*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--brand: #E5231B;--brand-light: rgba(229, 35, 27, .1);--brand-yellow: #FFE000;--sidebar-bg: #0D0D0D;--sidebar-text: #9CA3AF;--sidebar-active: #ffffff;--bg: #F3F4F6;--surface: #ffffff;--border: #E5E7EB;--ink: #111827;--ink-2: #6B7280;--radius: 12px;--shadow: 0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.04);--shadow-md: 0 4px 6px rgba(0,0,0,.07), 0 2px 4px rgba(0,0,0,.04)}body{font-family:Inter,system-ui,sans-serif;background:var(--bg);color:var(--ink);font-size:14px;line-height:1.5}.layout{display:flex;min-height:100vh}.sidebar{width:240px;flex-shrink:0;background:var(--sidebar-bg);display:flex;flex-direction:column;padding:24px 16px;position:sticky;top:0;height:100vh}.sidebar-brand{display:flex;align-items:center;gap:10px;padding:0 8px 24px;border-bottom:1px solid rgba(255,255,255,.08);color:#fff;font-weight:700;font-size:15px}.sidebar-nav{flex:1;margin-top:16px;display:flex;flex-direction:column;gap:4px;overflow-y:auto}.nav-item{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:8px;color:var(--sidebar-text);text-decoration:none;font-size:14px;font-weight:500;transition:background .15s,color .15s}.nav-item:hover{background:#ffffff0f;color:#fff}.nav-item.active{background:#e5231b38;color:#ff8a80}.nav-icon{font-size:16px}.logout-btn{background:none;border:1px solid rgba(255,255,255,.12);border-radius:8px;color:var(--sidebar-text);cursor:pointer;padding:10px;font-size:14px;font-weight:500;transition:background .15s,color .15s}.logout-btn:hover{background:#ffffff0f;color:#fff}.main-content{flex:1;overflow-y:auto}.page{padding:32px;max-width:1100px}.page-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px}.page-header h1{font-size:22px;font-weight:700}.page-loading{display:flex;justify-content:center;padding:80px}.card{background:var(--surface);border-radius:var(--radius);border:1px solid var(--border);padding:24px;box-shadow:var(--shadow)}.card.mb{margin-bottom:20px}.card-title{font-size:15px;font-weight:600;margin-bottom:20px;color:var(--ink)}.cards-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}.cards-grid-2{grid-template-columns:1fr 1fr}@media (max-width: 860px){.cards-grid,.cards-grid-2{grid-template-columns:1fr}}.field{margin-bottom:16px}.field:last-child{margin-bottom:0}.field label{display:block;font-size:13px;font-weight:500;color:var(--ink-2);margin-bottom:6px}.field input,.field textarea,.field select{width:100%;padding:9px 12px;border:1px solid var(--border);border-radius:8px;font-size:14px;font-family:inherit;color:var(--ink);background:var(--surface);transition:border-color .15s,box-shadow .15s}.field input:focus,.field textarea:focus,.field 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.15s}.btn-primary:hover{opacity:.88}.btn-primary:disabled{opacity:.5;cursor:not-allowed}.btn-primary.btn-full{width:100%;padding:12px}.btn-ghost{background:none;border:1px solid var(--border);color:var(--ink-2);padding:9px 16px;border-radius:8px;font-size:14px;font-weight:500;cursor:pointer;transition:background .15s}.btn-ghost:hover{background:var(--bg)}.btn-danger{background:none;border:1px solid #FCA5A5;color:#ef4444;padding:8px 14px;border-radius:8px;font-size:13px;font-weight:500;cursor:pointer;transition:background .15s}.btn-danger:hover{background:#fef2f2}.btn-icon{background:none;border:1px solid var(--border);color:var(--ink-2);cursor:pointer;padding:6px 9px;font-size:13px;border-radius:6px;transition:background .15s}.btn-icon:hover{background:var(--bg)}.btn-icon:disabled{opacity:.35;cursor:not-allowed}.btn-icon-danger{background:none;border:none;color:#ef4444;cursor:pointer;padding:4px 8px;font-size:14px;border-radius:6px;transition:background .15s}.btn-icon-danger:hover{background:#fef2f2}.form-actions{display:flex;gap:10px;justify-content:flex-end;margin-top:20px}.login-screen{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--sidebar-bg)}.login-card{background:var(--surface);border-radius:16px;padding:40px;width:100%;max-width:400px;box-shadow:var(--shadow-md)}.login-logo{display:flex;flex-direction:column;align-items:center;gap:10px;margin-bottom:32px}.login-logo-img{width:160px;object-fit:contain}.login-sub{font-size:13px;color:var(--ink-2)}.sidebar-logo{width:140px;object-fit:contain}.login-form .field{margin-bottom:18px}.error-msg{color:#ef4444;font-size:13px;margin-bottom:12px}.tabs{display:flex;gap:4px;margin-bottom:16px}.tab-btn{padding:8px 18px;border-radius:8px;border:1px solid var(--border);background:var(--surface);color:var(--ink-2);font-size:13px;font-weight:500;cursor:pointer;transition:background .15s,color .15s,border-color .15s}.tab-btn:hover{background:var(--bg);color:var(--ink)}.tab-btn.active{background:var(--brand);color:#fff;border-color:var(--brand)}.tab-card{max-width:600px}.tab-card:has(.tab-split){max-width:900px}.tab-split{display:grid;grid-template-columns:1fr 280px;gap:40px;align-items:start}.tab-split-preview{background:var(--bg);border-radius:10px;border:1px dashed var(--border);padding:24px;display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:180px;gap:12px}.preview-label{font-size:12px;font-weight:500;color:var(--ink-2);text-transform:uppercase;letter-spacing:.06em}.logo-preview-img{max-width:100%;max-height:160px;object-fit:contain}.logo-preview-empty{font-size:13px;color:var(--ink-2);text-align:center}@media (max-width: 860px){.tab-split{grid-template-columns:1fr}}.item-list{display:flex;flex-direction:column;gap:12px}.item-card{display:flex;align-items:center;gap:16px;background:var(--surface);border:1px solid 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90px;gap:8px}.item-title{font-weight:600;font-size:14px;margin-bottom:2px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.item-sub{font-size:12px;color:var(--ink-2);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.item-actions{display:flex;gap:6px;flex-shrink:0}.play-btn{width:48px;height:48px;border-radius:999px;background:var(--brand);border:none;color:#fff;font-size:18px;cursor:pointer;display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:opacity .15s,transform .15s;box-shadow:0 4px 12px #e5231b59}.play-btn:hover{opacity:.88;transform:scale(1.05)}.play-btn.playing{background:var(--ink);box-shadow:0 4px 12px #0003}.upload-dropzone{border:1.5px dashed var(--border);border-radius:10px;padding:20px;text-align:center;cursor:pointer;background:var(--bg);transition:border-color .15s,background .15s}.upload-dropzone:hover{border-color:var(--brand)}.upload-dropzone.uploading{opacity:.6;cursor:wait}.upload-preview{width:100%;max-height:160px;object-fit:contain;border-radius:8px;margin-bottom:10px}.empty-state{text-align:center;color:var(--ink-2);padding:48px}.empty-state.small{padding:24px}.cooldown-banner{background:#fff7ed;border:1px solid #FED7AA;color:#c2410c;border-radius:8px;padding:10px 14px;font-size:13px;margin-bottom:14px}.result-banner{border-radius:8px;padding:10px 14px;font-size:13px;margin-bottom:14px}.result-ok{background:#f0fdf4;border:1px solid #BBF7D0;color:#15803d}.result-err{background:#fef2f2;border:1px solid #FECACA;color:#b91c1c}.notif-list{display:flex;flex-direction:column;gap:12px}.notif-item{padding:14px;background:var(--bg);border-radius:10px;border-left:3px solid var(--brand)}.notif-title{font-weight:600;font-size:14px;margin-bottom:3px}.notif-body{font-size:13px;color:var(--ink-2);margin-bottom:6px}.notif-date{font-size:11px;color:var(--ink-2)}.spinner{width:28px;height:28px;border-radius:999px;border:3px solid var(--border);border-top-color:var(--brand);animation:spin .7s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.loading-screen{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--bg)}