/* D1 Notes OS — Main Stylesheet */

:root {
  --navy: #0f1c2e;
  --red: #c0392b;
  --gold: #f5a623;
  --white: #ffffff;
  --gray-100: #f8f9fa;
  --gray-200: #e9ecef;
  --gray-400: #adb5bd;
  --gray-600: #6c757d;
  --gray-800: #343a40;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--gray-100);
  color: var(--gray-800);
  line-height: 1.5;
  min-height: 100vh;
}

a { color: var(--red); text-decoration: none; }
a:hover { text-decoration: underline; }

.btn {
  display: inline-block;
  padding: 10px 20px;
  border-radius: 6px;
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  border: none;
  transition: background 0.2s;
}
.btn-primary { background: var(--red); color: var(--white); }
.btn-primary:hover { background: #a93226; }
.btn-secondary { background: var(--gray-200); color: var(--gray-800); }
.btn-secondary:hover { background: var(--gray-400); }
.btn-gold { background: var(--gold); color: var(--navy); }
.btn-gold:hover { background: #e09a1a; }

/* Navbar */
.navbar {
  background: var(--navy);
  color: var(--white);
  padding: 0 24px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.navbar .logo { font-size: 1.2rem; font-weight: 700; letter-spacing: -0.5px; }
.navbar .logo span { color: var(--gold); }
.navbar nav a { color: var(--gray-400); margin-left: 20px; font-size: 0.9rem; }
.navbar nav a:hover { color: var(--white); text-decoration: none; }

/* Page container */
.container { max-width: 960px; margin: 0 auto; padding: 32px 24px; }

.page-header { margin-bottom: 28px; }
.page-header h1 { font-size: 1.75rem; font-weight: 700; color: var(--navy); }
.page-header p { color: var(--gray-600); margin-top: 4px; }

/* Cards */
.card {
  background: var(--white);
  border-radius: 10px;
  padding: 24px;
  box-shadow: 0 1px 4px rgba(0,0,0,0.07);
  margin-bottom: 16px;
}
.card-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 16px; }
.card-title { font-size: 1rem; font-weight: 600; margin-bottom: 8px; color: var(--navy); }

/* Status badges */
.badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
}
.badge-pending { background: #fff3cd; color: #856404; }
.badge-in-progress { background: #d1ecf1; color: #0c5460; }
.badge-completed { background: #d4edda; color: #155724; }

/* Forms */
.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-weight: 600; font-size: 0.85rem; margin-bottom: 6px; color: var(--gray-800); }
.form-group input, .form-group select, .form-group textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1.5px solid var(--gray-200);
  border-radius: 6px;
  font-size: 0.95rem;
  font-family: inherit;
  transition: border-color 0.2s;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  outline: none;
  border-color: var(--red);
}
textarea { resize: vertical; min-height: 80px; }

/* Evaluation list items */
.eval-item { display: flex; justify-content: space-between; align-items: center; padding: 16px; background: var(--white); border-radius: 8px; margin-bottom: 12px; box-shadow: 0 1px 3px rgba(0,0,0,0.06); }
.eval-item .eval-title { font-weight: 600; color: var(--navy); }
.eval-item .eval-meta { color: var(--gray-600); font-size: 0.85rem; margin-top: 4px; }

/* Note list */
.note-item { padding: 14px 16px; background: var(--white); border-radius: 8px; margin-bottom: 10px; border-left: 4px solid var(--gold); }
.note-item .note-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 8px; }
.note-item .note-time { font-size: 0.8rem; color: var(--gray-600); }
.note-item .note-rating { font-size: 0.85rem; font-weight: 600; color: var(--gold); }
.note-item .note-category { font-size: 0.75rem; background: var(--gray-200); padding: 2px 8px; border-radius: 4px; color: var(--gray-600); }
.note-item .note-text { color: var(--gray-800); font-size: 0.95rem; }

/* Stars */
.stars { color: var(--gold); font-size: 1.1rem; }
.stars-empty { color: var(--gray-200); }

/* Video embed */
.video-embed { width: 100%; border-radius: 8px; overflow: hidden; margin-bottom: 24px; }
.video-embed iframe, .video-embed video { width: 100%; aspect-ratio: 16/9; border: none; }

/* Auth pages */
.auth-container { display: flex; align-items: center; justify-content: center; min-height: 100vh; }
.auth-box { background: var(--white); padding: 40px; border-radius: 12px; box-shadow: 0 4px 20px rgba(0,0,0,0.1); width: 100%; max-width: 420px; }
.auth-box h1 { font-size: 1.5rem; margin-bottom: 8px; color: var(--navy); }
.auth-box .subtitle { color: var(--gray-600); margin-bottom: 28px; }
.auth-box .error-msg { background: #f8d7da; color: #721c24; padding: 10px 14px; border-radius: 6px; font-size: 0.9rem; margin-bottom: 16px; }
.auth-box .form-footer { text-align: center; margin-top: 20px; font-size: 0.9rem; color: var(--gray-600); }

/* Role toggle on signup */
.role-toggle { display: flex; gap: 10px; margin-bottom: 16px; }
.role-btn { flex: 1; padding: 12px; border: 2px solid var(--gray-200); border-radius: 8px; background: var(--white); cursor: pointer; text-align: center; font-weight: 600; font-size: 0.9rem; transition: all 0.2s; }
.role-btn.selected { border-color: var(--red); background: #fdf0ef; color: var(--red); }
.role-btn input { display: none; }

/* Nav tabs on evaluate page */
.tabs { display: flex; gap: 4px; border-bottom: 2px solid var(--gray-200); margin-bottom: 24px; }
.tab { padding: 8px 16px; font-weight: 600; font-size: 0.9rem; color: var(--gray-600); border-bottom: 2px solid transparent; margin-bottom: -2px; cursor: pointer; }
.tab.active { color: var(--red); border-bottom-color: var(--red); }

/* Empty state */
.empty-state { text-align: center; padding: 60px 20px; color: var(--gray-600); }
.empty-state h3 { font-size: 1.1rem; margin-bottom: 8px; color: var(--gray-800); }

/* Alert/flash */
.alert { padding: 12px 16px; border-radius: 6px; margin-bottom: 16px; font-size: 0.9rem; }
.alert-error { background: #f8d7da; color: #721c24; }
.alert-success { background: #d4edda; color: #155724; }