/* ============================================================
   EIL-THEME.CSS — Design System Ecole Intuit Lab
   Campus Platform "Intuit Campus"
   ============================================================ */

/* --- Google Fonts --- */
@import url('https://fonts.googleapis.com/css2?family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;0,9..40,600;0,9..40,700;1,9..40,400&family=Inter:wght@300;400;500;600;700&display=swap');

/* --- Custom Font Faces --- */
@font-face {
  font-family: 'EIL Sans';
  src: url('../css/eilsans-book.woff') format('woff');
  font-weight: 400;
  font-style: normal;
}
@font-face {
  font-family: 'EIL Sans';
  src: url('../css/eilsans-bold.woff') format('woff');
  font-weight: 700;
  font-style: normal;
}

/* --- CSS Custom Properties --- */
:root {
  /* Brand Colors */
  --eil-coral: #eb7570;
  --eil-coral-light: #f09d99;
  --eil-coral-dark: #c34d4a;
  --eil-coral-bg: rgba(235, 117, 112, 0.08);
  --eil-coral-bg-hover: rgba(235, 117, 112, 0.14);

  /* Specialization Colors */
  --eil-graphique: #eb7570;
  --eil-uxui: #4A90D9;
  --eil-motion: #9B59B6;
  --eil-espace: #2ECC71;

  /* Neutrals */
  --eil-bg: #FAFAFA;
  --eil-card: #FFFFFF;
  --eil-text: #000000;
  --eil-text-secondary: #5B4B4B;
  --eil-text-muted: #9A8F8F;
  --eil-border: #E5E5E5;
  --eil-border-light: #F0EDED;

  /* Semantic */
  --eil-success: #2ECC71;
  --eil-warning: #F39C12;
  --eil-danger: #E74C3C;
  --eil-info: #4A90D9;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.10);
  --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.13);
  --shadow-coral: 0 4px 20px rgba(235, 117, 112, 0.25);

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;

  /* Typography */
  --font-heading: 'DM Sans', 'EIL Sans', -apple-system, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 2rem;
  --font-size-4xl: 2.75rem;

  /* Borders */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-xl: 24px;
  --radius-full: 50%;

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 400ms cubic-bezier(0.4, 0, 0.2, 1);

  /* Layout */
  --nav-height: 64px;
  --container-max: 1200px;
  --container-narrow: 860px;
  --container-xs: 600px;
}

/* --- Reset & Base --- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  color: var(--eil-text);
  background: var(--eil-bg);
  line-height: 1.6;
  min-height: 100vh;
}

a { color: var(--eil-coral); text-decoration: none; transition: color var(--transition-fast); }
a:hover { color: var(--eil-coral-dark); }

img { max-width: 100%; height: auto; display: block; }

/* --- Typography --- */
h1, h2, h3, h4, h5 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  color: var(--eil-text);
}
h1 { font-size: var(--font-size-4xl); letter-spacing: -0.02em; }
h2 { font-size: var(--font-size-3xl); letter-spacing: -0.01em; }
h3 { font-size: var(--font-size-2xl); }
h4 { font-size: var(--font-size-xl); }

.text-coral { color: var(--eil-coral); }
.text-muted { color: var(--eil-text-muted); }
.text-secondary { color: var(--eil-text-secondary); }

/* --- Layout --- */
.container { max-width: var(--container-max); margin: 0 auto; padding: 0 var(--space-lg); }
.container-narrow { max-width: var(--container-narrow); margin: 0 auto; padding: 0 var(--space-lg); }
.page-content { padding-top: calc(var(--nav-height) + var(--space-xl)); padding-bottom: var(--space-3xl); }

/* --- Navigation --- */
.eil-nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  height: var(--nav-height);
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--eil-border);
  display: flex; align-items: center;
}
.eil-nav .container {
  display: flex; align-items: center; justify-content: space-between; width: 100%;
}
.eil-nav-brand {
  display: flex; align-items: center; gap: var(--space-sm);
  font-family: var(--font-heading); font-weight: 700; font-size: var(--font-size-lg);
  color: var(--eil-text);
}
.eil-nav-brand img { height: 36px; width: auto; }
.eil-nav-links { display: flex; align-items: center; gap: var(--space-xs); list-style: none; }
.eil-nav-links a {
  padding: 0.4rem 0.75rem; border-radius: var(--radius-sm);
  font-size: var(--font-size-sm); font-weight: 500;
  color: var(--eil-text-secondary); transition: all var(--transition-fast);
  white-space: nowrap;
}
.eil-nav-links a:hover,
.eil-nav-links a.active {
  color: var(--eil-coral); background: var(--eil-coral-bg);
}
.eil-nav-hamburger {
  display: none; background: none; border: none; cursor: pointer;
  width: 36px; height: 36px; position: relative;
}
.eil-nav-hamburger span {
  display: block; width: 22px; height: 2px; background: var(--eil-text);
  position: absolute; left: 7px; transition: all var(--transition-fast);
}
.eil-nav-hamburger span:nth-child(1) { top: 10px; }
.eil-nav-hamburger span:nth-child(2) { top: 17px; }
.eil-nav-hamburger span:nth-child(3) { top: 24px; }

/* --- Hero --- */
.eil-hero {
  padding: var(--space-3xl) 0;
  text-align: center;
  background: linear-gradient(135deg, var(--eil-bg) 0%, #FFF5F4 100%);
  border-bottom: 1px solid var(--eil-border-light);
}
.eil-hero h1 { margin-bottom: var(--space-md); }
.eil-hero p { font-size: var(--font-size-lg); color: var(--eil-text-secondary); max-width: 600px; margin: 0 auto; }

/* --- Cards --- */
.eil-card {
  background: var(--eil-card); border-radius: var(--radius-lg);
  border: 1px solid var(--eil-border); padding: var(--space-xl);
  transition: all var(--transition-base);
  position: relative; overflow: hidden;
}
.eil-card:hover {
  box-shadow: var(--shadow-lg); border-color: var(--eil-coral-light);
  transform: translateY(-2px);
}
.eil-card-icon {
  width: 52px; height: 52px; border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.6rem; margin-bottom: var(--space-md);
  background: var(--eil-coral-bg);
}
.eil-card h3 { font-size: var(--font-size-lg); margin-bottom: var(--space-sm); }
.eil-card p { color: var(--eil-text-secondary); font-size: var(--font-size-sm); }

/* Card grid */
.card-grid { display: grid; gap: var(--space-lg); }
.card-grid-2 { grid-template-columns: repeat(2, 1fr); }
.card-grid-3 { grid-template-columns: repeat(3, 1fr); }
.card-grid-4 { grid-template-columns: repeat(4, 1fr); }
.card-grid-5 { grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); }

/* Role cards (landing) */
.role-card {
  cursor: pointer; text-align: center; padding: var(--space-2xl) var(--space-xl);
}
.role-card .role-emoji { font-size: 3rem; margin-bottom: var(--space-md); display: block; }
.role-card h3 { font-size: var(--font-size-xl); }

/* Module card */
.module-card { cursor: pointer; }
.module-card .module-emoji { font-size: 2rem; margin-bottom: var(--space-sm); }

/* --- Buttons --- */
.btn {
  display: inline-flex; align-items: center; gap: var(--space-sm);
  padding: 0.65rem 1.4rem; border-radius: var(--radius-sm);
  font-family: var(--font-body); font-size: var(--font-size-sm); font-weight: 600;
  cursor: pointer; border: none; transition: all var(--transition-fast);
  text-decoration: none; white-space: nowrap;
}
.btn-primary {
  background: var(--eil-coral); color: #fff;
}
.btn-primary:hover { background: var(--eil-coral-dark); color: #fff; box-shadow: var(--shadow-coral); }
.btn-secondary {
  background: var(--eil-coral-bg); color: var(--eil-coral);
}
.btn-secondary:hover { background: var(--eil-coral-bg-hover); }
.btn-outline {
  background: transparent; color: var(--eil-coral); border: 1.5px solid var(--eil-coral);
}
.btn-outline:hover { background: var(--eil-coral); color: #fff; }
.btn-ghost {
  background: transparent; color: var(--eil-text-secondary);
}
.btn-ghost:hover { background: var(--eil-coral-bg); color: var(--eil-coral); }
.btn-sm { padding: 0.4rem 0.9rem; font-size: var(--font-size-xs); }
.btn-lg { padding: 0.85rem 2rem; font-size: var(--font-size-base); }
.btn-block { width: 100%; justify-content: center; }

/* Emoji buttons (mood, vote) */
.emoji-btn {
  width: 72px; height: 72px; border-radius: var(--radius-md);
  background: var(--eil-card); border: 2px solid var(--eil-border);
  display: flex; align-items: center; justify-content: center;
  font-size: 2rem; cursor: pointer; transition: all var(--transition-fast);
}
.emoji-btn:hover { border-color: var(--eil-coral); transform: scale(1.1); }
.emoji-btn.selected { border-color: var(--eil-coral); background: var(--eil-coral-bg); box-shadow: var(--shadow-coral); transform: scale(1.1); }

/* --- Badges --- */
.badge {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 0.2rem 0.6rem; border-radius: 100px;
  font-size: var(--font-size-xs); font-weight: 600;
  line-height: 1.4;
}
.badge-coral { background: var(--eil-coral-bg); color: var(--eil-coral-dark); }
.badge-success { background: rgba(46, 204, 113, 0.12); color: #1E8449; }
.badge-warning { background: rgba(243, 156, 18, 0.12); color: #9A7D0A; }
.badge-danger { background: rgba(231, 76, 60, 0.12); color: #C0392B; }
.badge-info { background: rgba(74, 144, 217, 0.12); color: #2471A3; }
.badge-graphique { background: rgba(235, 117, 112, 0.12); color: var(--eil-graphique); }
.badge-uxui { background: rgba(74, 144, 217, 0.12); color: var(--eil-uxui); }
.badge-motion { background: rgba(155, 89, 182, 0.12); color: var(--eil-motion); }
.badge-espace { background: rgba(46, 204, 113, 0.12); color: var(--eil-espace); }

/* --- Progress bars --- */
.progress-bar {
  width: 100%; height: 8px; background: var(--eil-border-light);
  border-radius: 100px; overflow: hidden;
}
.progress-bar-fill {
  height: 100%; border-radius: 100px;
  background: linear-gradient(90deg, var(--eil-coral), var(--eil-coral-light));
  transition: width var(--transition-slow);
}
.progress-bar-lg { height: 12px; }

/* --- Stat cards --- */
.stat-card {
  background: var(--eil-card); border-radius: var(--radius-md);
  border: 1px solid var(--eil-border); padding: var(--space-lg);
  text-align: center;
}
.stat-card .stat-value {
  font-family: var(--font-heading); font-size: var(--font-size-3xl);
  font-weight: 700; color: var(--eil-coral); line-height: 1;
}
.stat-card .stat-label {
  font-size: var(--font-size-sm); color: var(--eil-text-muted); margin-top: var(--space-xs);
}

/* --- Forms --- */
.form-group { margin-bottom: var(--space-lg); }
.form-label {
  display: block; font-size: var(--font-size-sm); font-weight: 600;
  margin-bottom: var(--space-sm); color: var(--eil-text);
}
.form-input, .form-select, .form-textarea {
  width: 100%; padding: 0.7rem 1rem; border-radius: var(--radius-sm);
  border: 1.5px solid var(--eil-border); background: var(--eil-card);
  font-family: var(--font-body); font-size: var(--font-size-base);
  color: var(--eil-text); transition: border-color var(--transition-fast);
}
.form-input:focus, .form-select:focus, .form-textarea:focus {
  outline: none; border-color: var(--eil-coral);
  box-shadow: 0 0 0 3px var(--eil-coral-bg);
}
.form-textarea { resize: vertical; min-height: 100px; }

/* --- Tables --- */
.eil-table { width: 100%; border-collapse: collapse; }
.eil-table th {
  text-align: left; padding: 0.75rem 1rem;
  font-size: var(--font-size-sm); font-weight: 600;
  color: var(--eil-text-muted); border-bottom: 2px solid var(--eil-border);
}
.eil-table td {
  padding: 0.75rem 1rem; border-bottom: 1px solid var(--eil-border-light);
  font-size: var(--font-size-sm);
}
.eil-table tr:hover td { background: var(--eil-coral-bg); }

/* --- Tabs --- */
.eil-tabs {
  display: flex; gap: var(--space-xs); border-bottom: 2px solid var(--eil-border);
  margin-bottom: var(--space-xl); overflow-x: auto;
}
.eil-tab {
  padding: 0.6rem 1.2rem; border: none; background: none;
  font-family: var(--font-body); font-size: var(--font-size-sm); font-weight: 500;
  color: var(--eil-text-muted); cursor: pointer;
  border-bottom: 2px solid transparent; margin-bottom: -2px;
  transition: all var(--transition-fast); white-space: nowrap;
}
.eil-tab:hover { color: var(--eil-coral); }
.eil-tab.active { color: var(--eil-coral); border-bottom-color: var(--eil-coral); }

/* --- Status bar / Stepper --- */
.stepper {
  display: flex; align-items: center; gap: var(--space-sm);
  margin-bottom: var(--space-xl);
}
.stepper-dot {
  width: 10px; height: 10px; border-radius: var(--radius-full);
  background: var(--eil-border); transition: all var(--transition-fast);
}
.stepper-dot.active { background: var(--eil-coral); width: 28px; border-radius: 100px; }
.stepper-dot.done { background: var(--eil-coral-light); }

/* --- Timer --- */
.timer-ring {
  width: 48px; height: 48px; position: relative;
}
.timer-ring svg { width: 100%; height: 100%; transform: rotate(-90deg); }
.timer-ring circle {
  fill: none; stroke-width: 3;
}
.timer-ring .bg { stroke: var(--eil-border); }
.timer-ring .fg { stroke: var(--eil-coral); stroke-linecap: round; transition: stroke-dashoffset 1s linear; }
.timer-text {
  position: absolute; inset: 0; display: flex; align-items: center; justify-content: center;
  font-size: var(--font-size-xs); font-weight: 700; color: var(--eil-coral);
}

/* --- Dashboard section --- */
.dashboard-welcome {
  padding: var(--space-2xl) 0 var(--space-lg);
}
.dashboard-welcome h1 { font-size: var(--font-size-3xl); }
.dashboard-welcome p { color: var(--eil-text-secondary); margin-top: var(--space-xs); }

/* Activity feed */
.activity-feed { display: flex; flex-direction: column; gap: var(--space-md); }
.activity-item {
  display: flex; gap: var(--space-md); padding: var(--space-md);
  border-radius: var(--radius-md); background: var(--eil-card);
  border: 1px solid var(--eil-border-light);
}
.activity-dot {
  width: 10px; height: 10px; border-radius: var(--radius-full);
  background: var(--eil-coral); margin-top: 6px; flex-shrink: 0;
}
.activity-item .activity-time {
  font-size: var(--font-size-xs); color: var(--eil-text-muted);
}

/* --- Quick actions bar --- */
.quick-actions {
  display: flex; gap: var(--space-md); flex-wrap: wrap;
  padding: var(--space-lg); background: var(--eil-card);
  border-radius: var(--radius-lg); border: 1px solid var(--eil-border);
  margin-bottom: var(--space-xl);
}

/* --- Footer --- */
.eil-footer {
  text-align: center; padding: var(--space-2xl) var(--space-lg);
  color: var(--eil-text-muted); font-size: var(--font-size-sm);
  border-top: 1px solid var(--eil-border);
  background: var(--eil-card);
}
.eil-footer a { color: var(--eil-text-secondary); }

/* --- Badges row (certifications) --- */
.cert-badges {
  display: flex; align-items: center; justify-content: center;
  gap: var(--space-xl); margin-top: var(--space-xl); flex-wrap: wrap;
}
.cert-badges img { height: 48px; opacity: 0.7; transition: opacity var(--transition-fast); }
.cert-badges img:hover { opacity: 1; }

/* --- Modal / Overlay --- */
.modal-overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,0.5);
  backdrop-filter: blur(4px); z-index: 2000;
  display: flex; align-items: center; justify-content: center;
  opacity: 0; pointer-events: none; transition: opacity var(--transition-fast);
}
.modal-overlay.active { opacity: 1; pointer-events: all; }
.modal-box {
  background: var(--eil-card); border-radius: var(--radius-lg);
  padding: var(--space-2xl); max-width: 500px; width: 90%;
  box-shadow: var(--shadow-xl);
}

/* --- Responsive --- */
@media (max-width: 1024px) {
  .card-grid-4 { grid-template-columns: repeat(2, 1fr); }
  .card-grid-3 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  :root { --nav-height: 56px; }
  h1 { font-size: var(--font-size-3xl); }
  h2 { font-size: var(--font-size-2xl); }

  .eil-nav-links {
    display: none; flex-direction: column;
    position: fixed; top: var(--nav-height); left: 0; right: 0;
    background: var(--eil-card); border-bottom: 1px solid var(--eil-border);
    padding: var(--space-md); gap: var(--space-xs);
    box-shadow: var(--shadow-lg);
  }
  .eil-nav-links.open { display: flex; }
  .eil-nav-hamburger { display: block; }

  .card-grid-2, .card-grid-3, .card-grid-4 { grid-template-columns: 1fr; }
  .eil-hero { padding: var(--space-2xl) 0; }
  .container { padding: 0 var(--space-md); }
  .quick-actions { flex-direction: column; }
  .stepper { flex-wrap: wrap; justify-content: center; }
}

@media (max-width: 480px) {
  h1 { font-size: var(--font-size-2xl); }
  .eil-card { padding: var(--space-lg); }
  .cert-badges img { height: 36px; }
  .emoji-btn { width: 58px; height: 58px; font-size: 1.6rem; }
}

/* --- Utility --- */
.flex { display: flex; }
.flex-wrap { flex-wrap: wrap; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-sm { gap: var(--space-sm); }
.gap-md { gap: var(--space-md); }
.gap-lg { gap: var(--space-lg); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mt-xl { margin-top: var(--space-xl); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.mb-xl { margin-bottom: var(--space-xl); }
.text-center { text-align: center; }
.hidden { display: none !important; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); }

/* --- Vote / Like button --- */
.vote-btn {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 0.3rem 0.7rem; border-radius: 100px;
  border: 1.5px solid var(--eil-border); background: var(--eil-card);
  font-size: var(--font-size-sm); cursor: pointer; transition: all var(--transition-fast);
}
.vote-btn:hover, .vote-btn.voted {
  border-color: var(--eil-coral); color: var(--eil-coral); background: var(--eil-coral-bg);
}

/* --- Upload zone --- */
.upload-zone {
  border: 2px dashed var(--eil-border); border-radius: var(--radius-md);
  padding: var(--space-2xl); text-align: center;
  color: var(--eil-text-muted); cursor: pointer;
  transition: all var(--transition-fast);
}
.upload-zone:hover { border-color: var(--eil-coral); color: var(--eil-coral); background: var(--eil-coral-bg); }

/* --- Countdown --- */
.countdown { font-family: var(--font-heading); font-weight: 700; color: var(--eil-coral); }
.countdown.urgent { color: var(--eil-danger); }

/* --- Filters bar --- */
.filters-bar {
  display: flex; gap: var(--space-sm); flex-wrap: wrap;
  margin-bottom: var(--space-lg);
}
.filter-chip {
  padding: 0.35rem 0.9rem; border-radius: 100px;
  border: 1.5px solid var(--eil-border); background: var(--eil-card);
  font-size: var(--font-size-sm); cursor: pointer; transition: all var(--transition-fast);
}
.filter-chip:hover, .filter-chip.active {
  border-color: var(--eil-coral); color: var(--eil-coral); background: var(--eil-coral-bg);
}

/* --- Login box --- */
.login-box {
  max-width: 400px; margin: var(--space-3xl) auto;
  background: var(--eil-card); border-radius: var(--radius-lg);
  border: 1px solid var(--eil-border); padding: var(--space-2xl);
  text-align: center;
}
.login-box h2 { margin-bottom: var(--space-lg); }