/* ============================================
   CEREBRINE ACADEMY — COSMOS DESIGN SYSTEM
   3 espaces, 3 voyages de couleur
   Fond noir #07071a unifié
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:wght@700;900&family=DM+Sans:ital,wght@0,300;0,400;0,500;0,600;0,700;1,400&display=swap');

/* ===== BASE COSMOS ===== */
:root {
  --bg: #07071a;
  --surface: rgba(255,255,255,0.04);
  --surface-hover: rgba(255,255,255,0.07);
  --border: rgba(255,255,255,0.08);
  --border-hover: rgba(255,255,255,0.16);
  --text: #f0f0f0;
  --muted: rgba(240,240,240,0.5);
  --font-display: 'Playfair Display', serif;
  --font-body: 'DM Sans', sans-serif;
  --radius-lg: 20px;
  --radius-pill: 50px;
  /* Default palette — overridden per space */
  --color-a: #FFB347;
  --color-b: #FF6B6B;
  --color-c: #A855F7;
  --color-d: #C084FC;
  --glow: rgba(168, 85, 247, 0.20);
}

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

body {
  background: var(--bg) !important;
  color: var(--text);
  font-family: var(--font-body) !important;
  min-height: 100vh;
  overflow-x: hidden;
}

/* ===== ÉTOILES — 3 couches parallaxe ===== */
.stars-1, .stars-2, .stars-3 {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  pointer-events: none;
  z-index: 0;
}

.stars-1 {
  background-image:
    radial-gradient(1px 1px at 10% 20%, rgba(255,255,255,0.7) 0%, transparent 100%),
    radial-gradient(1px 1px at 25% 55%, rgba(255,255,255,0.5) 0%, transparent 100%),
    radial-gradient(1.5px 1.5px at 40% 80%, rgba(255,255,255,0.6) 0%, transparent 100%),
    radial-gradient(1px 1px at 55% 15%, rgba(255,255,255,0.4) 0%, transparent 100%),
    radial-gradient(1px 1px at 70% 45%, rgba(255,255,255,0.5) 0%, transparent 100%),
    radial-gradient(1.5px 1.5px at 85% 70%, rgba(255,255,255,0.6) 0%, transparent 100%),
    radial-gradient(1px 1px at 95% 10%, rgba(255,255,255,0.4) 0%, transparent 100%),
    radial-gradient(1px 1px at 5% 90%, rgba(255,255,255,0.5) 0%, transparent 100%),
    radial-gradient(1px 1px at 35% 35%, rgba(255,255,255,0.3) 0%, transparent 100%),
    radial-gradient(1px 1px at 65% 95%, rgba(255,255,255,0.4) 0%, transparent 100%);
  animation: drift1 60s linear infinite, twinkle1 4s ease-in-out infinite alternate;
}

.stars-2 {
  background-image:
    radial-gradient(1px 1px at 8% 40%, rgba(255,255,255,0.3) 0%, transparent 100%),
    radial-gradient(1.5px 1.5px at 22% 75%, var(--color-c, rgba(168,85,247,0.4)) 0%, transparent 100%),
    radial-gradient(1px 1px at 48% 30%, rgba(255,255,255,0.25) 0%, transparent 100%),
    radial-gradient(1.5px 1.5px at 72% 60%, var(--color-d, rgba(192,132,252,0.3)) 0%, transparent 100%),
    radial-gradient(1px 1px at 88% 20%, rgba(255,255,255,0.35) 0%, transparent 100%),
    radial-gradient(1px 1px at 15% 85%, rgba(255,255,255,0.2) 0%, transparent 100%),
    radial-gradient(1px 1px at 60% 50%, rgba(255,255,255,0.3) 0%, transparent 100%);
  animation: drift2 90s linear infinite, twinkle2 6s ease-in-out infinite alternate;
  opacity: 0.7;
}

.stars-3 {
  background-image:
    radial-gradient(2px 2px at 18% 30%, var(--color-a, rgba(255,179,71,0.35)) 0%, transparent 100%),
    radial-gradient(2px 2px at 52% 68%, var(--color-c, rgba(168,85,247,0.3)) 0%, transparent 100%),
    radial-gradient(1.5px 1.5px at 82% 42%, var(--color-b, rgba(255,107,107,0.25)) 0%, transparent 100%),
    radial-gradient(2px 2px at 38% 92%, var(--color-d, rgba(192,132,252,0.2)) 0%, transparent 100%),
    radial-gradient(1.5px 1.5px at 95% 78%, var(--color-a, rgba(255,179,71,0.3)) 0%, transparent 100%);
  animation: drift3 120s linear infinite, twinkle3 5s ease-in-out infinite alternate;
  opacity: 0.5;
}

@keyframes drift1 {
  from { transform: translate(0, 0); }
  to { transform: translate(-30px, -20px); }
}
@keyframes drift2 {
  from { transform: translate(0, 0); }
  to { transform: translate(20px, -30px); }
}
@keyframes drift3 {
  from { transform: translate(0, 0); }
  to { transform: translate(-15px, 15px); }
}
/* Star twinkle — bright like real night sky */
@keyframes twinkle1 {
  0% { opacity: 0.7; filter: hue-rotate(0deg) brightness(1); }
  25% { opacity: 1; filter: hue-rotate(10deg) brightness(1.8); }
  50% { opacity: 0.6; filter: hue-rotate(-8deg) brightness(1.1); }
  75% { opacity: 1; filter: hue-rotate(15deg) brightness(2); }
  100% { opacity: 0.7; filter: hue-rotate(0deg) brightness(1); }
}
@keyframes twinkle2 {
  0% { opacity: 0.8; filter: hue-rotate(0deg) brightness(1.2); }
  33% { opacity: 1; filter: hue-rotate(-20deg) brightness(1.9); }
  66% { opacity: 0.6; filter: hue-rotate(18deg) brightness(1); }
  100% { opacity: 0.8; filter: hue-rotate(0deg) brightness(1.2); }
}
@keyframes twinkle3 {
  0% { opacity: 0.6; filter: hue-rotate(0deg) brightness(1.3); }
  30% { opacity: 1; filter: hue-rotate(25deg) brightness(2.2); }
  60% { opacity: 0.5; filter: hue-rotate(-15deg) brightness(1.1); }
  80% { opacity: 0.9; filter: hue-rotate(30deg) brightness(1.8); }
  100% { opacity: 0.6; filter: hue-rotate(0deg) brightness(1.3); }
}

/* ===== NÉBULEUSE — glow ambiant ===== */
.nebula {
  position: fixed;
  top: -200px;
  left: 50%;
  transform: translateX(-50%);
  width: 900px;
  height: 600px;
  background: radial-gradient(ellipse, var(--glow) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
  animation: nebula-breathe 8s ease-in-out infinite alternate;
}

@keyframes nebula-breathe {
  0% { opacity: 0.6; transform: translateX(-50%) scale(1); }
  100% { opacity: 1; transform: translateX(-50%) scale(1.05); }
}

/* ===== COMÈTES ===== */
.comets {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.comet {
  position: absolute;
  width: 80px;
  height: 1px;
  background: linear-gradient(90deg, var(--color-a), transparent);
  opacity: 0;
  animation: comet-fly 6s ease-in infinite;
}

.comet:nth-child(1) { top: 15%; left: -80px; animation-delay: 0s; animation-duration: 5s; }
.comet:nth-child(2) { top: 45%; left: -80px; animation-delay: 3s; animation-duration: 7s; }
.comet:nth-child(3) { top: 75%; left: -80px; animation-delay: 5.5s; animation-duration: 6s; }

@keyframes comet-fly {
  0% { transform: translateX(0) rotate(-8deg); opacity: 0; }
  10% { opacity: 0.8; }
  100% { transform: translateX(calc(100vw + 200px)) rotate(-8deg); opacity: 0; }
}

/* ===== AVATAR RING DÉGRADÉ ANIMÉ ===== */
.avatar-ring {
  display: inline-block;
  padding: 3px;
  border-radius: 50%;
  background: conic-gradient(from 0deg, var(--color-a), var(--color-b), var(--color-c), var(--color-d), var(--color-a));
  box-shadow: 0 0 30px var(--glow);
  animation: ring-spin 10s linear infinite;
}

.avatar-ring img {
  display: block;
  border-radius: 50%;
  border: 3px solid var(--bg);
}

@keyframes ring-spin {
  to { --ring-angle: 360deg; }
}
/* Protect Cerebrine image from color shift */
.avatar-ring img {
  filter: none !important;
}

/* ===== TYPOGRAPHIE ===== */
h1, h2, h3 {
  font-family: var(--font-display) !important;
  letter-spacing: -0.02em;
}

/* ===== GLASSMORPHISM CARDS ===== */
.glass-card, .du-card, .card {
  background: var(--surface) !important;
  border: 1px solid var(--border) !important;
  border-radius: var(--radius-lg) !important;
  transition: border-color 0.3s, box-shadow 0.3s, transform 0.3s !important;
  position: relative;
}

.glass-card:hover, .du-card:hover, .card:hover {
  border-color: var(--border-hover) !important;
  box-shadow: 0 0 24px var(--glow) !important;
  transform: translateY(-2px);
}

/* ===== TAB PILLS ===== */
.tab-btn {
  border-radius: var(--radius-pill) !important;
  border: 1px solid var(--border) !important;
  background: var(--surface) !important;
  color: var(--muted) !important;
  font-size: 13px !important;
  font-weight: 500 !important;
  padding: 9px 18px !important;
  transition: all 0.25s cubic-bezier(0.34, 1.56, 0.64, 1) !important;
  letter-spacing: 0.01em;
}

.tab-btn:hover {
  border-color: var(--color-c) !important;
  color: var(--color-d) !important;
  background: var(--glow) !important;
  transform: translateY(-2px) !important;
}

.tab-btn.active {
  background: var(--color-c) !important;
  border-color: var(--color-c) !important;
  color: var(--bg) !important;
  font-weight: 700 !important;
  box-shadow: 0 0 20px var(--glow) !important;
}

/* ===== SUB-TAB PILLS ===== */
.hw-subtab, .subtab-btn, .ssstab-btn, .results-subtab {
  border-radius: var(--radius-pill) !important;
  border: 1px solid var(--border) !important;
  background: var(--surface) !important;
  color: var(--muted) !important;
  transition: all 0.2s !important;
}

.hw-subtab:hover, .subtab-btn:hover, .ssstab-btn:hover, .results-subtab:hover {
  border-color: var(--color-c) !important;
  color: var(--color-d) !important;
}

.hw-subtab.hw-active, .subtab-btn.active, .ssstab-btn.active, .results-subtab.active-sub {
  background: var(--color-c) !important;
  border-color: var(--color-c) !important;
  color: var(--bg) !important;
  font-weight: 700 !important;
}

/* ===== BUTTONS ===== */
.du-btn, .btn-pill {
  border-radius: var(--radius-pill) !important;
  transition: all 0.25s cubic-bezier(0.34, 1.56, 0.64, 1) !important;
  position: relative !important;
  overflow: hidden !important;
}

.du-btn:hover, .btn-pill:hover {
  transform: scale(1.04) translateY(-2px) !important;
  box-shadow: 0 0 16px var(--glow) !important;
}

/* ===== FORMS ===== */
textarea, input[type="text"], input[type="date"], input[type="password"], select {
  background: rgba(255,255,255,0.04) !important;
  border: 1px solid var(--border) !important;
  color: var(--text) !important;
  border-radius: 12px !important;
  font-family: var(--font-body) !important;
}

textarea:focus, input:focus, select:focus {
  border-color: var(--color-c) !important;
  outline: none !important;
  box-shadow: 0 0 12px var(--glow) !important;
}

/* ===== TABLES ===== */
.tracking-table th {
  color: var(--muted) !important;
  font-size: 11px !important;
  text-transform: uppercase !important;
  letter-spacing: 0.05em !important;
  border-bottom: 1px solid var(--border) !important;
}

.tracking-table td {
  border-bottom: 1px solid rgba(255,255,255,0.03) !important;
  color: var(--text) !important;
}

.tracking-table tr:hover td {
  background: var(--glow) !important;
}

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.1); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: rgba(255,255,255,0.2); }

/* ===== HIDE OLD STARS ===== */
.stars, .stars-layer-1, .stars-layer-2 { display: none !important; }

/* ===== RIPPLE ===== */
.ripple {
  position: absolute;
  border-radius: 50%;
  background: rgba(255,255,255,0.25);
  transform: scale(0);
  animation: ripple-anim 0.6s ease-out;
  pointer-events: none;
}

@keyframes ripple-anim {
  to { transform: scale(4); opacity: 0; }
}

/* ===== BADGE PULSE ===== */
.badge-pill {
  animation: badge-glow 2s ease-in-out infinite alternate;
}

@keyframes badge-glow {
  0% { box-shadow: 0 0 0 0 var(--glow); }
  100% { box-shadow: 0 0 12px 2px var(--glow); }
}

/* ===== REDUCED MOTION ===== */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* ===== MOBILE ===== */
@media (max-width: 768px) {
  .glass-card:hover, .du-card:hover, .card:hover { transform: none; }
  .comet { display: none; }
  .nebula { width: 400px; height: 300px; }
}