/* ═══════════════════════════════════════════════════════════════
   F1 RACE REPLAY — Premium Broadcast Experience
   ═══════════════════════════════════════════════════════════════ */

:root {
  /* Core palette */
  --f1-red: #E10600;
  --f1-red-glow: rgba(225, 6, 0, 0.6);
  --f1-dark: #0A0A0A;
  --f1-surface: #111113;
  --f1-card: #161618;
  --f1-card-border: #222226;
  --f1-text: #E8E8EC;
  --f1-text-dim: #7A7A82;
  --f1-text-muted: #4A4A52;
  --f1-accent: #E10600;

  /* Track colors */
  --track-surface: #1A1A1E;
  --track-line: #3A3A42;
  --track-glow: rgba(100, 200, 255, 0.15);
  --track-neon: #38BDF8;

  /* Team colors */
  --team-redbull: #3671C6;
  --team-mercedes: #27F4D2;
  --team-ferrari: #E8002D;
  --team-mclaren: #FF8000;
  --team-astonmartin: #229971;
  --team-alpine: #FF87BC;
  --team-williams: #64C4FF;
  --team-rb: #6692FF;
  --team-sauber: #52E252;
  --team-haas: #B6BABD;

  /* Tyre colors */
  --tyre-soft: #FF3333;
  --tyre-medium: #FFC300;
  --tyre-hard: #EEEEEE;
  --tyre-inter: #39B54A;
  --tyre-wet: #0067FF;

  /* Status */
  --status-green: #00D455;
  --status-yellow: #FFD700;
  --status-red: #FF2020;
  --status-sc: #FF8C00;

  /* Spacing */
  --panel-width: 290px;
  --header-height: 56px;
  --footer-height: 92px;
  --gap: 8px;
  --radius: 6px;
}

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

html, body {
  height: 100%;
  overflow: hidden;
  background: var(--f1-dark);
  color: var(--f1-text);
  font-family: 'Rajdhani', 'Segoe UI', sans-serif;
  font-weight: 500;
  -webkit-font-smoothing: antialiased;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  background:
    radial-gradient(ellipse 120% 60% at 50% 0%, rgba(225, 6, 0, 0.04) 0%, transparent 60%),
    radial-gradient(ellipse 80% 40% at 80% 100%, rgba(56, 189, 248, 0.03) 0%, transparent 50%);
  pointer-events: none;
  z-index: 0;
}

.hidden { display: none !important; }

/* ═══ LOADING SCREEN ═══════════════════════════════════════════ */
#loading-screen {
  position: fixed;
  inset: 0;
  background: var(--f1-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  transition: opacity 0.8s ease, visibility 0.8s ease;
}
#loading-screen.fade-out {
  opacity: 0;
  visibility: hidden;
}

.loader-content {
  text-align: center;
}

.loader-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-bottom: 48px;
}

.loader-f1 {
  font-family: 'Orbitron', monospace;
  font-size: 72px;
  font-weight: 900;
  color: var(--f1-red);
  text-shadow: 0 0 40px var(--f1-red-glow), 0 0 80px rgba(225, 6, 0, 0.3);
  letter-spacing: -2px;
}

.loader-divider {
  width: 3px;
  height: 48px;
  background: linear-gradient(to bottom, transparent, var(--f1-red), transparent);
}

.loader-text {
  font-family: 'Orbitron', monospace;
  font-size: 24px;
  font-weight: 600;
  color: var(--f1-text);
  letter-spacing: 8px;
}

.loader-track {
  width: 300px;
  height: 4px;
  background: var(--f1-card-border);
  border-radius: 2px;
  margin: 0 auto 24px;
  position: relative;
  overflow: hidden;
}

.loader-car {
  position: absolute;
  width: 24px;
  height: 4px;
  background: var(--f1-red);
  border-radius: 2px;
  box-shadow: 0 0 12px var(--f1-red-glow), -8px 0 20px var(--f1-red-glow);
  animation: loader-race 1.2s ease-in-out infinite;
}

@keyframes loader-race {
  0% { left: -24px; }
  100% { left: 300px; }
}

.loader-status {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: var(--f1-text-dim);
  letter-spacing: 3px;
  margin-bottom: 16px;
}

.loader-bar {
  width: 200px;
  height: 2px;
  background: var(--f1-card-border);
  margin: 0 auto;
  border-radius: 1px;
  overflow: hidden;
}

.loader-bar-fill {
  height: 100%;
  width: 0%;
  background: var(--f1-red);
  transition: width 0.3s ease;
}

/* ═══ SESSION BANNER ═══════════════════════════════════════════ */
#session-banner {
  height: var(--header-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
  background: linear-gradient(180deg, rgba(22, 22, 24, 0.98) 0%, rgba(16, 16, 18, 0.95) 100%);
  border-bottom: 1px solid var(--f1-card-border);
  position: relative;
  z-index: 10;
}

#session-banner::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent 0%, var(--f1-red) 20%, var(--f1-red) 80%, transparent 100%);
  opacity: 0.5;
}

.banner-left {
  display: flex;
  align-items: center;
  gap: 12px;
}

.banner-flag-indicator {
  width: 4px;
  height: 32px;
  background: var(--f1-red);
  border-radius: 2px;
  box-shadow: 0 0 8px var(--f1-red-glow);
}

.banner-round {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  color: var(--f1-red);
  letter-spacing: 3px;
  font-weight: 600;
}

.banner-name {
  font-family: 'Orbitron', monospace;
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 2px;
  display: block;
}

.banner-center {
  text-align: center;
}

.banner-circuit {
  font-size: 14px;
  font-weight: 600;
  color: var(--f1-text-dim);
}

.banner-detail {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  color: var(--f1-text-muted);
  letter-spacing: 1px;
}

.banner-right {
  text-align: right;
  display: flex;
  align-items: center;
  gap: 20px;
}

.banner-lap {
  display: flex;
  align-items: baseline;
  gap: 4px;
}

.lap-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  color: var(--f1-text-muted);
  letter-spacing: 2px;
  margin-right: 4px;
}

.lap-current {
  font-family: 'Orbitron', monospace;
  font-size: 28px;
  font-weight: 800;
  color: var(--f1-text);
  line-height: 1;
}

.lap-slash {
  font-size: 18px;
  color: var(--f1-text-muted);
  margin: 0 2px;
}

.lap-total {
  font-family: 'Orbitron', monospace;
  font-size: 16px;
  font-weight: 600;
  color: var(--f1-text-dim);
}

.banner-time {
  font-family: 'JetBrains Mono', monospace;
  font-size: 16px;
  color: var(--f1-text-dim);
  letter-spacing: 1px;
  min-width: 90px;
}

/* ═══ MAIN CONTENT LAYOUT ═════════════════════════════════════ */
#main-content {
  display: flex;
  height: calc(100vh - var(--header-height) - var(--footer-height));
  position: relative;
  z-index: 1;
}

/* ═══ LEFT PANEL ═══════════════════════════════════════════════ */
#left-panel {
  width: var(--panel-width);
  min-width: var(--panel-width);
  padding: var(--gap);
  display: flex;
  flex-direction: column;
  gap: var(--gap);
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--f1-card-border) transparent;
}

.panel-card {
  background: var(--f1-card);
  border: 1px solid var(--f1-card-border);
  border-radius: var(--radius);
  overflow: hidden;
}

.card-header {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 10px 14px;
  font-family: 'Orbitron', monospace;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 3px;
  color: var(--f1-text-dim);
  border-bottom: 1px solid var(--f1-card-border);
  background: rgba(255, 255, 255, 0.01);
}

.card-icon {
  color: var(--f1-red);
  font-size: 8px;
}

/* ═══ WEATHER ═════════════════════════════════════════════════ */
.weather-status {
  margin-left: auto;
  padding: 2px 8px;
  background: rgba(0, 212, 85, 0.15);
  color: var(--status-green);
  border-radius: 3px;
  font-size: 9px;
  font-family: 'JetBrains Mono', monospace;
  letter-spacing: 2px;
}

.weather-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--f1-card-border);
}

.weather-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  background: var(--f1-card);
}

.weather-icon {
  font-size: 16px;
  width: 24px;
  text-align: center;
}

.weather-value {
  font-family: 'Orbitron', monospace;
  font-size: 14px;
  font-weight: 700;
  color: var(--f1-text);
  display: block;
}

.weather-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 8px;
  color: var(--f1-text-muted);
  letter-spacing: 2px;
  display: block;
}

/* ═══ DRIVER TELEMETRY ════════════════════════════════════════ */
.driver-select-hint {
  padding: 20px 14px;
  text-align: center;
  color: var(--f1-text-muted);
  font-size: 12px;
  font-style: italic;
}

.driver-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  border-bottom: 1px solid var(--f1-card-border);
  transition: background 0.3s ease;
}

.driver-pos {
  font-family: 'Orbitron', monospace;
  font-size: 22px;
  font-weight: 800;
  color: var(--f1-text);
  min-width: 40px;
}

.driver-code {
  font-family: 'Orbitron', monospace;
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 2px;
  display: block;
}

.driver-team {
  font-size: 11px;
  color: var(--f1-text-dim);
  display: block;
}

.telemetry-grid {
  padding: 12px 14px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.telem-item {
  position: relative;
}

.telem-item .telem-value {
  font-family: 'Orbitron', monospace;
  font-size: 28px;
  font-weight: 800;
  color: var(--f1-text);
  display: inline;
}

.telem-unit {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  color: var(--f1-text-muted);
  margin-left: 4px;
  letter-spacing: 1px;
}

.telem-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 9px;
  color: var(--f1-text-muted);
  letter-spacing: 2px;
  margin-bottom: 4px;
  display: block;
}

.telem-row {
  display: flex;
  gap: 10px;
}

.telem-item.half {
  flex: 1;
}

.gear-value {
  font-size: 22px !important;
  color: var(--track-neon) !important;
}

.drs-value {
  font-size: 14px !important;
  padding: 2px 8px;
  border-radius: 3px;
  font-family: 'JetBrains Mono', monospace !important;
}

.drs-value.drs-on {
  background: rgba(0, 212, 85, 0.2);
  color: var(--status-green);
}

.drs-value.drs-avail {
  background: rgba(255, 215, 0, 0.15);
  color: var(--status-yellow);
}

.drs-value.drs-off {
  background: rgba(255, 255, 255, 0.05);
  color: var(--f1-text-muted);
}

.telem-bar {
  height: 4px;
  background: rgba(255, 255, 255, 0.06);
  border-radius: 2px;
  overflow: hidden;
  margin-top: 4px;
}

.telem-bar-fill {
  height: 100%;
  border-radius: 2px;
  transition: width 0.15s ease;
}

.speed-bar { background: linear-gradient(90deg, var(--track-neon), #60A5FA); }
.throttle-bar { background: linear-gradient(90deg, #22C55E, #4ADE80); }
.brake-bar { background: linear-gradient(90deg, #EF4444, #F87171); }

/* TYRE INFO */
.tyre-info {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-top: 8px;
  border-top: 1px solid var(--f1-card-border);
}

.tyre-compound {
  display: flex;
  align-items: center;
  gap: 6px;
}

.tyre-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  border: 2px solid;
}

.tyre-dot.soft { background: var(--tyre-soft); border-color: var(--tyre-soft); }
.tyre-dot.medium { background: var(--tyre-medium); border-color: var(--tyre-medium); }
.tyre-dot.hard { background: var(--tyre-hard); border-color: var(--tyre-hard); }
.tyre-dot.inter { background: var(--tyre-inter); border-color: var(--tyre-inter); }
.tyre-dot.wet { background: var(--tyre-wet); border-color: var(--tyre-wet); }

.tyre-name {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 2px;
  color: var(--f1-text);
}

.tyre-life {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 6px;
}

.tyre-life-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 8px;
  color: var(--f1-text-muted);
  letter-spacing: 2px;
}

.tyre-life-bar {
  flex: 1;
  height: 4px;
  background: rgba(255, 255, 255, 0.06);
  border-radius: 2px;
  overflow: hidden;
}

.tyre-life-fill {
  height: 100%;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--f1-red), var(--status-yellow), var(--status-green));
  transition: width 0.3s ease;
}

.tyre-laps {
  font-family: 'JetBrains Mono', monospace;
  font-size: 9px;
  color: var(--f1-text-dim);
}

/* ═══ SPEED CHART ═════════════════════════════════════════════ */
.speed-card {
  flex-shrink: 0;
}

#speed-chart {
  display: block;
  width: 100%;
  height: 80px;
}

/* ═══ TRACK CANVAS ════════════════════════════════════════════ */
#track-container {
  flex: 1;
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(ellipse 100% 100% at 50% 50%, rgba(20, 20, 25, 1) 0%, var(--f1-dark) 100%);
}

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

.track-overlay-info {
  position: absolute;
  top: 12px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 5;
}

.track-status {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: rgba(16, 16, 18, 0.9);
  border: 1px solid var(--f1-card-border);
  border-radius: 20px;
  backdrop-filter: blur(8px);
}

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

.status-dot.green {
  background: var(--status-green);
  box-shadow: 0 0 6px var(--status-green);
}
.status-dot.yellow {
  background: var(--status-yellow);
  box-shadow: 0 0 6px var(--status-yellow);
  animation: pulse-yellow 1s ease infinite;
}
.status-dot.red {
  background: var(--status-red);
  box-shadow: 0 0 6px var(--status-red);
  animation: pulse-red 0.6s ease infinite;
}
.status-dot.sc {
  background: var(--status-sc);
  box-shadow: 0 0 6px var(--status-sc);
  animation: pulse-yellow 1.5s ease infinite;
}

@keyframes pulse-yellow {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}
@keyframes pulse-red {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

.status-text {
  font-family: 'Orbitron', monospace;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 3px;
  color: var(--f1-text);
}

/* ═══ LEADERBOARD ═════════════════════════════════════════════ */
#right-panel {
  width: var(--panel-width);
  min-width: var(--panel-width);
  padding: var(--gap);
}

.leaderboard-card {
  height: 100%;
  display: flex;
  flex-direction: column;
}

.lb-tabs {
  margin-left: auto;
  display: flex;
  gap: 2px;
}

.lb-tab {
  font-family: 'JetBrains Mono', monospace;
  font-size: 9px;
  letter-spacing: 1px;
  padding: 3px 8px;
  background: transparent;
  color: var(--f1-text-muted);
  border: 1px solid var(--f1-card-border);
  border-radius: 3px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.lb-tab.active {
  background: var(--f1-red);
  color: white;
  border-color: var(--f1-red);
}

.leaderboard-list {
  flex: 1;
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--f1-card-border) transparent;
}

.lb-row {
  display: flex;
  align-items: center;
  padding: 5px 10px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.03);
  cursor: pointer;
  transition: background 0.15s ease;
  position: relative;
  height: 32px;
}

.lb-row:hover {
  background: rgba(255, 255, 255, 0.03);
}

.lb-row.selected {
  background: rgba(255, 255, 255, 0.06);
}

.lb-row.pit-animation {
  animation: pit-flash 0.6s ease;
}

@keyframes pit-flash {
  0%, 100% { background: transparent; }
  50% { background: rgba(255, 200, 0, 0.15); }
}

.lb-pos {
  font-family: 'Orbitron', monospace;
  font-size: 12px;
  font-weight: 700;
  width: 28px;
  text-align: center;
  color: var(--f1-text);
}

.lb-pos.p1 { color: #FFD700; }
.lb-pos.p2 { color: #C0C0C0; }
.lb-pos.p3 { color: #CD7F32; }

.lb-color-bar {
  width: 3px;
  height: 18px;
  border-radius: 1.5px;
  margin-right: 8px;
  flex-shrink: 0;
}

.lb-driver {
  font-family: 'Rajdhani', sans-serif;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 1px;
  flex: 1;
  white-space: nowrap;
}

.lb-tyre {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  margin: 0 6px;
  flex-shrink: 0;
  border: 1.5px solid;
}

.lb-drs {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  margin-right: 6px;
  flex-shrink: 0;
  opacity: 0.3;
}

.lb-drs.active {
  opacity: 1;
  background: var(--status-green);
  box-shadow: 0 0 4px var(--status-green);
}

.lb-gap {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  color: var(--f1-text-dim);
  text-align: right;
  min-width: 60px;
}

.lb-gap.pit {
  color: var(--status-yellow);
  font-weight: 600;
}

.lb-change {
  font-size: 8px;
  width: 14px;
  text-align: center;
  margin-left: 2px;
}

.lb-change.up { color: var(--status-green); }
.lb-change.down { color: var(--status-red); }

.lb-row.retired {
  opacity: 0.35;
}

.lb-row.retired .lb-driver {
  text-decoration: line-through;
}

/* ═══ CONTROLS BAR ════════════════════════════════════════════ */
#controls-bar {
  height: var(--footer-height);
  background: linear-gradient(0deg, rgba(10, 10, 10, 0.98) 0%, rgba(16, 16, 18, 0.95) 100%);
  border-top: 1px solid var(--f1-card-border);
  padding: 8px 20px 10px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  position: relative;
  z-index: 10;
}

#controls-bar::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent 0%, rgba(225, 6, 0, 0.3) 50%, transparent 100%);
}

/* PROGRESS BAR */
.progress-container {
  position: relative;
}

.progress-track {
  height: 6px;
  background: rgba(255, 255, 255, 0.06);
  border-radius: 3px;
  position: relative;
  cursor: pointer;
  transition: height 0.15s ease;
}

.progress-track:hover {
  height: 10px;
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--f1-red), #FF4040);
  border-radius: 3px;
  width: 0%;
  transition: width 0.1s linear;
  position: relative;
}

.progress-fill::after {
  content: '';
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 2px;
  height: 14px;
  background: white;
  border-radius: 1px;
  box-shadow: 0 0 6px rgba(255, 255, 255, 0.5);
}

.progress-handle {
  display: none;
}

.progress-markers {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.progress-marker {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 1px;
  background: rgba(255, 255, 255, 0.08);
}

.progress-events {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.progress-event {
  position: absolute;
  top: -2px;
  bottom: -2px;
  border-radius: 1px;
  opacity: 0.6;
}

.progress-event.sc { background: var(--status-sc); }
.progress-event.vsc { background: var(--status-yellow); opacity: 0.4; }
.progress-event.red { background: var(--status-red); }

.progress-laps {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

/* CONTROLS ROW */
.controls-row {
  display: flex;
  align-items: center;
  gap: 16px;
}

.control-group {
  display: flex;
  gap: 4px;
}

.ctrl-btn {
  width: 36px;
  height: 36px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--f1-card-border);
  border-radius: var(--radius);
  color: var(--f1-text);
  font-size: 14px;
  cursor: pointer;
  transition: all 0.15s ease;
  display: flex;
  align-items: center;
  justify-content: center;
}

.ctrl-btn:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--f1-text-muted);
}

.ctrl-btn.ctrl-play {
  width: 44px;
  height: 44px;
  font-size: 18px;
  background: var(--f1-red);
  border-color: var(--f1-red);
  border-radius: 50%;
  margin: 0 4px;
}

.ctrl-btn.ctrl-play:hover {
  background: #FF1A10;
  box-shadow: 0 0 16px var(--f1-red-glow);
}

.ctrl-btn.ctrl-play.playing {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--f1-text-dim);
}

.speed-group {
  display: flex;
  gap: 2px;
  margin-left: 8px;
}

.speed-btn {
  padding: 6px 10px;
  background: transparent;
  border: 1px solid var(--f1-card-border);
  border-radius: 3px;
  color: var(--f1-text-muted);
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  cursor: pointer;
  transition: all 0.15s ease;
}

.speed-btn:hover {
  color: var(--f1-text);
  border-color: var(--f1-text-muted);
}

.speed-btn.active {
  background: var(--f1-red);
  border-color: var(--f1-red);
  color: white;
}

.controls-info {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 16px;
}

.info-speed {
  font-family: 'Orbitron', monospace;
  font-size: 16px;
  font-weight: 700;
  color: var(--f1-text);
}

.info-fps {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  color: var(--f1-text-muted);
  letter-spacing: 1px;
}

/* ═══ ANIMATIONS ══════════════════════════════════════════════ */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes slideInLeft {
  from { opacity: 0; transform: translateX(-20px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes slideInRight {
  from { opacity: 0; transform: translateX(20px); }
  to { opacity: 1; transform: translateX(0); }
}

#app:not(.hidden) #left-panel {
  animation: slideInLeft 0.6s ease 0.2s both;
}

#app:not(.hidden) #right-panel {
  animation: slideInRight 0.6s ease 0.3s both;
}

#app:not(.hidden) #session-banner {
  animation: fadeInUp 0.5s ease 0.1s both;
}

#app:not(.hidden) #controls-bar {
  animation: fadeInUp 0.5s ease 0.4s both;
}

/* ═══ CUSTOM SCROLLBAR ════════════════════════════════════════ */
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb {
  background: var(--f1-card-border);
  border-radius: 2px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--f1-text-muted);
}