/* ── Portal shared styles (student dashboard, course player, auth) ── */
@import url('../css/styles.css');

/* ── Auth page ──────────────────────────────────────────────── */
.auth-page {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  background: var(--surface-page);
}
.auth-brand {
  background: var(--surface-inverse);
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 64px;
  gap: 24px;
}
.auth-brand .brand-tagline {
  font-size: var(--text-lg);
  color: var(--text-inverse-secondary);
  max-width: 320px;
  line-height: 1.6;
}
.auth-brand .brand-points {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.auth-brand .brand-points li {
  color: var(--text-inverse-secondary);
  font-size: var(--text-sm);
  display: flex;
  align-items: center;
  gap: 10px;
}
.auth-brand .brand-points li::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--blue-600);
  flex-shrink: 0;
}
.auth-panel {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 48px 32px;
}
.auth-box {
  width: 100%;
  max-width: 400px;
}
.auth-tabs {
  display: flex;
  gap: 0;
  border-radius: var(--radius-md);
  background: var(--surface-subtle);
  padding: 4px;
  margin-bottom: 32px;
}
.auth-tab {
  flex: 1;
  padding: 10px;
  text-align: center;
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  cursor: pointer;
  border: none;
  background: transparent;
  transition: all 0.18s;
}
.auth-tab.active {
  background: var(--surface-card);
  color: var(--text-primary);
  box-shadow: var(--shadow-sm);
}
.auth-form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 16px;
}
.auth-form-group label {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--text-secondary);
}
.auth-input {
  padding: 12px 14px;
  border: 1.5px solid var(--border-default);
  border-radius: var(--radius-md);
  font-size: var(--text-base);
  font-family: var(--font-body);
  color: var(--text-primary);
  background: var(--surface-card);
  transition: border-color 0.18s, box-shadow 0.18s;
  outline: none;
}
.auth-input:focus {
  border-color: var(--blue-600);
  box-shadow: 0 0 0 3px rgba(124,92,255,0.12);
}
.auth-error {
  background: #FEF2F2;
  border: 1px solid #FECACA;
  color: #B91C1C;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
  margin-bottom: 16px;
  display: none;
}
.auth-error.show { display: block; }
.auth-divider {
  text-align: center;
  font-size: var(--text-sm);
  color: var(--text-tertiary);
  margin: 16px 0;
}

/* ── Portal layout ──────────────────────────────────────────── */
.portal-wrap {
  min-height: 100vh;
  background: var(--surface-page);
}
.portal-nav {
  height: 64px;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  padding: 0 32px;
  gap: 24px;
  position: sticky;
  top: 0;
  z-index: 100;
}
.portal-nav-right {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 12px;
}
.portal-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--blue-600);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 700;
  font-family: var(--font-body);
  cursor: pointer;
}
.portal-main {
  max-width: 1100px;
  margin: 0 auto;
  padding: 40px 24px;
}
.portal-greeting {
  margin-bottom: 36px;
}
.portal-greeting h1 {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  color: var(--text-primary);
  margin: 0 0 6px;
}
.portal-greeting p {
  color: var(--text-secondary);
  font-size: var(--text-base);
  margin: 0;
}
.portal-section-title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  color: var(--text-primary);
  margin: 0 0 20px;
}
.portal-programs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 20px;
  margin-bottom: 48px;
}
.program-card-portal {
  background: var(--surface-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: 24px;
  cursor: pointer;
  transition: box-shadow 0.2s, transform 0.2s;
}
.program-card-portal:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}
.program-card-portal .prog-tag {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.12em;
  color: var(--text-accent);
  text-transform: uppercase;
  margin-bottom: 8px;
}
.program-card-portal h3 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  color: var(--text-primary);
  margin: 0 0 12px;
  line-height: 1.3;
}
.prog-progress-bar {
  height: 6px;
  background: var(--border-subtle);
  border-radius: 3px;
  overflow: hidden;
  margin: 12px 0 6px;
}
.prog-progress-fill {
  height: 100%;
  background: var(--blue-600);
  border-radius: 3px;
  transition: width 0.4s ease;
}
.prog-progress-label {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-secondary);
}
.cert-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 48px;
}
.cert-item {
  background: var(--surface-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 16px 20px;
  display: flex;
  align-items: center;
  gap: 16px;
}
.cert-icon {
  width: 40px;
  height: 40px;
  background: var(--surface-accent-soft);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.cert-info h4 {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--text-primary);
  margin: 0 0 2px;
}
.cert-info p {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-secondary);
  margin: 0;
}
.cert-actions { margin-left: auto; }
.empty-state {
  text-align: center;
  padding: 48px 24px;
  color: var(--text-tertiary);
}
.empty-state p { font-size: var(--text-sm); margin: 8px 0 20px; }

/* ── Course player ───────────────────────────────────────────── */
.learn-wrap {
  height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--surface-page);
  overflow: hidden;
}
.learn-nav {
  height: 56px;
  background: var(--surface-inverse);
  display: flex;
  align-items: center;
  padding: 0 24px;
  gap: 16px;
  flex-shrink: 0;
}
.learn-nav .prog-title {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--text-inverse);
}
.learn-progress-top {
  height: 3px;
  background: rgba(255,255,255,0.15);
  position: relative;
}
.learn-progress-top-fill {
  height: 100%;
  background: var(--blue-600);
  transition: width 0.4s;
}
.learn-body {
  display: flex;
  flex: 1;
  overflow: hidden;
}
.learn-sidebar {
  width: 280px;
  flex-shrink: 0;
  background: var(--surface-card);
  border-right: 1px solid var(--border-subtle);
  overflow-y: auto;
  padding: 20px 0;
}
.learn-module-title {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-tertiary);
  padding: 16px 20px 8px;
}
.learn-lesson-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 20px;
  cursor: pointer;
  font-size: var(--text-sm);
  color: var(--text-secondary);
  transition: background 0.15s;
  border-left: 2px solid transparent;
}
.learn-lesson-item:hover { background: var(--surface-subtle); }
.learn-lesson-item.active {
  background: var(--surface-accent-soft);
  color: var(--text-accent);
  border-left-color: var(--blue-600);
  font-weight: 600;
}
.learn-lesson-item.done { color: var(--text-tertiary); }
.lesson-check {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  border: 1.5px solid var(--border-default);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}
.lesson-check.checked {
  background: var(--blue-600);
  border-color: var(--blue-600);
}
.learn-content {
  flex: 1;
  overflow-y: auto;
  padding: 32px 40px;
}
.video-container {
  width: 100%;
  aspect-ratio: 16/9;
  background: #000;
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: 28px;
}
.video-container iframe {
  width: 100%;
  height: 100%;
  border: none;
}
.lesson-title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  color: var(--text-primary);
  margin: 0 0 16px;
}
.lesson-text {
  font-size: var(--text-base);
  color: var(--text-secondary);
  line-height: 1.75;
  max-width: 680px;
}
.lesson-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid var(--border-subtle);
}

/* ── Certificate ─────────────────────────────────────────────── */
.cert-page-wrap {
  min-height: 100vh;
  background: var(--surface-page);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px 24px;
}
.certificate {
  width: 800px;
  background: #fff;
  border: 2px solid var(--blue-600);
  border-radius: var(--radius-xl);
  padding: 56px 64px;
  position: relative;
  text-align: center;
}
.certificate::before {
  content: '';
  position: absolute;
  inset: 8px;
  border: 1px solid var(--blue-200);
  border-radius: calc(var(--radius-xl) - 4px);
  pointer-events: none;
}
.cert-header-label {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-accent);
  margin-bottom: 8px;
}
.cert-brand {
  font-family: var(--font-display);
  font-size: 22px;
  color: var(--text-primary);
  margin-bottom: 32px;
}
.cert-brand .dot { color: var(--blue-600); }
.cert-presented {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  margin-bottom: 12px;
}
.cert-name {
  font-family: var(--font-display);
  font-size: 40px;
  color: var(--text-primary);
  margin: 0 0 24px;
  line-height: 1.1;
}
.cert-program {
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--blue-600);
  margin-bottom: 8px;
}
.cert-subtitle {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  margin-bottom: 40px;
}
.cert-meta {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-top: 40px;
  padding-top: 32px;
  border-top: 1px solid var(--border-subtle);
}
.cert-signature { text-align: left; }
.cert-signature .sig-name {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  color: var(--text-primary);
}
.cert-signature .sig-title {
  font-size: var(--text-sm);
  color: var(--text-secondary);
}
.cert-id-block { text-align: right; }
.cert-id-block .id-label {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--text-tertiary);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 2px;
}
.cert-id-block .id-value {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--text-accent);
  font-weight: 500;
}

@media print {
  .cert-print-actions { display: none !important; }
  .cert-page-wrap { padding: 0; background: #fff; }
  .certificate { border: 2px solid #7C5CFF; box-shadow: none; }
}

/* ── Responsive ──────────────────────────────────────────────── */
@media (max-width: 768px) {
  .auth-page { grid-template-columns: 1fr; }
  .auth-brand { display: none; }
  .learn-sidebar { display: none; }
  .learn-content { padding: 20px; }
  .certificate { width: 100%; padding: 32px 24px; }
  .cert-meta { flex-direction: column; gap: 20px; text-align: center; }
}