/* SOFMA Admin */
:root {
  --sofma-blue: #2222ee;
  --sofma-blue-hover: #1a1ad0;
  --sofma-red: #d62828;
  --sofma-yellow: #f0d422;
  --bg: #f5f6fa;
  --panel: #fff;
  --text: #1a1a2e;
  --muted: #6b6b80;
  --border: #e2e2e8;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: 'Raleway', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
  font-size: 14px;
}

/* ---- LOGIN PAGE ---- */
.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--sofma-blue) 0%, #4040ff 100%);
  padding: 20px;
}
.login-card {
  background: #fff;
  padding: 40px 36px;
  border-radius: 8px;
  box-shadow: 0 20px 60px rgba(0,0,0,.25);
  width: 100%;
  max-width: 380px;
}
.login-card h1 {
  margin: 0 0 6px;
  text-align: center;
  font-size: 24px;
  font-weight: 800;
  color: var(--sofma-blue);
  letter-spacing: 2px;
}
.login-card .login-sub {
  margin: 0 0 24px;
  text-align: center;
  color: var(--muted);
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 2px;
}

/* ---- LAYOUT ---- */
.admin-layout {
  display: flex;
  min-height: 100vh;
}
.admin-sidebar {
  width: 220px;
  background: #1a1a2e;
  color: #fff;
  flex-shrink: 0;
}
.admin-brand {
  padding: 22px 22px 20px;
  border-bottom: 1px solid rgba(255,255,255,.08);
  font-size: 20px;
  letter-spacing: 2px;
}
.admin-brand strong { color: #fff; font-weight: 800; }
.admin-brand span {
  font-size: 12px;
  font-weight: 600;
  color: var(--sofma-yellow);
  letter-spacing: 4px;
}
.admin-nav { display: flex; flex-direction: column; padding: 12px 0; }
.admin-nav a {
  display: block;
  padding: 11px 22px;
  color: rgba(255,255,255,.75);
  text-decoration: none;
  font-size: 14px;
  font-weight: 600;
  border-left: 3px solid transparent;
  transition: all .15s;
}
.admin-nav a:hover { background: rgba(255,255,255,.05); color: #fff; }
.admin-nav a.active {
  background: rgba(34,34,238,.18);
  color: #fff;
  border-left-color: var(--sofma-blue);
}
.admin-nav-external {
  margin-top: 12px;
  border-top: 1px solid rgba(255,255,255,.08);
  font-size: 13px !important;
  color: rgba(255,255,255,.55) !important;
}
.admin-logout {
  margin-top: auto;
  color: rgba(255,180,180,.85) !important;
}
.admin-main {
  flex: 1;
  padding: 30px 36px 60px;
  overflow-x: auto;
}
.admin-h1 {
  margin: 0 0 24px;
  font-size: 26px;
  font-weight: 800;
  color: var(--sofma-blue);
  letter-spacing: 1px;
}

/* ---- PANEL / CARD ---- */
.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 22px;
  margin-bottom: 22px;
}
.panel h2 {
  margin: 0 0 16px;
  font-size: 16px;
  font-weight: 800;
  color: var(--sofma-blue);
  text-transform: uppercase;
  letter-spacing: 1.5px;
}
.panel h3 {
  margin: 0 0 12px;
  font-size: 14px;
  font-weight: 700;
  color: var(--text);
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* ---- FORMS ---- */
.form-row { margin-bottom: 14px; }
.form-row label {
  display: block;
  margin-bottom: 5px;
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--muted);
}
.form-row input[type="text"],
.form-row input[type="password"],
.form-row input[type="email"],
.form-row input[type="number"],
.form-row input[type="date"],
.form-row select,
.form-row textarea {
  width: 100%;
  padding: 9px 12px;
  border: 1px solid var(--border);
  border-radius: 4px;
  font-family: inherit;
  font-size: 14px;
  background: #fff;
  transition: border-color .15s, box-shadow .15s;
}
.form-row input:focus,
.form-row select:focus,
.form-row textarea:focus {
  outline: none;
  border-color: var(--sofma-blue);
  box-shadow: 0 0 0 3px rgba(34,34,238,.12);
}
.form-row textarea { min-height: 100px; resize: vertical; }
.form-row .form-hint { font-size: 12px; color: var(--muted); margin-top: 4px; }
.form-actions {
  margin-top: 18px;
  display: flex;
  gap: 10px;
  align-items: center;
}

.btn {
  display: inline-block;
  padding: 9px 20px;
  border: 0;
  border-radius: 4px;
  background: var(--sofma-blue);
  color: #fff;
  font-family: inherit;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  text-decoration: none;
  cursor: pointer;
  transition: all .15s;
}
.btn:hover { background: var(--sofma-blue-hover); transform: translateY(-1px); }
.btn-secondary { background: #6b6b80; }
.btn-secondary:hover { background: #54546a; }
.btn-danger { background: var(--sofma-red); }
.btn-danger:hover { background: #b22020; }
.btn-sm { padding: 5px 12px; font-size: 12px; }

/* ---- FLASH ---- */
.flash {
  padding: 11px 16px;
  border-radius: 4px;
  margin-bottom: 16px;
  font-weight: 600;
  font-size: 14px;
}
.flash-success { background: #d4edda; color: #155724; border: 1px solid #c3e6cb; }
.flash-error   { background: #f8d7da; color: #721c24; border: 1px solid #f5c6cb; }
.flash-info    { background: #d1ecf1; color: #0c5460; border: 1px solid #bee5eb; }

/* ---- TABLES ---- */
.data-table {
  width: 100%;
  border-collapse: collapse;
  background: #fff;
}
.data-table th, .data-table td {
  padding: 10px 12px;
  text-align: left;
  border-bottom: 1px solid var(--border);
  font-size: 14px;
  vertical-align: middle;
}
.data-table th {
  background: #fafafa;
  font-weight: 700;
  text-transform: uppercase;
  font-size: 11px;
  letter-spacing: 1.5px;
  color: var(--muted);
}
.data-table td .row-actions { display: flex; gap: 6px; }
.data-table td img.thumb {
  width: 50px; height: 50px;
  object-fit: cover;
  border-radius: 4px;
  border: 1px solid var(--border);
}

/* ---- TIMETABLE EDITOR ---- */
.tt-editor { overflow-x: auto; }
.tt-editor table {
  border-collapse: collapse;
  width: 100%;
  min-width: 760px;
  background: #fff;
}
.tt-editor th, .tt-editor td {
  border: 1px solid var(--border);
  padding: 4px;
}
.tt-editor th {
  background: var(--sofma-blue);
  color: #fff;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 1px;
  padding: 8px;
}
.tt-editor input, .tt-editor select {
  width: 100%;
  border: 0;
  padding: 6px;
  font-family: inherit;
  font-size: 13px;
  background: transparent;
}
.tt-editor input:focus, .tt-editor select:focus {
  outline: 2px solid var(--sofma-blue);
  outline-offset: -2px;
}
.tt-editor .cell-color {
  display: block;
  margin-top: 2px;
  font-size: 11px;
}
.tt-tabs { display: flex; gap: 0; margin-bottom: 16px; border-bottom: 2px solid var(--border); }
.tt-tab {
  padding: 10px 22px;
  background: transparent;
  border: 0;
  border-bottom: 3px solid transparent;
  font-family: inherit;
  font-size: 14px;
  font-weight: 700;
  color: var(--muted);
  cursor: pointer;
  text-transform: uppercase;
  letter-spacing: 1px;
}
.tt-tab.active { color: var(--sofma-blue); border-bottom-color: var(--sofma-blue); }

/* ---- DASHBOARD STATS ---- */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 14px;
  margin-bottom: 24px;
}
.stat-card {
  background: #fff;
  border: 1px solid var(--border);
  border-left: 4px solid var(--sofma-blue);
  border-radius: 4px;
  padding: 16px 18px;
}
.stat-card .stat-num {
  font-size: 28px;
  font-weight: 800;
  color: var(--sofma-blue);
  line-height: 1;
}
.stat-card .stat-label {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--muted);
  margin-top: 4px;
}

/* ---- INSTRUCTOR CARD GRID (admin) ---- */
.ins-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 16px;
}
.ins-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 6px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.ins-card .ins-img {
  aspect-ratio: 4 / 5;
  background: #1c1c5c;
  overflow: hidden;
}
.ins-card .ins-img img {
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: center 15%;
}
.ins-card .ins-meta { padding: 14px 16px; flex: 1; }
.ins-card .ins-meta strong {
  display: block;
  color: var(--sofma-blue);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 1px;
  margin-bottom: 4px;
}
.ins-card .ins-meta .ins-title { font-size: 14px; font-weight: 700; }
.ins-card .ins-meta .ins-rank { font-size: 12px; color: var(--muted); }
.ins-card .ins-actions { padding: 10px 16px; border-top: 1px solid var(--border); display: flex; gap: 8px; }

/* ---- RESPONSIVE ---- */
@media (max-width: 800px) {
  .admin-sidebar { width: 60px; }
  .admin-brand { padding: 14px 8px; text-align: center; font-size: 0; }
  .admin-brand strong { font-size: 18px; }
  .admin-brand span { display: none; }
  .admin-nav a { padding: 14px 8px; text-align: center; font-size: 11px; letter-spacing: 0; }
  .admin-main { padding: 18px; }
}