/* ── Tokens ───────────────────────────────────────────────── */
:root {
  --bg:          #080b12;
  --surface:     #0e1420;
  --surface2:    #141b28;
  --surface3:    #1a2235;
  --border:      #1e2a3d;
  --border2:     #253248;

  --blue:        #3b82f6;
  --blue-dark:   #2563eb;
  --blue-glow:   rgba(59,130,246,.18);
  --purple:      #8b5cf6;
  --purple-glow: rgba(139,92,246,.18);
  --green:       #10b981;
  --green-glow:  rgba(16,185,129,.15);
  --red:         #ef4444;
  --red-glow:    rgba(239,68,68,.15);

  --text:        #e8edf5;
  --text-2:      #94a3b8;
  --text-3:      #4a5568;

  --radius:      14px;
  --radius-sm:   8px;
  --font:        'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

/* ── Reset ────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

/* ── Background ───────────────────────────────────────────── */
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 14px;
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
}

.bg-grid {
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background-image:
    linear-gradient(rgba(59,130,246,.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(59,130,246,.03) 1px, transparent 1px);
  background-size: 40px 40px;
}

.bg-glow {
  position: fixed; top: -200px; left: 50%; transform: translateX(-50%);
  width: 800px; height: 500px; z-index: 0; pointer-events: none;
  background: radial-gradient(ellipse at center, rgba(59,130,246,.08) 0%, transparent 70%);
}

/* ── Login ────────────────────────────────────────────────── */
.login-screen {
  position: fixed; inset: 0; z-index: 100;
  display: flex; align-items: center; justify-content: center;
  padding: 16px;
}

.login-card {
  width: 100%; max-width: 380px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 36px 32px;
  box-shadow: 0 24px 64px rgba(0,0,0,.5);
  display: flex; flex-direction: column; gap: 6px;
  animation: fadeUp 0.3s ease;
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}

.login-logo {
  display: flex; align-items: center; gap: 10px;
  margin-bottom: 20px;
}

.login-title {
  font-size: 20px; font-weight: 800;
  color: var(--text); margin-bottom: 4px;
}

.login-desc {
  font-size: 13px; color: var(--text-2);
  margin-bottom: 20px;
}

.login-form {
  display: flex; flex-direction: column; gap: 10px;
}

.login-error {
  font-size: 12px; color: #fca5a5;
  background: var(--red-glow);
  border: 1px solid rgba(239,68,68,.3);
  border-radius: var(--radius-sm);
  padding: 8px 12px;
}

.login-footer {
  font-size: 11px; color: var(--text-3);
  text-align: center; margin-top: 16px;
}

/* ── Layout ───────────────────────────────────────────────── */
.app {
  position: relative; z-index: 1;
  max-width: 620px;
  margin: 0 auto;
  padding: 20px 16px 40px;
}

/* ── Header ───────────────────────────────────────────────── */
header {
  text-align: center;
  padding: 24px 0 20px;
}

.header-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 6px;
}

.btn-logout {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border2);
  background: var(--surface2);
  color: var(--text-2);
  font-family: var(--font); font-size: 12px; font-weight: 500;
  cursor: pointer; transition: all 0.2s;
}
.btn-logout:hover { color: var(--text); background: var(--surface3); }

.logo-wrap {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.logo-icon {
  width: 40px; height: 40px;
  border-radius: 10px;
  background: linear-gradient(135deg, #3b82f6, #8b5cf6);
  display: flex; align-items: center; justify-content: center;
  color: #fff;
  box-shadow: 0 0 24px rgba(59,130,246,.35);
}

.logo-name {
  font-size: 22px;
  font-weight: 800;
  letter-spacing: -0.5px;
  color: var(--text);
}

.logo-ai {
  background: linear-gradient(135deg, #3b82f6, #8b5cf6);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.tagline {
  color: var(--text-2);
  font-size: 13px;
  margin-bottom: 20px;
  max-width: 320px;
  margin-left: auto;
  margin-right: auto;
}

.header-stats {
  display: inline-flex;
  align-items: center;
  gap: 16px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 50px;
  padding: 10px 20px;
}

.stat { text-align: center; }

.stat-value {
  display: block;
  font-size: 14px;
  font-weight: 700;
  color: var(--text);
  line-height: 1.2;
}

.stat-label {
  display: block;
  font-size: 10px;
  color: var(--text-2);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.stat-divider {
  width: 1px; height: 28px;
  background: var(--border2);
}

/* ── Tabs ─────────────────────────────────────────────────── */
.tabs {
  display: flex;
  gap: 4px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 4px;
  margin-bottom: 20px;
}

.tab {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px 8px;
  background: none;
  border: none;
  border-radius: 9px;
  color: var(--text-2);
  font-family: var(--font);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
}

.tab:hover { color: var(--text); background: var(--surface2); }

.tab.active {
  background: linear-gradient(135deg, rgba(59,130,246,.15), rgba(139,92,246,.1));
  color: var(--text);
  border: 1px solid rgba(59,130,246,.25);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.05);
}

/* ── Cards ────────────────────────────────────────────────── */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 14px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  box-shadow: 0 4px 24px rgba(0,0,0,.2);
}

.card-header {
  display: flex;
  align-items: center;
  gap: 12px;
}

.card-icon {
  width: 38px; height: 38px;
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}

.card-icon.blue {
  background: var(--blue-glow);
  border: 1px solid rgba(59,130,246,.25);
  color: var(--blue);
}

.card-icon.purple {
  background: var(--purple-glow);
  border: 1px solid rgba(139,92,246,.25);
  color: var(--purple);
}

.card-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--text);
  line-height: 1.3;
}

.card-desc {
  font-size: 12px;
  color: var(--text-2);
  margin-top: 1px;
}

/* ── Inputs ───────────────────────────────────────────────── */
.field-label {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 11px;
  color: var(--text-2);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  margin-bottom: 6px;
}

.input-group {
  position: relative;
}

.input-icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-3);
  pointer-events: none;
}

.input-group .input { padding-left: 38px; }

.input {
  width: 100%;
  background: var(--surface2);
  border: 1px solid var(--border2);
  border-radius: var(--radius-sm);
  padding: 11px 13px;
  color: var(--text);
  font-family: var(--font);
  font-size: 14px;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.input::placeholder { color: var(--text-3); }

.input:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px var(--blue-glow);
}

/* ── Filters ─────────────────────────────────────────────── */
.filters-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.filter-item { display: flex; flex-direction: column; }

/* ── Buttons ─────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 18px;
  border-radius: var(--radius-sm);
  border: none;
  font-family: var(--font);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  text-align: center;
  text-decoration: none;
  transition: all 0.2s;
  width: 100%;
}

.btn:active { transform: scale(0.98); }
.btn:disabled { opacity: 0.45; cursor: not-allowed; }

.btn-primary {
  background: linear-gradient(135deg, var(--blue), var(--blue-dark));
  color: #fff;
  box-shadow: 0 4px 14px rgba(59,130,246,.3);
}

.btn-primary:hover:not(:disabled) {
  box-shadow: 0 6px 20px rgba(59,130,246,.45);
  transform: translateY(-1px);
}

.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border2);
  background: var(--surface2);
  color: var(--text-2);
  font-family: var(--font);
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
}

.btn-ghost:hover { color: var(--text); border-color: var(--border2); background: var(--surface3); }

/* ── Pipeline ─────────────────────────────────────────────── */
.progress-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
}

.progress-label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.7px;
  color: var(--text-2);
  font-weight: 600;
  margin-bottom: 3px;
}

.progress-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--text);
}

.badge {
  flex-shrink: 0;
  font-size: 11px;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 20px;
  background: var(--surface2);
  color: var(--text-2);
  border: 1px solid var(--border2);
  white-space: nowrap;
}

.badge.active  { background: rgba(59,130,246,.15); color: #93c5fd; border-color: rgba(59,130,246,.3); }
.badge.completed { background: var(--green-glow); color: #6ee7b7; border-color: rgba(16,185,129,.3); }
.badge.failed  { background: var(--red-glow); color: #fca5a5; border-color: rgba(239,68,68,.3); }

.pipeline {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.step {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 12px;
  border-radius: var(--radius-sm);
  background: var(--surface2);
  color: var(--text-3);
  font-size: 13px;
  border: 1px solid transparent;
  transition: all 0.25s;
  position: relative;
}

.step-icon {
  width: 26px; height: 26px;
  border-radius: 6px;
  background: var(--surface3);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  transition: all 0.25s;
}

.step-check {
  margin-left: auto;
  font-size: 11px;
  color: var(--green);
  opacity: 0;
  font-weight: 700;
  transition: opacity 0.2s;
  flex-shrink: 0;
}

.step-body {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 0;
}

.step-progress {
  display: flex;
  align-items: center;
  gap: 8px;
}

.step-progress-bar {
  flex: 1;
  height: 4px;
  background: var(--surface3);
  border-radius: 4px;
  overflow: hidden;
}

.step-progress-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--blue), var(--purple));
  border-radius: 4px;
  transition: width 0.4s ease;
}

.step-progress-pct {
  font-size: 11px;
  font-weight: 600;
  color: var(--blue);
  white-space: nowrap;
  min-width: 32px;
  text-align: right;
}

.step.active {
  background: rgba(59,130,246,.08);
  border-color: rgba(59,130,246,.2);
  color: var(--text);
}

.step.active .step-icon {
  background: rgba(59,130,246,.2);
  color: var(--blue);
}

.step.active::before {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 3px;
  background: var(--blue);
  border-radius: 3px 0 0 3px;
}

.step.done {
  color: var(--text-2);
  background: var(--surface2);
}

.step.done .step-icon {
  background: var(--green-glow);
  color: var(--green);
}

.step.done .step-check { opacity: 1; }

/* ── Downloads ────────────────────────────────────────────── */
.downloads-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 700;
  color: var(--green);
  margin-bottom: 4px;
}

.download-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}

.dl-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding: 14px 8px;
  border-radius: var(--radius-sm);
  text-decoration: none;
  font-size: 12px;
  font-weight: 600;
  transition: all 0.2s;
  border: 1px solid transparent;
}

.dl-video {
  background: rgba(59,130,246,.12);
  border-color: rgba(59,130,246,.25);
  color: #93c5fd;
}

.dl-thumb {
  background: rgba(139,92,246,.12);
  border-color: rgba(139,92,246,.25);
  color: #c4b5fd;
}

.dl-meta {
  background: rgba(16,185,129,.1);
  border-color: rgba(16,185,129,.25);
  color: #6ee7b7;
}

.dl-btn:hover { transform: translateY(-2px); box-shadow: 0 4px 12px rgba(0,0,0,.2); }

/* ── Error ────────────────────────────────────────────────── */
.error-box {
  background: var(--red-glow);
  border: 1px solid rgba(239,68,68,.3);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  color: #fca5a5;
  font-size: 13px;
  display: flex;
  align-items: flex-start;
  gap: 8px;
}

/* ── Search Results ────────────────────────────────────────── */
.video-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px;
  margin-bottom: 10px;
  display: flex;
  gap: 14px;
  align-items: flex-start;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.video-card:hover {
  border-color: var(--border2);
  box-shadow: 0 4px 20px rgba(0,0,0,.25);
}

.video-card img {
  width: 110px; height: 62px;
  object-fit: cover;
  border-radius: 8px;
  flex-shrink: 0;
  background: var(--surface2);
}

.video-info { flex: 1; min-width: 0; }

.video-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 6px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  line-height: 1.4;
}

.video-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 10px;
}

.video-meta .pill {
  font-size: 11px;
  color: var(--text-2);
  background: var(--surface2);
  border: 1px solid var(--border2);
  border-radius: 20px;
  padding: 2px 8px;
}

.video-meta .pill.views { color: #93c5fd; border-color: rgba(59,130,246,.25); background: rgba(59,130,246,.08); }
.video-meta .pill.eng   { color: #6ee7b7; border-color: rgba(16,185,129,.25); background: rgba(16,185,129,.08); }

.btn-process {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 12px;
  border-radius: 7px;
  border: none;
  background: linear-gradient(135deg, var(--blue), var(--blue-dark));
  color: #fff;
  font-family: var(--font);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  box-shadow: 0 2px 8px rgba(59,130,246,.25);
}

.btn-process:hover { transform: translateY(-1px); box-shadow: 0 4px 14px rgba(59,130,246,.4); }

.btn-retry {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 4px 10px;
  border-radius: 6px;
  border: 1px solid rgba(239,68,68,.3);
  background: rgba(239,68,68,.1);
  color: #fca5a5;
  font-family: var(--font);
  font-size: 11px;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  flex-shrink: 0;
  transition: all 0.2s;
}
.btn-retry:hover { background: rgba(239,68,68,.2); }

/* ── History ──────────────────────────────────────────────── */
.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
}

.section-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--text);
}

.history-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  margin-bottom: 10px;
  transition: border-color 0.2s;
}

.history-item:hover { border-color: var(--border2); }

.history-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 10px;
}

.h-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.h-meta {
  font-size: 11px;
  color: var(--text-2);
  margin-top: 4px;
}

.history-downloads {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.history-downloads a {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 5px 10px;
  border-radius: 6px;
  font-size: 11px;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.2s;
}

.history-downloads .dl-video { background: rgba(59,130,246,.12); color: #93c5fd; border: 1px solid rgba(59,130,246,.2); }
.history-downloads .dl-thumb { background: rgba(139,92,246,.12); color: #c4b5fd; border: 1px solid rgba(139,92,246,.2); }
.history-downloads .dl-meta  { background: rgba(16,185,129,.1); color: #6ee7b7; border: 1px solid rgba(16,185,129,.2); }
.history-downloads a:hover { transform: translateY(-1px); }

/* ── Empty / Loading ────────────────────────────────────────── */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  padding: 48px 24px;
  color: var(--text-3);
  text-align: center;
}

.empty-state p {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-2);
}

.empty-state span {
  font-size: 12px;
  color: var(--text-3);
  max-width: 240px;
}

/* ── Footer ─────────────────────────────────────────────────── */
footer {
  text-align: center;
  padding: 24px 0 8px;
  color: var(--text-3);
  font-size: 11px;
}

/* ── Utilities ──────────────────────────────────────────────── */
.hidden { display: none !important; }
.tab-content { display: none; }
.tab-content.active { display: block; }

/* ── Spinner ────────────────────────────────────────────────── */
@keyframes spin { to { transform: rotate(360deg); } }
.spinner {
  width: 16px; height: 16px;
  border: 2px solid rgba(255,255,255,.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  flex-shrink: 0;
}

/* ── Responsive ─────────────────────────────────────────────── */
@media (max-width: 420px) {
  .filters-grid { grid-template-columns: 1fr; }
  .download-grid { grid-template-columns: 1fr; }
  .header-stats { gap: 10px; padding: 8px 14px; }
  .stat-value { font-size: 13px; }
}

/* ── Auth Switch ────────────────────────────────────────────── */
.auth-switch {
  text-align: center;
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 4px;
}
.auth-switch a {
  color: var(--accent);
  text-decoration: none;
  font-weight: 500;
}
.auth-switch a:hover { text-decoration: underline; }

/* ── Admin Panel ────────────────────────────────────────────── */
.admin-stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 12px;
  margin-top: 4px;
}
.admin-stat-card {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px 12px;
  text-align: center;
}
.admin-stat-card .admin-stat-value { font-size: 26px; font-weight: 700; color: var(--text); }
.admin-stat-card .admin-stat-label { font-size: 11px; color: var(--text-muted); margin-top: 2px; }

.admin-user-card {
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 14px 16px;
  margin-bottom: 10px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}
.admin-user-card.blocked { opacity: .55; }
.admin-user-info { flex: 1; min-width: 180px; }
.admin-user-name { font-size: 14px; font-weight: 600; color: var(--text); display: flex; align-items: center; gap: 6px; }
.admin-user-email { font-size: 12px; color: var(--text-muted); margin-top: 2px; }
.admin-user-meta { font-size: 11px; color: var(--text-3); margin-top: 4px; }

.admin-user-stats { display: flex; gap: 16px; align-items: center; }
.admin-stat { display: flex; flex-direction: column; align-items: center; gap: 2px; }
.admin-stat .admin-stat-value { font-size: 18px; font-weight: 700; color: var(--text); }
.admin-stat .admin-stat-label { font-size: 10px; color: var(--text-muted); }

.admin-user-actions { display: flex; gap: 6px; flex-wrap: wrap; }
.btn-sm { padding: 5px 10px; border-radius: 6px; font-size: 12px; font-weight: 500; border: none; cursor: pointer; }
.btn-danger { background: rgba(239,68,68,.15); color: #ef4444; }
.btn-danger:hover { background: rgba(239,68,68,.25); }
.btn-success { background: rgba(34,197,94,.15); color: #22c55e; }
.btn-success:hover { background: rgba(34,197,94,.25); }
.btn-sm.btn-ghost { background: var(--surface-2); color: var(--text-muted); }
.btn-sm.btn-ghost:hover { color: var(--text); }

.badge-admin { background: rgba(139,92,246,.2); color: #a78bfa; font-size: 10px; padding: 2px 7px; border-radius: 99px; font-weight: 500; }
.badge-blocked { background: rgba(239,68,68,.2); color: #ef4444; font-size: 10px; padding: 2px 7px; border-radius: 99px; font-weight: 500; }

.input-sm { padding: 4px 6px !important; font-size: 13px !important; }

/* ── Modal ──────────────────────────────────────────────────── */
.modal-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,.6);
  display: flex; align-items: center; justify-content: center;
  z-index: 1000;
  padding: 20px;
}
.modal-box {
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 24px;
  width: 100%;
  max-width: 380px;
}
.modal-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 20px;
}
.modal-title { font-size: 16px; font-weight: 700; color: var(--text); }
.modal-close {
  background: none; border: none; color: var(--text-muted);
  font-size: 22px; cursor: pointer; line-height: 1; padding: 0 4px;
}
.modal-close:hover { color: var(--text); }
.pwd-success {
  background: rgba(34,197,94,.12);
  color: #22c55e;
  border-radius: 8px;
  padding: 10px 14px;
  font-size: 13px;
  font-weight: 500;
  text-align: center;
}