/* ==========================================================================
   HYPERTORRENT - MODERN GLASSMORPHIC DESIGN SYSTEM
   ========================================================================== */

:root {
  /* Color Palette */
  --bg-base: #060911;
  --bg-elevated: #0d1322;
  --bg-card: rgba(16, 24, 40, 0.72);
  --bg-card-hover: rgba(23, 33, 56, 0.85);
  --bg-glass: rgba(13, 20, 36, 0.65);
  
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-active: rgba(0, 242, 254, 0.35);
  --border-focus: rgba(79, 172, 254, 0.5);

  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;

  /* Accents & Signals */
  --cyan-400: #00f2fe;
  --blue-500: #4facfe;
  --violet-500: #8a2be2;
  --emerald-500: #10b981;
  --amber-500: #f59e0b;
  --rose-500: #ef4444;

  /* Gradients */
  --grad-primary: linear-gradient(135deg, #00f2fe 0%, #4facfe 100%);
  --grad-violet: linear-gradient(135deg, #7928ca 0%, #ff0080 100%);
  --grad-emerald: linear-gradient(135deg, #10b981 0%, #059669 100%);
  --grad-surface: linear-gradient(180deg, rgba(255, 255, 255, 0.04) 0%, rgba(255, 255, 255, 0) 100%);
  --grad-glow: radial-gradient(circle at 50% 0%, rgba(0, 242, 254, 0.15) 0%, transparent 70%);

  /* Typography */
  --font-sans: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* Shadows & Glass */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 10px 30px -5px rgba(0, 0, 0, 0.5), 0 0 20px rgba(0, 242, 254, 0.08);
  --backdrop-blur: blur(16px);
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-pill: 9999px;
  
  --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
  font-family: var(--font-sans);
  background-color: var(--bg-base);
  color: var(--text-primary);
  min-height: 100vh;
  min-height: 100dvh;
  line-height: 1.5;
  background-image: 
    radial-gradient(at 0% 0%, rgba(0, 242, 254, 0.08) 0px, transparent 50%),
    radial-gradient(at 100% 0%, rgba(138, 43, 226, 0.08) 0px, transparent 50%),
    radial-gradient(at 50% 100%, rgba(79, 172, 254, 0.05) 0px, transparent 50%);
  background-attachment: fixed;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -webkit-tap-highlight-color: rgba(0, 242, 254, 0.15);
  -webkit-text-size-adjust: 100%;
  overscroll-behavior-y: contain;
}

.font-mono {
  font-family: var(--font-mono);
}

.app-container {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  min-height: 100dvh;
  max-width: 1440px;
  margin: 0 auto;
  padding: 1.5rem 2rem;
  padding-top: max(1.5rem, env(safe-area-inset-top));
  padding-left: max(2rem, env(safe-area-inset-left));
  padding-right: max(2rem, env(safe-area-inset-right));
  padding-bottom: max(1.5rem, env(safe-area-inset-bottom));
  gap: 1.5rem;
  position: relative;
}

/* ==========================================================================
   HEADER & TELEMETRY HUB
   ========================================================================== */

.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1.5rem;
  padding: 1.25rem 1.75rem;
  background: var(--bg-card);
  backdrop-filter: var(--backdrop-blur);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  position: relative;
  overflow: hidden;
}

.app-header::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--grad-primary);
}

.brand-section {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.brand-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: var(--grad-primary);
  color: #050a14;
  box-shadow: 0 0 20px rgba(0, 242, 254, 0.4);
}

.brand-icon {
  width: 28px;
  height: 28px;
}

.brand-title {
  font-size: 1.6rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  color: #fff;
  line-height: 1.1;
}

.brand-title span {
  color: var(--cyan-400);
  background: var(--grad-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.brand-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--emerald-500);
  margin-top: 0.2rem;
}

.pulse-indicator {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--emerald-500);
  box-shadow: 0 0 10px var(--emerald-500);
  animation: pulse 2s infinite ease-in-out;
}

@keyframes pulse {
  0% { transform: scale(0.95); opacity: 0.8; }
  50% { transform: scale(1.3); opacity: 1; box-shadow: 0 0 14px var(--emerald-500); }
  100% { transform: scale(0.95); opacity: 0.8; }
}

/* Telemetry Speedometer Hub */
.telemetry-hub {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  flex-wrap: wrap;
  max-width: 100%;
}

.telemetry-card {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding: 0.6rem 1.1rem;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  transition: var(--transition-fast);
}

.telemetry-card.download {
  border-left: 3px solid var(--cyan-400);
}

.telemetry-card.upload {
  border-left: 3px solid var(--violet-500);
}

.telemetry-icon svg {
  width: 22px;
  height: 22px;
}

.telemetry-card.download .telemetry-icon svg {
  stroke: var(--cyan-400);
}

.telemetry-card.upload .telemetry-icon svg {
  stroke: var(--violet-500);
}

.telemetry-info {
  display: flex;
  flex-direction: column;
}

.telemetry-label {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--text-muted);
}

.telemetry-value {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
  min-width: 105px;
}

.telemetry-mini-group {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.telemetry-pill {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(255, 255, 255, 0.04);
  padding: 0.2rem 0.65rem;
  border-radius: var(--radius-sm);
  font-size: 0.72rem;
}

.pill-label {
  color: var(--text-muted);
  font-weight: 600;
}

.pill-val {
  color: var(--text-primary);
  font-weight: 700;
}

/* Header Buttons */
.header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
  max-width: 100%;
}

.header-util-group {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.btn, .btn-icon, .btn-icon-glass, .tab-btn, .chip-btn {
  touch-action: manipulation;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.65rem 1.25rem;
  font-family: var(--font-sans);
  font-size: 0.88rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: var(--transition-normal);
  text-decoration: none;
}

.btn svg {
  width: 18px;
  height: 18px;
}

.btn-primary {
  background: var(--grad-primary);
  color: #060b16;
  box-shadow: 0 4px 15px rgba(0, 242, 254, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 242, 254, 0.45);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.07);
  color: var(--text-primary);
  border: 1px solid var(--border-subtle);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.2);
}

.btn-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  cursor: pointer;
  transition: var(--transition-fast);
}

.btn-icon:hover {
  background: rgba(255, 255, 255, 0.12);
  color: var(--text-primary);
}

.btn-icon.danger:hover {
  background: rgba(239, 68, 68, 0.2);
  color: var(--rose-500);
  border-color: var(--rose-500);
}

/* ==========================================================================
   TOOLBAR & BANDWIDTH MONITOR
   ========================================================================== */

.toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.filter-tabs {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--bg-card);
  padding: 0.3rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  overflow-x: auto;
  max-width: 100%;
  -webkit-overflow-scrolling: touch;
}

.tab-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.45rem 0.9rem;
  font-family: var(--font-sans);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-secondary);
  background: transparent;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition-fast);
}

.tab-btn .badge {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-muted);
  font-size: 0.72rem;
  padding: 0.1rem 0.45rem;
  border-radius: var(--radius-pill);
}

.tab-btn:hover {
  color: var(--text-primary);
}

.tab-btn.active {
  background: rgba(0, 242, 254, 0.12);
  color: var(--cyan-400);
}

.tab-btn.active .badge {
  background: var(--cyan-400);
  color: #060b16;
  font-weight: 700;
}

.search-box {
  display: flex;
  align-items: center;
  position: relative;
  width: 320px;
  max-width: 100%;
}

.search-icon {
  position: absolute;
  left: 0.9rem;
  width: 18px;
  height: 18px;
  color: var(--text-muted);
  pointer-events: none;
}

.search-box input {
  width: 100%;
  padding: 0.55rem 1rem 0.55rem 2.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 0.85rem;
  outline: none;
  transition: var(--transition-fast);
}

.search-box input:focus {
  border-color: var(--border-focus);
  box-shadow: 0 0 10px rgba(0, 242, 254, 0.2);
}

/* Bandwidth Monitor Panel */
.bandwidth-monitor-panel {
  background: var(--bg-card);
  backdrop-filter: var(--backdrop-blur);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 1rem 1.25rem 0.75rem 1.25rem;
  margin-bottom: 1.5rem;
  box-shadow: var(--shadow-sm);
}

.monitor-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.5rem;
}

.monitor-title {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--text-muted);
}

.monitor-legend {
  display: flex;
  gap: 1rem;
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.legend-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.legend-dot.down {
  background: var(--cyan-400);
  box-shadow: 0 0 8px var(--cyan-400);
}

.legend-dot.up {
  background: var(--violet-500);
  box-shadow: 0 0 8px var(--violet-500);
}

#bandwidth-canvas {
  width: 100%;
  max-width: 100%;
  height: 85px;
  display: block;
}

/* ==========================================================================
   TORRENTS LIST & CARDS
   ========================================================================== */

.torrents-grid {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.torrent-card {
  background: var(--bg-card);
  backdrop-filter: var(--backdrop-blur);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 1.25rem 1.5rem;
  transition: var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.torrent-card:hover {
  border-color: var(--border-active);
  background: var(--bg-card-hover);
  box-shadow: var(--shadow-lg);
}

.torrent-card.selected {
  border-color: var(--cyan-400);
  box-shadow: 0 0 15px rgba(0, 242, 254, 0.2);
}

.card-top-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 0.85rem;
}

.card-name-group {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  flex: 1;
}

.torrent-status-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 0.2rem 0.65rem;
  border-radius: var(--radius-pill);
}

.torrent-status-pill.downloading {
  background: rgba(0, 242, 254, 0.15);
  color: var(--cyan-400);
  border: 1px solid rgba(0, 242, 254, 0.3);
}

.torrent-status-pill.completed {
  background: rgba(16, 185, 129, 0.15);
  color: var(--emerald-500);
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.torrent-status-pill.paused {
  background: rgba(245, 158, 11, 0.15);
  color: var(--amber-500);
  border: 1px solid rgba(245, 158, 11, 0.3);
}

.torrent-status-pill.connecting {
  background: rgba(148, 163, 184, 0.15);
  color: var(--text-secondary);
  border: 1px solid rgba(148, 163, 184, 0.3);
}

.card-title {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-primary);
  word-break: break-all;
}

.card-controls {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* Progress Bar */
.progress-container {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  margin-bottom: 0.85rem;
}

.progress-track {
  width: 100%;
  height: 8px;
  background: rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-pill);
  overflow: hidden;
  position: relative;
}

.progress-fill {
  height: 100%;
  background: var(--grad-primary);
  border-radius: var(--radius-pill);
  box-shadow: 0 0 10px rgba(0, 242, 254, 0.5);
  transition: width 0.3s ease;
}

.progress-fill.completed {
  background: var(--grad-emerald);
  box-shadow: 0 0 10px rgba(16, 185, 129, 0.5);
}

.progress-fill.paused {
  background: var(--amber-500);
  box-shadow: 0 0 8px rgba(245, 158, 11, 0.4);
}

.progress-info-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.78rem;
  color: var(--text-secondary);
}

.progress-percentage {
  font-weight: 700;
  color: var(--text-primary);
}

/* Card Metrics Grid */
.card-metrics-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.25rem;
  font-size: 0.8rem;
  color: var(--text-secondary);
  border-top: 1px solid var(--border-subtle);
  padding-top: 0.85rem;
}

.metric-item {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.metric-item strong {
  color: var(--text-primary);
}

.metric-item.rate-down strong {
  color: var(--cyan-400);
}

.metric-item.rate-up strong {
  color: var(--violet-500);
}

/* Empty State */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 4.5rem 2rem;
  text-align: center;
  background: var(--bg-card);
  backdrop-filter: var(--backdrop-blur);
  border: 1px dashed var(--border-subtle);
  border-radius: var(--radius-lg);
}

.empty-icon-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 72px;
  height: 72px;
  background: rgba(0, 242, 254, 0.08);
  border-radius: 50%;
  color: var(--cyan-400);
  margin-bottom: 1.25rem;
}

.empty-icon-wrap svg {
  width: 36px;
  height: 36px;
}

.empty-title {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.empty-desc {
  color: var(--text-secondary);
  font-size: 0.92rem;
  max-width: 480px;
  margin-bottom: 1.75rem;
}

.empty-actions {
  display: flex;
  gap: 1rem;
}

/* ==========================================================================
   SLIDE-OVER DETAIL INSPECTOR DRAWER
   ========================================================================== */

.drawer-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.65);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: 999;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.drawer-backdrop.open {
  opacity: 1;
  pointer-events: auto;
}

.detail-drawer {
  position: fixed;
  top: 0;
  right: 0;
  width: 680px;
  max-width: 95vw;
  height: 100vh;
  height: 100dvh;
  background: #090f1d;
  border-left: 1px solid var(--border-active);
  box-shadow: -15px 0 40px rgba(0, 0, 0, 0.7);
  z-index: 1000;
  transform: translateX(100%);
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  -webkit-overflow-scrolling: touch;
}

.detail-drawer.open {
  transform: translateX(0);
}

.drawer-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  padding: 1.5rem;
  border-bottom: 1px solid var(--border-subtle);
  background: rgba(255, 255, 255, 0.02);
}

.drawer-title-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  flex: 1;
  min-width: 0;
  margin-right: 1.25rem;
}

.drawer-badge {
  display: inline-block;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  padding: 0.15rem 0.5rem;
  border-radius: var(--radius-sm);
  background: rgba(0, 242, 254, 0.15);
  color: var(--cyan-400);
  align-self: flex-start;
}

.drawer-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: #fff;
  line-height: 1.35;
  word-break: break-word;
  overflow-wrap: anywhere;
}

.drawer-hash {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.drawer-tabs {
  display: flex;
  background: rgba(0, 0, 0, 0.25);
  border-bottom: 1px solid var(--border-subtle);
  padding: 0 1rem;
}

.drawer-tab-btn {
  padding: 0.85rem 1.2rem;
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  cursor: pointer;
  transition: var(--transition-fast);
}

.drawer-tab-btn:hover {
  color: var(--text-primary);
}

.drawer-tab-btn.active {
  color: var(--cyan-400);
  border-bottom-color: var(--cyan-400);
}

.drawer-content {
  flex: 1;
  padding: 1.5rem;
  overflow-y: auto;
}

.drawer-tab-pane {
  display: none;
}

.drawer-tab-pane.active {
  display: block;
}

/* Metrics in Overview */
.metrics-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.metric-card {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1rem;
}

.m-label {
  display: block;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  margin-bottom: 0.35rem;
}

.m-val {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
}

.drawer-section {
  margin-bottom: 1.5rem;
}

.section-title {
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-secondary);
  margin-bottom: 0.6rem;
}

.code-box {
  background: rgba(0, 0, 0, 0.3);
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle);
  font-size: 0.8rem;
  color: var(--cyan-400);
  word-break: break-all;
}

.trackers-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.trackers-list li {
  font-size: 0.78rem;
  color: var(--text-secondary);
  background: rgba(255, 255, 255, 0.02);
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle);
}

/* Piece Canvas */
.pieces-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
}

.pieces-info {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  font-size: 0.82rem;
}

.piece-legend {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.p-dot {
  width: 10px;
  height: 10px;
  border-radius: 2px;
}

.p-dot.verified { background: var(--emerald-500); }
.p-dot.pending { background: #1c273c; }

.piece-hover-tip {
  font-size: 0.75rem;
  color: var(--cyan-400);
}

.canvas-container {
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 0.75rem;
}

#pieces-canvas {
  width: 100%;
  height: auto;
  display: block;
}

/* Peers Table */
.table-responsive {
  overflow-x: auto;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.8rem;
}

.data-table th {
  text-align: left;
  padding: 0.75rem 0.85rem;
  color: var(--text-muted);
  font-weight: 700;
  letter-spacing: 0.05em;
  border-bottom: 1px solid var(--border-subtle);
}

.data-table td {
  padding: 0.75rem 0.85rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.03);
  color: var(--text-secondary);
}

.data-table tr:hover td {
  background: rgba(255, 255, 255, 0.02);
  color: var(--text-primary);
}

/* Files List */
.files-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.file-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.75rem 1rem;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
}

.file-main-info {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex: 1;
}

.file-name {
  font-size: 0.85rem;
  color: var(--text-primary);
  word-break: break-all;
}

.file-size {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* ==========================================================================
   MODALS
   ========================================================================== */

.modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2000;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
}

.modal-backdrop.open {
  opacity: 1;
  pointer-events: auto;
}

.modal-card {
  width: 540px;
  max-width: 90vw;
  max-height: 90vh;
  max-height: calc(100dvh - 3rem);
  background: #0d1424;
  border: 1px solid var(--border-active);
  border-radius: var(--radius-lg);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.8), 0 0 30px rgba(0, 242, 254, 0.15);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transform: scale(0.95);
  transition: transform 0.25s ease;
}

.modal-backdrop.open .modal-card {
  transform: scale(1);
}

.modal-large {
  width: 820px;
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--border-subtle);
  flex-shrink: 0;
}

.modal-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: #fff;
}

.btn-close-modal, #btn-close-drawer {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  color: var(--text-muted);
  width: 38px;
  height: 38px;
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  cursor: pointer;
  transition: var(--transition-fast);
  touch-action: manipulation;
}

.btn-close-modal:hover, #btn-close-drawer:hover,
.btn-close-modal:active, #btn-close-drawer:active {
  color: #fff;
  background: rgba(239, 68, 68, 0.2);
  border-color: var(--rose-500);
}

.modal-body {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  flex: 1;
}

.modal-footer {
  flex-shrink: 0;
}

.modal-body {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.form-label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.form-control {
  width: 100%;
  padding: 0.75rem 1rem;
  background: rgba(0, 0, 0, 0.35);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 0.85rem;
  outline: none;
  resize: vertical;
}

.form-control:focus {
  border-color: var(--cyan-400);
  box-shadow: 0 0 10px rgba(0, 242, 254, 0.2);
}

.sample-links {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.5rem;
}

.sample-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  width: 100%;
}

.chip-btn {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  color: var(--cyan-400);
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-pill);
  font-size: 0.75rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-fast);
}

.chip-btn:hover {
  background: rgba(0, 242, 254, 0.15);
  border-color: var(--cyan-400);
}

/* Upload Drop Zone */
.drop-zone {
  border: 2px dashed rgba(0, 242, 254, 0.3);
  background: rgba(0, 242, 254, 0.02);
  border-radius: var(--radius-md);
  padding: 2.5rem 1.5rem;
  text-align: center;
  cursor: pointer;
  transition: var(--transition-fast);
  position: relative;
}

.drop-zone:hover, .drop-zone.dragover {
  border-color: var(--cyan-400);
  background: rgba(0, 242, 254, 0.06);
}

.file-input-hidden {
  display: none;
}

.drop-icon {
  width: 44px;
  height: 44px;
  color: var(--cyan-400);
  margin-bottom: 0.75rem;
}

.drop-text {
  font-size: 0.95rem;
  color: var(--text-primary);
}

.drop-subtext {
  font-size: 0.78rem;
  color: var(--text-muted);
}

.selected-file-info {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1rem;
  background: rgba(0, 242, 254, 0.1);
  border-radius: var(--radius-sm);
  border: 1px solid var(--cyan-400);
}

.modal-footer {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.75rem;
  padding: 1.25rem 1.5rem;
  border-top: 1px solid var(--border-subtle);
  background: rgba(0, 0, 0, 0.2);
}

/* Video Stream Player Modal */
.stream-title-box {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.stream-tag {
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--cyan-400);
}

.video-wrapper {
  width: 100%;
  aspect-ratio: 16 / 9;
  background: #000;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.8);
}

#stream-video-player {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.stream-telemetry {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8rem;
  color: var(--text-secondary);
  padding: 0.5rem 0.25rem;
}

/* ==========================================================================
   TOAST NOTIFICATIONS
   ========================================================================== */

.toast-container {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  z-index: 9999;
}

.toast {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.85rem 1.25rem;
  background: #0d1527;
  border-left: 4px solid var(--cyan-400);
  border-radius: var(--radius-sm);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.6);
  color: #fff;
  font-size: 0.85rem;
  animation: slideIn 0.3s ease forwards;
}

.toast.error {
  border-left-color: var(--rose-500);
}

.toast.success {
  border-left-color: var(--emerald-500);
}

@keyframes slideIn {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

/* Base responsiveness hook (detailed rules cascade at end of stylesheet) */
@media (max-width: 900px) {
  .detail-drawer {
    width: 100vw;
  }
}

/* ==========================================================================
   SEARCH, AUTO-FILTER & EXTENSION INTEGRATIONS
   ========================================================================== */

.btn-accent {
  background: linear-gradient(135deg, #7928ca 0%, #4facfe 100%);
  color: #fff;
  box-shadow: 0 4px 15px rgba(121, 40, 202, 0.35);
}

.btn-accent:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 22px rgba(121, 40, 202, 0.5);
}

.btn-icon-glass {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  color: var(--cyan-400);
  cursor: pointer;
  transition: var(--transition-normal);
}

.btn-icon-glass:hover {
  background: rgba(0, 242, 254, 0.15);
  border-color: var(--cyan-400);
  box-shadow: 0 0 15px rgba(0, 242, 254, 0.3);
}

.btn-icon-glass svg {
  width: 20px;
  height: 20px;
}

/* Search Modal Navigation */
.search-modal-nav {
  display: flex;
  background: rgba(0, 0, 0, 0.25);
  border-bottom: 1px solid var(--border-subtle);
  padding: 0 1.5rem;
}

.search-tab-btn {
  padding: 0.85rem 1.25rem;
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  cursor: pointer;
  transition: var(--transition-fast);
}

.search-tab-btn:hover {
  color: var(--text-primary);
}

.search-tab-btn.active {
  color: var(--cyan-400);
  border-bottom-color: var(--cyan-400);
}

.search-modal-body {
  max-height: 70vh;
  overflow-y: auto;
}

.search-input-group {
  display: flex;
  gap: 0.75rem;
  width: 100%;
}

.search-input-group .form-control {
  flex: 1;
}

/* Auto-Filter Toggle Switch */
.auto-filter-option {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.85rem 1.15rem;
  background: rgba(0, 242, 254, 0.04);
  border: 1px solid rgba(0, 242, 254, 0.2);
  border-radius: var(--radius-md);
  margin-top: 0.25rem;
}

.auto-filter-text strong {
  display: block;
  font-size: 0.85rem;
  color: var(--cyan-400);
}

.auto-filter-text p {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.toggle-switch {
  position: relative;
  display: inline-block;
  width: 44px;
  height: 24px;
  flex-shrink: 0;
}

.toggle-switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(255, 255, 255, 0.15);
  transition: var(--transition-fast);
  border-radius: var(--radius-pill);
}

.slider:before {
  position: absolute;
  content: "";
  height: 18px;
  width: 18px;
  left: 3px;
  bottom: 3px;
  background-color: white;
  transition: var(--transition-fast);
  border-radius: 50%;
}

input:checked + .slider {
  background: var(--grad-primary);
  box-shadow: 0 0 10px rgba(0, 242, 254, 0.5);
}

input:checked + .slider:before {
  transform: translateX(20px);
  background-color: #060b16;
}

/* Search Results Cards */
.search-results-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-top: 1rem;
}

.search-result-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 1.25rem;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  transition: var(--transition-fast);
}

.search-result-card:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: var(--border-active);
}

.search-result-info {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  flex: 1;
}

.search-result-title {
  font-size: 0.95rem;
  font-weight: 600;
  color: #fff;
  line-height: 1.3;
}

.search-meta-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.65rem;
  font-size: 0.75rem;
}

.search-meta-badge {
  background: rgba(255, 255, 255, 0.06);
  padding: 0.15rem 0.5rem;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
}

.health-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.15rem 0.55rem;
  border-radius: var(--radius-pill);
  font-weight: 700;
  font-size: 0.72rem;
  background: rgba(16, 185, 129, 0.15);
  color: var(--emerald-500);
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.health-pill.high {
  box-shadow: 0 0 10px rgba(16, 185, 129, 0.3);
}

.search-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 3rem 1rem;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.88rem;
  border: 1px dashed var(--border-subtle);
  border-radius: var(--radius-md);
}

.sniffer-desc {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 0.85rem;
  line-height: 1.5;
}

/* ==========================================================================
   ⚡ TURBO BOOST STYLES & CYBERPUNK ACCENTS
   ========================================================================== */

.btn-turbo {
  background: linear-gradient(135deg, #00f2fe 0%, #a855f7 50%, #ec4899 100%);
  color: #ffffff;
  font-weight: 700;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.4);
  box-shadow: 0 4px 18px rgba(168, 85, 247, 0.4), 0 0 10px rgba(0, 242, 254, 0.3);
  border: 1px solid rgba(255, 255, 255, 0.2);
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.btn-turbo::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.3) 0%, transparent 60%);
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
}

.btn-turbo:hover {
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 6px 25px rgba(168, 85, 247, 0.6), 0 0 15px rgba(0, 242, 254, 0.5);
  filter: brightness(1.1);
}

.btn-turbo:hover::before {
  opacity: 1;
}

.btn-turbo.spinning svg,
.btn-icon.spinning svg {
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.btn-turbo.btn-sm {
  padding: 0.45rem 1rem;
  font-size: 0.78rem;
  border-radius: var(--radius-sm);
}

.btn-turbo-active {
  background: linear-gradient(135deg, #10b981 0%, #06b6d4 100%);
  box-shadow: 0 4px 18px rgba(16, 185, 129, 0.4);
}

/* Card Turbo Boost Button */
.btn-icon.boost-btn {
  color: #c084fc;
  border-color: rgba(192, 132, 252, 0.25);
  background: rgba(168, 85, 247, 0.08);
}

.btn-icon.boost-btn:hover {
  background: rgba(168, 85, 247, 0.25);
  color: #f472b6;
  border-color: rgba(244, 114, 182, 0.5);
  box-shadow: 0 0 12px rgba(168, 85, 247, 0.4);
  transform: scale(1.08);
}

.btn-icon.boost-btn.boosted {
  color: #00f2fe;
  border-color: rgba(0, 242, 254, 0.4);
  background: rgba(0, 242, 254, 0.12);
  box-shadow: 0 0 10px rgba(0, 242, 254, 0.25);
}

/* Turbo Badge on Cards */
.torrent-status-pill.turbo {
  background: linear-gradient(135deg, rgba(0, 242, 254, 0.18) 0%, rgba(168, 85, 247, 0.22) 100%);
  color: #38bdf8;
  border: 1px solid rgba(56, 189, 248, 0.4);
  box-shadow: 0 0 8px rgba(56, 189, 248, 0.2);
  font-weight: 700;
  letter-spacing: 0.05em;
  animation: turboPulse 2.5s infinite;
}

@keyframes turboPulse {
  0%, 100% {
    box-shadow: 0 0 8px rgba(56, 189, 248, 0.2);
    border-color: rgba(56, 189, 248, 0.4);
  }
  50% {
    box-shadow: 0 0 14px rgba(168, 85, 247, 0.45);
    border-color: rgba(168, 85, 247, 0.7);
  }
}

.drawer-header-actions {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.section-title-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.75rem;
}

.section-title-row .section-title {
  margin-bottom: 0;
}

.btn-xs {
  padding: 0.25rem 0.65rem;
  font-size: 0.72rem;
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  cursor: pointer;
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-secondary);
  border: 1px solid var(--border-subtle);
  transition: var(--transition-fast);
}

.btn-xs:hover {
  background: rgba(255, 255, 255, 0.15);
  color: var(--text-primary);
  border-color: rgba(255, 255, 255, 0.25);
}

.btn-xs svg {
  width: 13px;
  height: 13px;
}

/* ==========================================================================
   PROXY SETTINGS MODAL & INDICATORS
   ========================================================================== */

.proxy-tag {
  background: linear-gradient(135deg, rgba(168, 85, 247, 0.25), rgba(0, 242, 254, 0.25));
  border: 1px solid rgba(168, 85, 247, 0.4);
  color: #c084fc;
}

.proxy-toggle-row {
  margin-bottom: 1.25rem;
}

.proxy-form-group {
  margin-bottom: 1rem;
}

.proxy-type-chips {
  display: flex;
  gap: 0.5rem;
  margin-top: 0.35rem;
}

.proxy-type-chip {
  flex: 1;
  padding: 0.6rem 0.75rem;
  font-family: var(--font-sans);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-secondary);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition-fast);
  text-align: center;
}

.proxy-type-chip:hover {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-primary);
  border-color: rgba(255, 255, 255, 0.2);
}

.proxy-type-chip.active {
  background: rgba(168, 85, 247, 0.15);
  border-color: #a855f7;
  color: #d8b4fe;
  box-shadow: 0 0 12px rgba(168, 85, 247, 0.25);
}

.proxy-host-row {
  display: flex;
  gap: 0.75rem;
}

.proxy-host-input {
  flex: 1;
}

.proxy-port-input {
  width: 120px;
  flex-shrink: 0;
}

.proxy-auth-section {
  margin-top: 0.5rem;
  padding-top: 0.75rem;
  border-top: 1px dashed rgba(255, 255, 255, 0.08);
}

.proxy-status-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.85rem 1.15rem;
  background: rgba(0, 0, 0, 0.35);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  margin-top: 1.25rem;
  transition: var(--transition-fast);
}

.proxy-status-card.status-active {
  background: rgba(16, 185, 129, 0.06);
  border-color: rgba(16, 185, 129, 0.3);
}

.proxy-status-card.status-error {
  background: rgba(239, 68, 68, 0.06);
  border-color: rgba(239, 68, 68, 0.3);
}

.proxy-status-card.status-testing {
  background: rgba(0, 242, 254, 0.06);
  border-color: rgba(0, 242, 254, 0.3);
}

.proxy-status-row {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.proxy-status-text {
  font-size: 0.825rem;
  color: var(--text-secondary);
}

.proxy-latency {
  font-size: 0.75rem;
  color: var(--cyan-400);
  background: rgba(0, 242, 254, 0.08);
  padding: 0.2rem 0.5rem;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(0, 242, 254, 0.2);
}

/* Header proxy active indicator badge */
#btn-open-proxy-modal {
  position: relative;
}

#btn-open-proxy-modal.proxy-active {
  border-color: #a855f7;
  background: rgba(168, 85, 247, 0.15);
  box-shadow: 0 0 12px rgba(168, 85, 247, 0.35);
}

#btn-open-proxy-modal.proxy-active::after {
  content: '';
  position: absolute;
  top: 6px;
  right: 6px;
  width: 7px;
  height: 7px;
  background: #a855f7;
  border-radius: 50%;
  box-shadow: 0 0 6px #a855f7;
  animation: pulse-glow 2s infinite ease-in-out;
}

@keyframes pulse-glow {
  0%, 100% {
    transform: scale(1);
    opacity: 1;
  }
  50% {
    transform: scale(1.4);
    opacity: 0.6;
  }
}

/* ==========================================================================
   SWARM QUALITY & CHOKE EVICTION ENGINE (PRIORITY 🥇)
   ========================================================================== */

.swarm-optimizer-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1rem;
  background: rgba(16, 185, 129, 0.04);
  border: 1px solid rgba(16, 185, 129, 0.2);
  border-radius: var(--radius-md);
  margin-bottom: 1rem;
  gap: 1rem;
}

.optimizer-banner-left {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.optimizer-pulse-dot {
  width: 9px;
  height: 9px;
  background: #10b981;
  border-radius: 50%;
  box-shadow: 0 0 8px #10b981;
  flex-shrink: 0;
  animation: pulse-glow 2s infinite ease-in-out;
}

.optimizer-banner-text strong {
  display: block;
  font-size: 0.825rem;
  color: #34d399;
  font-weight: 600;
}

.optimizer-banner-text span {
  font-size: 0.725rem;
  color: var(--text-muted);
}

.peer-score-cell {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.peer-score-pill {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 700;
  padding: 0.2rem 0.45rem;
  border-radius: var(--radius-sm);
  display: inline-block;
  min-width: 38px;
  text-align: center;
}

.peer-score-elite {
  background: rgba(16, 185, 129, 0.15);
  color: #34d399;
  border: 1px solid rgba(16, 185, 129, 0.35);
  box-shadow: 0 0 8px rgba(16, 185, 129, 0.2);
}

.peer-score-good {
  background: rgba(0, 242, 254, 0.12);
  color: var(--cyan-400);
  border: 1px solid rgba(0, 242, 254, 0.3);
}

.peer-score-fair {
  background: rgba(245, 158, 11, 0.12);
  color: #fbbf24;
  border: 1px solid rgba(245, 158, 11, 0.3);
}

.peer-score-stalled {
  background: rgba(239, 68, 68, 0.15);
  color: #f87171;
  border: 1px solid rgba(239, 68, 68, 0.35);
}

.peer-score-label {
  font-size: 0.725rem;
  color: var(--text-secondary);
}

/* ==========================================================================
   MOBILE BOTTOM NAVIGATION BAR (iOS & Android)
   ========================================================================== */

.mobile-bottom-nav {
  display: none;
}

/* ==========================================================================
   COMPREHENSIVE RESPONSIVE DESIGN & MOBILE OPTIMIZATIONS
   ========================================================================== */

/* Tablets & Medium Screens (<= 900px) */
@media (max-width: 900px) {
  .app-container {
    padding: 1.25rem 1.5rem;
  }

  .app-header {
    flex-direction: column;
    align-items: stretch;
    gap: 1.25rem;
    padding: 1.25rem;
  }

  .brand-section {
    width: 100%;
    justify-content: space-between;
  }

  .telemetry-hub {
    width: 100%;
    justify-content: space-between;
    flex-wrap: wrap;
  }

  .header-actions {
    width: 100%;
    justify-content: flex-start;
    flex-wrap: wrap;
  }

  .toolbar {
    flex-direction: column;
    align-items: stretch;
    gap: 0.85rem;
  }

  .filter-tabs {
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }

  .filter-tabs::-webkit-scrollbar {
    display: none;
  }

  .search-box {
    width: 100%;
  }

  .detail-drawer {
    width: 100vw;
    max-width: 100vw;
  }
}

/* Mobile Devices & Phones (<= 768px) - Android & iOS */
@media (max-width: 768px) {
  /* Prevent iOS Safari auto-zoom on form inputs */
  input, textarea, select, .form-control {
    font-size: 16px !important;
  }

  .app-container {
    padding: 0.85rem;
    padding-top: max(0.85rem, env(safe-area-inset-top));
    padding-left: max(0.85rem, env(safe-area-inset-left));
    padding-right: max(0.85rem, env(safe-area-inset-right));
    padding-bottom: calc(76px + env(safe-area-inset-bottom));
    gap: 0.85rem;
  }

  /* Header on Mobile */
  .app-header {
    padding: 0.9rem;
    gap: 0.85rem;
    border-radius: var(--radius-md);
  }

  .brand-section {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    gap: 0.5rem;
  }

  .brand-logo {
    width: 38px;
    height: 38px;
    border-radius: var(--radius-sm);
  }

  .brand-icon {
    width: 22px;
    height: 22px;
  }

  .brand-title {
    font-size: 1.25rem;
  }

  .brand-badge {
    font-size: 0.68rem;
  }

  /* Telemetry Hub 2-Column Grid on Mobile */
  .telemetry-hub {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.5rem;
    width: 100%;
  }

  .telemetry-card {
    padding: 0.55rem 0.75rem;
    gap: 0.5rem;
    border-radius: var(--radius-sm);
  }

  .telemetry-icon svg {
    width: 18px;
    height: 18px;
  }

  .telemetry-label {
    font-size: 0.62rem;
  }

  .telemetry-value {
    font-size: 0.95rem;
    min-width: auto;
  }

  .telemetry-mini-group {
    grid-column: 1 / -1;
    display: flex;
    flex-direction: row;
    gap: 0.35rem;
    width: 100%;
  }

  .telemetry-pill {
    flex: 1;
    justify-content: center;
    font-size: 0.68rem;
    padding: 0.3rem 0.25rem;
    text-align: center;
  }

  /* Header Actions Touch Grid on Mobile */
  .header-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.45rem;
    width: 100%;
  }

  .header-actions .btn {
    padding: 0.6rem 0.5rem;
    font-size: 0.78rem;
    min-height: 42px;
    width: 100%;
    gap: 0.35rem;
  }

  .header-actions .btn svg {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
  }

  #btn-open-magnet-modal {
    grid-column: 1;
  }

  #btn-open-search-modal {
    grid-column: 2;
  }

  #btn-turbo-all {
    grid-column: 1;
  }

  #btn-open-upload-modal {
    grid-column: 2;
  }

  .header-util-group {
    grid-column: 1 / -1;
    display: flex;
    justify-content: center;
    gap: 0.75rem;
    margin-top: 0.2rem;
  }

  .btn-icon-glass {
    width: 42px;
    height: 42px;
    border-radius: var(--radius-sm);
  }

  /* Toolbar Filter Tabs & Search */
  .toolbar {
    flex-direction: column;
    align-items: stretch;
    gap: 0.65rem;
    margin-bottom: 0.85rem;
  }

  .filter-tabs {
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    white-space: nowrap;
    padding: 0.25rem;
    gap: 0.35rem;
  }

  .tab-btn {
    flex: 0 0 auto;
    padding: 0.45rem 0.75rem;
    font-size: 0.78rem;
    min-height: 38px;
  }

  .search-box {
    width: 100%;
  }

  .search-box input {
    width: 100%;
    height: 42px;
    padding-left: 2.3rem;
  }

  /* Bandwidth Sparkline Visualizer */
  .bandwidth-monitor-panel {
    padding: 0.75rem 0.85rem;
    margin-bottom: 0.85rem;
    border-radius: var(--radius-md);
  }

  .monitor-header {
    margin-bottom: 0.35rem;
  }

  .monitor-title {
    font-size: 0.65rem;
  }

  .monitor-legend {
    gap: 0.65rem;
    font-size: 0.7rem;
  }

  #bandwidth-canvas {
    height: 65px;
  }

  /* Torrent Cards on Mobile */
  .torrent-card {
    padding: 0.85rem;
    border-radius: var(--radius-md);
  }

  .card-top-row {
    flex-direction: column;
    align-items: stretch;
    gap: 0.65rem;
    margin-bottom: 0.65rem;
  }

  .card-name-group {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.4rem;
    width: 100%;
  }

  .card-title {
    font-size: 0.92rem;
    line-height: 1.35;
    width: 100%;
    word-break: break-word;
    overflow-wrap: anywhere;
  }

  .card-controls {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    width: 100%;
    gap: 0.45rem;
    padding-top: 0.5rem;
    border-top: 1px dashed rgba(255, 255, 255, 0.06);
  }

  .card-controls .btn-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-sm);
  }

  .progress-container {
    margin-bottom: 0.65rem;
  }

  .progress-info-row {
    font-size: 0.75rem;
  }

  .card-metrics-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.45rem 0.65rem;
    padding-top: 0.65rem;
    font-size: 0.75rem;
  }

  /* Empty State */
  .empty-state {
    padding: 2.5rem 1rem;
  }

  .empty-title {
    font-size: 1.15rem;
  }

  .empty-desc {
    font-size: 0.85rem;
  }

  .empty-actions {
    flex-direction: column;
    width: 100%;
    max-width: 280px;
    gap: 0.65rem;
  }

  .empty-actions .btn {
    width: 100%;
    min-height: 42px;
  }

  /* Detail Drawer on Mobile */
  .detail-drawer {
    width: 100vw;
    max-width: 100vw;
    height: 100vh;
    height: 100dvh;
    border-left: none;
    padding-top: env(safe-area-inset-top);
    padding-bottom: env(safe-area-inset-bottom);
    z-index: 1600;
  }

  .drawer-backdrop {
    z-index: 1599;
  }

  .drawer-header {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    padding: 0.9rem 1rem;
    position: relative;
    gap: 0.75rem;
    background: #090f1d;
    flex-shrink: 0;
  }

  .drawer-title-group {
    padding-right: 48px;
    width: 100%;
    margin-right: 0;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
  }

  .drawer-badge {
    align-self: flex-start;
    display: inline-block;
  }

  .drawer-title {
    font-size: 1.05rem;
    font-weight: 700;
    line-height: 1.3;
    word-break: break-word;
    overflow-wrap: anywhere;
  }

  .drawer-hash {
    font-size: 0.72rem;
    word-break: break-all;
    display: block;
    width: 100%;
    line-height: 1.3;
  }

  .drawer-header-actions {
    width: 100%;
    display: flex;
    gap: 0.5rem;
  }

  #btn-drawer-pause-toggle {
    flex: 1;
    min-height: 42px;
    justify-content: center;
  }

  #btn-drawer-boost {
    flex: 1;
    min-height: 42px;
    justify-content: center;
  }

  #btn-close-drawer {
    position: absolute;
    top: max(0.85rem, env(safe-area-inset-top));
    right: 0.85rem;
    width: 38px;
    height: 38px;
    z-index: 20;
    display: flex;
    align-items: center;
    justify-content: center;
  }

  .drawer-tabs {
    flex-shrink: 0;
    overflow-x: auto;
    white-space: nowrap;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    padding: 0 0.5rem;
    display: flex;
  }

  .drawer-tab-btn {
    padding: 0.75rem 0.85rem;
    font-size: 0.8rem;
    min-height: 44px;
    flex-shrink: 0;
  }

  .drawer-content {
    flex: 1;
    padding: 0.85rem;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    padding-bottom: max(2rem, env(safe-area-inset-bottom));
  }

  .metrics-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 0.5rem;
    margin-bottom: 0.85rem;
  }

  .metric-card {
    padding: 0.65rem;
  }

  .m-label {
    font-size: 0.65rem;
    margin-bottom: 0.2rem;
  }

  .m-val {
    font-size: 0.88rem;
  }

  .code-box {
    font-size: 0.75rem;
    padding: 0.5rem 0.75rem;
  }

  .swarm-optimizer-banner {
    flex-direction: column;
    align-items: stretch;
    gap: 0.65rem;
    padding: 0.75rem;
  }

  #btn-optimize-swarm {
    width: 100%;
    min-height: 40px;
  }

  /* Piece Matrix on Mobile */
  .pieces-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
    margin-bottom: 0.75rem;
  }

  .pieces-info {
    flex-wrap: wrap;
    gap: 0.5rem 0.85rem;
    width: 100%;
    justify-content: space-between;
  }

  .piece-hover-tip {
    font-size: 0.72rem;
    width: 100%;
  }

  .table-responsive {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    width: 100%;
  }

  .data-table {
    min-width: 560px;
    font-size: 0.75rem;
  }

  .file-row {
    flex-direction: column;
    align-items: stretch;
    gap: 0.65rem;
    padding: 0.75rem;
  }

  .file-main-info {
    width: 100%;
  }

  .file-actions-row {
    width: 100%;
    justify-content: flex-end;
    gap: 0.5rem;
  }

  .file-download-btn, .stream-file-btn {
    min-height: 38px;
    padding: 0.45rem 0.85rem;
    font-size: 0.78rem;
  }

  /* Mobile Bottom Navigation Bar */
  .mobile-bottom-nav {
    display: flex;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: 60px;
    padding-bottom: env(safe-area-inset-bottom);
    box-sizing: content-box;
    background: rgba(8, 13, 25, 0.94);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-top: 1px solid var(--border-subtle);
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.6);
    z-index: 1500;
    align-items: center;
    justify-content: space-around;
    padding-left: max(0.5rem, env(safe-area-inset-left));
    padding-right: max(0.5rem, env(safe-area-inset-right));
  }

  .mobile-nav-item {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.2rem;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-family: var(--font-sans);
    font-size: 0.68rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    padding: 0.4rem 0.2rem;
    cursor: pointer;
    touch-action: manipulation;
    transition: var(--transition-fast);
    text-decoration: none;
  }

  .mobile-nav-item svg {
    width: 20px;
    height: 20px;
    stroke: var(--text-secondary);
    transition: var(--transition-fast);
  }

  .mobile-nav-item:active,
  .mobile-nav-item.active {
    color: var(--cyan-400);
  }

  .mobile-nav-item:active svg,
  .mobile-nav-item.active svg {
    stroke: var(--cyan-400);
    transform: translateY(-1px);
  }

  .mobile-nav-fab {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: var(--grad-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 10px rgba(0, 242, 254, 0.5);
    margin-top: -12px;
    transition: transform 0.2s cubic-bezier(0.34, 1.56, 0.64, 1);
  }

  .mobile-nav-fab svg {
    stroke: #050a14 !important;
    width: 20px;
    height: 20px;
  }

  .mobile-nav-item:active .mobile-nav-fab {
    transform: scale(0.92);
  }
}

/* Screen <= 640px - Bottom Sheet Modals & Mobile Forms */
@media (max-width: 640px) {
  .modal-backdrop {
    align-items: flex-end;
    padding: 0;
  }

  .modal-card {
    width: 100%;
    max-width: 100vw;
    margin: 0;
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    max-height: calc(100dvh - 1.5rem);
    border-bottom: none;
    transform: translateY(100%);
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  }

  .modal-backdrop.open .modal-card {
    transform: translateY(0);
  }

  .modal-header {
    padding: 0.9rem 1.15rem;
    flex-shrink: 0;
  }

  .modal-title {
    font-size: 1.05rem;
  }

  .modal-body {
    padding: 1rem 1.15rem;
    gap: 0.85rem;
    flex: 1;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
  }

  .modal-footer {
    padding: 0.85rem 1.15rem;
    flex-direction: column-reverse;
    gap: 0.5rem;
    width: 100%;
    padding-bottom: max(1rem, env(safe-area-inset-bottom));
    flex-shrink: 0;
  }

  .modal-footer .btn {
    width: 100%;
    min-height: 44px;
    justify-content: center;
  }

  /* Proxy Host & Port on Mobile */
  .proxy-host-row {
    flex-direction: column;
    gap: 0.5rem;
  }

  .proxy-port-input {
    width: 100%;
  }

  /* Search Swarms Modal on Mobile */
  .search-modal-nav {
    padding: 0 0.85rem;
    overflow-x: auto;
    white-space: nowrap;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }

  .search-modal-nav::-webkit-scrollbar {
    display: none;
  }

  .search-tab-btn {
    padding: 0.75rem 0.85rem;
    font-size: 0.8rem;
    min-height: 42px;
  }

  .search-input-group {
    gap: 0.5rem;
  }

  .search-result-card {
    flex-direction: column;
    align-items: stretch;
    gap: 0.65rem;
    padding: 0.85rem;
  }

  .btn-dl-search, .btn-dl-sniff {
    width: 100%;
    min-height: 42px;
    justify-content: center;
  }

  .video-wrapper {
    max-height: 45vh;
  }

  .stream-telemetry {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.25rem;
    font-size: 0.75rem;
  }

  /* Toasts above mobile bottom nav */
  .toast-container {
    left: 0.85rem;
    right: 0.85rem;
    bottom: calc(75px + env(safe-area-inset-bottom));
    align-items: stretch;
  }

  .toast {
    width: 100%;
    font-size: 0.82rem;
    padding: 0.75rem 1rem;
  }
}

/* Small Screens (<= 400px - iPhone SE, Compact Phones) */
@media (max-width: 400px) {
  .brand-title {
    font-size: 1.15rem;
  }

  .header-actions {
    grid-template-columns: 1fr;
  }

  #btn-open-magnet-modal,
  #btn-open-search-modal,
  #btn-turbo-all,
  #btn-open-upload-modal {
    grid-column: 1;
  }

  .telemetry-card {
    padding: 0.45rem 0.55rem;
  }

  .telemetry-value {
    font-size: 0.85rem;
  }

  .card-metrics-row {
    grid-template-columns: 1fr 1fr;
    gap: 0.35rem;
  }
}