/* ============================================================
   Moodle Theme Builder — app.css
   Full design system: dark/light mode, components, utilities
   ============================================================ */

/* ── Google Fonts imported via HTML ─────────────────────────── */

/* ── CSS Variables — Dark Theme (default) ─────────────────────*/
:root,
[data-theme="dark"] {
  --bg-deep:        #080e1a;
  --bg-card:        #111827;
  --bg-input:       #1e293b;
  --bg-sidebar:     #0f172a;
  --bg-hover:       #1e293b;
  --border-color:   #1e293b;
  --border-subtle:  #0f172a;

  --text-primary:   #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted:     #64748b;

  --accent:         #6366f1;
  --accent-alt:     #8b5cf6;
  --accent-hover:   #4f46e5;
  --accent-glow:    rgba(99,102,241,.25);

  --success:   #10b981;
  --warning:   #f59e0b;
  --danger:    #ef4444;
  --info:      #3b82f6;

  --shadow-sm: 0 2px 8px rgba(0,0,0,.4);
  --shadow-md: 0 8px 24px rgba(0,0,0,.5);
  --shadow-lg: 0 24px 64px rgba(0,0,0,.6);

  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
}

/* ── Light Theme ──────────────────────────────────────────────*/
[data-theme="light"] {
  --bg-deep:        #f0f4ff;
  --bg-card:        #ffffff;
  --bg-input:       #f8fafc;
  --bg-sidebar:     #f0f4ff;
  --bg-hover:       #e8ecf8;
  --border-color:   #e2e8f0;
  --border-subtle:  #f1f5f9;

  --text-primary:   #0f172a;
  --text-secondary: #475569;
  --text-muted:     #94a3b8;

  --accent:         #4f46e5;
  --accent-alt:     #7c3aed;
  --accent-hover:   #4338ca;
  --accent-glow:    rgba(79,70,229,.15);

  --shadow-sm: 0 2px 8px rgba(0,0,0,.06);
  --shadow-md: 0 8px 24px rgba(0,0,0,.1);
  --shadow-lg: 0 24px 64px rgba(0,0,0,.14);
}

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

body {
  font-family: 'Space Grotesk', system-ui, sans-serif;
  background: var(--bg-deep);
  color: var(--text-primary);
  margin: 0;
  -webkit-font-smoothing: antialiased;
  transition: background .25s, color .25s;
}

/* ── Typography ───────────────────────────────────────────────*/
h1,h2,h3,h4,h5,h6 { color: var(--text-primary); font-weight: 700; }
a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-hover); }
code {
  font-family: 'JetBrains Mono', monospace;
  font-size: .82em;
  color: var(--accent-alt);
  background: var(--accent-glow);
  padding: .15em .4em;
  border-radius: 4px;
}

/* ── Scrollbar ────────────────────────────────────────────────*/
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border-color); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--accent); }

/* ═══════════════════════════════════════════════════════════
   DASHBOARD LAYOUT
═══════════════════════════════════════════════════════════ */

/* ── App Navbar ───────────────────────────────────────────────*/
.app-navbar {
  height: 60px;
  background: var(--bg-card);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  padding: 0 1.5rem;
  gap: 1.5rem;
  position: sticky;
  top: 0;
  z-index: 1000;
}
.nav-brand {
  display: flex;
  align-items: center;
  gap: .6rem;
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--text-primary);
  text-decoration: none;
}
.brand-icon {
  width: 32px; height: 32px;
  background: linear-gradient(135deg, var(--accent), var(--accent-alt));
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  color: #fff;
  font-size: .85rem;
}
.brand-text { letter-spacing: -.5px; }
.nav-link-item {
  color: var(--text-secondary);
  font-size: .875rem;
  font-weight: 500;
  padding: .35rem .75rem;
  border-radius: var(--radius-sm);
  transition: color .15s, background .15s;
}
.nav-link-item:hover, .nav-link-item.active {
  color: var(--accent);
  background: var(--accent-glow);
}
.nav-right { margin-left: auto; }
.user-chip {
  display: flex; align-items: center; gap: .5rem;
  font-size: .875rem; color: var(--text-secondary);
}
.user-avatar {
  width: 32px; height: 32px;
  background: linear-gradient(135deg, var(--accent), var(--accent-alt));
  border-radius: 50%;
  color: #fff; font-weight: 700; font-size: .75rem;
  display: flex; align-items: center; justify-content: center;
}

/* ── Dashboard Main ───────────────────────────────────────────*/
.dashboard-main {
  max-width: 1400px;
  margin: 0 auto;
  padding: 2rem;
}
.dashboard-hero {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
  gap: 1rem;
  flex-wrap: wrap;
}
.hero-title { font-size: 1.75rem; font-weight: 700; margin: 0; }
.hero-sub { color: var(--text-muted); margin: .25rem 0 0; }

/* ── Stats bar ────────────────────────────────────────────────*/
.stats-bar { display: flex; gap: .75rem; flex-wrap: wrap; }
.stat-chip {
  display: flex; align-items: center;
  padding: .4rem 1rem;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  font-size: .8rem;
  color: var(--text-secondary);
  font-weight: 500;
}

/* ── Projects Grid ────────────────────────────────────────────*/
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.25rem;
}
.project-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: border-color .2s, transform .2s, box-shadow .2s;
  display: flex; flex-direction: column;
}
.project-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}
.project-card-header {
  display: flex; justify-content: space-between; align-items: center;
  padding: 1rem 1.25rem .75rem;
}
.project-icon {
  width: 44px; height: 44px;
  background: linear-gradient(135deg, var(--accent), var(--accent-alt));
  border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-size: 1.25rem;
}
.project-badge {
  font-size: .7rem; font-weight: 600;
  padding: .2em .7em; border-radius: 20px;
  text-transform: uppercase; letter-spacing: .05em;
}
.project-badge.badge-draft    { background: rgba(245,158,11,.15); color: var(--warning); }
.project-badge.badge-complete { background: rgba(16,185,129,.15); color: var(--success); }
.project-card-body { padding: 0 1.25rem 1rem; flex: 1; }
.project-name { font-size: 1rem; font-weight: 700; margin-bottom: .25rem; }
.project-desc { font-size: .82rem; color: var(--text-muted); margin-bottom: .75rem; min-height: 1.5em; }
.project-meta { display: flex; gap: 1rem; font-size: .75rem; color: var(--text-muted); }
.step-progress {
  height: 4px; background: var(--border-color);
  border-radius: 2px; margin-top: .75rem; overflow: hidden;
}
.step-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--accent), var(--accent-alt));
  border-radius: 2px;
  transition: width .4s;
}
.project-card-footer {
  padding: .75rem 1.25rem;
  border-top: 1px solid var(--border-color);
  display: flex; gap: .5rem; align-items: center;
}

/* ── Empty state ──────────────────────────────────────────────*/
.empty-state {
  text-align: center;
  padding: 5rem 2rem;
  color: var(--text-muted);
}
.empty-icon {
  font-size: 4rem; margin-bottom: 1rem;
  opacity: .25;
}
.empty-state h3 { font-size: 1.25rem; margin-bottom: .5rem; color: var(--text-secondary); }
.empty-state p  { margin-bottom: 1.5rem; }

/* ═══════════════════════════════════════════════════════════
   SHARED COMPONENTS
═══════════════════════════════════════════════════════════ */

/* ── Buttons ──────────────────────────────────────────────────*/
.btn-primary-glow {
  background: linear-gradient(135deg, var(--accent), var(--accent-alt));
  color: #fff;
  border: none;
  border-radius: var(--radius-sm);
  padding: .6rem 1.25rem;
  font-weight: 600;
  font-size: .875rem;
  cursor: pointer;
  transition: opacity .2s, transform .1s, box-shadow .2s;
  font-family: inherit;
}
.btn-primary-glow:hover {
  opacity: .92;
  transform: translateY(-1px);
  box-shadow: 0 6px 20px var(--accent-glow);
}
.btn-ghost {
  background: var(--bg-hover);
  color: var(--text-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: .5rem 1rem;
  font-size: .875rem;
  cursor: pointer;
  transition: background .15s, color .15s;
  font-family: inherit;
}
.btn-ghost:hover { background: var(--border-color); color: var(--text-primary); }
.btn-ghost.btn-sm { padding: .35rem .75rem; font-size: .8rem; }
.btn-card-primary {
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: var(--radius-sm);
  padding: .4rem .9rem;
  font-size: .8rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex; align-items: center;
  transition: opacity .2s;
  font-family: inherit;
}
.btn-card-primary:hover { opacity: .85; color: #fff; }
.btn-card-icon {
  width: 32px; height: 32px;
  background: var(--bg-hover);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; color: var(--text-secondary);
  transition: background .15s, color .15s;
  font-size: .85rem;
}
.btn-card-icon:hover { background: var(--border-color); }
.icon-btn {
  width: 36px; height: 36px;
  background: transparent;
  border: none;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; font-size: 1rem;
  transition: background .15s, color .15s;
  text-decoration: none;
}
.icon-btn:hover { background: var(--bg-hover); color: var(--text-primary); }
.btn-export {
  background: linear-gradient(135deg, var(--accent), var(--accent-alt));
  color: #fff;
  border: none;
  border-radius: var(--radius-sm);
  padding: .4rem 1rem;
  font-size: .8rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex; align-items: center;
  transition: opacity .2s;
}
.btn-export:hover { opacity: .88; color: #fff; }

/* ── Form Controls ────────────────────────────────────────────*/
.app-input {
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  padding: .6rem .875rem;
  font-size: .875rem;
  width: 100%;
  font-family: inherit;
  transition: border-color .2s, box-shadow .2s;
  outline: none;
}
.app-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}
.app-input::placeholder { color: var(--text-muted); }
textarea.app-input { resize: vertical; }
select.app-input { cursor: pointer; appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2364748b' d='M6 8L1 3h10z'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right .75rem center; padding-right: 2rem; }

/* ── Switch ───────────────────────────────────────────────────*/
.switch-label { display: flex; align-items: center; gap: .75rem; cursor: pointer; }
.app-switch { position: absolute; opacity: 0; width: 0; height: 0; }
.switch-track {
  width: 40px; height: 22px;
  background: var(--border-color);
  border-radius: 11px;
  position: relative;
  flex-shrink: 0;
  transition: background .2s;
}
.app-switch:checked + .switch-track { background: var(--accent); }
.switch-thumb {
  position: absolute;
  top: 3px; left: 3px;
  width: 16px; height: 16px;
  background: #fff;
  border-radius: 50%;
  transition: transform .2s;
  box-shadow: 0 1px 4px rgba(0,0,0,.3);
}
.app-switch:checked + .switch-track .switch-thumb { transform: translateX(18px); }

/* ── Modal ────────────────────────────────────────────────────*/
.app-modal {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  color: var(--text-primary);
}
.app-modal .modal-header {
  border-bottom: 1px solid var(--border-color);
  padding: 1.25rem 1.5rem;
}
.app-modal .modal-footer {
  border-top: 1px solid var(--border-color);
  gap: .5rem;
}

/* ── Toast ────────────────────────────────────────────────────*/
.app-toast {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-primary);
}

/* ── Text accent ──────────────────────────────────────────────*/
.text-accent { color: var(--accent) !important; }
.text-purple  { color: var(--accent-alt) !important; }
.text-green   { color: var(--success) !important; }
.text-yellow  { color: var(--warning) !important; }
.text-red     { color: var(--danger) !important; }