/* ── Design Tokens ───────────────────────────────────────────────────────── */
:root {
  --bg:         #09090b;  /* zinc-950 */
  --surface:    #18181b;  /* zinc-900 */
  --surface2:   #27272a;  /* zinc-800 — elevated */
  --border:     #27272a;  /* zinc-800 */
  --border2:    #3f3f46;  /* zinc-700 — hover borders */
  --fg:         #f4f4f5;  /* zinc-100 */
  --fg2:        #a1a1aa;  /* zinc-400 — secondary text */
  --muted:      #71717a;  /* zinc-500 — placeholders */
  --brand:      #10b981;  /* emerald-500 */
  --brand-hov:  #059669;  /* emerald-600 */
  --brand-dim:  #064e3b;  /* emerald-950 — subtle bg */
  --danger:     #f43f5e;  /* rose-500 */
  --warning:    #f59e0b;  /* amber-500 */
  --success:    #10b981;  /* same as brand */
  --radius:     8px;
  --radius-sm:  5px;
  --radius-lg:  12px;
  --font-mono:  'SF Mono', 'Fira Code', 'Cascadia Code', Consolas, monospace;
}

/* ── Reset ───────────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 14px; scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--fg);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  line-height: 1.5;
  min-height: 100vh;
}
a { color: var(--brand); text-decoration: none; }
a:hover { text-decoration: underline; }
button { cursor: pointer; font-family: inherit; }
input, textarea, select { font-family: inherit; }

/* ── Top Bar ─────────────────────────────────────────────────────────────── */
.topbar {
  position: sticky; top: 0; z-index: 100;
  display: flex; align-items: center; gap: 12px;
  height: 48px; padding: 0 16px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}

.topbar-logo {
  display: flex; align-items: center; gap: 8px;
  color: var(--brand); font-size: 15px; font-weight: 600;
  text-decoration: none; flex-shrink: 0;
}
.topbar-logo:hover { text-decoration: none; color: var(--brand-hov); }
.topbar-logo strong { color: var(--fg); }

.topbar-nav {
  display: flex; align-items: center; gap: 4px; flex: 1;
}
.topbar-link {
  padding: 4px 10px; border-radius: var(--radius-sm);
  color: var(--fg2); font-size: 13px;
}
.topbar-link:hover { color: var(--fg); background: var(--surface2); text-decoration: none; }

.topbar-auth {
  display: flex; align-items: center; gap: 8px; flex-shrink: 0;
}
.topbar-user {
  display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--fg2);
}
.topbar-user strong { color: var(--fg); }

/* ── Layout ──────────────────────────────────────────────────────────────── */
.app-layout {
  display: flex;
  min-height: calc(100vh - 48px);
}

/* ── Sidebar ─────────────────────────────────────────────────────────────── */
.sidebar {
  width: 200px; flex-shrink: 0;
  background: var(--surface);
  border-right: 1px solid var(--border);
  display: flex; flex-direction: column;
  padding: 16px 8px;
}
.sidebar-section-label {
  padding: 4px 10px;
  font-size: 11px; font-weight: 600; text-transform: uppercase;
  letter-spacing: .06em; color: var(--muted);
}
.sidebar-item {
  display: flex; align-items: center; gap: 9px;
  padding: 7px 10px; border-radius: var(--radius-sm);
  color: var(--fg2); font-size: 13px;
  transition: background .12s, color .12s;
}
.sidebar-item:hover { background: var(--surface2); color: var(--fg); text-decoration: none; }
.sidebar-item.active { background: var(--brand-dim); color: var(--brand); }
.sidebar-item.disabled { opacity: .45; pointer-events: none; }
.badge-soon {
  margin-left: auto; padding: 1px 6px; border-radius: 99px;
  background: var(--surface2); color: var(--muted); font-size: 10px;
}

.sidebar-credits {
  margin-top: auto; padding: 12px 10px;
  background: var(--brand-dim); border-radius: var(--radius);
  border: 1px solid #065f46;
}
.credits-label { font-size: 11px; color: var(--brand); font-weight: 600; text-transform: uppercase; letter-spacing: .06em; }
.credits-value {
  font-size: 26px; font-weight: 700; color: var(--fg);
  font-family: var(--font-mono); margin: 2px 0 10px;
}
.btn-full { width: 100%; }

/* ── Main Content ────────────────────────────────────────────────────────── */
.main-content {
  flex: 1; min-width: 0;
  padding: 20px 24px;
  overflow-x: auto;
}

/* ── Buttons ─────────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 7px 14px; border-radius: var(--radius-sm);
  font-size: 13px; font-weight: 500; border: none;
  transition: background .12s, opacity .12s;
  white-space: nowrap;
}
.btn:disabled { opacity: .45; cursor: not-allowed; }
.btn-sm { padding: 4px 10px; font-size: 12px; }
.btn-brand { background: var(--brand); color: #fff; }
.btn-brand:hover:not(:disabled) { background: var(--brand-hov); }
.btn-outline {
  background: transparent; color: var(--fg2);
  border: 1px solid var(--border2);
}
.btn-outline:hover:not(:disabled) { color: var(--fg); border-color: var(--fg2); }
.btn-danger { background: var(--danger); color: #fff; }

/* ── Tabs ────────────────────────────────────────────────────────────────── */
.tabs {
  display: flex; gap: 4px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 20px;
}
.tab {
  display: inline-flex; align-items: center; gap: 7px;
  padding: 9px 14px; border: none; background: transparent;
  color: var(--fg2); font-size: 13px; font-weight: 500;
  border-bottom: 2px solid transparent; margin-bottom: -1px;
  transition: color .12s, border-color .12s;
}
.tab:hover { color: var(--fg); }
.tab.active { color: var(--brand); border-bottom-color: var(--brand); }

/* ── Input Card ──────────────────────────────────────────────────────────── */
.input-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 16px;
  margin-bottom: 16px;
}

.url-input {
  width: 100%; background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--fg); padding: 10px 12px;
  font-family: var(--font-mono); font-size: 12.5px;
  resize: vertical; min-height: 100px;
  transition: border-color .12s;
}
.url-input:focus { outline: none; border-color: var(--brand); }
.url-input::placeholder { color: var(--muted); }

.input-actions {
  display: flex; align-items: center; gap: 10px;
  margin-top: 10px; flex-wrap: wrap;
}
.input-hint { font-size: 12px; color: var(--fg2); font-family: var(--font-mono); }
.credit-hint { color: var(--warning); }
.input-row { display: flex; gap: 8px; }

/* Channel input */
.channel-input-row { align-items: center; }
.input-prefix {
  font-size: 15px; font-weight: 600; color: var(--muted);
  flex-shrink: 0; padding-left: 2px;
}
.channel-input {
  flex: 1; background: var(--bg);
  border: 1px solid var(--border); border-radius: var(--radius-sm);
  color: var(--fg); padding: 8px 12px;
  font-size: 14px; font-family: var(--font-mono);
  transition: border-color .12s;
}
.channel-input:focus { outline: none; border-color: var(--brand); }
.channel-input::placeholder { color: var(--muted); }

.channel-hint {
  margin-top: 8px; font-size: 12px; color: var(--fg2);
  display: flex; align-items: center; gap: 10px;
}

/* Loading dots animation */
.loading-dots::after {
  content: ''; animation: dots 1.5s steps(4, end) infinite;
}
@keyframes dots {
  0%,20%   { content: ''; }
  40%      { content: '.'; }
  60%      { content: '..'; }
  80%,100% { content: '...'; }
}

/* ── Status Bar ──────────────────────────────────────────────────────────── */
.status-bar {
  padding: 10px 14px; border-radius: var(--radius-sm);
  font-size: 13px; margin-bottom: 12px;
}
.status-bar.info    { background: var(--surface2); color: var(--fg2); }
.status-bar.success { background: #052e16; color: var(--brand); border: 1px solid #064e3b; }
.status-bar.error   { background: #1f0a0f; color: var(--danger); border: 1px solid #7f1d2a; }
.status-bar.warning { background: #1c1200; color: var(--warning); border: 1px solid #451a03; }

/* ── Results Table ───────────────────────────────────────────────────────── */
.results-toolbar {
  display: flex; align-items: center; gap: 10px;
  margin-bottom: 10px; flex-wrap: wrap;
}
.results-count { font-size: 12px; color: var(--fg2); font-family: var(--font-mono); }
.results-selected { font-size: 12px; color: var(--brand); font-family: var(--font-mono); }

/* Filter row */
.filter-row {
  display: flex; align-items: center; gap: 8px;
  flex-wrap: wrap; margin-bottom: 10px;
  padding: 10px 12px; background: var(--surface);
  border: 1px solid var(--border); border-radius: var(--radius-sm);
  font-size: 12px;
}
.filter-label { color: var(--fg2); flex-shrink: 0; }
.filter-input {
  width: 80px; background: var(--bg);
  border: 1px solid var(--border2); border-radius: var(--radius-sm);
  color: var(--fg); padding: 3px 7px; font-family: var(--font-mono); font-size: 12px;
}
.filter-select {
  background: var(--bg); border: 1px solid var(--border2); border-radius: var(--radius-sm);
  color: var(--fg); padding: 3px 6px; font-size: 12px;
}
.filter-clear { color: var(--danger); cursor: pointer; font-size: 11px; margin-left: auto; }
.filter-clear:hover { text-decoration: underline; }

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.results-table {
  width: 100%; border-collapse: collapse;
  font-size: 13px;
}
.results-table th {
  background: var(--surface); color: var(--fg2);
  padding: 9px 10px; text-align: left;
  font-weight: 600; font-size: 11px; text-transform: uppercase;
  letter-spacing: .05em; white-space: nowrap;
  border-bottom: 1px solid var(--border);
  user-select: none;
}
.results-table th.sortable { cursor: pointer; }
.results-table th.sortable:hover { color: var(--fg); }
.results-table th.sort-asc::after  { content: ' ↑'; color: var(--brand); }
.results-table th.sort-desc::after { content: ' ↓'; color: var(--brand); }

.results-table td {
  padding: 8px 10px;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}
.results-table tr:last-child td { border-bottom: none; }
.results-table tr:hover td { background: var(--surface); }
.results-table tr.selected td { background: rgba(16, 185, 129, .06); }

/* Thumbnail */
.thumb-cell { width: 52px; }
.thumb-cell img {
  width: 46px; height: 58px;
  object-fit: cover; border-radius: 4px;
  display: block;
}
.thumb-cell .thumb-placeholder {
  width: 46px; height: 58px; border-radius: 4px;
  background: var(--surface2);
  display: flex; align-items: center; justify-content: center;
  color: var(--muted); font-size: 18px;
}

/* Title cell */
.title-cell {
  max-width: 220px; overflow: hidden;
  text-overflow: ellipsis; white-space: nowrap;
  color: var(--fg);
}
.title-cell .author { font-size: 11px; color: var(--fg2); margin-top: 2px; }
.url-cell {
  max-width: 160px; overflow: hidden;
  text-overflow: ellipsis; white-space: nowrap;
  font-family: var(--font-mono); font-size: 11px; color: var(--muted);
}

/* Stat cells */
.stat-cell {
  font-family: var(--font-mono); font-size: 12px;
  color: var(--fg2); white-space: nowrap;
}

/* Error row */
.row-error td { color: var(--danger); opacity: .75; }
.row-error .error-msg { font-size: 11px; font-family: var(--font-mono); }

/* Action cells */
.action-cell { white-space: nowrap; }
.action-cell .btn { padding: 4px 9px; font-size: 12px; }
.dl-mp4 { background: #1e3a5f; color: #93c5fd; }
.dl-mp4:hover:not(:disabled) { background: #1d4ed8; color: #fff; }
.dl-mp3 { background: #3b1f5e; color: #c4b5fd; }
.dl-mp3:hover:not(:disabled) { background: #7c3aed; color: #fff; }

/* Bottom bar */
.results-bottom {
  display: flex; align-items: center; gap: 12px;
  margin-top: 14px; padding-top: 14px;
  border-top: 1px solid var(--border);
}
.btn-download-zip {
  background: var(--brand); color: #fff; padding: 8px 18px; font-size: 13px;
}
.btn-download-zip:hover:not(:disabled) { background: var(--brand-hov); }
.zip-info { font-size: 12px; color: var(--fg2); font-family: var(--font-mono); }

/* ── Forms ───────────────────────────────────────────────────────────────── */
.form-group {
  margin-bottom: 14px;
}
.form-group label {
  display: block; font-size: 12px; font-weight: 600;
  color: var(--fg2); margin-bottom: 5px;
}
.form-group .hint { font-weight: 400; color: var(--muted); }
.form-group input[type=email],
.form-group input[type=password] {
  width: 100%; background: var(--bg);
  border: 1px solid var(--border2); border-radius: var(--radius-sm);
  color: var(--fg); padding: 9px 12px; font-size: 13px;
  transition: border-color .12s;
}
.form-group input:focus { outline: none; border-color: var(--brand); }
.form-group input::placeholder { color: var(--muted); }

.form-check {
  display: flex; align-items: flex-start; gap: 9px;
}
.form-check input[type=checkbox] {
  flex-shrink: 0; margin-top: 2px; accent-color: var(--brand);
  width: 15px; height: 15px;
}
.form-check label { font-weight: 400; font-size: 12px; color: var(--fg2); }
.form-check label a { color: var(--brand); }

.form-error {
  font-size: 12px; color: var(--danger);
  min-height: 18px; margin-bottom: 10px;
}

/* ── Modal ───────────────────────────────────────────────────────────────── */
.modal-backdrop {
  position: fixed; inset: 0; z-index: 200;
  background: rgba(0,0,0,.75);
  display: flex; align-items: center; justify-content: center;
  padding: 16px;
}
.modal {
  background: var(--surface);
  border: 1px solid var(--border2);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  width: 100%; max-width: 400px;
  position: relative;
  box-shadow: 0 20px 60px rgba(0,0,0,.5);
}
.modal-close {
  position: absolute; top: 12px; right: 14px;
  background: none; border: none;
  color: var(--muted); font-size: 20px; line-height: 1;
}
.modal-close:hover { color: var(--fg); }

.auth-tabs {
  display: flex; gap: 0; margin-bottom: 20px;
  border-bottom: 1px solid var(--border);
}
.auth-tab {
  flex: 1; padding: 8px;
  background: none; border: none;
  color: var(--fg2); font-size: 13px; font-weight: 600;
  border-bottom: 2px solid transparent; margin-bottom: -1px;
  transition: color .12s, border-color .12s;
}
.auth-tab.active { color: var(--brand); border-bottom-color: var(--brand); }

.auth-form { }
.auth-title { font-size: 18px; font-weight: 700; margin-bottom: 4px; }
.auth-subtitle { font-size: 12px; color: var(--fg2); margin-bottom: 18px; }

/* ── Topup / Packages ────────────────────────────────────────────────────── */
.packages-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 10px; margin: 16px 0;
}
.package-card {
  background: var(--bg); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 14px 12px;
  text-align: center; cursor: pointer;
  transition: border-color .12s, background .12s;
}
.package-card:hover { border-color: var(--brand); background: var(--brand-dim); }
.package-credits { font-size: 20px; font-weight: 700; color: var(--brand); font-family: var(--font-mono); }
.package-label { font-size: 11px; color: var(--fg2); margin-top: 2px; }
.package-price { font-size: 13px; font-weight: 600; color: var(--fg); margin-top: 8px; }

.topup-note { font-size: 11px; color: var(--muted); text-align: center; }

/* ── Static Pages ────────────────────────────────────────────────────────── */
.static-page {
  max-width: 720px; margin: 0 auto;
}
.static-page h1 { font-size: 24px; margin-bottom: 6px; }
.static-page .meta { font-size: 12px; color: var(--muted); margin-bottom: 28px; }
.static-page h2 { font-size: 15px; font-weight: 700; margin: 22px 0 8px; color: var(--fg); }
.static-page p { color: var(--fg2); margin-bottom: 10px; line-height: 1.65; font-size: 13.5px; }
.static-page ul { color: var(--fg2); padding-left: 20px; margin-bottom: 10px; font-size: 13.5px; }
.static-page li { margin-bottom: 5px; line-height: 1.65; }
.static-page code { font-family: var(--font-mono); background: var(--surface2); padding: 1px 5px; border-radius: 3px; font-size: 12px; }
.static-page strong { color: var(--fg); }

/* ── Responsive ──────────────────────────────────────────────────────────── */
@media (max-width: 768px) {
  .sidebar { display: none; }
  .main-content { padding: 16px 14px; }
  .packages-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 480px) {
  .topbar-nav { display: none; }
  .packages-grid { grid-template-columns: 1fr; }
}