/* ═══════════════════════════════════════════════════════════
   Core Variables & Tokens
   ═══════════════════════════════════════════════════════════ */
:root {
  --bg-primary: #0a0b10;
  --bg-secondary: #12131a;
  --glass-bg: rgba(18, 19, 26, 0.65);
  --glass-border: rgba(255, 255, 255, 0.08);
  --glass-border-focus: rgba(139, 92, 246, 0.4);

  --accent-purple: #8b5cf6;
  --accent-pink: #ec4899;
  --accent-blue: #3b82f6;
  --accent-glow: linear-gradient(135deg, #8b5cf6, #ec4899);

  --text-primary: #f3f4f6;
  --text-secondary: #9ca3af;
  --text-muted: #6b7280;

  --success: #10b981;
  --warning: #f59e0b;
  --error: #ef4444;

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --shadow-glow: 0 0 30px rgba(139, 92, 246, 0.15);
}

/* ═══ Global Reset ═══ */
* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background-color: var(--bg-primary);
  background-image:
    radial-gradient(at 0% 0%, rgba(139, 92, 246, 0.08) 0px, transparent 50%),
    radial-gradient(at 100% 100%, rgba(236, 72, 153, 0.08) 0px, transparent 50%);
  background-attachment: fixed;
  color: var(--text-primary);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

/* Scrollbar */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: rgba(255,255,255,0.02); }
::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.1); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--accent-purple); }

/* ═══ Layout ═══ */
.app-container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 30px 24px;
  flex: 1;
}

/* ═══ Header ═══ */
.app-header { margin-bottom: 24px; text-align: center; }

.logo {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 6px;
}
.logo .icon { font-size: 2.2rem; }
.logo h1 {
  font-family: 'Outfit', sans-serif;
  font-size: 2.2rem;
  font-weight: 800;
  background: var(--accent-glow);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  letter-spacing: -0.03em;
}
.tagline {
  font-size: 0.9rem;
  color: var(--text-secondary);
  font-weight: 500;
  letter-spacing: 0.02em;
}

/* ═══════════════════════════════════════════════════════════
   TAB NAVIGATION BAR
   ═══════════════════════════════════════════════════════════ */
.tab-bar {
  display: flex;
  gap: 4px;
  background: var(--glass-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 6px;
  margin-bottom: 28px;
  box-shadow: 0 4px 24px rgba(0,0,0,0.3);
}

.tab-btn {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 20px;
  border: none;
  border-radius: 14px;
  background: transparent;
  color: var(--text-secondary);
  font-family: 'Outfit', sans-serif;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
}

.tab-btn:hover {
  color: var(--text-primary);
  background: rgba(255,255,255,0.04);
}

.tab-btn.active {
  background: rgba(139, 92, 246, 0.12);
  color: white;
  box-shadow: 0 0 20px rgba(139, 92, 246, 0.15), inset 0 0 0 1px rgba(139, 92, 246, 0.25);
}

.tab-icon { font-size: 1.15rem; }

.log-badge {
  background: var(--error);
  color: white;
  font-size: 0.7rem;
  font-weight: 800;
  min-width: 20px;
  height: 20px;
  border-radius: 10px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 5px;
  margin-left: 4px;
}

/* ═══ Tab Content ═══ */
.tab-content { display: none; animation: tabFadeIn 0.3s ease; }
.tab-content.active { display: block; }

@keyframes tabFadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.tab-panel { max-width: 100%; }

/* ═══════════════════════════════════════════════════════════
   CARDS (Glassmorphism)
   ═══════════════════════════════════════════════════════════ */
.card {
  border-radius: var(--radius-lg);
  margin-bottom: 24px;
  overflow: hidden;
  transition: transform 0.3s cubic-bezier(0.16,1,0.3,1), box-shadow 0.3s ease;
}
.glass-card {
  background: var(--glass-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
  box-shadow: 0 8px 32px rgba(0,0,0,0.3);
}
.card:hover {
  border-color: rgba(255,255,255,0.12);
  box-shadow: 0 12px 40px rgba(0,0,0,0.4), var(--shadow-glow);
}

.card-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 20px 28px;
  border-bottom: 1px solid var(--glass-border);
}
.card-header h2 {
  font-family: 'Outfit', sans-serif;
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  flex: 1;
}
.badge {
  background: var(--accent-glow);
  color: white;
  width: 24px; height: 24px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 0.8rem;
  box-shadow: 0 0 12px rgba(139,92,246,0.4);
}
.badge-icon { font-size: 1.3rem; }
.card-body { padding: 28px; }

/* ═══ Inputs ═══ */
.input-group {
  margin-bottom: 18px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.input-group label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.optional { font-weight: 400; text-transform: none; color: var(--text-muted); font-size: 0.75rem; }

input[type="text"], input[type="password"], input[type="number"], select {
  width: 100%;
  padding: 11px 14px;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 0.92rem;
  font-family: inherit;
  transition: all 0.2s ease;
  outline: none;
}
input[type="text"]:focus, input[type="password"]:focus, input[type="number"]:focus, select:focus {
  background: rgba(255,255,255,0.05);
  border-color: var(--accent-purple);
  box-shadow: 0 0 0 3px rgba(139,92,246,0.15);
}
select option { background: var(--bg-secondary); color: var(--text-primary); }

.input-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
@media (max-width: 600px) { .input-grid { grid-template-columns: 1fr; } }

/* Checkbox */
.checkbox-group { flex-direction: row; align-items: center; cursor: pointer; padding: 6px 0; }
.checkbox-group input[type="checkbox"] { width: 18px; height: 18px; accent-color: var(--accent-purple); cursor: pointer; }
.checkbox-group label { text-transform: none; font-size: 0.92rem; letter-spacing: 0; cursor: pointer; }

/* Range */
.range-display { display: flex; align-items: center; gap: 14px; }
.range-display input[type="range"] { flex: 1; accent-color: var(--accent-purple); background: rgba(255,255,255,0.08); height: 6px; border-radius: 3px; outline: none; cursor: pointer; }
.val-lbl { font-family: 'Outfit', sans-serif; font-size: 1rem; font-weight: 700; color: var(--accent-purple); min-width: 45px; text-align: right; }

/* Color picker */
.color-picker-wrapper { display: flex; gap: 10px; }
.color-picker-wrapper input[type="color"] { border: none; background: none; width: 44px; height: 44px; cursor: pointer; }
.color-picker-wrapper input[type="color"]::-webkit-color-swatch-wrapper { padding: 0; }
.color-picker-wrapper input[type="color"]::-webkit-color-swatch { border: 1px solid var(--glass-border); border-radius: var(--radius-sm); }

/* Helper text */
.helper-text {
  background: rgba(139,92,246,0.05);
  border-left: 4px solid var(--accent-purple);
  padding: 14px 18px;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin-bottom: 20px;
  font-size: 0.82rem;
}
.helper-text p { color: var(--text-primary); margin-bottom: 6px; font-weight: 600; }
.helper-text ol { padding-left: 16px; color: var(--text-secondary); display: flex; flex-direction: column; gap: 3px; }
.helper-text a { color: var(--accent-pink); text-decoration: none; font-weight: 500; }
.helper-text a:hover { text-decoration: underline; }
.helper-small { font-size: 0.8rem; color: var(--text-muted); margin-top: 8px; }

/* Advanced settings toggle */
.advanced-settings-header {
  display: flex; justify-content: space-between; align-items: center;
  padding: 10px 0; margin-top: 12px; cursor: pointer;
  color: var(--text-secondary); font-size: 0.82rem; font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.05em;
  border-bottom: 1px solid rgba(255,255,255,0.05);
}
.advanced-settings-header:hover { color: var(--text-primary); }
.advanced-settings-header .arrow { transition: transform 0.2s ease; font-size: 0.7rem; }
.advanced-settings-header.active .arrow { transform: rotate(180deg); }
.advanced-settings-body { padding-top: 14px; }

/* ═══ Buttons ═══ */
.btn {
  width: 100%;
  padding: 13px 22px;
  font-family: 'Outfit', sans-serif;
  font-weight: 700;
  font-size: 1rem;
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.16,1,0.3,1);
  display: flex; align-items: center; justify-content: center; gap: 8px;
}
.primary-btn {
  background: var(--accent-glow); color: white;
  box-shadow: 0 4px 16px rgba(139,92,246,0.25);
}
.primary-btn:hover:not(:disabled) { transform: translateY(-2px); box-shadow: 0 6px 20px rgba(139,92,246,0.35); filter: brightness(1.1); }
.primary-btn:active:not(:disabled) { transform: translateY(0); }
.primary-btn:disabled { opacity: 0.6; cursor: not-allowed; }

.secondary-btn {
  background: rgba(255,255,255,0.05); color: var(--text-primary);
  border: 1px solid var(--glass-border);
}
.secondary-btn:hover { background: rgba(255,255,255,0.08); border-color: rgba(255,255,255,0.2); }

.test-btn { background: linear-gradient(135deg, rgba(255,255,255,0.08), rgba(255,255,255,0.03)); border: 1px solid rgba(255,255,255,0.15); }

.auth-buttons { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }

/* ═══ Upload Zone ═══ */
.upload-zone {
  border: 2px dashed rgba(255,255,255,0.15);
  border-radius: var(--radius-md);
  padding: 36px 24px;
  text-align: center; cursor: pointer;
  background: rgba(255,255,255,0.01);
  transition: all 0.2s cubic-bezier(0.16,1,0.3,1);
}
.upload-zone:hover, .upload-zone.dragover { border-color: var(--accent-purple); background: rgba(139,92,246,0.03); }
.upload-icon { font-size: 2.8rem; margin-bottom: 14px; transition: transform 0.2s ease; }
.upload-zone:hover .upload-icon { transform: translateY(-4px); }
.upload-title { font-family: 'Outfit', sans-serif; font-size: 1.05rem; font-weight: 600; margin-bottom: 4px; }
.upload-subtitle { font-size: 0.82rem; color: var(--text-muted); }

.file-details {
  margin-top: 14px; display: inline-flex; align-items: center; gap: 10px;
  background: rgba(255,255,255,0.06); padding: 7px 14px; border-radius: 30px;
  border: 1px solid rgba(255,255,255,0.08);
}
.file-name { font-weight: 600; color: var(--success); font-size: 0.88rem; }
.file-size { color: var(--text-secondary); font-size: 0.78rem; }

/* ═══════════════════════════════════════════════════════════
   EXECUTION TAB – 2-column grid
   ═══════════════════════════════════════════════════════════ */
.exec-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 24px;
  align-items: start;
}
@media (max-width: 1024px) { .exec-grid { grid-template-columns: 1fr; } }

/* ═══ Status Monitor ═══ */
.status-card { min-height: 420px; display: flex; flex-direction: column; }
.status-card .card-body { flex: 1; display: flex; flex-direction: column; gap: 16px; overflow: hidden; }

.status-indicator {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(255,255,255,0.04); padding: 6px 12px;
  border-radius: 30px; border: 1px solid rgba(255,255,255,0.06);
  font-size: 0.78rem; font-weight: 700; text-transform: uppercase;
}
.status-indicator .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--text-muted); }

.status-indicator.queued .dot { background: var(--warning); box-shadow: 0 0 8px var(--warning); animation: pulse 1.5s infinite; }
.status-indicator.running .dot { background: var(--accent-blue); box-shadow: 0 0 8px var(--accent-blue); animation: pulse 1.5s infinite; }
.status-indicator.downloading .dot { background: var(--accent-pink); box-shadow: 0 0 8px var(--accent-pink); animation: pulse 1.5s infinite; }
.status-indicator.complete .dot { background: var(--success); box-shadow: 0 0 8px var(--success); }
.status-indicator.error .dot { background: var(--error); box-shadow: 0 0 8px var(--error); }

@keyframes pulse {
  0% { transform: scale(0.9); opacity: 0.6; }
  50% { transform: scale(1.2); opacity: 1; }
  100% { transform: scale(0.9); opacity: 0.6; }
}

/* Progress bar */
.progress-bar-container { display: flex; flex-direction: column; gap: 8px; }
.progress-info { display: flex; justify-content: space-between; font-size: 0.82rem; font-weight: 600; color: var(--text-secondary); }
.progress-bar-track { width: 100%; height: 8px; background: rgba(255,255,255,0.05); border-radius: 4px; overflow: hidden; }
.progress-bar-fill {
  height: 100%; background: var(--accent-glow); width: 0%;
  border-radius: 4px; transition: width 0.3s ease;
  box-shadow: 0 0 8px rgba(139,92,246,0.5);
}

/* Console log – SCROLLABLE */
.console-log-wrapper {
  flex: 1;
  display: flex; flex-direction: column;
  border-radius: var(--radius-md);
  border: 1px solid var(--glass-border);
  overflow: hidden;
  background: rgba(0,0,0,0.2);
  min-height: 200px;
}
.console-header {
  display: flex; justify-content: space-between; align-items: center;
  padding: 10px 14px;
  background: rgba(255,255,255,0.02);
  border-bottom: 1px solid var(--glass-border);
  font-size: 0.78rem; font-weight: 600; color: var(--text-secondary); text-transform: uppercase;
}
.btn-clear { background: none; border: none; color: var(--text-muted); cursor: pointer; font-size: 0.73rem; font-weight: 600; }
.btn-clear:hover { color: var(--text-primary); }

.console-log {
  flex: 1;
  padding: 14px;
  font-family: 'Consolas', 'Courier New', monospace;
  font-size: 0.78rem;
  overflow-y: auto;
  max-height: 380px;
  display: flex; flex-direction: column; gap: 5px;
}

.log-line { color: #38bdf8; word-break: break-all; }
.log-line.system { color: #c084fc; }
.log-line.error { color: #f87171; }
.log-line.success { color: #4ade80; }

/* Spinner */
.spinner { width: 20px; height: 20px; border: 2px solid rgba(255,255,255,0.2); border-top-color: white; border-radius: 50%; animation: spin 0.8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ═══ Output Card ═══ */
.output-card { animation: slideIn 0.4s cubic-bezier(0.16,1,0.3,1); }
@keyframes slideIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.success-banner {
  background: rgba(16,185,129,0.08); border: 1px solid rgba(16,185,129,0.15);
  border-radius: var(--radius-md); padding: 18px; display: flex; gap: 14px;
  align-items: flex-start; margin-bottom: 20px;
}
.success-banner h3 { font-family: 'Outfit', sans-serif; color: var(--success); font-size: 1.05rem; font-weight: 700; margin-bottom: 3px; }
.success-banner p { font-size: 0.82rem; color: var(--text-secondary); }
.party-icon { font-size: 1.6rem; line-height: 1; }

.video-preview-wrapper {
  width: 100%; aspect-ratio: 16/9; border-radius: var(--radius-md);
  overflow: hidden; border: 1px solid var(--glass-border);
  background: #000; margin-bottom: 20px; box-shadow: 0 4px 20px rgba(0,0,0,0.5);
}
.video-preview-wrapper.vertical { aspect-ratio: 9/16; max-width: 300px; margin-left: auto; margin-right: auto; }
.video-preview-wrapper video { width: 100%; height: 100%; object-fit: contain; }

.output-actions { display: grid; grid-template-columns: 1.5fr 1fr; gap: 14px; }
@media (max-width: 480px) { .output-actions { grid-template-columns: 1fr; } }

.download-btn { text-decoration: none; }
.copy-icon { font-size: 1rem; }

/* Success Messages */
.success-message { display: none; font-size: 0.82rem; color: var(--success); margin-top: 10px; text-align: center; font-weight: 500; animation: fadeIn 0.3s ease; }
.status-message { display: none; margin-top: 10px; padding: 10px; border-radius: 6px; font-size: 0.88rem; }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

/* ═══════════════════════════════════════════════════════════
   TAB 3: LOGS / HISTORY
   ═══════════════════════════════════════════════════════════ */
.history-empty {
  text-align: center; padding: 40px 20px; color: var(--text-muted);
}
.history-empty-icon { font-size: 2.5rem; display: block; margin-bottom: 12px; }

.history-item {
  background: rgba(0,0,0,0.2);
  padding: 14px 18px;
  margin-bottom: 10px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--glass-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  transition: border-color 0.2s ease;
}
.history-item:hover { border-color: rgba(255,255,255,0.15); }

.history-item .hist-info { flex: 1; }
.history-item .hist-info strong { font-size: 0.9rem; display: block; margin-bottom: 3px; }
.history-item .hist-meta { color: var(--text-muted); font-size: 0.8rem; display: flex; gap: 12px; flex-wrap: wrap; }

.hist-status {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 3px 10px; border-radius: 12px; font-size: 0.72rem; font-weight: 700; text-transform: uppercase;
}
.hist-status.success { background: rgba(16,185,129,0.12); color: var(--success); }
.hist-status.failed { background: rgba(239,68,68,0.12); color: var(--error); }

.hist-actions { display: flex; gap: 6px; flex-shrink: 0; }
.hist-actions .btn { width: auto; padding: 6px 12px; font-size: 0.78rem; font-weight: 600; }

/* ═══ Footer ═══ */
.app-footer {
  text-align: center; margin-top: 40px; padding-top: 20px;
  border-top: 1px solid rgba(255,255,255,0.03);
  color: var(--text-muted); font-size: 0.78rem; font-weight: 500;
  padding-bottom: 20px;
}