:root {
  --bg: #121214;
  --bg-2: #18181b;
  --card: #1d1d21;
  --card-2: #242429;
  --line: #2c2c32;
  --text: #e7e7ea;
  --muted: #8a8a92;
  --dim: #5a5a62;
  --red: #d92632;
  --red-2: #ff3b47;
  --red-dim: #7a1e26;
  --mono: ui-monospace, "SF Mono", "Cascadia Mono", Consolas, monospace;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html, body { height: 100%; }
body {
  background: var(--bg);
  color: var(--text);
  font: 14px/1.5 -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
}
button { font: inherit; cursor: pointer; }
input { font: inherit; }
[hidden] { display: none !important; }

/* ---------- HEADER ---------- */
.topbar {
  height: 64px;
  display: flex;
  align-items: center;
  gap: 32px;
  padding: 0 20px;
  background: linear-gradient(180deg, #1a1a1e 0%, #161619 100%);
  border-bottom: 1px solid var(--line);
  position: sticky; top: 0; z-index: 20;
}
.brand { flex: none; }
.brand-title { font-size: 19px; font-weight: 800; letter-spacing: 0.5px; }
.brand-live { color: var(--red-2); }
.brand-sub { font-size: 11px; color: var(--dim); letter-spacing: 1px; margin-top: -2px; }

.sysbar {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 22px;
  justify-content: flex-end;
  overflow: hidden;
}
.sys-item { display: flex; align-items: center; gap: 8px; }
.sys-label { font: 10px var(--mono); color: var(--dim); letter-spacing: 1px; }
.sys-val { font: 12px var(--mono); color: var(--muted); min-width: 52px; }
.sys-bar {
  width: 72px; height: 5px; border-radius: 3px;
  background: var(--card-2); overflow: hidden;
}
.sys-bar.big { width: 100%; height: 8px; }
.sys-fill {
  height: 100%; width: 0%;
  background: #6f6f78;
  border-radius: 3px;
  transition: width .5s ease, background .5s ease;
}
.sys-fill.warn { background: #c77b2b; }
.sys-fill.hot { background: var(--red); }
.sys-fill.red { background: var(--red); }

/* ---------- LAYOUT ---------- */
.layout { display: flex; min-height: calc(100vh - 64px); }
.sidebar {
  width: 220px; flex: none;
  background: var(--bg-2);
  border-right: 1px solid var(--line);
  padding: 14px 10px;
  display: flex; flex-direction: column; gap: 4px;
}
.nav-btn {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 12px;
  background: none; border: none; border-radius: 8px;
  color: var(--muted); text-align: left;
}
.nav-btn:hover { background: var(--card); color: var(--text); }
.nav-btn.active { background: var(--card); color: var(--text); }
.nav-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--dim); flex: none; }
.nav-btn.active .nav-dot { background: var(--red-2); box-shadow: 0 0 8px var(--red-dim); }
.nav-count { margin-left: auto; font: 11px var(--mono); color: var(--dim); }
.nav-logout { margin-top: auto; color: var(--dim); }
.nav-logout:hover { color: var(--red-2); background: var(--card); }
.nav-logout .nav-dot { background: var(--red-dim); }

.content { flex: 1; padding: 24px 28px; min-width: 0; }
.view-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 20px; }
.view-head h2 { font-size: 17px; font-weight: 700; }

/* ---------- BUTTONS ---------- */
.btn {
  border: 1px solid var(--line);
  background: var(--card);
  color: var(--text);
  padding: 8px 16px;
  border-radius: 8px;
}
.btn:hover { background: var(--card-2); }
.btn-red { background: var(--red); border-color: var(--red); color: #fff; font-weight: 600; }
.btn-red:hover { background: var(--red-2); border-color: var(--red-2); }
.btn-red:disabled { background: var(--red-dim); border-color: var(--red-dim); cursor: default; }
.btn-ghost { background: none; }
.btn-big { padding: 12px 24px; font-size: 15px; }
.btn-stop {
  background: none; border: 1px solid var(--red);
  color: var(--red-2); border-radius: 7px; padding: 6px 14px; font-weight: 600;
}
.btn-stop:hover { background: var(--red); color: #fff; }

/* ---------- GRID / CARDS ---------- */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 16px;
}
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  overflow: hidden;
}
.card-thumb {
  height: 150px; background: #0c0c0e center/cover no-repeat;
  display: flex; align-items: center; justify-content: center;
  color: var(--dim); font: 11px var(--mono);
  position: relative;
}
.live-badge {
  position: absolute; top: 10px; left: 10px;
  background: var(--red); color: #fff;
  font: 700 10px var(--mono); letter-spacing: 1px;
  padding: 3px 8px; border-radius: 5px;
  display: flex; align-items: center; gap: 6px;
}
.live-badge::before {
  content: ""; width: 6px; height: 6px; border-radius: 50%;
  background: #fff; animation: pulse 1.4s infinite;
}
@keyframes pulse { 0%,100% { opacity: 1 } 50% { opacity: .25 } }
@media (prefers-reduced-motion: reduce) { .live-badge::before { animation: none; } }

.card-body { padding: 12px 14px 14px; }
.card-title { font-weight: 700; margin-bottom: 4px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.card-sub { color: var(--muted); font-size: 12px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.card-row {
  margin-top: 12px;
  display: flex; align-items: center; justify-content: space-between; gap: 10px;
}
.timer { font: 700 16px var(--mono); color: var(--red-2); }
.card-meta { font: 11px var(--mono); color: var(--dim); margin-top: 6px; }

.status-pill {
  display: inline-block; font: 600 10px var(--mono); letter-spacing: .5px;
  padding: 3px 8px; border-radius: 5px; margin-top: 8px;
}
.st-ready { background: #1d2b20; color: #5fc06f; }
.st-optimizing { background: #2b2417; color: #d8a04a; }
.st-error { background: #2c181a; color: var(--red-2); }

.icon-del {
  background: none; border: none; color: var(--dim); font-size: 15px; padding: 4px 6px;
}
.icon-del:hover { color: var(--red-2); }

/* ---------- EMPTY ---------- */
.empty { text-align: center; padding: 90px 0; }
.empty-title { color: var(--muted); margin-bottom: 18px; font-size: 15px; }

/* ---------- UPLOAD ---------- */
.upload-progress {
  background: var(--card); border: 1px solid var(--line); border-radius: 10px;
  padding: 14px 16px; margin-bottom: 18px;
  display: flex; align-items: center; gap: 14px;
}
.up-name { flex: none; max-width: 260px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; color: var(--muted); font-size: 13px; }
.up-pct { flex: none; font: 12px var(--mono); color: var(--muted); width: 42px; text-align: right; }

/* ---------- ARCHIVE ---------- */
.archive-list { display: flex; flex-direction: column; gap: 10px; }
.arc-item {
  display: flex; gap: 14px; align-items: center;
  background: var(--card); border: 1px solid var(--line); border-radius: 10px;
  padding: 10px 14px;
}
.arc-thumb {
  width: 96px; height: 54px; flex: none; border-radius: 6px;
  background: #0c0c0e center/cover no-repeat;
}
.arc-info { min-width: 0; flex: 1; }
.arc-title { font-weight: 700; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.arc-sub { color: var(--muted); font-size: 12px; margin-top: 2px; }
.arc-times { flex: none; text-align: right; font: 11px var(--mono); color: var(--dim); line-height: 1.7; }
.arc-dur { font: 700 14px var(--mono); color: var(--text); }

/* ---------- LOGS ---------- */
.logbox {
  background: #0e0e10; border: 1px solid var(--line); border-radius: 10px;
  padding: 14px 16px;
  font: 12px/1.7 var(--mono);
  color: #b9b9c0;
  height: calc(100vh - 190px);
  overflow-y: auto;
  white-space: pre-wrap; word-break: break-word;
}

/* ---------- MODAL ---------- */
.modal-back {
  position: fixed; inset: 0; z-index: 50;
  background: rgba(8, 8, 10, .72);
  display: flex; align-items: center; justify-content: center;
  padding: 20px;
}
.modal {
  width: 100%; max-width: 520px;
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-top: 2px solid var(--red);
  border-radius: 14px;
  padding: 22px 24px;
}
.modal-head { font-size: 17px; font-weight: 800; margin-bottom: 18px; }
.field { display: block; margin-bottom: 16px; }
.field > span { display: block; font-size: 12px; color: var(--muted); margin-bottom: 6px; }
.field input {
  width: 100%;
  background: var(--card); border: 1px solid var(--line); border-radius: 8px;
  color: var(--text); padding: 10px 12px; outline: none;
}
.field input:focus { border-color: var(--red); }
.video-pick {
  max-height: 220px; overflow-y: auto;
  border: 1px solid var(--line); border-radius: 8px;
  background: var(--card);
}
.vp-item {
  display: flex; align-items: center; gap: 10px;
  padding: 8px 10px; cursor: pointer;
  border-bottom: 1px solid var(--line);
}
.vp-item:last-child { border-bottom: none; }
.vp-item:hover { background: var(--card-2); }
.vp-item.selected { background: var(--red-dim); }
.vp-thumb { width: 56px; height: 32px; border-radius: 4px; background: #0c0c0e center/cover no-repeat; flex: none; }
.vp-name { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 13px; }
.vp-dur { font: 11px var(--mono); color: var(--dim); flex: none; }
.vp-empty { padding: 16px; color: var(--dim); text-align: center; font-size: 13px; }
.modal-err { color: var(--red-2); font-size: 13px; margin-bottom: 12px; }
.modal-actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 4px; }

/* ---------- RESPONSIVE ---------- */
@media (max-width: 900px) {
  .sysbar { gap: 12px; }
  .sys-bar { width: 46px; }
  .sys-item.sys-plain { display: none; }
}
@media (max-width: 700px) {
  .layout { flex-direction: column; }
  .sidebar { width: 100%; flex-direction: row; overflow-x: auto; border-right: none; border-bottom: 1px solid var(--line); }
  .nav-btn { white-space: nowrap; }
  .sysbar { display: none; }
}