@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Space+Grotesk:wght@500;600;700&display=swap');

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

:root {
  --bg: #07080a;
  --surface: #0f1115;
  --surface-2: #161920;
  --border: #1a1d24;
  --border-hover: #2a2d34;
  --text: #e8eaed;
  --text-muted: #8b8f98;
  --text-dim: #5a5e67;
  --accent: #34d399;
  --accent-dim: rgba(52, 211, 153, 0.12);
  --accent-glow: rgba(52, 211, 153, 0.25);
  --accent-hover: #2bc48a;
  --warm: #fbbf24;
  --warm-dim: rgba(251, 191, 36, 0.12);
  --danger: #f87171;
  --danger-dim: rgba(248, 113, 113, 0.12);
  --blue: #60a5fa;
  --blue-dim: rgba(96, 165, 250, 0.12);
  --radius: 12px;
  --radius-sm: 8px;
  --radius-lg: 16px;
}

body {
  font-family: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4 { font-family: 'Space Grotesk', sans-serif; font-weight: 700; letter-spacing: -0.5px; line-height: 1.2; }
h1 { font-size: 2rem; }
h2 { font-size: 1.5rem; }
h3 { font-size: 1.2rem; }
a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-hover); }

/* Layout */
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.page-container { padding: 32px 24px; max-width: 1200px; margin: 0 auto; }

/* App Nav */
.app-nav {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 24px; border-bottom: 1px solid var(--border);
  max-width: 1200px; margin: 0 auto;
}
.app-nav .logo { font-family: 'Space Grotesk', sans-serif; font-weight: 700; font-size: 1.3rem; letter-spacing: -0.5px; color: var(--text); text-decoration: none; }
.app-nav .logo span { color: var(--accent); }
.nav-links { display: flex; gap: 8px; align-items: center; }
.nav-links a {
  color: var(--text-muted); padding: 8px 14px; border-radius: var(--radius-sm);
  font-size: 0.9rem; font-weight: 500; transition: all 0.2s;
}
.nav-links a:hover, .nav-links a.active { color: var(--text); background: var(--surface); }
.nav-links a.active { color: var(--accent); background: var(--accent-dim); }
.btn-logout { cursor: pointer; background: none; border: 1px solid var(--border); color: var(--text-muted); padding: 8px 14px; border-radius: var(--radius-sm); font-size: 0.85rem; }
.btn-logout:hover { border-color: var(--danger); color: var(--danger); }

/* Cards */
.card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 24px;
}
.card-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; }
.card-header h3 { margin: 0; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 20px; border-radius: var(--radius-sm);
  font-family: 'DM Sans', sans-serif; font-weight: 600; font-size: 0.9rem;
  border: none; cursor: pointer; transition: all 0.2s;
  text-decoration: none; line-height: 1;
}
.btn-primary { background: var(--accent); color: #07080a; }
.btn-primary:hover { background: var(--accent-hover); color: #07080a; transform: translateY(-1px); }
.btn-primary:disabled { opacity: 0.5; cursor: not-allowed; transform: none; }
.btn-secondary { background: var(--surface); color: var(--text); border: 1px solid var(--border); }
.btn-secondary:hover { border-color: var(--accent); color: var(--accent); }
.btn-danger { background: var(--danger-dim); color: var(--danger); }
.btn-danger:hover { background: var(--danger); color: white; }
.btn-sm { padding: 6px 12px; font-size: 0.8rem; }
.btn-lg { padding: 14px 28px; font-size: 1rem; }
.btn-full { width: 100%; justify-content: center; }
.btn-ghost { background: transparent; color: var(--text-muted); }
.btn-ghost:hover { color: var(--accent); }

/* Forms */
.form-group { margin-bottom: 20px; }
.form-label { display: block; font-weight: 600; font-size: 0.85rem; color: var(--text-muted); margin-bottom: 6px; text-transform: uppercase; letter-spacing: 0.5px; }
.form-input, .form-select, .form-textarea {
  width: 100%; padding: 12px 16px; background: var(--bg);
  border: 1px solid var(--border); border-radius: var(--radius-sm);
  color: var(--text); font-family: 'DM Sans', sans-serif; font-size: 0.95rem;
  transition: border-color 0.2s;
}
.form-input:focus, .form-select:focus, .form-textarea:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-dim); }
.form-input::placeholder { color: var(--text-dim); }
.form-textarea { resize: vertical; min-height: 100px; }
.form-select { -webkit-appearance: none; 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='%238b8f98' d='M6 8L1 3h10z'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 12px center; padding-right: 36px; }
.form-select option { background: var(--surface); color: var(--text); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-row-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 16px; }
.form-hint { font-size: 0.8rem; color: var(--text-dim); margin-top: 4px; }

/* Stats Grid */
.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 16px; margin-bottom: 24px; }
.stat-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 20px;
}
.stat-value { font-family: 'Space Grotesk', sans-serif; font-size: 2rem; font-weight: 700; color: var(--accent); }
.stat-label { font-size: 0.85rem; color: var(--text-muted); margin-top: 4px; }

/* Table */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th { text-align: left; padding: 12px 16px; font-size: 0.8rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.5px; border-bottom: 1px solid var(--border); font-weight: 600; }
td { padding: 14px 16px; border-bottom: 1px solid var(--border); font-size: 0.9rem; }
tr:hover td { background: var(--surface-2); }

/* Badges */
.badge {
  display: inline-flex; align-items: center; padding: 4px 10px;
  border-radius: 100px; font-size: 0.75rem; font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.3px;
}
.badge-accent { background: var(--accent-dim); color: var(--accent); }
.badge-warm { background: var(--warm-dim); color: var(--warm); }
.badge-blue { background: var(--blue-dim); color: var(--blue); }
.badge-danger { background: var(--danger-dim); color: var(--danger); }
.badge-muted { background: var(--surface-2); color: var(--text-muted); }

/* Filters */
.filters-bar { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 24px; align-items: center; }
.filters-bar .form-select, .filters-bar .form-input { width: auto; min-width: 160px; padding: 8px 12px; font-size: 0.85rem; }
.filters-bar .form-input { min-width: 250px; }

/* Modal */
.modal-overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,0.7);
  display: flex; align-items: center; justify-content: center;
  z-index: 1000; opacity: 0; pointer-events: none; transition: opacity 0.2s;
}
.modal-overlay.show { opacity: 1; pointer-events: auto; }
.modal {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 32px;
  max-width: 700px; width: 90%; max-height: 85vh; overflow-y: auto;
}
.modal h2 { margin-bottom: 24px; }
.modal-actions { display: flex; gap: 12px; justify-content: flex-end; margin-top: 24px; }

/* Toast */
.toast {
  position: fixed; bottom: 24px; right: 24px; padding: 14px 24px;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-sm); font-size: 0.9rem; z-index: 2000;
  transform: translateY(100px); opacity: 0; transition: all 0.3s;
}
.toast.show { transform: translateY(0); opacity: 1; }
.toast-success { border-color: var(--accent); color: var(--accent); }
.toast-error { border-color: var(--danger); color: var(--danger); }
.toast-info { border-color: var(--blue); color: var(--blue); }

/* Loading */
.spinner {
  display: inline-block; width: 20px; height: 20px;
  border: 2px solid var(--border); border-top-color: var(--accent);
  border-radius: 50%; animation: spin 0.6s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.loading-state { display: flex; align-items: center; justify-content: center; padding: 60px; color: var(--text-muted); gap: 12px; }

/* Email preview */
.email-preview {
  background: var(--bg); border: 1px solid var(--border);
  border-radius: var(--radius-sm); padding: 24px; margin: 16px 0;
  white-space: pre-wrap; line-height: 1.7; font-size: 0.95rem;
}
.email-subject { font-weight: 700; font-size: 1.1rem; margin-bottom: 16px; padding-bottom: 12px; border-bottom: 1px solid var(--border); }

/* Responsive */
@media (max-width: 768px) {
  .form-row, .form-row-3 { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .filters-bar { flex-direction: column; }
  .filters-bar .form-select, .filters-bar .form-input { width: 100%; min-width: unset; }
  .nav-links { gap: 4px; }
  .nav-links a { padding: 6px 10px; font-size: 0.8rem; }
  .app-nav { padding: 12px 16px; }
  h1 { font-size: 1.5rem; }
  .modal { padding: 20px; }
}

/* Page header */
.page-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 32px; flex-wrap: wrap; gap: 16px; }
.page-header h1 { margin: 0; }
.page-subtitle { color: var(--text-muted); font-size: 0.95rem; margin-top: 4px; }

/* Empty state */
.empty-state { text-align: center; padding: 60px 20px; color: var(--text-muted); }
.empty-state h3 { color: var(--text); margin-bottom: 8px; }
.empty-state p { margin-bottom: 20px; }

/* Coach card */
.coach-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 20px; transition: all 0.2s;
}
.coach-card:hover { border-color: var(--accent); transform: translateY(-2px); }
.coach-card h4 { margin-bottom: 4px; }
.coach-card .school { color: var(--accent); font-weight: 600; font-size: 0.95rem; }
.coach-card .meta { color: var(--text-muted); font-size: 0.85rem; margin-top: 8px; }
.coach-card .meta span { display: inline-flex; align-items: center; gap: 4px; }
.coaches-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 16px; }

/* Section divider */
.section-divider { border: 0; border-top: 1px solid var(--border); margin: 32px 0; }

/* Pagination */
.pagination { display: flex; align-items: center; justify-content: center; gap: 8px; margin-top: 24px; }
.pagination .btn { min-width: 40px; justify-content: center; }
.pagination .current { color: var(--accent); font-weight: 700; padding: 8px 12px; }

/* Auth pages */
.auth-container {
  min-height: 100vh; display: flex; align-items: center; justify-content: center;
}
.auth-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 40px;
  width: 100%; max-width: 420px; margin: 20px;
}
.auth-card h1 { text-align: center; margin-bottom: 8px; }
.auth-card .subtitle { text-align: center; color: var(--text-muted); margin-bottom: 32px; }
.auth-footer { text-align: center; margin-top: 24px; font-size: 0.9rem; color: var(--text-muted); }

/* Steps */
.steps { display: flex; gap: 0; margin-bottom: 32px; overflow-x: auto; }
.step {
  flex: 1; text-align: center; padding: 12px 16px; font-size: 0.85rem; font-weight: 600;
  color: var(--text-dim); border-bottom: 2px solid var(--border); min-width: 120px;
}
.step.active { color: var(--accent); border-color: var(--accent); }
.step.done { color: var(--text-muted); border-color: var(--accent); }