background:var(--card);border:1px solid var(--border);border-radius:18px;padding:32px 28px;box-shadow:var(--shadow)}.auth-card .brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:20px;margin-bottom:6px}.auth-card .subtitle{color:var(--text-dim);font-size:14px;margin:0 0 22px}.field{margin-bottom:16px}.field label{display:block;font-size:13px;color:var(--text-dim);margin-bottom:6px}.field input,.field select,.field textarea{width:100%;padding:11px 13px;border-radius:10px;border:1px solid var(--border);background:var(--bg-soft);color:var(--text);font-size:14px}.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--primary)}.field textarea{resize:vertical;min-height:70px}.form-row{display:grid;grid-template-columns:1fr 1fr;grid-gap:14px;gap:14px}.error{color:var(--danger);font-size:13px;margin:4px 0 14px}.hint{color:var(--text-dim);font-size:12px;margin-top:4px}.tabs{display:flex;gap:8px;margin-bottom:22px;border-bottom:1px solid var(--border)}.tab{padding:10px 16px;font-size:14px;font-weight:600;color:var(--text-dim);border-bottom:2px solid transparent;margin-bottom:-1px}.tab.active,.tab:hover{color:var(--text)}.tab.active{border-bottom-color:var(--primary)}.admin-layout{display:grid;grid-template-columns:380px 1fr;grid-gap:28px;gap:28px;align-items:start}.panel{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:22px}.panel h2{margin:0 0 18px;font-size:18px}.admin-list{display:flex;flex-direction:column;gap:12px}.admin-item{display:flex;align-items:center;gap:14px;background:var(--bg-soft);border:1px solid var(--border);border-radius:12px;padding:12px}.admin-item .thumb{width:64px;height:44px;border-radius:8px;object-fit:cover;background:#232a36;flex-shrink:0}.admin-item .meta{flex:1 1;min-width:0}.admin-item .meta strong{display:block;font-size:14px}.admin-item .meta span{color:var(--text-dim);font-size:12px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;display:block}.admin-item .actions{display:flex;gap:8px}.image-preview{width:100%;aspect-ratio:16/9;border-radius:10px;object-fit:cover;border:1px solid var(--border);margin-bottom:10px;background:var(--bg-soft)}.upload-box{border:1px dashed var(--border);border-radius:10px;padding:18px;font-size:14px}.empty,.upload-box{text-align:center;color:var(--text-dim)}.empty{padding:60px 20px;border:1px dashed var(--border);border-radius:var(--radius)}.inactive-tag{font-size:11px;color:var(--danger)}@media (max-width:860px){.admin-layout{grid-template-columns:1fr}}