/* High-impact visual polish for Trainers and the active session experience. */

/* --------------------------------------------------------------------------
   Trainer selection
   -------------------------------------------------------------------------- */

.trainer-grid {
  grid-template-columns: repeat(auto-fit, minmax(290px, 1fr));
  gap: 16px;
}

.trainer-option {
  --trainer-glow: color-mix(in srgb, var(--trainer-accent, #38bdf8) 18%, transparent);
  gap: 13px;
  padding: 17px;
  border-radius: 19px;
  background:
    radial-gradient(circle at 12% 8%, var(--trainer-glow), transparent 42%),
    linear-gradient(155deg, rgba(30, 41, 59, 0.96), rgba(8, 15, 29, 0.98));
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.045),
    0 12px 30px rgba(0, 0, 0, 0.20);
}

.trainer-option::before {
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--trainer-accent, #38bdf8) 20%, var(--trainer-accent, #38bdf8) 72%, transparent);
  opacity: 0.82;
}

.trainer-option::after {
  content: "";
  position: absolute;
  inset: auto 12% -54px;
  height: 76px;
  border-radius: 50%;
  background: var(--trainer-accent, #38bdf8);
  opacity: 0.055;
  filter: blur(28px);
  pointer-events: none;
}

.trainer-option:hover {
  transform: translateY(-2px);
  border-color: color-mix(in srgb, var(--trainer-accent, #38bdf8) 42%, #475569);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.06),
    0 16px 38px rgba(0, 0, 0, 0.27),
    0 0 32px color-mix(in srgb, var(--trainer-accent, #38bdf8) 7%, transparent);
}

.trainer-card-top {
  display: grid;
  grid-template-columns: minmax(108px, 0.72fr) minmax(0, 1fr);
  align-items: stretch;
  gap: 17px;
}

.trainer-portrait {
  width: 100%;
  height: auto;
  min-height: 142px;
  aspect-ratio: 0.78;
  border-radius: 18px;
  border-color: color-mix(in srgb, var(--trainer-accent, #38bdf8) 48%, #334155);
  background-position: center 20%;
  box-shadow:
    inset 0 -34px 48px rgba(2, 6, 23, 0.26),
    0 10px 24px rgba(0, 0, 0, 0.22),
    0 0 24px color-mix(in srgb, var(--trainer-accent, #38bdf8) 7%, transparent);
  transition: transform 220ms ease, border-color 220ms ease, box-shadow 220ms ease;
}

.trainer-option:hover .trainer-portrait {
  transform: scale(1.012);
  border-color: color-mix(in srgb, var(--trainer-accent, #38bdf8) 70%, #475569);
}

.trainer-name-block {
  display: flex;
  min-width: 0;
  flex-direction: column;
  justify-content: center;
  padding: 4px 0;
}

.trainer-name-row {
  margin-bottom: 8px;
}

.trainer-name-row strong {
  color: #f8fafc;
  font-size: clamp(1.35rem, 1.55vw, 1.68rem);
  font-weight: 900;
  letter-spacing: -0.025em;
}

.trainer-archetype {
  font-size: 0.77rem;
  letter-spacing: 0.085em;
  opacity: 0.94;
}

.trainer-description {
  min-height: 2.4em;
  color: #aebbd0;
  font-size: 0.9rem;
  line-height: 1.5;
}

.trainer-actions {
  gap: 9px;
  margin-top: 2px;
}

.trainer-preview-btn,
.trainer-select-btn {
  min-height: 43px;
  border-radius: 11px;
  font-weight: 800;
}

.trainer-preview-btn {
  border-color: rgba(148, 163, 184, 0.28);
  background: linear-gradient(180deg, rgba(51, 65, 85, 0.76), rgba(30, 41, 59, 0.74));
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.045);
}

.trainer-select-btn {
  border-color: color-mix(in srgb, var(--trainer-accent, #38bdf8) 44%, #334155);
  background:
    linear-gradient(135deg,
      color-mix(in srgb, var(--trainer-accent, #38bdf8) 74%, #0f172a),
      color-mix(in srgb, var(--trainer-accent, #38bdf8) 48%, #082f49));
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.09),
    0 7px 18px color-mix(in srgb, var(--trainer-accent, #38bdf8) 12%, transparent);
}

.trainer-option.selected {
  border-color: color-mix(in srgb, var(--trainer-accent, #38bdf8) 82%, white 6%);
  background:
    radial-gradient(circle at 12% 8%, color-mix(in srgb, var(--trainer-accent, #38bdf8) 23%, transparent), transparent 46%),
    linear-gradient(155deg, rgba(30, 41, 59, 0.97), rgba(8, 15, 29, 0.99));
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.065),
    0 0 0 1px color-mix(in srgb, var(--trainer-accent, #38bdf8) 34%, transparent),
    0 18px 42px rgba(0, 0, 0, 0.28),
    0 0 38px color-mix(in srgb, var(--trainer-accent, #38bdf8) 12%, transparent);
}

.trainer-option.selected .trainer-portrait {
  border-color: var(--trainer-accent, #38bdf8);
  box-shadow:
    inset 0 -34px 48px rgba(2, 6, 23, 0.22),
    0 12px 26px rgba(0, 0, 0, 0.24),
    0 0 27px color-mix(in srgb, var(--trainer-accent, #38bdf8) 16%, transparent);
}

.trainer-option.premium-trainer {
  background:
    radial-gradient(circle at 10% 6%, color-mix(in srgb, var(--trainer-accent, #a78bfa) 17%, transparent), transparent 42%),
    linear-gradient(145deg, rgba(76, 29, 149, 0.10), transparent 52%),
    linear-gradient(155deg, rgba(30, 41, 59, 0.96), rgba(8, 15, 29, 0.98));
}

/* Locked Premium characters should still look desirable rather than disabled. */
.trainer-option.premium-trainer.premium-locked {
  opacity: 0.90 !important;
  filter: saturate(0.92);
}

.trainer-option.premium-trainer.premium-locked .trainer-portrait {
  filter: brightness(0.88) saturate(0.90);
}

.trainer-option.premium-trainer.premium-locked:hover {
  opacity: 1 !important;
  filter: none;
}

.trainer-select-btn.locked {
  color: #ede9fe;
  border-color: rgba(196, 181, 253, 0.30);
  background: linear-gradient(135deg, rgba(109, 40, 217, 0.31), rgba(76, 29, 149, 0.24));
  opacity: 1;
}

/* --------------------------------------------------------------------------
   Session presentation
   -------------------------------------------------------------------------- */

body {
  --otl-session-rgb: 100, 116, 139;
  --otl-session-color: #64748b;
}

body.otl-light-green {
  --otl-session-rgb: 34, 197, 94;
  --otl-session-color: #22c55e;
}

body.otl-light-red {
  --otl-session-rgb: 239, 68, 68;
  --otl-session-color: #ef4444;
}

body.otl-light-yellow {
  --otl-session-rgb: 245, 158, 11;
  --otl-session-color: #f59e0b;
}

.controls-card,
.video-card {
  transition:
    border-color 320ms ease,
    box-shadow 320ms ease,
    background 320ms ease,
    opacity 240ms ease,
    filter 240ms ease,
    transform 240ms ease;
}

body.otl-session-active .controls-card {
  border-color: rgba(var(--otl-session-rgb), 0.28);
  background:
    radial-gradient(circle at 50% 0%, rgba(var(--otl-session-rgb), 0.075), transparent 50%),
    linear-gradient(145deg, rgba(17, 24, 39, 0.96), rgba(15, 23, 42, 0.92));
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.05),
    0 16px 44px rgba(0, 0, 0, 0.27),
    0 0 40px rgba(var(--otl-session-rgb), 0.035);
}

.video-card {
  isolation: isolate;
  overflow: visible;
  padding: clamp(16px, 1.6vw, 24px);
  border-color: rgba(100, 116, 139, 0.48);
  background:
    radial-gradient(circle at 50% 0%, rgba(148, 163, 184, 0.035), transparent 56%),
    linear-gradient(155deg, rgba(10, 17, 31, 0.985), rgba(4, 9, 19, 0.985));
}

.video-card::before {
  content: "";
  position: absolute;
  z-index: -1;
  inset: -22px -18px -30px;
  border-radius: 42px;
  background: radial-gradient(ellipse at 50% 48%, rgba(var(--otl-session-rgb), 0.23), transparent 62%);
  opacity: 0;
  filter: blur(28px);
  pointer-events: none;
  transition: opacity 420ms ease, background 420ms ease;
}

body.otl-session-active .video-card {
  border-color: rgba(var(--otl-session-rgb), 0.24);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.055),
    0 24px 70px rgba(0, 0, 0, 0.43),
    0 0 76px rgba(var(--otl-session-rgb), 0.09);
}

body.otl-session-active .video-card::before {
  opacity: 0.72;
}

.video-shell {
  box-shadow:
    inset 0 0 0 1px rgba(255, 255, 255, 0.035),
    0 0 12px rgba(var(--signal-rgb), 0.12),
    0 14px 38px rgba(0, 0, 0, 0.38);
}

.video-shell.green,
.video-shell.red,
.video-shell.yellow {
  animation: otl-premium-signal-frame 8s ease-in-out infinite;
}

@keyframes otl-premium-signal-frame {
  0%, 100% {
    box-shadow:
      inset 0 0 0 1px rgba(255, 255, 255, 0.045),
      inset 0 0 24px rgba(var(--signal-rgb), 0.025),
      0 0 14px rgba(var(--signal-rgb), 0.17),
      0 0 34px rgba(var(--signal-rgb), 0.075),
      0 16px 42px rgba(0, 0, 0, 0.42);
  }
  50% {
    box-shadow:
      inset 0 0 0 1px rgba(255, 255, 255, 0.055),
      inset 0 0 30px rgba(var(--signal-rgb), 0.04),
      0 0 21px rgba(var(--signal-rgb), 0.27),
      0 0 58px rgba(var(--signal-rgb), 0.12),
      0 18px 46px rgba(0, 0, 0, 0.44);
  }
}

/* State badge becomes a small illuminated instrument rather than a plain tag. */
.video-overlay .tag.visible {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-sizing: border-box;
  width: 132px;
  height: 34px;
  padding: 0 14px;
  border-color: rgba(var(--signal-rgb), 0.62);
  border-radius: 999px;
  color: #f8fafc;
  background: rgb(2, 6, 23);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.08),
    0 8px 24px rgba(0, 0, 0, 0.34),
    0 0 20px rgba(var(--signal-rgb), 0.12);
  font-size: 1.02rem;
  font-weight: 900;
  line-height: 1;
  letter-spacing: 0.13em;
  backdrop-filter: blur(12px);
}

.video-shell.red .video-overlay .tag.visible,
.video-shell.yellow .video-overlay .tag.visible {
  letter-spacing: 0.24em;
}

/* Metadata reads as a compact instrument panel beneath playback. */
.video-card .meta {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 9px;
  margin-top: 14px;
}

.video-card .meta > div,
.video-card .session-stats > span {
  min-width: 0;
  padding: 10px 11px;
  border: 1px solid rgba(100, 116, 139, 0.24);
  border-radius: 10px;
  color: #94a3b8;
  background: rgba(2, 6, 23, 0.34);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.025);
}

.video-card .meta strong,
.video-card .session-stats strong {
  color: #cbd5e1;
}

.video-card .session-stats {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 9px;
}

body.otl-session-active .video-card .meta > div,
body.otl-session-active .video-card .session-stats > span {
  border-color: rgba(var(--otl-session-rgb), 0.15);
}

/* During playback, configuration remains available but visually steps back. */
body.otl-session-active .app > .hero-card,
body.otl-session-active .app > .uploads-card,
body.otl-session-active .app > #otlTrainings,
body.otl-session-active .app > #trainerPanel,
body.otl-session-active .app > #eventsPanel,
body.otl-session-active .app > .game-settings-card,
body.otl-session-active .app > .premium-card {
  opacity: 0.88;
  filter: saturate(0.92);
}

body.otl-session-active .app > .hero-card:hover,
body.otl-session-active .app > .uploads-card:hover,
body.otl-session-active .app > #otlTrainings:hover,
body.otl-session-active .app > #trainerPanel:hover,
body.otl-session-active .app > #eventsPanel:hover,
body.otl-session-active .app > .game-settings-card:hover,
body.otl-session-active .app > .premium-card:hover {
  opacity: 1;
  filter: none;
}

@media (max-width: 900px) {
  .trainer-grid {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  }

  .trainer-card-top {
    grid-template-columns: 106px minmax(0, 1fr);
  }

  .trainer-portrait {
    min-height: 132px;
  }

  .video-card .meta {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

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

  .trainer-card-top {
    grid-template-columns: 94px minmax(0, 1fr);
  }

  .trainer-portrait {
    min-height: 120px;
  }

  .trainer-name-row strong {
    font-size: 1.35rem;
  }

  .video-card .meta {
    grid-template-columns: 1fr;
  }

  .video-card::before {
    inset: -10px;
    filter: blur(18px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .trainer-option,
  .trainer-portrait,
  .controls-card,
  .video-card,
  .video-card::before {
    transition: none !important;
  }

  .trainer-option:hover,
  .trainer-option:hover .trainer-portrait {
    transform: none !important;
  }

  .video-shell.green,
  .video-shell.red,
  .video-shell.yellow {
    animation: none !important;
  }
}