html,body,#app{height:100%}:root{color-scheme:dark;font-family:Segoe UI,SF Pro Display,Helvetica Neue,sans-serif;line-height:1.5;font-weight:400;background:radial-gradient(circle at top right,rgba(68,76,96,.32),transparent 38%),linear-gradient(180deg,#111720,#0b0f15);color:#e8eef8;--bg-panel: rgba(20, 27, 38, .9);--bg-panel-strong: rgba(14, 20, 29, .96);--bg-surface: rgba(30, 39, 53, .82);--bg-surface-hover: rgba(38, 49, 67, .92);--border: rgba(157, 173, 196, .15);--border-strong: rgba(157, 173, 196, .28);--button-hover-top: rgba(86, 109, 144, .96);--button-hover-bottom: rgba(56, 72, 96, .96);--button-primary-hover-top: rgba(111, 154, 214, .98);--button-primary-hover-bottom: rgba(72, 114, 178, .98);--text-muted: #a2aec2;--shadow: 0 18px 48px rgba(0, 0, 0, .32);--radius: 14px;--radius-sm: 9px}*{box-sizing:border-box}[hidden]{display:none!important}body{margin:0;min-height:100vh;overflow:hidden}button,select{font:inherit}button{border:1px solid var(--border-strong);background:linear-gradient(180deg,#3a4961d1,#262f40d1);color:#edf3ff;border-radius:11px;padding:.7rem 1rem;cursor:pointer;transition:background .14s ease,border-color .12s ease,color .12s ease,box-shadow .14s ease}button:hover:not(:disabled){background:linear-gradient(180deg,var(--button-hover-top),var(--button-hover-bottom));border-color:#bdd1f16b;color:#fff;box-shadow:inset 0 1px #ffffff0f}button:focus-visible,select:focus-visible{outline:2px solid rgba(123,178,255,.9);outline-offset:2px}button:disabled{cursor:not-allowed;opacity:.55}select{border:1px solid var(--border);background:#0c121aeb;color:inherit;border-radius:var(--radius-sm);padding:.55rem .75rem;transition:background-color .12s ease,border-color .12s ease,color .12s ease}select:hover:not(:disabled){background:#192330f5;border-color:#bdd1f147}#app{min-height:100vh;padding:1rem 1.25rem}.app-shell{width:min(100%,1680px);min-height:calc(100vh - 2rem);height:calc(100vh - 2rem);margin:0 auto;display:grid;grid-template-rows:auto minmax(0,1fr) auto;gap:1rem}.header,.status-bar{background:var(--bg-panel);border:1px solid var(--border);border-radius:var(--radius);padding:1rem 1.25rem;box-shadow:var(--shadow);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}.header h1{margin:0;font-size:clamp(1.55rem,2.1vw,2.2rem);letter-spacing:.02em}.header p,.status-message,.row-caption,.row-note,.summary-card span,.empty-preview{margin:0;color:var(--text-muted)}.status-message-error{color:#ff7a7a;font-weight:700}.content-grid{display:grid;gap:1rem;grid-template-columns:minmax(780px,1.35fr) minmax(420px,.9fr);align-items:stretch;min-height:0}.panel{background:var(--bg-panel);border:1px solid var(--border);border-radius:var(--radius);padding:1rem;box-shadow:var(--shadow);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);min-height:0;overflow:hidden}.app-shell-busy .panel,.app-shell-busy .header,.app-shell-busy .status-bar{border-color:#7bb2ff3d}.panel h2{margin:0 0 .25rem;font-size:1.05rem}.routing-panel{display:grid;grid-template-rows:auto auto minmax(0,1fr)}.preview-panel{display:flex}.rows{display:grid;gap:.75rem;margin-top:.8rem;grid-template-columns:repeat(2,minmax(0,1fr));align-content:start;min-height:0;overflow:auto;padding-right:.25rem}.channel-row{border:1px solid var(--border);border-radius:12px;background:var(--bg-surface);padding:.9rem;display:grid;gap:.7rem;transition:border-color .12s ease,background-color .12s ease}.row-overview{display:grid;grid-template-columns:minmax(0,1fr) 7.2rem;grid-template-rows:auto auto;gap:.3rem .8rem;align-items:start}.channel-row.drop-active{border-color:#7ab1ffb3;background:var(--bg-surface-hover)}.row-heading,.row-actions,.preview-meta{display:flex;align-items:center;justify-content:space-between;gap:.75rem;flex-wrap:wrap}.row-heading{align-items:flex-start;grid-column:1;grid-row:1}.row-preview-frame{width:7.2rem;height:7.2rem;border-radius:10px;border:1px solid var(--border);background:#080d14eb;overflow:hidden;flex:0 0 auto;grid-column:2;grid-row:1 / span 2;justify-self:end}.row-preview-frame[data-channel=a]{background:linear-gradient(45deg,rgba(255,255,255,.08) 25%,transparent 25%,transparent 75%,rgba(255,255,255,.08) 75%),linear-gradient(45deg,rgba(255,255,255,.08) 25%,transparent 25%,transparent 75%,rgba(255,255,255,.08) 75%),#121a25f5;background-position:0 0,8px 8px,0 0;background-size:16px 16px,16px 16px,auto}.row-preview-canvas{display:block;width:100%;height:100%;image-rendering:auto}.channel-badge{width:2.1rem;height:2.1rem;border-radius:999px;display:inline-flex;align-items:center;justify-content:center;font-weight:700;letter-spacing:.04em;color:#0b0f15}.channel-badge[data-channel=r]{background:#ff6f7b}.channel-badge[data-channel=g]{background:#72e49b}.channel-badge[data-channel=b]{background:#7cb8ff}.channel-badge[data-channel=a]{background:#f0f3f8}.row-title{display:grid;gap:.08rem;flex:1;min-width:0}.row-title h3{margin:0;font-size:.98rem}.file-name{min-height:1.05rem;word-break:break-all;font-size:.92rem;margin:0;grid-column:1;grid-row:2}.row-controls{display:flex;align-items:center;gap:.55rem;flex-wrap:wrap}.row-note,.row-caption{font-size:.9rem}button{padding:.6rem .95rem}select{padding:.5rem .7rem}.ghost-button{background:#111822b8}.ghost-button:hover:not(:disabled){background:#1f2a3aeb}.primary-button{width:100%;justify-content:center;background:linear-gradient(180deg,#6088bff2,#355b94f2);font-weight:600;border-radius:12px}.primary-button:hover:not(:disabled){background:linear-gradient(180deg,var(--button-primary-hover-top),var(--button-primary-hover-bottom));border-color:#c4dcff7a}.preview-stack{display:grid;gap:.8rem;height:100%;width:100%;grid-template-rows:auto auto 1fr auto;min-height:0}.summary-grid{display:grid;gap:.8rem;grid-template-columns:repeat(2,minmax(0,1fr))}.summary-card{border:1px solid var(--border);border-radius:10px;padding:.8rem;background:var(--bg-panel-strong);display:grid;gap:.25rem}.summary-card strong{font-size:1.05rem}.preview-frame{min-height:clamp(240px,34vh,420px);border-radius:14px;border:1px solid var(--border);background:linear-gradient(45deg,rgba(255,255,255,.03) 25%,transparent 25%,transparent 75%,rgba(255,255,255,.03) 75%),linear-gradient(45deg,rgba(255,255,255,.03) 25%,transparent 25%,transparent 75%,rgba(255,255,255,.03) 75%),#0e141df5;background-position:0 0,16px 16px,0 0;background-size:32px 32px,32px 32px,auto;display:grid;place-items:center;padding:1rem;overflow:hidden;position:relative}.preview-image,.preview-canvas{display:block;max-width:100%;max-height:100%;border-radius:8px;box-shadow:0 18px 42px #00000057}.preview-canvas{width:auto;height:auto}.loader-overlay{position:absolute;inset:0;display:grid;place-content:center;gap:.85rem;justify-items:center;background:#060a109e;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);color:#f4f8ff;font-weight:600;letter-spacing:.01em}.loader-spinner{width:2.6rem;height:2.6rem;border-radius:999px;border:3px solid rgba(255,255,255,.16);border-top-color:#7bb2ffeb;animation:spin .9s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.status-bar{display:flex;align-items:center;justify-content:space-between;gap:1rem;flex-wrap:wrap;padding-block:.85rem}.status-meta{display:flex;align-items:center;gap:1rem;flex-wrap:wrap}.status-links{display:flex;align-items:center;gap:.8rem}.status-links a{color:#bbd9ffeb;text-decoration:none;border-bottom:1px solid transparent;transition:color .12s ease,border-color .12s ease}.status-links a:hover,.status-links a:focus-visible{color:#fff;border-bottom-color:#bbd9ffeb}.rows::-webkit-scrollbar{width:10px}.rows::-webkit-scrollbar-track{background:#10182366;border-radius:999px}.rows::-webkit-scrollbar-thumb{background:#5c7494b3;border-radius:999px}@media(max-width:980px){#app{padding:1rem}body{overflow:auto}.app-shell{min-height:auto;height:auto}.content-grid{grid-template-columns:1fr}.rows{grid-template-columns:1fr;overflow:visible;padding-right:0}.row-overview{grid-template-columns:minmax(0,1fr) 6rem}.row-preview-frame{width:6rem;height:6rem}.preview-frame{min-height:260px}}