/* ============================================================
   CMC Faculty Grading System — App Styles
   Requires: ../Carmen Municipal College Design System/colors_and_type.css
   ============================================================ */

/* ---------- Reset & Base ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

/* Ensure the HTML `hidden` attribute always wins over `display: flex` etc. */
[hidden] { display: none !important; }

html { font-size: 16px; }

body {
  font-family: var(--font-body);
  background: var(--paper);
  color: var(--fg1);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ---------- App Header ---------- */
.app-header {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  gap: var(--sp-4);
  padding: 0 var(--sp-8);
  height: 56px;
  background: var(--cmc-navy);
  box-shadow: 0 2px 8px rgba(9, 30, 75, 0.3);
}

.app-header .header-seal {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
}

.app-header .header-title {
  font-family: var(--font-body);
  font-weight: 700;
  font-size: var(--fs-16);
  color: var(--fg-on-navy);
  letter-spacing: 0.02em;
  flex: 1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  min-width: 0;
}

.app-header .header-nav {
  display: flex;
  align-items: center;
  gap: var(--sp-4);
  margin-left: auto;
}

.app-header .user-display {
  font-size: var(--fs-13);
  color: rgba(255, 255, 255, 0.7);
  max-width: 200px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Override .btn-ghost so it's visible on the navy header background */
.app-header .btn-ghost {
  color: #fff;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.25);
}
.app-header .btn-ghost:hover {
  background: rgba(255, 255, 255, 0.18);
  color: #fff;
}

/* Hamburger button (mobile only — visibility controlled by JS) */
.hamburger-btn {
  color: #fff;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: var(--r-md);
  flex-shrink: 0;
  padding: 8px 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}
.hamburger-btn:hover { background: rgba(255, 255, 255, 0.18); }

/* Mobile nav dropdown */
.nav-dropdown {
  position: fixed;
  top: 56px;
  right: 0;
  left: 0;
  background: var(--cmc-navy);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 4px 16px rgba(9, 30, 75, 0.35);
  z-index: 150;
}
.nav-dropdown-user {
  padding: var(--sp-4) var(--sp-5);
  font-size: var(--fs-14);
  color: rgba(255, 255, 255, 0.6);
  font-weight: 600;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.nav-dropdown-item {
  display: block;
  width: 100%;
  padding: var(--sp-4) var(--sp-5);
  font-family: var(--font-body);
  font-size: var(--fs-14);
  font-weight: 600;
  color: #fff;
  background: transparent;
  border: none;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  text-align: left;
  cursor: pointer;
  transition: background var(--t-default) var(--ease);
}
.nav-dropdown-item:last-child { border-bottom: none; }
.nav-dropdown-item:hover { background: rgba(255, 255, 255, 0.1); }
.nav-dropdown-item--danger { color: #ff9999; }
.nav-dropdown-item--danger:hover { background: rgba(200, 37, 44, 0.2); }

/* ---------- Page Layout ---------- */
.page-main {
  flex: 1;
  padding: var(--sp-8);
  max-width: 1200px;
  width: 100%;
  margin: 0 auto;
}

.page-header {
  margin-bottom: var(--sp-6);
}

.page-header h1 {
  font-family: var(--font-display);
  font-size: var(--fs-28);
  color: var(--cmc-navy);
  font-weight: 700;
}

.page-header p {
  font-size: var(--fs-14);
  color: var(--fg2);
  margin-top: var(--sp-1);
}

.breadcrumb {
  font-size: var(--fs-13);
  color: var(--fg3);
  margin-bottom: var(--sp-3);
  display: flex;
  align-items: center;
  gap: var(--sp-2);
}

.breadcrumb a {
  color: var(--cmc-navy);
  text-decoration: none;
}
.breadcrumb a:hover { text-decoration: underline; }
.breadcrumb-sep { color: var(--fg3); }

/* ---------- Login Page ---------- */
.login-page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: var(--parchment);
  padding: var(--sp-8);
}

.login-card {
  background: #fff;
  border-radius: var(--r-xl);
  box-shadow: var(--sh-3);
  padding: var(--sp-12) var(--sp-10);
  width: 100%;
  max-width: 400px;
  text-align: center;
}

.login-seal {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  object-fit: cover;
  margin-bottom: var(--sp-5);
}

.login-title {
  font-family: var(--font-display);
  font-size: var(--fs-22);
  font-weight: 700;
  color: var(--cmc-navy);
  margin-bottom: var(--sp-2);
}

.login-subtitle {
  font-size: var(--fs-14);
  color: var(--fg2);
  margin-bottom: var(--sp-8);
  line-height: 1.5;
}

.login-divider {
  border: none;
  border-top: 1px solid var(--hairline);
  margin: var(--sp-6) 0;
}

.login-note {
  font-size: var(--fs-12);
  color: var(--fg3);
  margin-top: var(--sp-4);
  line-height: 1.5;
}

.btn-google {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-3);
  width: 100%;
  padding: var(--sp-3) var(--sp-6);
  border: 2px solid var(--hairline);
  border-radius: var(--r-md);
  background: #fff;
  font-family: var(--font-body);
  font-size: var(--fs-15);
  font-weight: 600;
  color: var(--fg1);
  cursor: pointer;
  transition: border-color var(--t-default) var(--ease),
              box-shadow var(--t-default) var(--ease);
}
.btn-google:hover {
  border-color: var(--cmc-navy);
  box-shadow: 0 2px 8px rgba(9, 30, 75, 0.12);
}
.btn-google svg { flex-shrink: 0; }

/* ---------- Section Cards (Faculty Dashboard) ---------- */
.section-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--sp-5);
}

.section-card {
  background: #fff;
  border: 1px solid var(--hairline);
  border-radius: var(--r-lg);
  padding: var(--sp-5) var(--sp-6);
  box-shadow: var(--sh-1);
  transition: box-shadow var(--t-default) var(--ease),
              transform var(--t-default) var(--ease);
  cursor: pointer;
  text-decoration: none;
  display: block;
  color: inherit;
}
.section-card:hover {
  box-shadow: var(--sh-2);
  transform: translateY(-2px);
}

.section-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: var(--sp-3);
}

.section-card-code {
  font-family: var(--font-display);
  font-size: var(--fs-20);
  font-weight: 700;
  color: var(--cmc-navy);
}

.section-card-meta {
  font-size: var(--fs-13);
  color: var(--fg2);
  display: flex;
  flex-direction: column;
  gap: var(--sp-1);
}

.section-card-course {
  font-size: var(--fs-14);
  font-weight: 600;
  color: var(--fg1);
  margin-bottom: var(--sp-2);
}

.section-card-footer {
  margin-top: var(--sp-4);
  padding-top: var(--sp-3);
  border-top: 1px solid var(--parchment);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.empty-state {
  text-align: center;
  padding: var(--sp-20) var(--sp-8);
  color: var(--fg3);
}

.empty-state h2 {
  font-size: var(--fs-18);
  margin-bottom: var(--sp-2);
  color: var(--fg2);
}

/* ---------- Grade Tools Toolbar ---------- */
.grade-tools {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  margin-bottom: var(--sp-4);
  flex-wrap: wrap;
}

/* ---------- Grade Table ---------- */
.grade-edit-guide {
  margin-bottom: var(--sp-3);
  color: var(--fg3);
  font-size: var(--fs-13);
}

.table-wrapper {
  border: 1px solid var(--hairline);
  border-radius: var(--r-lg);
  overflow: hidden;
  box-shadow: var(--sh-1);
  background: #fff;
}

.grade-table {
  width: 100%;
  border-collapse: collapse;
}

.grade-table th {
  background: var(--cmc-navy);
  color: var(--fg-on-navy);
  font-family: var(--font-body);
  font-size: var(--fs-12);
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: var(--sp-3) var(--sp-4);
  text-align: left;
  border-bottom: 2px solid var(--cmc-gold);
  white-space: nowrap;
}

.grade-table td {
  padding: var(--sp-3) var(--sp-4);
  border-bottom: 1px solid var(--parchment);
  font-size: var(--fs-14);
  color: var(--fg2);
  vertical-align: middle;
}

.grade-table tbody tr:last-child td {
  border-bottom: none;
}

.grade-table tbody tr:hover td {
  background: var(--cmc-navy-50);
}

/* Editable column headers */
.col-header {
  cursor: pointer;
  user-select: none;
  position: relative;
  padding-bottom: var(--sp-4) !important;
}

.col-header:not(.editing-disabled):hover {
  background: var(--cmc-navy-700);
}

.col-header .col-hint {
  display: block;
  font-size: 10px;
  font-weight: 400;
  letter-spacing: 0;
  text-transform: none;
  color: var(--cmc-gold);
  opacity: 0.7;
  margin-top: 2px;
  transition: opacity var(--t-default) var(--ease);
}

.col-header:not(.editing-disabled):hover .col-hint {
  opacity: 1;
}

.col-header.col-active {
  border-bottom: 3px solid var(--cmc-gold) !important;
}

.col-header.editing-disabled {
  cursor: default;
  opacity: 0.5;
}

/* Grade cells */
.grade-cell {
  text-align: center;
  min-width: 120px;
}

.grade-value {
  display: inline-block;
  min-width: 40px;
  text-align: center;
  font-weight: 600;
  color: var(--cmc-navy);
}

.grade-value.grade-code {
  font-size: var(--fs-12);
  color: var(--cmc-gold-700);
  font-weight: 700;
  letter-spacing: 0.04em;
}

.grade-value.grade-empty {
  color: var(--fg3);
  font-weight: 400;
  font-style: italic;
}

/* Grade inputs */
.grade-input {
  width: 80px;
  padding: var(--sp-2) var(--sp-2);
  font-family: var(--font-body);
  font-size: var(--fs-14);
  font-weight: 600;
  text-align: center;
  border: 1.5px solid var(--hairline);
  border-radius: var(--r-sm);
  background: #fff;
  color: var(--cmc-navy);
  transition: border-color var(--t-micro) var(--ease),
              box-shadow var(--t-micro) var(--ease);
}

.grade-input:focus {
  border-color: var(--cmc-navy);
  outline: none;
  box-shadow: 0 0 0 3px rgba(9, 30, 75, 0.12);
}

.grade-input.input-error {
  border-color: var(--cmc-red);
  background: var(--cmc-red-100);
}

.grade-input.input-error:focus {
  box-shadow: 0 0 0 3px rgba(200, 37, 44, 0.15);
}

/* Action bar (sticky bottom during edit) */
.action-bar {
  position: sticky;
  bottom: 0;
  background: #fff;
  border-top: 2px solid var(--cmc-gold);
  padding: var(--sp-3) var(--sp-6);
  display: flex;
  align-items: center;
  gap: var(--sp-4);
  box-shadow: 0 -4px 16px rgba(9, 30, 75, 0.12);
  z-index: 50;
  border-radius: 0 0 var(--r-lg) var(--r-lg);
}

.action-bar-info {
  flex: 1;
  font-size: var(--fs-13);
  color: var(--fg2);
}

.action-bar-info strong {
  color: var(--cmc-navy);
}

.error-summary {
  background: var(--cmc-red-100);
  border: 1px solid var(--cmc-red);
  border-radius: var(--r-md);
  padding: var(--sp-3) var(--sp-4);
  margin-bottom: var(--sp-3);
  font-size: var(--fs-13);
  color: var(--cmc-red);
  display: flex;
  align-items: flex-start;
  gap: var(--sp-2);
}

/* ---------- Tab Navigation (Admin) ---------- */
.tab-nav {
  display: flex;
  border-bottom: 2px solid var(--hairline);
  background: #fff;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}
.tab-nav::-webkit-scrollbar { display: none; }

.tab-btn {
  flex-shrink: 0;
  padding: var(--sp-3) var(--sp-6);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: var(--fs-14);
  color: var(--fg2);
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  cursor: pointer;
  transition: color var(--t-default) var(--ease),
              border-color var(--t-default) var(--ease);
  white-space: nowrap;
}

.tab-btn:hover { color: var(--cmc-navy); }

.tab-btn.active {
  color: var(--cmc-navy);
  border-bottom-color: var(--cmc-gold);
}

.tab-panels { margin-top: var(--sp-6); }

.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* ---------- Admin Content Area ---------- */
.admin-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--sp-5);
  gap: var(--sp-4);
  flex-wrap: wrap;
}

.admin-toolbar h2 {
  font-family: var(--font-display);
  font-size: var(--fs-20);
  color: var(--cmc-navy);
  font-weight: 700;
}

/* Data table (admin lists) */
.data-table-wrapper {
  border: 1px solid var(--hairline);
  border-radius: var(--r-lg);
  overflow-x: auto;
  overflow-y: hidden;
  box-shadow: var(--sh-1);
  background: #fff;
  -webkit-overflow-scrolling: touch;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
}

.data-table th {
  background: var(--cmc-navy-50);
  color: var(--cmc-navy);
  font-size: var(--fs-12);
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: var(--sp-3) var(--sp-4);
  text-align: left;
  border-bottom: 1px solid var(--hairline);
  white-space: nowrap;
}

.data-table td {
  padding: var(--sp-3) var(--sp-4);
  border-bottom: 1px solid var(--parchment);
  font-size: var(--fs-14);
  color: var(--fg2);
  vertical-align: middle;
}

.data-table tbody tr:last-child td { border-bottom: none; }
.data-table tbody tr:hover td { background: var(--cmc-navy-50); }

/* Action buttons in table rows */
.row-actions {
  display: flex;
  gap: var(--sp-2);
  justify-content: flex-end;
}

/* ---------- Modal ---------- */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(9, 30, 75, 0.45);
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--sp-6);
  animation: fadeIn var(--t-overlay) var(--ease);
}

@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

.modal {
  background: #fff;
  border-radius: var(--r-xl);
  box-shadow: var(--sh-3);
  width: 100%;
  max-width: 480px;
  max-height: 90vh;
  overflow-y: auto;
  animation: slideUp var(--t-overlay) var(--ease);
}

@keyframes slideUp {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--sp-5) var(--sp-6);
  border-bottom: 1px solid var(--hairline);
}

.modal-header h3 {
  font-family: var(--font-display);
  font-size: var(--fs-18);
  font-weight: 700;
  color: var(--cmc-navy);
}

.modal-close {
  background: none;
  border: none;
  font-size: 20px;
  color: var(--fg3);
  cursor: pointer;
  padding: var(--sp-1);
  border-radius: var(--r-sm);
  line-height: 1;
}
.modal-close:hover { color: var(--fg1); background: var(--parchment); }

.modal-body {
  padding: var(--sp-5) var(--sp-6);
  display: flex;
  flex-direction: column;
  gap: var(--sp-4);
}

.modal-footer {
  padding: var(--sp-4) var(--sp-6);
  border-top: 1px solid var(--hairline);
  display: flex;
  justify-content: flex-end;
  gap: var(--sp-3);
}

/* ---------- Duplicate Wizard ---------- */
.dup-card {
  transition: box-shadow 0.15s;
}
.dup-card:hover {
  box-shadow: var(--sh-2);
}
.dup-card--suggested {
  background: color-mix(in srgb, var(--cmc-green, #28a745) 6%, transparent);
}

/* ---------- Form Fields ---------- */
.field {
  display: flex;
  flex-direction: column;
  gap: var(--sp-1);
}

.field label {
  font-size: var(--fs-13);
  font-weight: 600;
  color: var(--fg1);
}

.field .field-hint {
  font-size: var(--fs-12);
  color: var(--fg3);
}

/* ---------- Searchable Combobox ---------- */
.combo-wrap { position: relative; }

.combo-dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  z-index: 300;
  background: #fff;
  border: 1px solid var(--hairline);
  border-top: none;
  border-radius: 0 0 var(--r-md) var(--r-md);
  max-height: 220px;
  overflow-y: auto;
  box-shadow: var(--sh-2);
}

.combo-option {
  display: block;
  width: 100%;
  text-align: left;
  padding: var(--sp-2) var(--sp-3);
  border: none;
  border-bottom: 1px solid var(--parchment);
  background: transparent;
  cursor: pointer;
  font-size: var(--fs-14);
  font-family: var(--font-body);
  color: var(--fg1);
}
.combo-option:last-child { border-bottom: none; }
.combo-option:hover { background: var(--cmc-navy-50); color: var(--cmc-navy); }

/* ---------- Checkbox Check-list ---------- */
.check-list {
  max-height: 180px;
  overflow-y: auto;
  border: 1px solid var(--hairline);
  border-radius: var(--r-md);
  background: #fff;
}

.check-list-item {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  padding: var(--sp-2) var(--sp-3);
  border-bottom: 1px solid var(--parchment);
  font-size: var(--fs-14);
  color: var(--fg1);
  cursor: pointer;
  user-select: none;
}
.check-list-item:last-child { border-bottom: none; }
.check-list-item:hover { background: var(--cmc-navy-50); }
.check-list-item input[type="checkbox"] { flex-shrink: 0; cursor: pointer; accent-color: var(--cmc-navy); }

/* ---------- Upload Area ---------- */
.upload-zone {
  border: 2px dashed var(--hairline);
  border-radius: var(--r-lg);
  padding: var(--sp-10) var(--sp-8);
  text-align: center;
  cursor: pointer;
  transition: border-color var(--t-default) var(--ease),
              background var(--t-default) var(--ease);
}

.upload-zone:hover,
.upload-zone.drag-over {
  border-color: var(--cmc-navy);
  background: var(--cmc-navy-50);
}

.upload-zone-icon {
  font-size: 40px;
  margin-bottom: var(--sp-3);
}

.upload-zone p {
  font-size: var(--fs-14);
  color: var(--fg2);
}

.upload-zone strong { color: var(--cmc-navy); }

/* ---------- Preview Table ---------- */
.preview-wrapper {
  margin-top: var(--sp-5);
  border: 1px solid var(--cmc-gold);
  border-radius: var(--r-lg);
  overflow: hidden;
}

.preview-header {
  background: var(--cmc-gold-50);
  padding: var(--sp-3) var(--sp-4);
  font-size: var(--fs-13);
  font-weight: 600;
  color: var(--cmc-navy);
  border-bottom: 1px solid var(--cmc-gold);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* ---------- Toast Notifications ---------- */
#toast-container {
  position: fixed;
  bottom: var(--sp-6);
  right: var(--sp-6);
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
  z-index: 9999;
  pointer-events: none;
}

.toast {
  padding: var(--sp-3) var(--sp-5);
  border-radius: var(--r-md);
  font-family: var(--font-body);
  font-size: var(--fs-14);
  font-weight: 600;
  box-shadow: var(--sh-2);
  opacity: 0;
  transform: translateY(8px);
  transition: opacity var(--t-default) var(--ease),
              transform var(--t-default) var(--ease);
  max-width: 360px;
  line-height: 1.4;
  pointer-events: auto;
}

.toast.toast-visible {
  opacity: 1;
  transform: translateY(0);
}

.toast-success { background: var(--cmc-green);  color: #fff; }
.toast-error   { background: var(--cmc-red);    color: #fff; }
.toast-info    { background: var(--cmc-navy);   color: #fff; }
.toast-warning { background: var(--cmc-gold-700); color: #fff; }

/* ---------- Spinner Overlay ---------- */
#spinner-overlay {
  position: fixed;
  inset: 0;
  background: rgba(9, 30, 75, 0.35);
  z-index: 9000;
  display: flex;
  align-items: center;
  justify-content: center;
}

#spinner-overlay[hidden] { display: none; }

.spinner-box {
  background: #fff;
  border-radius: var(--r-lg);
  padding: var(--sp-6) var(--sp-8);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--sp-3);
  box-shadow: var(--sh-3);
}

.spinner-icon {
  width: 40px;
  height: 40px;
  animation: spin 0.9s linear infinite;
}

.spinner-label {
  font-size: var(--fs-14);
  color: var(--fg2);
  font-weight: 600;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* ---------- Badges ---------- */
.badge {
  display: inline-block;
  padding: 2px var(--sp-2);
  border-radius: var(--r-pill);
  font-size: var(--fs-11);
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.badge-admin     { background: var(--cmc-navy-100); color: var(--cmc-navy); }
.badge-faculty   { background: var(--cmc-gold-100); color: var(--cmc-gold-700); }
.badge-registrar { background: #d1fae5; color: #065f46; }

/* ---------- Utilities ---------- */
.text-muted  { color: var(--fg3); }
.text-sm     { font-size: var(--fs-13); }
.text-center { text-align: center; }
.fw-bold     { font-weight: 700; }
.mt-4        { margin-top: var(--sp-4); }
.mt-6        { margin-top: var(--sp-6); }

/* ---------- Responsive ---------- */
@media (max-width: 640px) {
  /* ── Layout ── */
  .page-main { padding: var(--sp-4); }
  .app-header { padding: 0 var(--sp-4); }
  .app-header .header-title { font-size: var(--fs-14); }
  .app-header .user-display { display: none; }
  .section-grid { grid-template-columns: 1fr; }
  .action-bar { flex-wrap: wrap; }
  .admin-toolbar { flex-direction: column; align-items: flex-start; }
  .grade-table th, .grade-table td { padding: var(--sp-2) var(--sp-3); }
  .grade-input { width: 65px; }
  #toast-container { left: var(--sp-4); right: var(--sp-4); }

  /* ── Card-style data table ── */
  .data-table-wrapper {
    border: none;
    box-shadow: none;
    background: transparent;
    overflow: visible;
  }
  .data-table,
  .data-table tbody { display: block; width: 100%; }
  .data-table thead { display: none; }
  .data-table tbody tr {
    display: block;
    background: #fff;
    border: 1px solid var(--hairline);
    border-radius: var(--r-lg);
    margin-bottom: var(--sp-3);
    box-shadow: var(--sh-1);
    overflow: hidden;
  }
  .data-table tbody tr:last-child { margin-bottom: 0; }
  .data-table tbody tr:hover td { background: transparent; }
  .data-table tbody td {
    display: flex;
    align-items: baseline;
    gap: var(--sp-3);
    padding: var(--sp-3) var(--sp-4);
    border-bottom: 1px solid var(--parchment);
    font-size: var(--fs-14);
  }
  .data-table tbody td:last-child { border-bottom: none; }
  .data-table tbody td[data-label]::before {
    content: attr(data-label);
    font-size: var(--fs-12);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--cmc-navy);
    white-space: nowrap;
    min-width: 80px;
    flex-shrink: 0;
  }
  .data-table tbody td:not([data-label]) { justify-content: flex-end; }
}

/* ============================================================
   Grade Submission Status Tab
   ============================================================ */

.gsub-card {
  background: #fff;
  border: 1px solid var(--hairline);
  border-radius: var(--r-lg);
  box-shadow: var(--sh-1);
  overflow: hidden;
}

.gsub-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-3);
  padding: var(--sp-4) var(--sp-5);
  border-bottom: 1px solid var(--hairline);
  background: var(--cmc-navy-50);
}

.gsub-card-header h3 {
  font-family: var(--font-display);
  font-size: var(--fs-16);
  font-weight: 700;
  color: var(--cmc-navy);
}

.gsub-badge {
  display: inline-flex;
  align-items: center;
  padding: 2px var(--sp-3);
  border-radius: var(--r-pill);
  font-size: var(--fs-12);
  font-weight: 700;
  letter-spacing: 0.03em;
  white-space: nowrap;
}

.gsub-badge-ok   { background: var(--cmc-green-100); color: var(--cmc-green); }
.gsub-badge-warn { background: var(--cmc-gold-100);  color: var(--cmc-gold-700); }
.gsub-badge-neutral { background: var(--cmc-navy-100); color: var(--fg2); }

.gsub-all-done {
  padding: var(--sp-5) var(--sp-6);
  color: var(--cmc-green);
  font-weight: 600;
  font-size: var(--fs-14);
}

.gsub-progress-wrap {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
}

.gsub-progress-bar {
  flex: 1;
  min-width: 60px;
  height: 6px;
  background: var(--cmc-navy-100);
  border-radius: var(--r-pill);
  overflow: hidden;
}

.gsub-progress-fill {
  height: 100%;
  background: var(--cmc-navy);
  border-radius: var(--r-pill);
  transition: width 0.3s ease;
}

/* Rank badges: gold / silver / bronze for top 3, default for rest */
.gsub-rank,
.dl-rank {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  font-size: var(--fs-12);
  font-weight: 700;
}

.gsub-rank.rank-1, .dl-rank.rank-1 { background: var(--cmc-gold);     color: var(--cmc-navy); }
.gsub-rank.rank-2, .dl-rank.rank-2 { background: #b0bec5;              color: #37474f; }
.gsub-rank.rank-3, .dl-rank.rank-3 { background: #cd7f32;              color: #fff; }
.gsub-rank,        .dl-rank        { background: var(--cmc-navy-100);  color: var(--cmc-navy); }
/* Re-apply specific ranks after generic rule */
.gsub-rank.rank-1, .dl-rank.rank-1 { background: var(--cmc-gold);     color: var(--cmc-navy); }
.gsub-rank.rank-2, .dl-rank.rank-2 { background: #b0bec5;              color: #37474f; }
.gsub-rank.rank-3, .dl-rank.rank-3 { background: #cd7f32;              color: #fff; }

/* ============================================================
   Dean's List Tab
   ============================================================ */

.dl-threshold-bar {
  margin-top: var(--sp-1);
}

.dl-year-card {
  background: #fff;
  border: 1px solid var(--hairline);
  border-radius: var(--r-lg);
  box-shadow: var(--sh-1);
  overflow: hidden;
}

.dl-year-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-3);
  padding: var(--sp-4) var(--sp-5);
  border-bottom: 1px solid var(--hairline);
  background: var(--cmc-navy);
}

.dl-year-header h3 {
  font-family: var(--font-display);
  font-size: var(--fs-16);
  font-weight: 700;
  color: #fff;
}

.dl-count-badge {
  display: inline-flex;
  align-items: center;
  padding: 2px var(--sp-3);
  border-radius: var(--r-pill);
  font-size: var(--fs-12);
  font-weight: 700;
  background: rgba(255,255,255,0.18);
  color: #fff;
}

.dl-gwa-badge {
  display: inline-block;
  padding: 2px var(--sp-3);
  border-radius: var(--r-pill);
  font-size: var(--fs-13);
  font-weight: 700;
  background: var(--cmc-navy-50);
  color: var(--cmc-navy);
  font-variant-numeric: tabular-nums;
}

.dl-gwa-muted {
  background: var(--parchment);
  color: var(--fg3);
}

.dl-row-hidden td { opacity: 0.5; }

/* ============================================================
   Admin Shell — Sidebar + Topbar layout
   Scoped to .admin-body / .admin-layout so faculty & registrar
   pages keep their existing .app-header + .tab-nav styles.
   ============================================================ */

/* Override body flex for admin layout */
.admin-body {
  display: block;
  background: var(--parchment);
}

/* ── Grid shell ────────────────────────────────────────────── */
.admin-layout {
  display: grid;
  grid-template-columns: 248px 1fr;
  min-height: 100vh;
}

/* ── Sidebar ───────────────────────────────────────────────── */
.admin-sidebar {
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
  overflow-x: hidden;
  background: var(--cmc-navy);
  border-right: 3px solid var(--cmc-gold);
  display: flex;
  flex-direction: column;
  scrollbar-width: thin;
  scrollbar-color: rgba(220,173,59,0.3) transparent;
  z-index: 10;
}

.admin-sidebar::-webkit-scrollbar { width: 4px; }
.admin-sidebar::-webkit-scrollbar-thumb {
  background: rgba(220,173,59,0.3);
  border-radius: 2px;
}

/* Brand */
.sidebar-brand {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  padding: var(--sp-5) var(--sp-5) var(--sp-4);
  border-bottom: 1px solid rgba(255,255,255,0.08);
  flex-shrink: 0;
}

.sidebar-seal {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
  box-shadow: 0 0 0 2px rgba(220,173,59,0.5), 0 0 0 4px rgba(220,173,59,0.15);
}

.sidebar-brand-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.sidebar-title {
  font-family: var(--font-display);
  font-size: var(--fs-16);
  font-weight: 700;
  color: #fff;
  line-height: 1.2;
  white-space: nowrap;
}

.sidebar-subtitle {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--cmc-gold);
}

/* Nav area */
.sidebar-nav {
  flex: 1;
  padding: var(--sp-4) var(--sp-3) var(--sp-3);
}

.nav-group {
  margin-bottom: var(--sp-3);
}

.nav-group-label {
  display: block;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.35);
  padding: var(--sp-2) var(--sp-3) var(--sp-1);
}

.nav-item {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  padding: 9px var(--sp-3);
  border-radius: var(--r-md);
  color: rgba(255,255,255,0.72);
  text-decoration: none;
  font-size: var(--fs-14);
  font-weight: 500;
  cursor: pointer;
  background: transparent;
  width: 100%;
  text-align: left;
  min-height: 40px;
  transition:
    background var(--t-fast) var(--ease),
    color      var(--t-fast) var(--ease),
    box-shadow var(--t-fast) var(--ease);
  white-space: nowrap;
}

.nav-item svg {
  flex-shrink: 0;
  transition: opacity var(--t-fast) var(--ease);
}

.nav-item:hover {
  background: rgba(255,255,255,0.07);
  color: rgba(255,255,255,0.95);
}

.nav-item.active {
  background: rgba(220,173,59,0.14);
  color: var(--cmc-gold);
  font-weight: 600;
  box-shadow: inset 3px 0 0 var(--cmc-gold);
}

.nav-item.active svg,
.nav-item:hover  svg { opacity: 1; }

/* Sidebar footer */
.sidebar-footer {
  flex-shrink: 0;
  padding: var(--sp-4) var(--sp-5);
  border-top: 1px solid rgba(255,255,255,0.08);
  background: rgba(0,0,0,0.12);
}

.sidebar-user-info {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  margin-bottom: var(--sp-3);
  min-width: 0;
}

.sidebar-user-avatar {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: rgba(220,173,59,0.18);
  border: 1px solid rgba(220,173,59,0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--cmc-gold);
}

.sidebar-user-name {
  font-size: var(--fs-13);
  color: rgba(255,255,255,0.75);
  font-weight: 500;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  min-width: 0;
}

.sidebar-sign-out {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-2);
  padding: 8px var(--sp-3);
  border-radius: var(--r-md);
  background: transparent;
  border: 1px solid rgba(255,255,255,0.14);
  color: rgba(255,255,255,0.55);
  font-family: var(--font-body);
  font-size: var(--fs-13);
  font-weight: 600;
  cursor: pointer;
  transition:
    background     var(--t-fast) var(--ease),
    color          var(--t-fast) var(--ease),
    border-color   var(--t-fast) var(--ease);
}

.sidebar-sign-out:hover {
  background: rgba(200,37,44,0.18);
  border-color: rgba(200,37,44,0.45);
  color: #ffaaaa;
}

/* ── Scrim ─────────────────────────────────────────────────── */
.admin-scrim {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(9,30,75,0.55);
  z-index: 45;
  animation: fadeIn var(--t-default) var(--ease);
}

.admin-layout.nav-open .admin-scrim {
  display: block;
}

/* ── Main area ─────────────────────────────────────────────── */
.admin-main {
  display: flex;
  flex-direction: column;
  min-width: 0;
  background: var(--paper);
}

/* ── Topbar ────────────────────────────────────────────────── */
.admin-topbar {
  height: 56px;
  background: #fff;
  border-bottom: 1px solid var(--hairline);
  display: flex;
  align-items: center;
  gap: var(--sp-4);
  padding: 0 var(--sp-6) 0 var(--sp-5);
  position: sticky;
  top: 0;
  z-index: 40;
  box-shadow: 0 1px 3px rgba(9,30,75,0.06);
  flex-shrink: 0;
}

.topbar-title {
  font-family: var(--font-display);
  font-size: var(--fs-20);
  font-weight: 700;
  color: var(--cmc-navy);
  flex: 1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  /* reset heading defaults from tokens.css */
  margin: 0;
  letter-spacing: 0;
}

/* Hamburger inside topbar: navy-on-white style, hidden by default */
.admin-hamburger {
  display: none;
  color: var(--cmc-navy);
  background: transparent;
  border: 1px solid var(--hairline);
  flex-shrink: 0;
}

.admin-hamburger:hover {
  background: var(--cmc-navy-50);
  border-color: var(--cmc-navy-100);
}

/* Desktop nav in topbar (wireHeader targets #header-nav) */
.admin-topbar-nav {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  margin-left: auto;
  flex-shrink: 0;
}

.admin-topbar-nav .topbar-user-text {
  font-size: var(--fs-13);
  color: var(--fg2);
  max-width: 180px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Override ghost btn colours for white topbar */
.admin-topbar-nav .btn-ghost {
  color: var(--cmc-navy);
  background: transparent;
  border-color: transparent;
}
.admin-topbar-nav .btn-ghost:hover {
  background: var(--cmc-navy-50);
  color: var(--cmc-navy);
}

/* ── Page main override for admin ──────────────────────────── */
.admin-main .page-main {
  padding: var(--sp-8);
  max-width: 1440px;
  width: 100%;
  margin: 0;
}

.admin-main .tab-panels { margin-top: 0; }

/* ── Overview / Dashboard Tab ─────────────────────────────── */
.overview-root {
  display: flex;
  flex-direction: column;
  gap: var(--sp-6);
}

.overview-error {
  background: var(--cmc-red-100);
  color: var(--cmc-red);
  border: 1px solid var(--cmc-red);
  border-radius: var(--r-md);
  padding: var(--sp-3) var(--sp-4);
  font-size: var(--fs-14);
}

.overview-loading {
  background: var(--parchment);
  border-radius: var(--r-lg);
  padding: var(--sp-8);
  text-align: center;
  color: var(--fg3);
  font-size: var(--fs-14);
}

.overview-lower {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: auto auto;
  gap: var(--sp-6);
}

.overview-lower > :last-child {
  grid-column: 1 / -1;
}

.overview-section {
  display: flex;
  flex-direction: column;
  gap: var(--sp-4);
}

.overview-section-header {
  display: flex;
  align-items: baseline;
  gap: var(--sp-3);
}

.overview-section-title {
  font-family: var(--font-display);
  font-size: var(--fs-18);
  font-weight: 700;
  color: var(--cmc-navy);
  margin: 0;
}

.overview-section-meta {
  font-size: var(--fs-13);
  color: var(--fg3);
  margin-left: auto;
}

/* KPI tiles */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: var(--sp-4);
}

.kpi-card {
  background: #fff;
  border: 1px solid var(--hairline);
  border-radius: var(--r-lg);
  padding: var(--sp-5);
  box-shadow: var(--sh-1);
  transition:
    box-shadow  var(--t-default) var(--ease),
    transform   var(--t-default) var(--ease);
}

.kpi-card:hover {
  box-shadow: var(--sh-2);
  transform: translateY(-2px);
}

.kpi-card--featured {
  border-top: 3px solid var(--cmc-gold);
  background: linear-gradient(150deg, #fff 40%, var(--cmc-gold-50) 100%);
  grid-column: span 2;
}

.kpi-label {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--fg3);
  margin-bottom: var(--sp-2);
}

.kpi-value {
  font-family: var(--font-display);
  font-size: var(--fs-40);
  font-weight: 700;
  color: var(--cmc-navy);
  line-height: 1;
  margin-bottom: var(--sp-1);
}

.kpi-term {
  font-family: var(--font-display);
  font-size: var(--fs-20);
  font-weight: 700;
  color: var(--cmc-gold-700);
  line-height: 1.2;
  margin-bottom: var(--sp-1);
}

.kpi-sub {
  font-size: var(--fs-13);
  color: var(--fg3);
}

/* Grade submission summary card */
.gsub-summary-card {
  display: flex;
  flex-direction: column;
  gap: 0;
  padding: 0;
  overflow: hidden;
}

.gsub-summary-body {
  padding: var(--sp-5) var(--sp-6);
  flex: 1;
}

.gsub-summary-stat {
  display: flex;
  align-items: baseline;
  gap: var(--sp-3);
}

.gsub-summary-num {
  font-family: var(--font-display);
  font-size: var(--fs-48);
  font-weight: 700;
  color: var(--cmc-navy);
  line-height: 1;
}

.gsub-summary-label {
  font-size: var(--fs-16);
  color: var(--fg2);
  font-weight: 500;
}

.gsub-summary-hint {
  font-size: var(--fs-13);
  color: var(--fg3);
  margin-top: var(--sp-3);
}

.gsub-summary-empty {
  font-size: var(--fs-14);
  color: var(--fg3);
  padding: var(--sp-3) 0;
}

.gsub-summary-footer {
  padding: var(--sp-4) var(--sp-6);
  border-top: 1px solid var(--parchment);
  background: var(--cmc-navy-50);
}

/* Link button inline */
.link-btn {
  background: none;
  border: none;
  color: var(--cmc-navy);
  font-size: inherit;
  font-family: inherit;
  cursor: pointer;
  padding: 0;
  text-decoration: underline;
  text-decoration-color: var(--cmc-gold);
  text-underline-offset: 2px;
}
.link-btn:hover { color: var(--cmc-navy-600); }

/* Quick action cards */
.quick-actions-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  gap: var(--sp-3);
}

.quick-action-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--sp-2);
  padding: var(--sp-5);
  background: #fff;
  border: 1.5px solid var(--hairline);
  border-radius: var(--r-lg);
  box-shadow: var(--sh-1);
  cursor: pointer;
  text-align: left;
  font-family: var(--font-body);
  transition:
    border-color  var(--t-default) var(--ease),
    box-shadow    var(--t-default) var(--ease),
    transform     var(--t-default) var(--ease);
}

.quick-action-card:hover {
  border-color: var(--cmc-navy);
  box-shadow: var(--sh-2);
  transform: translateY(-2px);
}

.qa-icon {
  color: var(--cmc-navy);
  opacity: 0.7;
  transition: opacity var(--t-fast) var(--ease), color var(--t-fast) var(--ease);
}

.quick-action-card:hover .qa-icon {
  opacity: 1;
  color: var(--cmc-gold-700);
}

.qa-label {
  font-size: var(--fs-14);
  font-weight: 700;
  color: var(--cmc-navy);
}

.qa-hint {
  font-size: var(--fs-12);
  color: var(--fg3);
  line-height: 1.4;
}

/* Activity list */
.activity-list {
  list-style: none;
}

.activity-item {
  display: flex;
  align-items: flex-start;
  gap: var(--sp-3);
  padding: var(--sp-3) var(--sp-5);
  border-bottom: 1px solid var(--parchment);
}

.activity-item:last-child { border-bottom: none; }

.activity-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--cmc-gold);
  flex-shrink: 0;
  margin-top: 6px;
}

.activity-text {
  font-size: var(--fs-13);
  color: var(--fg2);
  line-height: 1.6;
  flex: 1;
}

.activity-time {
  font-size: var(--fs-12);
  color: var(--fg3);
  white-space: nowrap;
  padding-left: var(--sp-3);
  flex-shrink: 0;
  margin-top: 2px;
}

/* ── Mobile responsive (admin only) ────────────────────────── */
@media (max-width: 768px) {
  .admin-layout {
    grid-template-columns: 1fr;
  }

  .admin-sidebar {
    position: fixed;
    top: 0;
    left: 0;
    height: 100%;
    width: 280px;
    z-index: 50;
    transform: translateX(-100%);
    transition: transform var(--t-default) var(--ease);
  }

  .admin-layout.nav-open .admin-sidebar {
    transform: translateX(0);
  }

  .admin-main {
    grid-column: 1;
  }

  .admin-hamburger {
    display: flex;
  }

  .admin-topbar-nav {
    display: none;
  }

  .admin-main .page-main {
    padding: var(--sp-4);
  }

  .overview-lower {
    grid-template-columns: 1fr;
  }

  .overview-lower > :last-child {
    grid-column: 1;
  }

  .kpi-card--featured {
    grid-column: span 1;
  }

  .kpi-grid {
    grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  }

  .quick-actions-grid {
    grid-template-columns: 1fr 1fr;
  }

  .admin-topbar {
    padding: 0 var(--sp-4);
  }

  .topbar-title {
    font-size: var(--fs-18);
  }
}

@media (max-width: 400px) {
  .quick-actions-grid {
    grid-template-columns: 1fr;
  }
}