@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Sans+Arabic:wght@300;400;500;600;700&display=swap');

:root {
  --bg-primary: #0b0e14;
  --bg-secondary: #111621;
  --bg-card: #151b28;
  --bg-card-hover: #1b2233;
  --bg-elevated: #1e2638;
  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --border-subtle: rgba(255, 255, 255, 0.07);
  --border-focus: rgba(99, 102, 241, 0.45);
  --accent-primary: #6366f1;
  --accent-secondary: #8b5cf6;
  --accent-glow: rgba(99, 102, 241, 0.22);
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;
  --shadow-soft: 0 12px 32px -8px rgba(0, 0, 0, 0.45);
  --radius-xl: 20px;
  --radius-lg: 14px;
  --radius-md: 10px;
}

[data-theme="light"] {
  --bg-primary: #f6f5f2;
  --bg-secondary: #edece8;
  --bg-card: #ffffff;
  --bg-card-hover: #faf9f6;
  --bg-elevated: #f1f0ec;
  --text-primary: #1e293b;
  --text-secondary: #475569;
  --text-muted: #64748b;
  --border-subtle: rgba(15, 23, 42, 0.08);
  --border-focus: rgba(79, 70, 229, 0.45);
  --accent-primary: #4f46e5;
  --accent-secondary: #7c3aed;
  --accent-glow: rgba(79, 70, 229, 0.14);
  --shadow-soft: 0 10px 28px -6px rgba(15, 23, 42, 0.07);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: 'IBM Plex Sans Arabic', -apple-system, BlinkMacSystemFont, sans-serif !important;
}

html, body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  direction: rtl;
  text-align: right;
  line-height: 1.65;
  min-height: 100vh;
  transition: background-color 0.25s ease, color 0.25s ease;
  -webkit-font-smoothing: antialiased;
}

/* Subtle ambient background glow */
.ambient-bg {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background:
    radial-gradient(circle at 15% 15%, var(--char-glow, rgba(99, 102, 241, 0.10)), transparent 42%),
    radial-gradient(circle at 85% 80%, rgba(236, 72, 153, 0.07), transparent 45%);
  transition: background 0.5s ease;
}

.app-container {
  position: relative;
  z-index: 1;
  max-width: 1240px;
  margin: 0 auto;
  padding: 24px 20px 72px;
}

/* Top Navbar */
.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 22px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-soft);
  margin-bottom: 28px;
  flex-wrap: wrap;
  gap: 14px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
}

.brand-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 700;
  font-size: 1.25rem;
  box-shadow: 0 6px 18px var(--accent-glow);
}

.brand-title {
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.brand-subtitle {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: 999px;
  background: rgba(16, 185, 129, 0.12);
  border: 1px solid rgba(16, 185, 129, 0.28);
  color: var(--success);
  font-size: 0.8rem;
  font-weight: 600;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 8px var(--success);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.55; transform: scale(1.18); }
}

.theme-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border-radius: 11px;
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  font-size: 0.84rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
}

.theme-btn:hover {
  border-color: var(--accent-primary);
}

/* Hero Banner */
.hero {
  text-align: center;
  max-width: 820px;
  margin: 0 auto 32px;
  padding: 10px 12px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 5px 16px;
  border-radius: 999px;
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  font-size: 0.82rem;
  font-weight: 500;
  margin-bottom: 14px;
}

.hero h1 {
  font-size: clamp(1.65rem, 3.3vw, 2.35rem);
  font-weight: 700;
  line-height: 1.35;
  margin-bottom: 10px;
}

.hero h1 .gradient-text {
  background: linear-gradient(135deg, #818cf8, #f472b6, #f59e0b);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero p {
  color: var(--text-secondary);
  font-size: 0.98rem;
  max-width: 680px;
  margin: 0 auto;
}

/* Filter Tabs */
.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
  flex-wrap: wrap;
  gap: 12px;
}

.section-title {
  font-size: 1.15rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 10px;
}

.filter-tabs {
  display: flex;
  gap: 8px;
  background: var(--bg-card);
  padding: 5px;
  border-radius: 12px;
  border: 1px solid var(--border-subtle);
}

.filter-tab {
  padding: 7px 16px;
  border-radius: 9px;
  border: none;
  background: transparent;
  color: var(--text-secondary);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
}

.filter-tab.active {
  background: var(--accent-primary);
  color: #ffffff;
  box-shadow: 0 4px 12px var(--accent-glow);
}

/* Character Grid */
.characters-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(265px, 1fr));
  gap: 16px;
  margin-bottom: 32px;
}

.char-card {
  position: relative;
  background: var(--bg-card);
  border: 1.5px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: 16px;
  cursor: pointer;
  transition: all 0.24s cubic-bezier(0.16, 1, 0.3, 1);
  display: flex;
  flex-direction: column;
  gap: 14px;
  overflow: hidden;
}

.char-card:hover {
  transform: translateY(-3px);
  background: var(--bg-card-hover);
  border-color: rgba(255, 255, 255, 0.16);
}

.char-card.selected {
  border-color: var(--card-accent, var(--accent-primary));
  box-shadow: 0 0 0 1px var(--card-accent, var(--accent-primary)), 0 14px 34px -8px var(--card-glow, var(--accent-glow));
  background: var(--bg-card-hover);
}

.char-top {
  display: flex;
  align-items: center;
  gap: 14px;
}

.char-avatar-wrap {
  position: relative;
  width: 74px;
  height: 74px;
  border-radius: 16px;
  overflow: hidden;
  flex-shrink: 0;
  border: 2px solid var(--card-accent, var(--border-subtle));
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.3);
}

.char-avatar {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.35s ease;
}

.char-card:hover .char-avatar {
  transform: scale(1.06);
}

.char-selected-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--card-accent, var(--accent-primary));
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.78rem;
  font-weight: 700;
  opacity: 0;
  transform: scale(0.7);
  transition: all 0.2s ease;
}

.char-card.selected .char-selected-badge {
  opacity: 1;
  transform: scale(1);
}

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

.char-tag {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 600;
  padding: 2px 9px;
  border-radius: 999px;
  background: var(--bg-elevated);
  color: var(--card-accent, var(--accent-primary));
  margin-bottom: 4px;
}

.char-name {
  font-size: 1.04rem;
  font-weight: 700;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.char-va {
  font-size: 0.78rem;
  color: var(--text-secondary);
}

.char-desc {
  font-size: 0.81rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

.char-specs {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.74rem;
  color: var(--text-muted);
  padding-top: 8px;
  border-top: 1px solid var(--border-subtle);
}

.char-preview-btns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.mini-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 7px 10px;
  border-radius: 9px;
  border: 1px solid var(--border-subtle);
  background: var(--bg-elevated);
  color: var(--text-primary);
  font-size: 0.76rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.18s ease;
}

.mini-btn:hover {
  border-color: var(--card-accent, var(--accent-primary));
  background: rgba(99, 102, 241, 0.12);
}

.mini-btn.playing {
  background: var(--card-accent, var(--accent-primary));
  color: #fff;
  border-color: transparent;
}

/* Main Studio Grid */
.studio-layout {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 22px;
  align-items: start;
}

@media (max-width: 960px) {
  .studio-layout {
    grid-template-columns: 1fr;
  }
}

.studio-panel {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: 24px;
  box-shadow: var(--shadow-soft);
}

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 18px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border-subtle);
  flex-wrap: wrap;
  gap: 10px;
}

.panel-title {
  font-size: 1.08rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 10px;
}

.selected-target-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 5px 12px 5px 8px;
  border-radius: 999px;
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  font-size: 0.82rem;
  font-weight: 600;
}

.selected-target-chip img {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  object-fit: cover;
}

/* Upload Dropzone */
.dropzone {
  border: 2px dashed rgba(99, 102, 241, 0.35);
  border-radius: var(--radius-lg);
  padding: 28px 20px;
  text-align: center;
  background: rgba(99, 102, 241, 0.03);
  cursor: pointer;
  transition: all 0.22s ease;
  margin-bottom: 16px;
}

.dropzone:hover, .dropzone.dragover {
  border-color: var(--accent-primary);
  background: rgba(99, 102, 241, 0.08);
}

.dropzone-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: var(--bg-elevated);
  color: var(--accent-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 12px;
  font-size: 1.5rem;
}

.dropzone-title {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.dropzone-sub {
  font-size: 0.82rem;
  color: var(--text-secondary);
}

/* Input Quick Actions (Record Mic / Load Ready Sample) */
.input-actions-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 18px;
}

@media (max-width: 560px) {
  .input-actions-row {
    grid-template-columns: 1fr;
  }
}

.action-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 12px 16px;
  border-radius: 12px;
  border: 1px solid var(--border-subtle);
  background: var(--bg-elevated);
  color: var(--text-primary);
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
}

.action-btn:hover {
  border-color: var(--accent-primary);
}

.action-btn.recording {
  background: rgba(239, 68, 68, 0.16);
  border-color: var(--danger);
  color: #fca5a5;
  animation: pulse 1.2s infinite;
}

/* Source Audio Info Box */
.source-audio-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: 14px;
  padding: 14px 16px;
  margin-bottom: 18px;
}

.source-meta-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 10px;
  flex-wrap: wrap;
}

.source-filename {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 8px;
}

.f0-badge {
  font-size: 0.76rem;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 999px;
  background: rgba(99, 102, 241, 0.15);
  color: #a5b4fc;
}

[data-theme="light"] .f0-badge {
  color: #4338ca;
}

audio {
  width: 100%;
  height: 38px;
  border-radius: 8px;
}

/* Neural Settings */
.settings-box {
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: 14px;
  padding: 16px;
  margin-bottom: 18px;
}

.settings-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

@media (max-width: 560px) {
  .settings-grid {
    grid-template-columns: 1fr;
  }
}

.field-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.field-label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-secondary);
  display: flex;
  justify-content: space-between;
}

.field-select, .field-range {
  width: 100%;
  padding: 9px 12px;
  border-radius: 9px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  font-size: 0.85rem;
}

.field-range {
  padding: 4px 0;
  accent-color: var(--accent-primary);
}

.toggle-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 10px;
  margin-top: 10px;
  border-top: 1px solid var(--border-subtle);
  font-size: 0.83rem;
}

/* Primary Convert CTA */
.convert-cta {
  width: 100%;
  padding: 15px 22px;
  border-radius: 14px;
  border: none;
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  color: #ffffff;
  font-size: 1.02rem;
  font-weight: 700;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  box-shadow: 0 10px 26px -4px var(--accent-glow);
  transition: all 0.22s ease;
}

.convert-cta:hover:not(:disabled) {
  transform: translateY(-2px);
  filter: brightness(1.08);
}

.convert-cta:disabled {
  opacity: 0.65;
  cursor: not-allowed;
}

/* Progress Telemetry */
.progress-box {
  margin-top: 16px;
  padding: 14px 16px;
  border-radius: 12px;
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
}

.progress-header {
  display: flex;
  justify-content: space-between;
  font-size: 0.82rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.progress-bar-track {
  width: 100%;
  height: 8px;
  border-radius: 999px;
  background: var(--bg-primary);
  overflow: hidden;
}

.progress-bar-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--accent-primary), #ec4899);
  border-radius: 999px;
  transition: width 0.35s ease;
}

.progress-sub {
  font-size: 0.76rem;
  color: var(--text-secondary);
  margin-top: 6px;
}

/* Result Output Panel */
.result-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: 16px;
  padding: 18px;
  margin-bottom: 18px;
}

.result-char-banner {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 14px;
}

.result-char-banner img {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  object-fit: cover;
  border: 2px solid var(--accent-primary);
}

.waveform-canvas {
  width: 100%;
  height: 76px;
  background: var(--bg-primary);
  border-radius: 10px;
  margin-bottom: 12px;
  display: block;
}

.result-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-top: 12px;
}

.download-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 16px;
  border-radius: 11px;
  background: var(--success);
  color: #fff;
  font-weight: 700;
  font-size: 0.86rem;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: all 0.2s ease;
}

.download-btn:hover {
  filter: brightness(1.08);
}

/* Instant Pre-Converted Showcase Table */
.showcase-card {
  margin-top: 28px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: 22px;
  box-shadow: var(--shadow-soft);
}

.showcase-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(235px, 1fr));
  gap: 12px;
  margin-top: 14px;
}

.showcase-item {
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  padding: 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.showcase-item-left {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}

.showcase-item-left img {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  object-fit: cover;
}

.showcase-item-title {
  font-size: 0.84rem;
  font-weight: 700;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.showcase-item-sub {
  font-size: 0.72rem;
  color: var(--text-secondary);
}

.hidden {
  display: none !important;
}

.footer {
  margin-top: 48px;
  text-align: center;
  font-size: 0.82rem;
  color: var(--text-muted);
  padding-top: 20px;
  border-top: 1px solid var(--border-subtle);
}