/* ==========================================================================
   eMasters.io - Unified External Stylesheet
   Architecture CSS propre, modulaire et optimisée pour IONOS & AI Studio
   Couleurs directrices :
     - Rose/Magenta : #fc3977 (eSquad, CTA principal, glow chaud)
     - Violet        : #a855f7 / #7c22e0 (eStream, communauté créateurs)
     - Émeraude      : #10b981 / #34d399 (eRegion, fierté locale)
     - Cyan          : #00f0ff / #00e5ff (eFlash, 4ème couleur)
   ========================================================================== */

:root {
  /* Core Palette */
  --color-primary: #fc3977;
  --color-primary-light: #ff6584;
  --color-primary-dark: #b81c4e;
  --color-primary-glow: rgba(252, 57, 119, 0.45);

  --color-secondary: #a855f7;
  --color-secondary-light: #c084fc;
  --color-secondary-dark: #6c00d6;
  --color-secondary-glow: rgba(168, 85, 247, 0.35);

  --color-tertiary: #10b981;
  --color-tertiary-light: #34d399;
  --color-tertiary-dark: #008767;
  --color-tertiary-glow: rgba(16, 185, 129, 0.35);

  --color-cyan: #00f0ff;
  --color-cyan-light: #70f7ff;
  --color-cyan-dark: #00a8b3;
  --color-cyan-glow: rgba(0, 240, 255, 0.4);

  /* Dark Theme Surfaces */
  --bg-deep: #07040e;
  --bg-base: #0d091a;
  --bg-surface: #120d20;
  --bg-surface-card: #181226;
  --bg-surface-card-hover: #231b36;
  --bg-surface-high: #221936;
  --bg-surface-highest: #383147;

  /* Glassmorphism */
  --glass-bg: rgba(26, 20, 42, 0.72);
  --glass-bg-hover: rgba(35, 27, 54, 0.88);
  --glass-border: rgba(255, 255, 255, 0.09);
  --glass-border-hover: rgba(252, 57, 119, 0.4);

  /* Typography Colors */
  --text-primary: #ffffff;
  --text-secondary: #c9bfd6;
  --text-muted: #9a91a5;
  --text-dark: #120d20;

  /* Border Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  /* Fonts */
  --font-display: 'Sora', sans-serif;
  --font-body: 'Plus Jakarta Sans', sans-serif;

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-normal: 250ms ease;
  --transition-slow: 400ms cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  scroll-behavior: smooth;
  color-scheme: dark;
}

body {
  margin: 0;
  padding: 0;
  font-family: var(--font-body);
  background-color: var(--bg-base);
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  min-height: 100vh;
}

h1, h2, h3, h4, h5, h6, .font-display {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-top: 0;
  color: var(--text-primary);
}

p {
  margin-top: 0;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

input, select, textarea {
  font-family: inherit;
}

img, svg {
  vertical-align: middle;
}

/* Hide default scrollbar while keeping functionality */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg-base);
}
::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-full);
}
::-webkit-scrollbar-thumb:hover {
  background: var(--color-primary);
}

/* Selection Highlight */
::selection {
  background: var(--color-primary);
  color: #ffffff;
}

/* ==========================================================================
   Utility Classes & Color Variants
   ========================================================================== */
.text-magenta { color: var(--color-primary) !important; }
.text-violet { color: var(--color-secondary) !important; }
.text-emerald { color: var(--color-tertiary-light) !important; }
.text-cyan { color: var(--color-cyan) !important; }

.bg-magenta { background-color: var(--color-primary) !important; }
.bg-violet { background-color: var(--color-secondary) !important; }
.bg-emerald { background-color: var(--color-tertiary) !important; }
.bg-cyan { background-color: var(--color-cyan) !important; }

.border-magenta { border-color: var(--color-primary) !important; }
.border-violet { border-color: var(--color-secondary) !important; }
.border-emerald { border-color: var(--color-tertiary) !important; }
.border-cyan { border-color: var(--color-cyan) !important; }

/* Glow Drops */
.glow-magenta {
  box-shadow: 0 0 30px var(--color-primary-glow), 0 0 10px var(--color-primary);
}
.glow-violet {
  box-shadow: 0 0 30px var(--color-secondary-glow), 0 0 10px var(--color-secondary);
}
.glow-emerald {
  box-shadow: 0 0 30px var(--color-tertiary-glow), 0 0 10px var(--color-tertiary);
}
.glow-cyan {
  box-shadow: 0 0 35px var(--color-cyan-glow), 0 0 12px var(--color-cyan);
}

/* Gradients */
.gradient-text-primary {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 50%, var(--color-secondary-light) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.gradient-text-cyan {
  background: linear-gradient(135deg, var(--color-cyan) 0%, var(--color-cyan-light) 60%, var(--color-secondary-light) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.gradient-text-hero {
  background: linear-gradient(135deg, #fc3977 0%, #ff6584 35%, #c084fc 70%, #00f0ff 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.gradient-btn-primary {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary-dark) 100%);
  color: #ffffff;
  transition: all var(--transition-normal);
}
.gradient-btn-primary:hover {
  box-shadow: 0 8px 30px var(--color-primary-glow);
  transform: translateY(-2px);
}

.gradient-btn-cyan {
  background: linear-gradient(135deg, var(--color-cyan) 0%, #0099cc 100%);
  color: var(--bg-deep);
  font-weight: 700;
  transition: all var(--transition-normal);
}
.gradient-btn-cyan:hover {
  box-shadow: 0 8px 30px var(--color-cyan-glow);
  transform: translateY(-2px);
}

/* ==========================================================================
   Glassmorphic Card Components
   ========================================================================== */
.glass-card {
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  transition: all var(--transition-normal);
}

.glass-card-hover {
  transition: transform var(--transition-normal), box-shadow var(--transition-normal), border-color var(--transition-normal), background var(--transition-normal);
}
.glass-card-hover:hover {
  background: var(--glass-bg-hover);
  border-color: rgba(252, 57, 119, 0.4);
  box-shadow: 0 20px 40px -10px rgba(7, 4, 14, 0.8), 0 0 25px rgba(252, 57, 119, 0.18);
  transform: translateY(-4px);
}

.glass-card-hover.border-cyan-hover:hover {
  border-color: rgba(0, 240, 255, 0.5);
  box-shadow: 0 20px 40px -10px rgba(7, 4, 14, 0.8), 0 0 25px rgba(0, 240, 255, 0.22);
}

/* ==========================================================================
   Navigation Bar & Header
   ========================================================================== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  width: 100%;
  height: 80px;
  z-index: 50;
  background: rgba(14, 9, 27, 0.85);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.site-header-inner {
  max-width: 1360px;
  margin: 0 auto;
  height: 100%;
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand-logo-container {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.brand-icon-box {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-md);
  background: #161024;
  border: 1px solid rgba(255, 255, 255, 0.12);
  padding: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 16px rgba(147, 51, 234, 0.3);
}

.brand-name {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: #ffffff;
  display: flex;
  align-items: baseline;
}
.brand-name .accent-cyan {
  color: var(--color-cyan);
}
.brand-name .accent-magenta {
  color: var(--color-primary);
}

/* Form Controls & Validation */
.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-label {
  font-family: var(--font-display);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.form-control {
  width: 100%;
  background: rgba(10, 7, 21, 0.85);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-md);
  padding: 0.85rem 1rem;
  color: var(--text-primary);
  font-size: 0.95rem;
  transition: border-color var(--transition-normal), box-shadow var(--transition-normal), background var(--transition-normal);
}
.form-control::placeholder {
  color: var(--text-muted);
}
.form-control:focus {
  outline: none;
  background: rgba(14, 9, 27, 0.95);
  border-color: var(--color-cyan);
  box-shadow: 0 0 0 3px rgba(0, 240, 255, 0.25);
}
.form-control.is-invalid {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(252, 57, 119, 0.25);
}

/* Alerts */
.alert {
  padding: 1rem 1.25rem;
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
  animation: fadeIn 0.3s ease-out;
}
.alert-success {
  background: rgba(16, 185, 129, 0.15);
  border: 1px solid rgba(16, 185, 129, 0.4);
  color: #6ee7b7;
}
.alert-danger {
  background: rgba(252, 57, 119, 0.15);
  border: 1px solid rgba(252, 57, 119, 0.4);
  color: #ff99b6;
}

/* ==========================================================================
   Activity Rings HUD (3 Progression Rings: Engagement, Forme, Performance)
   ========================================================================== */
.rings-container {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0.5rem 0;
}

.ring-track {
  fill: none;
  stroke: #22183a;
  stroke-width: 8;
}

.ring-indicator {
  fill: none;
  stroke-linecap: round;
  transform-origin: center;
  transition: stroke-dashoffset 1s cubic-bezier(0.16, 1, 0.3, 1);
}

.ring-magenta {
  stroke: #fc3977;
  filter: drop-shadow(0 0 8px rgba(252, 57, 119, 0.85));
}
.ring-violet {
  stroke: #a855f7;
  filter: drop-shadow(0 0 8px rgba(168, 85, 247, 0.85));
}
.ring-emerald {
  stroke: #10b981;
  filter: drop-shadow(0 0 8px rgba(16, 185, 129, 0.85));
}
.ring-cyan {
  stroke: #00f0ff;
  filter: drop-shadow(0 0 9px rgba(0, 240, 255, 0.9));
}

/* Animations */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes pulseGlow {
  0%, 100% { opacity: 0.6; transform: scale(1); }
  50% { opacity: 0.9; transform: scale(1.04); }
}

.animate-pulse-glow {
  animation: pulseGlow 4s infinite ease-in-out;
}

/* Print Styles */
@media print {
  body {
    background: #ffffff !important;
    color: #000000 !important;
  }
  .site-header, footer, .palette-picker, #contact-juridique, button {
    display: none !important;
  }
  .legal-card {
    background: #ffffff !important;
    color: #111111 !important;
    box-shadow: none !important;
    border-bottom: 1px solid #ddd !important;
    page-break-inside: avoid;
  }
}