/*
  CodideX Student Management
  Day 3 UI extensions for student records, profiles, admission, attendance, cards, and guardians.
*/

.cdx-student-metrics {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--cdx-space-4);
  margin-bottom: var(--cdx-space-5);
}

.cdx-student-toolbar {
  display: grid;
  grid-template-columns: minmax(260px, 1fr) auto;
  gap: var(--cdx-space-3);
  align-items: center;
}

.cdx-filter-set,
.cdx-inline-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--cdx-space-2);
  align-items: center;
}

.cdx-bulk-bar {
  display: none;
  align-items: center;
  justify-content: space-between;
  gap: var(--cdx-space-3);
  margin-bottom: var(--cdx-space-4);
  padding: var(--cdx-space-3) var(--cdx-space-4);
  border: 1px solid rgba(47, 128, 237, 0.22);
  border-radius: var(--cdx-radius-lg);
  background: rgba(47, 128, 237, 0.08);
}

.cdx-bulk-bar.is-active {
  display: flex;
}

.cdx-student-photo {
  width: 48px;
  height: 48px;
  overflow: hidden;
  border: 2px solid var(--cdx-surface);
  border-radius: 50%;
  background: var(--cdx-surface-muted);
  box-shadow: var(--cdx-shadow-xs);
}

.cdx-student-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.cdx-attendance-pill {
  min-width: 72px;
  display: inline-grid;
  gap: 0.25rem;
  color: var(--cdx-heading);
  font-size: var(--cdx-font-size-xs);
  font-weight: 900;
}

.cdx-attendance-pill .progress {
  height: 0.35rem;
  min-width: 72px;
}

.cdx-profile-hero {
  position: relative;
  overflow: hidden;
  padding: var(--cdx-space-6);
  border-radius: var(--cdx-radius-xl);
  background:
    linear-gradient(135deg, rgba(47, 128, 237, 0.95), rgba(32, 169, 139, 0.9)),
    var(--cdx-primary-700);
  color: var(--cdx-white);
  box-shadow: var(--cdx-shadow-md);
}

.cdx-profile-hero::after {
  position: absolute;
  right: -72px;
  bottom: -86px;
  width: 250px;
  height: 250px;
  border: 34px solid rgba(255, 255, 255, 0.12);
  border-radius: 50%;
  content: "";
}

.cdx-profile-main {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: var(--cdx-space-5);
  align-items: center;
}

.cdx-profile-photo {
  width: 116px;
  height: 116px;
  overflow: hidden;
  border: 4px solid rgba(255, 255, 255, 0.72);
  border-radius: var(--cdx-radius-xl);
  background: rgba(255, 255, 255, 0.18);
  box-shadow: 0 18px 42px rgba(15, 23, 42, 0.2);
}

.cdx-profile-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.cdx-profile-hero .cdx-title,
.cdx-profile-hero .cdx-text-muted {
  color: var(--cdx-white) !important;
}

.cdx-profile-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--cdx-space-2);
}

.cdx-profile-meta .cdx-label {
  border-color: rgba(255, 255, 255, 0.2);
  background: rgba(255, 255, 255, 0.14);
  color: var(--cdx-white);
}

.cdx-info-list {
  display: grid;
  gap: var(--cdx-space-3);
}

.cdx-info-row {
  display: flex;
  justify-content: space-between;
  gap: var(--cdx-space-4);
  padding-bottom: var(--cdx-space-3);
  border-bottom: 1px solid var(--cdx-border);
}

.cdx-info-row:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.cdx-info-row span {
  color: var(--cdx-text-muted);
  font-size: var(--cdx-font-size-sm);
  font-weight: 750;
}

.cdx-info-row strong {
  color: var(--cdx-heading);
  text-align: right;
}

.cdx-timeline {
  position: relative;
  display: grid;
  gap: var(--cdx-space-4);
}

.cdx-timeline-item {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: var(--cdx-space-3);
  align-items: start;
}

.cdx-timeline-icon {
  display: inline-flex;
  width: 34px;
  height: 34px;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--cdx-primary-50);
  color: var(--cdx-primary-600);
}

.cdx-form-section {
  padding: var(--cdx-space-5);
  border: 1px solid var(--cdx-border);
  border-radius: var(--cdx-radius-lg);
  background: var(--cdx-surface);
}

.cdx-form-section + .cdx-form-section {
  margin-top: var(--cdx-space-4);
}

.cdx-form-section-title {
  display: flex;
  align-items: center;
  gap: var(--cdx-space-3);
  margin-bottom: var(--cdx-space-4);
  color: var(--cdx-heading);
  font-family: var(--cdx-font-display);
  font-size: var(--cdx-font-size-lg);
  font-weight: 850;
}

.cdx-upload-zone {
  display: grid;
  min-height: 140px;
  place-items: center;
  padding: var(--cdx-space-5);
  border: 1px dashed var(--cdx-border-strong);
  border-radius: var(--cdx-radius-lg);
  background: var(--cdx-surface-soft);
  color: var(--cdx-text-muted);
  text-align: center;
  transition: border-color var(--cdx-transition-fast), background var(--cdx-transition-fast);
}

.cdx-upload-zone:hover {
  border-color: var(--cdx-primary-400);
  background: rgba(47, 128, 237, 0.06);
}

.cdx-attendance-calendar {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: var(--cdx-space-2);
}

.cdx-calendar-cell {
  min-height: 76px;
  display: grid;
  align-content: space-between;
  padding: var(--cdx-space-3);
  border: 1px solid var(--cdx-border);
  border-radius: var(--cdx-radius-md);
  background: var(--cdx-surface);
  color: var(--cdx-heading);
  font-weight: 850;
}

.cdx-calendar-cell span {
  color: var(--cdx-text-muted);
  font-size: var(--cdx-font-size-xs);
  font-weight: 800;
}

.cdx-calendar-cell.is-present {
  border-color: rgba(22, 163, 74, 0.28);
  background: rgba(22, 163, 74, 0.08);
}

.cdx-calendar-cell.is-absent {
  border-color: rgba(220, 38, 38, 0.28);
  background: rgba(220, 38, 38, 0.08);
}

.cdx-calendar-cell.is-late {
  border-color: rgba(245, 158, 11, 0.32);
  background: rgba(245, 158, 11, 0.1);
}

.cdx-card-studio {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--cdx-space-5);
  align-items: start;
}

.cdx-id-card {
  position: relative;
  overflow: hidden;
  width: 100%;
  max-width: 360px;
  min-height: 560px;
  margin-inline: auto;
  border: 1px solid var(--cdx-border);
  border-radius: var(--cdx-radius-xl);
  background: var(--cdx-surface);
  color: var(--cdx-heading);
  box-shadow: var(--cdx-shadow-md);
}

.cdx-id-card.is-landscape {
  max-width: 560px;
  min-height: 352px;
}

.cdx-id-card-band {
  min-height: 138px;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  padding: var(--cdx-space-5);
  background: linear-gradient(135deg, var(--cdx-primary-700), var(--cdx-primary-500), var(--cdx-secondary-500));
  color: var(--cdx-white);
}

.cdx-school-mark {
  display: inline-flex;
  width: 52px;
  height: 52px;
  align-items: center;
  justify-content: center;
  border-radius: var(--cdx-radius-lg);
  background: rgba(255, 255, 255, 0.18);
  color: var(--cdx-white);
  font-weight: 900;
}

.cdx-card-photo {
  width: 112px;
  height: 132px;
  overflow: hidden;
  margin: -54px auto var(--cdx-space-4);
  border: 4px solid var(--cdx-white);
  border-radius: var(--cdx-radius-lg);
  background: var(--cdx-surface-muted);
  box-shadow: var(--cdx-shadow-sm);
}

.cdx-card-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.cdx-card-details {
  padding: 0 var(--cdx-space-5) var(--cdx-space-5);
  text-align: center;
}

.cdx-card-detail-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--cdx-space-2);
  margin-top: var(--cdx-space-4);
  text-align: left;
}

.cdx-card-detail-grid span,
.cdx-card-back span {
  color: var(--cdx-text-muted);
  font-size: var(--cdx-font-size-xs);
  font-weight: 850;
  text-transform: uppercase;
}

.cdx-code-placeholder,
.cdx-qr-placeholder {
  display: grid;
  place-items: center;
  border: 1px solid var(--cdx-border-strong);
  border-radius: var(--cdx-radius-md);
  background:
    repeating-linear-gradient(90deg, var(--cdx-heading) 0 3px, transparent 3px 8px),
    var(--cdx-white);
  color: var(--cdx-white);
  font-size: 0;
}

.cdx-code-placeholder {
  height: 54px;
}

.cdx-qr-placeholder {
  width: 88px;
  height: 88px;
  margin-inline: auto;
  background:
    linear-gradient(90deg, #111827 10px, transparent 10px),
    linear-gradient(#111827 10px, transparent 10px),
    repeating-linear-gradient(45deg, #111827 0 4px, #ffffff 4px 8px);
}

.cdx-card-back {
  display: grid;
  gap: var(--cdx-space-4);
  padding: var(--cdx-space-5);
}

.cdx-rfid-card {
  position: relative;
  overflow: hidden;
  min-height: 340px;
  padding: var(--cdx-space-6);
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: var(--cdx-radius-xl);
  background:
    linear-gradient(135deg, rgba(15, 23, 42, 0.96), rgba(26, 80, 175, 0.94) 54%, rgba(32, 169, 139, 0.9)),
    var(--cdx-primary-700);
  color: var(--cdx-white);
  box-shadow: var(--cdx-shadow-lg);
}

.cdx-rfid-card.is-light {
  border-color: var(--cdx-border);
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.96), rgba(238, 246, 255, 0.96)),
    var(--cdx-white);
  color: var(--cdx-heading);
}

.cdx-rfid-chip {
  width: 74px;
  height: 58px;
  border: 2px solid currentColor;
  border-radius: var(--cdx-radius-md);
  opacity: 0.72;
}

.cdx-rfid-lines {
  position: absolute;
  right: var(--cdx-space-6);
  bottom: var(--cdx-space-6);
  display: grid;
  gap: 0.45rem;
}

.cdx-rfid-lines span {
  width: 96px;
  height: 3px;
  border-radius: var(--cdx-radius-pill);
  background: currentColor;
  opacity: 0.42;
}

.cdx-guardian-card {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: var(--cdx-space-4);
  align-items: start;
}

.cdx-guardian-avatar {
  width: 72px;
  height: 72px;
  overflow: hidden;
  border-radius: var(--cdx-radius-lg);
  background: var(--cdx-surface-muted);
}

.cdx-guardian-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

[data-theme="dark"] .cdx-timeline-icon {
  background: rgba(47, 128, 237, 0.16);
  color: var(--cdx-primary-300);
}

[data-theme="dark"] .cdx-code-placeholder,
[data-theme="dark"] .cdx-qr-placeholder {
  border-color: #cbd5e1;
}

@media (max-width: 1199.98px) {
  .cdx-student-metrics {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .cdx-card-studio {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 767.98px) {
  .cdx-student-toolbar,
  .cdx-profile-main {
    grid-template-columns: 1fr;
  }

  .cdx-profile-actions {
    justify-self: start;
  }

  .cdx-bulk-bar {
    align-items: stretch;
    flex-direction: column;
  }

  .cdx-student-metrics,
  .cdx-card-detail-grid {
    grid-template-columns: 1fr;
  }

  .cdx-calendar-cell {
    min-height: 58px;
    padding: var(--cdx-space-2);
  }

  .cdx-id-card,
  .cdx-id-card.is-landscape {
    max-width: 100%;
    min-height: auto;
  }

  .cdx-guardian-card {
    grid-template-columns: 1fr;
  }
}