/* ============================================================
   DealSim Theme System
   3 switchable themes via [data-theme] attribute on <html>
   Default (no attribute) = Arena theme
   ============================================================ */

/* --- 1. CSS Custom Properties -------------------------------- */

:root,
[data-theme="arena"] {
  --bg:             #0f0f23;
  --bg-gradient:    linear-gradient(180deg, #0f0f23 0%, #1a1a2e 100%);
  --card-bg:        #1a1a2e;
  --card-border:    rgba(249, 92, 92, 0.25);
  --accent:         #f95c5c;
  --accent-dark:    #e04444;
  --accent-light:   #ff7a7a;
  --accent-glow:    rgba(249, 92, 92, 0.45);
  --secondary:      #ffd700;
  --text:           #ffffff;
  --text-dim:       #b0b3d6;
  --text-dim2:      #6b6f9e;
  --chat-bg:        #2a2d6b;
  --input-bg:       #1a1a2e;
  --input-border:   rgba(249, 92, 92, 0.30);
  --nav-bg:         rgba(15, 15, 35, 0.92);
  --nav-border:     rgba(249, 92, 92, 0.15);
  --scrollbar-thumb:#f95c5c;
  --glow-color:     rgba(249, 92, 92, 0.35);
  --focus-ring:     rgba(249, 92, 92, 0.50);
}

[data-theme="coach"] {
  --bg:             #1a1147;
  --bg-gradient:    linear-gradient(160deg, #1a1147 0%, #2d1b69 100%);
  --card-bg:        #221758;
  --card-border:    rgba(124, 92, 255, 0.30);
  --accent:         #f5a623;
  --accent-dark:    #d48f1a;
  --accent-light:   #ffc04d;
  --accent-glow:    rgba(245, 166, 35, 0.40);
  --secondary:      #00d68f;
  --text:           #ffffff;
  --text-dim:       #c4b5e3;
  --text-dim2:      #8a78b3;
  --chat-bg:        #2d1b69;
  --input-bg:       #221758;
  --input-border:   rgba(124, 92, 255, 0.35);
  --nav-bg:         rgba(26, 17, 71, 0.94);
  --nav-border:     rgba(124, 92, 255, 0.20);
  --scrollbar-thumb:#7c5cff;
  --glow-color:     rgba(124, 92, 255, 0.30);
  --focus-ring:     rgba(245, 166, 35, 0.50);
}

[data-theme="lab"] {
  --bg:             #0d1117;
  --bg-gradient:    linear-gradient(180deg, #0d1117 0%, #0d1117 100%);
  --card-bg:        #161b22;
  --card-border:    #30363d;
  --accent:         #58a6ff;
  --accent-dark:    #388bfd;
  --accent-light:   #79c0ff;
  --accent-glow:    rgba(88, 166, 255, 0.20);
  --secondary:      #f0883e;
  --text:           #c9d1d9;
  --text-dim:       #8b949e;
  --text-dim2:      #6e7681;
  --chat-bg:        #1c2128;  /* one step lighter than --card-bg for visual separation */
  --input-bg:       #0d1117;
  --input-border:   #30363d;
  --nav-bg:         rgba(13, 17, 23, 0.95);
  --nav-border:     #21262d;
  --scrollbar-thumb:#30363d;
  --glow-color:     rgba(88, 166, 255, 0.10);
  --focus-ring:     rgba(88, 166, 255, 0.40);
}


/* --- 2. Base Styles ------------------------------------------ */

body {
  background: var(--bg);
  background-image: var(--bg-gradient);
  color: var(--text);
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
}

/* Smooth theme transitions */
.theme-transition,
.theme-transition *,
.theme-transition *::before,
.theme-transition *::after {
  transition:
    background-color 0.5s ease,
    color 0.3s ease,
    border-color 0.3s ease,
    box-shadow 0.3s ease;
}


/* --- 3. Component Overrides ---------------------------------- */

/* Cards */
.ds-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 12px;
}

[data-theme="arena"] .ds-card {
  box-shadow: 0 0 20px var(--glow-color), inset 0 1px 0 rgba(255,255,255,0.04);
}

[data-theme="coach"] .ds-card {
  border-radius: 20px;
  box-shadow: 0 4px 24px rgba(0,0,0,0.25), 0 0 40px var(--glow-color);
}

[data-theme="lab"] .ds-card {
  border-radius: 6px;
  box-shadow: none;
}

/* Buttons */
.ds-btn {
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 8px;
  font-weight: 600;
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.ds-btn:hover {
  background: var(--accent-dark);
}

.ds-btn:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px var(--focus-ring);
}

[data-theme="arena"] .ds-btn {
  box-shadow: 0 0 12px var(--accent-glow);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

[data-theme="arena"] .ds-btn:hover {
  box-shadow: 0 0 24px var(--accent-glow), 0 0 48px rgba(249,92,92,0.2);
}

[data-theme="coach"] .ds-btn {
  border-radius: 999px;
  box-shadow: 0 2px 12px var(--accent-glow);
}

[data-theme="coach"] .ds-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 20px var(--accent-glow);
}

[data-theme="lab"] .ds-btn {
  border-radius: 6px;
  box-shadow: none;
  border: 1px solid var(--accent);
  background: transparent;
  color: var(--accent);
  transition: background-color 0.2s ease, color 0.2s ease, box-shadow 0.2s ease;
}

[data-theme="lab"] .ds-btn:hover {
  background: var(--accent);
  color: #ffffff;
}

/* Inputs */
.ds-input {
  background: var(--input-bg);
  border: 1px solid var(--input-border);
  color: var(--text);
  border-radius: 8px;
}

.ds-input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--focus-ring);
}

[data-theme="coach"] .ds-input {
  border-radius: 14px;
}

[data-theme="lab"] .ds-input {
  border-radius: 4px;
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
}

/* Chat bubbles */
.ds-chat-bubble {
  background: var(--chat-bg);
  border-radius: 12px;
  color: var(--text);
}

.ds-chat-bubble--user {
  background: var(--accent);
  color: #ffffff;
}

[data-theme="arena"] .ds-chat-bubble {
  border: 1px solid rgba(249,92,92,0.12);
}

[data-theme="coach"] .ds-chat-bubble {
  border-radius: 20px;
  border: 1px solid var(--card-border);
}

[data-theme="coach"] .ds-chat-bubble--user {
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
}

[data-theme="lab"] .ds-chat-bubble {
  border-radius: 4px;
  border: 1px solid var(--card-border);
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
  font-size: 0.9em;
}


/* --- 4. Scrollbar -------------------------------------------- */

::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: var(--scrollbar-thumb);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--accent);
}

[data-theme="lab"] ::-webkit-scrollbar {
  width: 6px;
}

[data-theme="lab"] ::-webkit-scrollbar-thumb {
  border-radius: 0;
}


/* --- 5. Arena-Specific Effects ------------------------------- */

/* Cyberpunk grid overlay */
.arena-grid {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  opacity: 0;
}

[data-theme="arena"] .arena-grid {
  opacity: 1;
  background-image:
    linear-gradient(rgba(249,92,92,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(249,92,92,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  will-change: transform;
  animation: arena-grid-drift 20s linear infinite;
}

@keyframes arena-grid-drift {
  0%   { transform: translate(0, 0); }
  100% { transform: translate(60px, 60px); }
}

/* Scanline overlay */
.arena-scanline {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 1;
  opacity: 0;
}

[data-theme="arena"] .arena-scanline {
  opacity: 1;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(0,0,0,0.06) 2px,
    rgba(0,0,0,0.06) 4px
  );
}

/* Floating particles */
.arena-particles {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
  opacity: 0;
}

[data-theme="arena"] .arena-particles {
  opacity: 1;
}

.arena-particle {
  position: absolute;
  width: 3px;
  height: 3px;
  background: var(--accent);
  border-radius: 50%;
  opacity: 0;
}

[data-theme="arena"] .arena-particle {
  will-change: transform, opacity;
  animation: arena-float 8s ease-in-out infinite;
}

[data-theme="arena"] .arena-particle:nth-child(1) { left: 10%; animation-delay: 0s; animation-duration: 7s; }
[data-theme="arena"] .arena-particle:nth-child(2) { left: 25%; animation-delay: 1.2s; animation-duration: 9s; }
[data-theme="arena"] .arena-particle:nth-child(3) { left: 40%; animation-delay: 2.5s; animation-duration: 6s; }
[data-theme="arena"] .arena-particle:nth-child(4) { left: 55%; animation-delay: 0.8s; animation-duration: 10s; }
[data-theme="arena"] .arena-particle:nth-child(5) { left: 70%; animation-delay: 3.1s; animation-duration: 8s; }
[data-theme="arena"] .arena-particle:nth-child(6) { left: 85%; animation-delay: 1.7s; animation-duration: 7.5s; }
[data-theme="arena"] .arena-particle:nth-child(7) { left: 50%; animation-delay: 4.0s; animation-duration: 11s; }
[data-theme="arena"] .arena-particle:nth-child(8) { left: 15%; animation-delay: 2.2s; animation-duration: 6.5s; }

@keyframes arena-float {
  0%   { transform: translateY(100vh) scale(0); opacity: 0; }
  10%  { opacity: 0.6; }
  90%  { opacity: 0.6; }
  100% { transform: translateY(-20vh) scale(1.2); opacity: 0; }
}

/* Arena glow pulse on accent elements */
[data-theme="arena"] .coral-glow,
[data-theme="arena"] .arena-glow {
  animation: arena-glow-pulse 3s ease-in-out infinite;
}

@keyframes arena-glow-pulse {
  0%, 100% { box-shadow: 0 0 15px var(--accent-glow); }
  50%      { box-shadow: 0 0 30px var(--accent-glow), 0 0 60px rgba(249,92,92,0.15); }
}


/* --- 6. Coach-Specific Effects ------------------------------- */

/* Morphing blob background */
.coach-blob {
  position: fixed;
  pointer-events: none;
  z-index: 0;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0;
}

[data-theme="coach"] .coach-blob {
  opacity: 1;
}

.coach-blob--primary {
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(124,92,255,0.25), transparent 70%);
  top: -100px;
  right: -100px;
}

[data-theme="coach"] .coach-blob--primary {
  animation: coach-morph-1 15s ease-in-out infinite;
}

.coach-blob--secondary {
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(245,166,35,0.18), transparent 70%);
  bottom: -80px;
  left: -80px;
}

[data-theme="coach"] .coach-blob--secondary {
  animation: coach-morph-2 18s ease-in-out infinite;
}

.coach-blob--tertiary {
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(0,214,143,0.12), transparent 70%);
  top: 40%;
  left: 50%;
}

[data-theme="coach"] .coach-blob--tertiary {
  animation: coach-morph-3 12s ease-in-out infinite;
}

@keyframes coach-morph-1 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33%      { transform: translate(-40px, 60px) scale(1.15); }
  66%      { transform: translate(30px, -30px) scale(0.9); }
}

@keyframes coach-morph-2 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33%      { transform: translate(50px, -40px) scale(1.1); }
  66%      { transform: translate(-20px, 30px) scale(0.95); }
}

@keyframes coach-morph-3 {
  0%, 100% { transform: translate(0, 0) scale(1) rotate(0deg); }
  50%      { transform: translate(-60px, 40px) scale(1.2) rotate(15deg); }
}

/* Coach soft-glow on cards */
[data-theme="coach"] .coach-glow {
  animation: coach-soft-glow 4s ease-in-out infinite;
}

@keyframes coach-soft-glow {
  0%, 100% { box-shadow: 0 4px 24px rgba(0,0,0,0.25), 0 0 30px var(--glow-color); }
  50%      { box-shadow: 0 4px 24px rgba(0,0,0,0.25), 0 0 50px var(--glow-color); }
}

/* Coach subtle gradient shift — uses opacity on pseudo-element (GPU-composited, no repaints) */
[data-theme="coach"] body::after {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -1;
  background: linear-gradient(160deg, var(--bg) 0%, var(--card-bg) 100%);
  opacity: 0;
  animation: coach-bg-shift 30s ease-in-out infinite;
}

@keyframes coach-bg-shift {
  0%, 100% { opacity: 0; }
  50%      { opacity: 0.3; }
}


/* --- 7. Lab — intentionally minimal -------------------------- */

[data-theme="lab"] body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
}

[data-theme="lab"] .ds-card {
  border: 1px solid #30363d;
}

/* Lab uses subtle top-border accent on cards */
[data-theme="lab"] .ds-card--accent {
  border-top: 2px solid var(--accent);
}

/* Monospace labels in lab */
[data-theme="lab"] .ds-label {
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-dim);
}


/* --- 8. Theme Switcher Component ----------------------------- */

.theme-switcher {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 9999;
  display: flex;
  align-items: center;
  gap: 0;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 999px;
  padding: 4px;
  box-shadow: 0 4px 24px rgba(0,0,0,0.4);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
}

.theme-switcher__btn {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border: none;
  border-radius: 50%;
  background: transparent;
  color: var(--text-dim);
  cursor: pointer;
  z-index: 1;
  transition: color 0.25s ease, transform 0.2s ease;
  font-size: 18px;
}

.theme-switcher__btn:hover {
  color: var(--text);
  transform: scale(1.1);
}

.theme-switcher__btn[aria-pressed="true"] {
  color: var(--accent);
}

/* Sliding pill indicator */
.theme-switcher__pill {
  position: absolute;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--accent);
  opacity: 0.15;
  top: 4px;
  left: 4px;
  transition: transform 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
  pointer-events: none;
  z-index: 0;
}

/* Pill positions — controlled via JS setting data-active */
.theme-switcher[data-active="0"] .theme-switcher__pill { transform: translateX(0); }
.theme-switcher[data-active="1"] .theme-switcher__pill { transform: translateX(40px); }
.theme-switcher[data-active="2"] .theme-switcher__pill { transform: translateX(80px); }

/* Click ripple micro-animation */
.theme-switcher__btn::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: var(--accent);
  opacity: 0;
  transform: scale(0);
}

.theme-switcher__btn:active::after {
  animation: switcher-ripple 0.4s ease-out;
}

@keyframes switcher-ripple {
  0%   { opacity: 0.3; transform: scale(0); }
  100% { opacity: 0; transform: scale(2); }
}

/* Tooltip labels */
.theme-switcher__btn[data-tooltip]::before {
  content: attr(data-tooltip);
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%) translateY(4px);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  white-space: nowrap;
  padding: 4px 10px;
  border-radius: 6px;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  color: var(--text);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.theme-switcher__btn:hover[data-tooltip]::before {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}


/* --- 9. Utility Mapping -------------------------------------- */
/* Bridge existing Tailwind-style classes to CSS variables       */

.bg-navy-dark  { background-color: var(--bg) !important; }
.bg-navy-card  { background-color: var(--card-bg) !important; }
.bg-slate-chat { background-color: var(--chat-bg) !important; }
.text-coral    { color: var(--accent) !important; }
.border-coral  { border-color: var(--accent) !important; }

.focus-coral:focus {
  outline: none;
  box-shadow: 0 0 0 3px var(--focus-ring) !important;
}

.coral-glow {
  box-shadow: 0 0 15px var(--accent-glow);
}


/* --- 10. Theme-Aware Landing Page Polish --------------------- */

/* Nav bar per-theme bottom accent line */
#global-nav {
  border-bottom-color: var(--nav-border);
  background: var(--nav-bg);
  transition: background 0.4s ease, border-color 0.4s ease;
}

/* Active nav link indicator */
.nav-link.active-nav {
  color: var(--accent) !important;
  background: rgba(255,255,255,0.06);
}

/* Hero badge — use theme accent */
.hero-badge {
  border-color: var(--accent) !important;
  color: var(--accent) !important;
  background: rgba(0,0,0,0.15) !important;
  backdrop-filter: blur(8px);
  transition: border-color 0.4s ease, color 0.4s ease, background 0.4s ease;
}

/* Quick action cards — per-theme hover glow */
.quick-action-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  transition: border-color 0.25s ease, box-shadow 0.3s ease, transform 0.2s ease, background 0.4s ease;
}

.quick-action-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}

[data-theme="arena"] .quick-action-card:hover {
  box-shadow: 0 0 20px var(--accent-glow), 0 8px 24px rgba(0,0,0,0.3);
}

[data-theme="coach"] .quick-action-card {
  border-radius: 20px;
}
[data-theme="coach"] .quick-action-card:hover {
  box-shadow: 0 8px 32px var(--accent-glow);
}

[data-theme="lab"] .quick-action-card {
  border-radius: 6px;
}
[data-theme="lab"] .quick-action-card:hover {
  box-shadow: none;
  border-color: var(--accent);
}

/* Hero CTA button — per-theme treatment */
.hero-cta {
  border-color: var(--accent) !important;
  background: rgba(0,0,0,0.2) !important;
  transition: border-color 0.3s ease, box-shadow 0.3s ease, background 0.3s ease, transform 0.2s ease;
}

.hero-cta:hover {
  border-color: var(--accent-light) !important;
  background: rgba(0,0,0,0.3) !important;
  transform: translateY(-1px);
}

[data-theme="arena"] .hero-cta {
  box-shadow: 0 0 24px var(--accent-glow), inset 0 0 30px rgba(249,92,92,0.06);
}
[data-theme="arena"] .hero-cta:hover {
  box-shadow: 0 0 40px var(--accent-glow), 0 0 80px rgba(249,92,92,0.12), inset 0 0 30px rgba(249,92,92,0.1);
}

[data-theme="coach"] .hero-cta {
  border-radius: 24px !important;
  box-shadow: 0 4px 24px var(--accent-glow);
}
[data-theme="coach"] .hero-cta:hover {
  box-shadow: 0 8px 40px var(--accent-glow);
}

[data-theme="lab"] .hero-cta {
  border-radius: 8px !important;
  box-shadow: none;
  border-width: 1px !important;
}
[data-theme="lab"] .hero-cta:hover {
  box-shadow: 0 0 0 1px var(--accent);
}

/* Form card — per-theme border treatment */
.form-card {
  background: var(--card-bg);
  border-color: var(--card-border);
  transition: background 0.4s ease, border-color 0.4s ease, box-shadow 0.4s ease;
}

[data-theme="arena"] .form-card {
  box-shadow: 0 0 30px var(--glow-color), 0 20px 50px rgba(0,0,0,0.4);
}

[data-theme="coach"] .form-card {
  border-radius: 24px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.3), 0 0 40px var(--glow-color);
}

[data-theme="lab"] .form-card {
  border-radius: 8px;
  box-shadow: none;
  border-top: 2px solid var(--accent);
}

/* Difficulty pills — use theme accent */
.diff-btn.selected {
  background-color: var(--accent) !important;
  border-color: var(--accent) !important;
  color: #fff !important;
}

[data-theme="coach"] .diff-btn {
  border-radius: 999px;
}

[data-theme="lab"] .diff-btn {
  border-radius: 4px;
}

[data-theme="lab"] .diff-btn.selected {
  background-color: transparent !important;
  border-color: var(--accent) !important;
  color: var(--accent) !important;
}

/* Submit / primary action buttons — per-theme */
.btn-primary {
  background: var(--accent);
  transition: background 0.2s ease, box-shadow 0.3s ease, transform 0.15s ease;
}

.btn-primary:hover {
  background: var(--accent-dark);
}

[data-theme="arena"] .btn-primary {
  box-shadow: 0 0 16px var(--accent-glow);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
[data-theme="arena"] .btn-primary:hover {
  box-shadow: 0 0 32px var(--accent-glow), 0 0 64px rgba(249,92,92,0.15);
}

[data-theme="coach"] .btn-primary {
  border-radius: 999px;
  box-shadow: 0 4px 20px var(--accent-glow);
}
[data-theme="coach"] .btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 32px var(--accent-glow);
}

[data-theme="lab"] .btn-primary {
  border-radius: 6px;
  box-shadow: none;
}

/* Scorecard — per-theme score ring */
.score-ring {
  transition: border-color 0.4s ease, box-shadow 0.4s ease;
}

[data-theme="arena"] .score-ring {
  box-shadow: 0 0 30px var(--accent-glow), 0 0 60px rgba(249,92,92,0.1);
}

[data-theme="coach"] .score-ring {
  box-shadow: 0 0 40px var(--accent-glow);
}

[data-theme="lab"] .score-ring {
  box-shadow: none;
}

/* Section headers — themed accent underline */
.section-title {
  position: relative;
  display: inline-block;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 40px;
  height: 2px;
  background: var(--accent);
  border-radius: 1px;
  transition: background 0.3s ease;
}

/* Content cards in results sections — per-theme polish */
.result-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  transition: background 0.4s ease, border-color 0.4s ease, border-radius 0.3s ease;
}

[data-theme="coach"] .result-card {
  border-radius: 20px;
}

[data-theme="lab"] .result-card {
  border-radius: 6px;
  border-top: 2px solid var(--accent);
}

/* Staggered entrance animation for cards and form elements */
@keyframes slideUpFade {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.section.active .stagger-1 { animation: slideUpFade 0.4s ease-out 0.05s both; }
.section.active .stagger-2 { animation: slideUpFade 0.4s ease-out 0.12s both; }
.section.active .stagger-3 { animation: slideUpFade 0.4s ease-out 0.19s both; }
.section.active .stagger-4 { animation: slideUpFade 0.4s ease-out 0.26s both; }
.section.active .stagger-5 { animation: slideUpFade 0.4s ease-out 0.33s both; }

/* Smooth input focus per-theme */
.themed-input {
  background: var(--input-bg) !important;
  border-color: var(--input-border) !important;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, background 0.4s ease;
}

.themed-input:focus {
  border-color: var(--accent) !important;
  box-shadow: 0 0 0 3px var(--focus-ring) !important;
}

[data-theme="coach"] .themed-input {
  border-radius: 14px !important;
}

[data-theme="lab"] .themed-input {
  border-radius: 4px !important;
}

/* Toast — per-theme styling */
.toast {
  background: var(--card-bg) !important;
  border-color: var(--card-border) !important;
}

[data-theme="arena"] .toast {
  border-left: 3px solid var(--accent);
}

[data-theme="coach"] .toast {
  border-radius: 999px;
}

[data-theme="lab"] .toast {
  border-radius: 4px;
  border-left: 3px solid var(--accent);
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
  font-size: 12px;
}

/* Slider thumb — per-theme accent */
input[type="range"]::-webkit-slider-thumb {
  background: var(--accent) !important;
}
input[type="range"]::-moz-range-thumb {
  background: var(--accent) !important;
}

/* Modal overlay — per-theme tint */
.modal-overlay {
  background: rgba(0, 0, 0, 0.7) !important;
  backdrop-filter: blur(8px);
}

[data-theme="arena"] .modal-overlay {
  background: rgba(15, 15, 35, 0.85) !important;
}

[data-theme="coach"] .modal-overlay {
  background: rgba(26, 17, 71, 0.85) !important;
}

[data-theme="lab"] .modal-overlay {
  background: rgba(13, 17, 23, 0.90) !important;
}


/* --- 10b. Chat Section Per-Theme Polish ---------------------- */

/* Chat header — per-theme background */
#sec-chat .border-b {
  background: var(--nav-bg);
  border-bottom-color: var(--nav-border);
}

/* Chat bubbles — per-theme styling (supplement inline Tailwind) */
[data-theme="arena"] .bg-coral {
  box-shadow: 0 2px 12px var(--accent-glow);
}

[data-theme="coach"] .bg-coral {
  background: linear-gradient(135deg, var(--accent), var(--accent-dark)) !important;
  border-radius: 20px !important;
}

[data-theme="lab"] .bg-coral {
  border-radius: 4px !important;
}

/* Chat input area — per-theme */
#sec-chat .border-t {
  background: var(--nav-bg);
  border-top-color: var(--nav-border);
}

/* Opponent avatar — per-theme accent ring */
#opponent-avatar {
  background: rgba(var(--accent), 0.15);
  border-color: var(--accent);
  transition: background 0.3s ease, border-color 0.3s ease;
}

/* Typing indicator dots — use theme accent */
[data-theme="coach"] .dot {
  background: var(--accent);
}

[data-theme="lab"] .dot {
  background: var(--accent);
  border-radius: 1px;
}

/* Keyboard shortcut hints — per-theme */
[data-theme="lab"] kbd {
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
  border: 1px solid var(--card-border);
}


/* --- 11. Scorecard, Dimension Bars, Coaching Tips ------------ */

/* Dimension bar fill — uses accent for low scores, keeps green/yellow for high/mid */
.dim-bar-fill {
  border-radius: 9999px;
  height: 100%;
  transition: width 0.8s ease-out, background 0.4s ease;
}

/* Per-theme bar track */
.dim-bar-track {
  height: 0.5rem;
  border-radius: 9999px;
  background: rgba(255,255,255,0.08);
  overflow: hidden;
}

[data-theme="arena"] .dim-bar-track {
  background: rgba(249, 92, 92, 0.08);
}

[data-theme="coach"] .dim-bar-track {
  background: rgba(124, 92, 255, 0.08);
  border-radius: 999px;
}

[data-theme="lab"] .dim-bar-track {
  border-radius: 2px;
  background: rgba(255,255,255,0.06);
}

[data-theme="lab"] .dim-bar-fill {
  border-radius: 2px;
}

/* Coaching tip icons — use theme accent */
.coaching-icon {
  color: var(--accent);
  transition: color 0.3s ease;
}

/* Coaching tip cards container — per-theme spacing */
[data-theme="coach"] #coaching-tips li {
  padding: 4px 0;
}

/* Action buttons in scorecard — per-theme */
.action-btn {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  transition: border-color 0.25s ease, background 0.3s ease, color 0.2s ease;
}

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

[data-theme="coach"] .action-btn {
  border-radius: 16px;
}

[data-theme="lab"] .action-btn {
  border-radius: 6px;
}

/* Chat bubble theme-aware classes */
.chat-bubble-user {
  background: var(--accent);
  color: #fff;
  transition: background 0.3s ease, border-radius 0.3s ease, box-shadow 0.3s ease;
}

[data-theme="arena"] .chat-bubble-user {
  box-shadow: 0 2px 12px var(--accent-glow);
}

[data-theme="coach"] .chat-bubble-user {
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  border-radius: 20px 20px 4px 20px !important;
}

[data-theme="lab"] .chat-bubble-user {
  border-radius: 4px 4px 0 4px !important;
}

.chat-bubble-opponent {
  background: var(--chat-bg);
  color: rgba(255,255,255,0.9);
  border: 1px solid var(--card-border);
  transition: background 0.3s ease, border-color 0.3s ease, border-radius 0.3s ease;
}

[data-theme="coach"] .chat-bubble-opponent {
  border-radius: 20px 20px 20px 4px !important;
}

[data-theme="lab"] .chat-bubble-opponent {
  border-radius: 4px 4px 4px 0 !important;
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
  font-size: 0.85em;
}

/* System message — theme aware */
.chat-system-msg {
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--card-border);
  color: var(--accent);
}

[data-theme="lab"] .chat-system-msg {
  border-radius: 4px;
}


/* --- 12. Responsive & Reduced Motion ------------------------- */

@media (prefers-reduced-motion: reduce) {
  .theme-transition,
  .theme-transition *,
  .theme-transition *::after,
  .theme-transition *::before {
    transition-duration: 0.01ms !important;
  }

  [data-theme="arena"] .arena-particle,
  [data-theme="arena"] .arena-grid,
  [data-theme="arena"] .arena-scanline,
  [data-theme="arena"] .coral-glow,
  [data-theme="arena"] .arena-glow,
  [data-theme="coach"] .coach-blob,
  [data-theme="coach"] body,
  [data-theme="coach"] .coach-glow {
    animation: none !important;
  }

  /* Disable stagger entrance animations */
  .stagger-1, .stagger-2, .stagger-3, .stagger-4, .stagger-5 {
    animation: none !important;
    opacity: 1 !important;
  }

  /* Catch-all: disable all remaining animations and transitions */
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

@media (max-width: 640px) {
  .theme-switcher {
    bottom: 12px;
    right: 12px;
    padding: 3px;
  }

  .theme-switcher__btn {
    width: 34px;
    height: 34px;
    font-size: 15px;
  }

  .theme-switcher__pill {
    width: 34px;
    height: 34px;
    top: 3px;
    left: 3px;
  }

  .theme-switcher[data-active="1"] .theme-switcher__pill { transform: translateX(34px); }
  .theme-switcher[data-active="2"] .theme-switcher__pill { transform: translateX(68px); }
}
