:root{--white: #ffffff;--black: #0a0a0a;--brand: #414d81;--brand-dark: #333c68;--brand-tint: #eef0f7;--gray-50: #f7f7f8;--gray-100: #eef0f3;--gray-200: #e1e3e8;--gray-400: #9a9ea8;--gray-600: #5b5f68;--text: var(--black);--text-muted: var(--gray-600);--line: var(--gray-200);--danger: #c0392b;--danger-tint: #fbeae7;--radius: 12px;--shadow: 0 1px 2px rgba(10, 10, 10, .04), 0 6px 18px -10px rgba(10, 10, 10, .12);--font-display: "Space Grotesk", "Inter", sans-serif;--font-body: "Inter", sans-serif;--font-mono: "JetBrains Mono", monospace}*{box-sizing:border-box}html,body{margin:0;padding:0;background:var(--white);color:var(--text);font-family:var(--font-body);-webkit-font-smoothing:antialiased}h1,h2,h3{font-family:var(--font-display);letter-spacing:-.01em;color:var(--black);margin:0 0 .3em;font-weight:600}a{color:inherit}button,input,select{font-family:inherit;font-size:inherit}:focus-visible{outline:2px solid var(--brand);outline-offset:2px}.app-shell{min-height:100vh;display:flex;flex-direction:column}.brand-mark{display:inline-flex;align-items:flex-end;justify-content:center;gap:3px;width:28px;height:28px;border-radius:8px;background:var(--brand);padding:6px;flex-shrink:0}.brand-mark i{display:block;width:3px;background:var(--white);border-radius:1px}.brand-mark i:nth-child(1){height:38%}.brand-mark i:nth-child(2){height:100%}.brand-mark i:nth-child(3){height:62%}.brand-mark-lg{width:48px;height:48px;border-radius:12px;padding:10px;gap:5px}.brand-mark-lg i{width:5px}.topbar{background:var(--black);padding:0 28px;height:64px;display:flex;align-items:center;justify-content:space-between;border-bottom:2px solid var(--brand)}.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--white)}.brand-name{font-family:var(--font-display);font-weight:600;font-size:1.1rem}.app-main{flex:1;max-width:980px;width:100%;margin:0 auto;padding:36px 24px 80px}.subtle{color:var(--text-muted);font-size:.92rem}.dashboard-header{display:flex;align-items:flex-start;justify-content:space-between;gap:20px;margin-bottom:28px}.dashboard-header h1{font-size:1.7rem}.dashboard-header p{max-width:46ch}.screen-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:14px;margin-top:24px}.screen-card{display:block;background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:16px;text-decoration:none;color:var(--text);transition:border-color .12s ease,transform .12s ease}.screen-card:hover{border-color:var(--brand);transform:translateY(-1px)}.screen-card-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px}.screen-code{font-family:var(--font-mono);font-weight:600;font-size:1.05rem;letter-spacing:.1em;background:var(--brand);color:var(--white);padding:3px 8px;border-radius:6px}.screen-code-lg{font-size:1.5rem;padding:6px 12px}.badge{font-family:var(--font-mono);font-size:.74rem;color:var(--text-muted);background:var(--gray-50);border:1px solid var(--line);padding:3px 8px;border-radius:999px}.screen-card-name{font-size:1.02rem;margin-bottom:6px;font-weight:500}.screen-card-meta{display:flex;gap:6px;color:var(--text-muted);font-size:.84rem}.panel{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:24px;margin-bottom:20px}.panel-header-row{display:flex;align-items:baseline;justify-content:space-between;margin-bottom:14px}.empty-state{text-align:center;padding:56px 24px}.empty-state h2{margin-bottom:8px}.empty-state .brand-mark-lg{margin:0 auto 16px}.create-form{display:flex;flex-direction:column;gap:14px}.field{display:flex;flex-direction:column;gap:6px;font-size:.88rem;color:var(--black);font-weight:500}.field-row{display:flex;gap:14px}.field-row .field{flex:1}input[type=text],input[type=password],input[type=number],select{border:1px solid var(--line);border-radius:9px;padding:10px 12px;background:var(--white);color:var(--text)}input:focus,select:focus{border-color:var(--brand)}.form-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:4px}.btn-primary{background:var(--brand);color:var(--white);border:none;border-radius:9px;padding:10px 18px;font-weight:600;cursor:pointer}.btn-primary:hover{background:var(--brand-dark)}.btn-primary:disabled{opacity:.55;cursor:default}.btn-ghost{background:transparent;border:1px solid var(--line);border-radius:9px;padding:10px 16px;font-weight:600;color:var(--text);cursor:pointer}.btn-ghost:hover{border-color:var(--brand);color:var(--brand)}.btn-sm{padding:6px 12px;font-size:.84rem}.logout-btn{border-color:#ffffff40;color:#ffffffd9}.logout-btn:hover{border-color:var(--white);color:var(--white);background:#ffffff0f}.btn-danger-ghost{background:transparent;border:1px solid var(--danger);color:var(--danger);border-radius:9px;padding:8px 14px;font-weight:600;cursor:pointer}.btn-danger-ghost:hover{background:var(--danger-tint)}.alert-error{background:var(--danger-tint);border:1px solid var(--danger);color:var(--danger);padding:10px 14px;border-radius:9px;margin-bottom:16px;font-size:.9rem}.login-wrap{min-height:80vh;display:flex;align-items:center;justify-content:center;padding:24px}.login-form{width:100%;max-width:360px;text-align:center;display:flex;flex-direction:column;gap:14px}.login-form .brand-mark-lg{margin:0 auto}.login-form h1{font-size:1.4rem;margin:4px 0 0}.login-form .field{text-align:left}.back-link{display:inline-block;text-decoration:none;color:var(--text-muted);font-size:.9rem;margin-bottom:16px}.back-link:hover{color:var(--brand)}.screen-admin .screen-header{display:flex;gap:24px;align-items:flex-start}.screen-header-main{flex:1;display:flex;flex-direction:column;gap:8px}.screen-header-code-row{display:flex;align-items:center;gap:12px}.screen-name-input{font-family:var(--font-display);font-size:1.3rem;font-weight:600;border:none;background:transparent;padding:2px 0;border-bottom:2px solid transparent;width:100%;max-width:420px}.screen-name-input:hover,.screen-name-input:focus{border-bottom-color:var(--line);outline:none}.screen-header-side{display:flex;flex-direction:column;align-items:flex-end;gap:10px;white-space:nowrap}.player-link{font-size:.88rem;font-weight:600;color:var(--brand);text-decoration:none}.player-link:hover{color:var(--brand-dark)}.dropzone{border:1.5px dashed var(--line);border-radius:var(--radius);padding:36px 20px;text-align:center;cursor:pointer;transition:border-color .12s ease,background .12s ease}.dropzone:hover,.dropzone-active{border-color:var(--brand);background:var(--brand-tint)}.dropzone-title{font-weight:600;margin-bottom:4px}.upload-tasks{list-style:none;margin:14px 0 0;padding:0;display:flex;flex-direction:column;gap:8px}.upload-tasks li{display:flex;align-items:center;gap:10px;font-size:.86rem}.upload-task-name{flex-shrink:0;max-width:220px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.upload-progress{flex:1;height:6px;background:var(--gray-100);border-radius:999px;overflow:hidden}.upload-progress-bar{height:100%;background:var(--brand);transition:width .15s ease}.upload-task-error .upload-task-status{color:var(--danger)}.playlist{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px}.playlist-item{display:grid;grid-template-columns:64px 1fr auto auto auto;align-items:center;gap:14px;border:1px solid var(--line);border-radius:10px;padding:10px 12px}.playlist-thumb{position:relative;width:64px;height:40px;border-radius:6px;overflow:hidden;background:var(--gray-100)}.playlist-thumb img,.playlist-thumb video{width:100%;height:100%;object-fit:cover}.media-type-tag{position:absolute;bottom:2px;right:2px;font-family:var(--font-mono);font-size:.6rem;text-transform:uppercase;background:#0a0a0abf;color:var(--white);padding:1px 4px;border-radius:3px}.playlist-info{display:flex;flex-direction:column;gap:2px;min-width:0}.playlist-filename{font-weight:500;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.playlist-duration{display:flex;align-items:center;gap:6px;font-size:.82rem;color:var(--text-muted)}.playlist-duration input{width:56px;padding:6px 8px;text-align:right}.playlist-reorder{display:flex;gap:4px}.playlist-reorder button{width:28px;height:28px;border-radius:6px;border:1px solid var(--line);background:var(--white);cursor:pointer}.playlist-reorder button:hover:not(:disabled){border-color:var(--brand)}.playlist-reorder button:disabled{opacity:.35;cursor:default}@media (max-width: 640px){.playlist-item{grid-template-columns:1fr;grid-template-areas:"thumb info" "duration reorder" "delete delete"}.screen-admin .screen-header{flex-direction:column}.screen-header-side{align-items:flex-start}}.player-stage{position:fixed;top:0;right:0;bottom:0;left:0;background:var(--black);overflow:hidden}.player-frame{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;transition:opacity .5s ease}.player-frame img,.player-frame video{max-width:100%;max-height:100%;width:100%;height:100%;object-fit:contain}.player-message{display:flex;align-items:center;justify-content:center;text-align:center;color:var(--white);font-family:var(--font-body)}.player-message h1{color:var(--white);font-size:1.5rem}.player-message p{color:#fff9}.player-message .brand-mark-lg{margin:0 auto 16px}