:root {
  --ink: #1d2433;
  --muted: #667085;
  --line: #d9dee8;
  --panel: #ffffff;
  --bg: #f4f7fb;
  --nav: #172033;
  --accent: #147d64;
  --accent-strong: #0f604e;
  --warn: #b54708;
  --danger: #b42318;
  --soft: #edf8f5;
  --shadow: 0 18px 48px rgba(22, 33, 54, 0.12);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  background: var(--bg);
  font-family: Arial, Helvetica, sans-serif;
}

button,
input,
select {
  font: inherit;
}

button {
  cursor: pointer;
}

.hidden {
  display: none !important;
}

.auth-screen {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
  background:
    linear-gradient(120deg, rgba(20, 125, 100, 0.9), rgba(23, 32, 51, 0.92)),
    url("https://images.unsplash.com/photo-1523050854058-8df90110c9f1?auto=format&fit=crop&w=1800&q=80") center/cover;
}

.auth-panel {
  width: min(920px, 100%);
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 36px;
  align-items: center;
  padding: 40px;
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.22);
  background: rgba(16, 24, 40, 0.35);
  box-shadow: var(--shadow);
  backdrop-filter: blur(12px);
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 620px;
  margin-bottom: 14px;
  font-size: clamp(2.1rem, 4vw, 4rem);
  line-height: 1.02;
}

h2 {
  margin-bottom: 0;
  font-size: 1.85rem;
}

h3 {
  margin-bottom: 0;
  font-size: 1rem;
}

.eyebrow {
  margin-bottom: 8px;
  color: #75dbc5;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.muted {
  color: rgba(255, 255, 255, 0.78);
  line-height: 1.6;
}

.login-form,
.student-form,
.stack-form {
  display: grid;
  gap: 14px;
}

.login-form {
  padding: 24px;
  color: var(--ink);
  background: #fff;
  border-radius: 8px;
}

.firebase-auth-form {
  margin-bottom: 12px;
}

.login-hint {
  margin: -2px 0 0;
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 1.45;
}

label {
  display: grid;
  gap: 6px;
  color: var(--muted);
  font-size: 0.86rem;
  font-weight: 700;
}

input,
select {
  width: 100%;
  min-height: 42px;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 0 12px;
  color: var(--ink);
  background: #fff;
}

input:focus,
select:focus {
  outline: 3px solid rgba(20, 125, 100, 0.18);
  border-color: var(--accent);
}

.primary-btn,
.secondary-btn,
.ghost-btn,
.link-btn,
.status-btn,
.nav-btn {
  min-height: 40px;
  border-radius: 6px;
  border: 1px solid transparent;
  padding: 0 14px;
  font-weight: 700;
}

.primary-btn {
  color: #fff;
  background: var(--accent);
}

.primary-btn:hover {
  background: var(--accent-strong);
}

.secondary-btn {
  color: var(--accent-strong);
  background: var(--soft);
  border-color: #bfe7db;
}

.ghost-btn {
  width: 100%;
  color: #e7edf5;
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.14);
}

.link-btn {
  color: var(--accent-strong);
  background: transparent;
}

.hint {
  margin: 0;
  color: var(--muted);
  font-size: 0.86rem;
}

.security-code {
  display: grid;
  gap: 6px;
  padding: 16px;
  border-bottom: 1px solid var(--line);
}

.security-code span {
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 700;
}

.security-code strong {
  overflow-wrap: anywhere;
  font-size: 1rem;
}

.backup-actions {
  display: grid;
  gap: 8px;
  padding-top: 4px;
}

.form-error {
  min-height: 18px;
  margin: 0;
  color: var(--danger);
  font-weight: 700;
}

.shell {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 260px 1fr;
}

.sidebar {
  position: sticky;
  top: 0;
  height: 100vh;
  display: flex;
  flex-direction: column;
  gap: 22px;
  padding: 22px;
  overflow: hidden;
  color: #fff;
  background: var(--nav);
}

.brand {
  display: flex;
  gap: 12px;
  align-items: center;
}

.brand-mark {
  display: grid;
  width: 44px;
  height: 44px;
  place-items: center;
  border-radius: 8px;
  color: #06261f;
  background: #75dbc5;
  font-weight: 800;
}

.brand span:last-child,
.sidebar nav {
  display: grid;
}

.brand span:last-child {
  margin-top: 3px;
  color: #aab4c3;
  font-size: 0.82rem;
}

.sidebar nav {
  gap: 8px;
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  overscroll-behavior: contain;
  padding-right: 4px;
  scrollbar-width: thin;
  scrollbar-color: rgba(203, 213, 225, 0.45) transparent;
}

.sidebar nav::-webkit-scrollbar {
  width: 8px;
}

.sidebar nav::-webkit-scrollbar-thumb {
  border-radius: 999px;
  background: rgba(203, 213, 225, 0.38);
}

.sidebar nav::-webkit-scrollbar-track {
  background: transparent;
}

.sidebar .ghost-btn {
  flex: 0 0 auto;
}

.nav-btn {
  display: flex;
  gap: 10px;
  align-items: center;
  width: 100%;
  color: #cbd5e1;
  text-align: left;
  background: transparent;
}

.nav-btn svg {
  width: 18px;
  height: 18px;
  flex: 0 0 auto;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.nav-btn.active,
.nav-btn:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.1);
}

.nav-btn.disabled {
  cursor: default;
  opacity: 0.68;
}

.nav-btn.disabled:hover {
  color: #cbd5e1;
  background: transparent;
}

.module-nav-title {
  position: sticky;
  top: 0;
  z-index: 2;
  margin: -2px -8px 4px;
  padding: 13px 14px;
  border-radius: 4px 4px 0 0;
  color: #fff;
  background: #0f5da8;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.02em;
}

.module-back-btn {
  position: sticky;
  top: 52px;
  z-index: 2;
  margin-bottom: 8px;
  border: 1px solid rgba(94, 234, 212, 0.42);
  color: #ecfeff;
  background: linear-gradient(135deg, #0f766e, #155e75);
  box-shadow: 0 10px 24px rgba(8, 47, 73, 0.22);
}

.module-back-btn:hover {
  color: #fff;
  background: linear-gradient(135deg, #0d9488, #0369a1);
}

.workspace {
  min-width: 0;
  padding: 26px;
}

.topbar {
  display: flex;
  gap: 18px;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
}

.topbar .eyebrow {
  color: var(--accent);
}

.topbar-actions {
  display: flex;
  gap: 10px;
  align-items: center;
}

.topbar-branch-filter {
  display: grid;
  grid-template-columns: auto minmax(190px, 260px);
  gap: 10px;
  align-items: center;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 800;
}

.topbar-branch-filter select {
  min-height: 42px;
}

.storage-status {
  max-width: 260px;
  color: var(--muted);
  font-size: 0.78rem;
  line-height: 1.25;
}

.storage-status.warning {
  color: var(--danger);
  font-weight: 700;
}

.toast {
  position: fixed;
  top: 18px;
  right: 24px;
  z-index: 30;
  max-width: min(360px, calc(100vw - 32px));
  padding: 12px 16px;
  border-radius: 8px;
  color: #fff;
  font-size: 0.9rem;
  font-weight: 700;
  box-shadow: var(--shadow);
}

.toast.success {
  background: var(--accent);
}

.toast.error {
  background: var(--danger);
}

.topbar-actions input {
  width: min(280px, 36vw);
}

.stats-grid,
.dashboard-grid {
  display: grid;
  gap: 16px;
}

.stats-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-bottom: 16px;
}

.dashboard-grid {
  grid-template-columns: 1.6fr 0.9fr;
}

.stat-card,
.panel {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: 0 8px 24px rgba(22, 33, 54, 0.06);
}

.stat-card {
  padding: 18px;
}

.stat-card span,
.report-card span {
  display: block;
  margin-bottom: 8px;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 700;
}

.stat-card strong {
  font-size: 2rem;
}

.module-dashboard {
  display: grid;
  grid-template-columns: repeat(6, minmax(170px, 1fr));
  gap: 22px 26px;
  align-items: start;
  margin-top: 6px;
}

.module-card {
  position: relative;
  display: flex;
  min-height: 140px;
  overflow: hidden;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  border: 0;
  border-radius: 16px;
  padding: 44px 18px 14px;
  color: #fff;
  box-shadow: 0 16px 28px rgba(31, 41, 55, 0.18);
  isolation: isolate;
}

.module-card::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -2;
  background: var(--module-bg);
}

.module-card::after {
  content: "";
  position: absolute;
  inset: 10px;
  z-index: -1;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 10px;
  opacity: 0;
}

.module-card:hover::after,
.module-card:focus-visible::after {
  opacity: 1;
}

.module-card-shape {
  position: absolute;
  top: -36px;
  right: -58px;
  z-index: -1;
  width: 184px;
  height: 184px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
}

.module-card-icon svg {
  width: 36px;
  height: 36px;
  fill: none;
  stroke: var(--module-icon);
  stroke-width: 2.2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.module-card strong {
  line-height: 1.2;
  font-size: 0.82rem;
  text-align: center;
}

.module-card.disabled {
  cursor: default;
  opacity: 0.78;
}

.module-card.blue { --module-bg: #2877ed; --module-icon: #ff6d6d; }
.module-card.purple { --module-bg: #8b0a99; --module-icon: #3fd5d7; }
.module-card.teal { --module-bg: #115f54; --module-icon: #b15ad5; }
.module-card.red { --module-bg: #b53d3d; --module-icon: #e87979; }
.module-card.cyan { --module-bg: #11777b; --module-icon: #39bfe7; }
.module-card.royal { --module-bg: #1557c7; --module-icon: #3898ff; }
.module-card.green { --module-bg: #0c842d; --module-icon: #2ea3ff; }
.module-card.indigo { --module-bg: #392b61; --module-icon: #b05ad1; }
.module-card.brown { --module-bg: #754f42; --module-icon: #16a3ff; }
.module-card.navy { --module-bg: #173f79; --module-icon: #38a7ff; }
.module-card.violet { --module-bg: #6010aa; --module-icon: #2bbdff; }

.module-dashboard-section {
  grid-template-columns: repeat(3, minmax(220px, 1fr));
  margin-bottom: 26px;
}

.module-dashboard-section .module-card {
  min-height: 94px;
  border-radius: 10px;
  padding: 14px 18px 16px;
  color: #1261a8;
  background: linear-gradient(105deg, #ffffff 0%, #e3f3ff 62%, #ccecff 100%);
  box-shadow: 0 12px 24px rgba(31, 41, 55, 0.12);
}

.module-dashboard-section .module-card::before {
  background: transparent;
}

.module-dashboard-section .module-card::after {
  inset: 0;
  border-color: rgba(18, 97, 168, 0.08);
  opacity: 1;
}

.module-dashboard-section .module-card-shape {
  top: -50px;
  right: 30px;
  width: 150px;
  height: 150px;
  background: rgba(255, 255, 255, 0.72);
}

.module-dashboard-section .module-card-icon svg {
  stroke: #0f5da8;
}

.module-dashboard-section .module-card strong {
  color: #1261a8;
  font-size: 0.86rem;
  text-decoration: underline;
}

.module-coming-soon,
.module-summary-grid {
  grid-column: 1 / -1;
}

.module-coming-soon {
  display: grid;
  gap: 6px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--muted);
  background: #fff;
}

.module-coming-soon strong {
  color: var(--ink);
  font-size: 1rem;
}

.module-summary-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 26px;
}

.attendance-dashboard-branch {
  display: flex;
  grid-column: 1 / -1;
  justify-content: flex-end;
  padding: 12px 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.academic-planner-shell,
.academic-request-panel,
.academic-progress-panel {
  grid-column: 1 / -1;
}

.academic-planner-shell {
  display: grid;
  gap: 18px;
}

.academic-request-grid {
  display: grid;
  gap: 14px;
  padding: 18px;
  grid-template-columns: repeat(3, minmax(180px, 1fr));
}

.academic-course-choices {
  display: grid;
  gap: 10px;
  padding: 0 18px 18px;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
}

.academic-course-choice {
  display: flex;
  gap: 8px;
  align-items: center;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #f8fafc;
}

.academic-request-panel .primary-btn {
  margin: 0 18px 18px;
  width: calc(100% - 36px);
}

.lesson-version-pages {
  display: grid;
  gap: 18px;
  padding: 18px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.lesson-version-pages.single-version {
  grid-template-columns: minmax(0, 1fr);
}

.lesson-version-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.lesson-version-tabs button {
  border: 0;
  border-radius: 6px;
  padding: 10px 14px;
  color: var(--muted);
  background: transparent;
  font-weight: 900;
  cursor: pointer;
}

.lesson-version-tabs button.active {
  color: #fff;
  background: #075e4a;
}

.lesson-version-page {
  display: grid;
  gap: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  overflow: hidden;
}

.lesson-version-heading {
  display: flex;
  gap: 12px;
  align-items: center;
  justify-content: space-between;
  padding: 16px;
  border-bottom: 1px solid var(--line);
  background: #f8fafc;
}

.lesson-version-heading strong,
.lesson-version-heading span {
  display: block;
}

.lesson-version-grid {
  padding: 0 16px;
  grid-template-columns: repeat(2, minmax(180px, 1fr));
}

.lesson-day-config {
  display: grid;
  grid-template-columns: repeat(2, minmax(220px, 1fr));
  gap: 12px;
  padding: 0 16px 12px;
}

.lesson-day-config label {
  display: grid;
  gap: 6px;
  color: var(--muted);
  font-weight: 800;
}

.lesson-day-config textarea {
  width: 100%;
  resize: vertical;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 10px;
  font: inherit;
}

.lesson-version-scope {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 0 16px;
}

.lesson-version-scope span {
  display: inline-flex;
  gap: 6px;
  align-items: center;
  padding: 7px 10px;
  border: 1px solid #cde7df;
  border-radius: 999px;
  color: #075e4a;
  font-weight: 800;
  background: #edf8f5;
}

.lesson-version-scope small {
  color: var(--muted);
  font-weight: 700;
}

.lesson-version-page .primary-btn {
  margin: 0 16px 16px;
  width: calc(100% - 32px);
}

.lesson-plan-request-card {
  display: grid;
  gap: 12px;
  padding: 16px;
  border-bottom: 1px solid var(--line);
}

.lesson-plan-request-heading {
  display: flex;
  gap: 12px;
  align-items: center;
  justify-content: space-between;
}

.lesson-plan-request-heading strong,
.lesson-plan-request-heading span {
  display: block;
}

.lesson-plan-class-tables {
  display: grid;
  gap: 14px;
}

.lesson-plan-class-table {
  display: grid;
  gap: 8px;
}

.lesson-plan-class-table h4 {
  margin: 0;
  color: #075e4a;
}

.lesson-plan-progress-table th,
.lesson-plan-progress-table td {
  min-width: 150px;
  vertical-align: top;
}

.lesson-plan-cell-editor {
  display: grid;
  gap: 8px;
  min-width: 230px;
}

.lesson-plan-cell-editor textarea {
  width: 100%;
  min-height: 80px;
  resize: vertical;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 8px;
  font: inherit;
}

.central-review-box {
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px solid var(--line);
}

.lesson-plan-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.lesson-plan-progress-table tfoot td {
  border-top: 2px solid var(--line);
}

.full-width {
  width: 100%;
}

.lesson-plan-submitted-text {
  max-width: 280px;
  max-height: 120px;
  overflow: auto;
  white-space: pre-wrap;
  padding: 8px;
  border: 1px solid #d8e3ef;
  border-radius: 6px;
  background: #f8fbff;
  color: var(--text);
  font-size: 0.82rem;
}

.lesson-group-plan,
.lesson-group-submissions {
  display: grid;
  gap: 8px;
}

.lesson-group-plan {
  padding-top: 8px;
  border-top: 1px solid var(--line);
}

.lesson-group-plan:first-of-type {
  border-top: 0;
  padding-top: 0;
}

.lesson-group-plan strong,
.lesson-group-submissions strong {
  color: #075e4a;
}

.lesson-cell-meta {
  display: block;
  margin-top: 6px;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 800;
}

.lesson-cell-meta.warning {
  color: #b42318;
}

.lesson-status {
  display: inline-flex;
  max-width: 100%;
  align-items: center;
  padding: 6px 8px;
  border-radius: 999px;
  color: #475467;
  font-size: 0.78rem;
  font-weight: 800;
  background: #eef2f7;
}

.lesson-status.submitted,
.lesson-status.coteacherReview,
.lesson-status.centralReview {
  color: #7a4b00;
  background: #fff4d6;
}

.lesson-status.revision {
  color: #b42318;
  background: #ffe4e0;
}

.lesson-status.approved,
.lesson-status.typesetting {
  color: #067647;
  background: #dcfae6;
}

@media (max-width: 900px) {
  .lesson-version-pages {
    grid-template-columns: 1fr;
  }

  .lesson-version-grid {
    grid-template-columns: 1fr;
  }

  .lesson-day-config {
    grid-template-columns: 1fr;
  }
}

.staff-form {
  display: grid;
  gap: 18px;
}

.staff-form-section {
  overflow: hidden;
  border: 1px solid #7ec8ff;
  border-radius: 4px;
  background: #fff;
}

.staff-section-heading {
  padding: 12px 16px;
  color: #fff;
  background: #3498db;
  font-size: 1.18rem;
  font-weight: 700;
}

.staff-employment-grid {
  display: grid;
  grid-template-columns: minmax(360px, 1fr) 280px;
  gap: 34px;
  padding: 20px 28px 30px;
}

.staff-fields,
.staff-two-column,
.staff-address-grid {
  display: grid;
  gap: 14px;
}

.staff-function-section {
  display: grid;
  gap: 18px;
}

.staff-fields label,
.staff-two-column label,
.staff-address-grid label {
  grid-template-columns: 190px minmax(0, 1fr);
  align-items: center;
  color: var(--ink);
  font-size: 0.95rem;
  font-weight: 500;
}

.staff-two-column {
  grid-template-columns: 1fr 1fr;
  padding: 20px 28px 30px;
  column-gap: 48px;
}

.staff-two-column label small {
  grid-column: 2;
  color: var(--muted);
  font-weight: 400;
}

.staff-address-grid {
  max-width: 1120px;
  margin: 0 auto;
  padding: 20px 28px 30px;
}

.staff-single-column {
  max-width: 1120px;
  padding: 20px 28px 30px;
}

.staff-photo-box {
  display: grid;
  align-content: start;
  justify-items: center;
  gap: 8px;
  text-align: center;
}

.staff-photo-preview {
  display: grid;
  width: 180px;
  height: 220px;
  place-items: center;
  border: 1px solid var(--line);
  color: #555;
  background: #f7f7f7;
  font-size: 1.5rem;
  font-weight: 800;
}

.staff-photo-preview img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.staff-photo-box p {
  margin: 0;
  color: var(--ink);
  line-height: 1.35;
}

.file-btn {
  display: inline-flex;
  min-height: 42px;
  align-items: center;
  border-radius: 5px;
  padding: 0 16px;
  color: #fff;
  background: #2878bd;
  cursor: pointer;
}

.file-btn input {
  display: none;
}

.input-prefix {
  display: grid;
  grid-template-columns: auto 1fr;
}

.input-prefix > span,
.input-prefix > select {
  display: grid;
  min-height: 42px;
  align-items: center;
  border: 1px solid var(--line);
  border-right: 0;
  border-radius: 6px 0 0 6px;
  padding: 0 14px;
  color: #4b5563;
  background: #eee;
}

.input-prefix input {
  border-radius: 0 6px 6px 0;
}

.inline-radio {
  display: flex;
  gap: 10px;
  align-items: center;
}

.inline-radio label {
  display: inline-flex;
  grid-template-columns: none;
  gap: 4px;
  align-items: center;
}

.inline-radio input {
  width: auto;
  min-height: auto;
}

.tiny-add-btn {
  width: 24px;
  min-height: 26px;
  margin: 20px 20px 12px;
  border: 0;
  border-radius: 4px;
  color: #fff;
  background: #27c1d6;
  font-weight: 800;
}

.allowance-table {
  width: calc(100% - 40px);
  margin: 0 20px 30px;
  border-collapse: collapse;
}

.allowance-table th,
.allowance-table td {
  border: 1px solid #e5e7eb;
  padding: 10px;
  text-align: left;
}

.staff-submit-btn {
  justify-self: end;
  min-width: 220px;
}

.staff-list-title {
  display: grid;
  gap: 6px;
}

.staff-list-title h2 {
  color: #667987;
  font-size: 1.65rem;
  font-weight: 500;
}

.staff-list-title p {
  color: #2b7bc1;
  font-weight: 500;
}

.staff-list-panel {
  overflow: hidden;
  border: 1px solid #35bfd1;
  border-radius: 4px;
  background: #fff;
}

.staff-list-heading {
  display: flex;
  min-height: 52px;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
  color: #fff;
  background: #35bfca;
  font-size: 1.28rem;
  font-weight: 600;
}

.staff-list-search {
  display: grid;
  grid-template-columns: repeat(4, minmax(160px, 1fr));
  gap: 18px 28px;
  padding: 20px 18px 24px;
}

.staff-list-search label {
  display: grid;
  gap: 8px;
  color: var(--ink);
  font-weight: 500;
}

.staff-list-actions {
  display: flex;
  gap: 6px;
  align-items: end;
}

.staff-list-actions button {
  width: auto;
  min-width: 88px;
}

.staff-list-table-wrap {
  border: 1px solid var(--line);
  background: #fff;
}

.staff-list-table th,
.staff-list-table td {
  border-right: 1px solid var(--line);
  color: var(--ink);
  font-size: 0.95rem;
  vertical-align: top;
  white-space: normal;
}

.staff-list-table th {
  color: #1f2937;
  font-size: 0.92rem;
  text-transform: none;
}

.staff-table-actions {
  display: flex;
  width: 150px;
  gap: 4px;
  flex-wrap: wrap;
}

.staff-assignment-cell {
  display: grid;
  gap: 4px;
  min-width: 150px;
}

.staff-assignment-cell span {
  display: block;
  padding: 3px 6px;
  border-radius: 4px;
  color: #075e4a;
  font-size: 0.78rem;
  font-weight: 700;
  background: #edf8f5;
}

.staff-action-btn {
  min-height: 26px;
  border: 0;
  border-radius: 4px;
  padding: 0 8px;
  color: #fff;
  font-size: 0.8rem;
  font-weight: 700;
  cursor: pointer;
}

.staff-action-btn.profile {
  background: #28bed0;
}

.staff-action-btn.delete,
.staff-action-btn.change {
  background: #ef4056;
}

.staff-action-btn.dark {
  background: #1f2937;
}

.staff-action-btn.permission {
  background: #3498db;
}

.staff-serial-input {
  width: 90px;
  min-height: 42px;
}

.branch-user-panel {
  grid-column: 1 / -1;
}

.branch-user-form {
  grid-template-columns: repeat(3, minmax(180px, 1fr));
}

.branch-user-form .primary-btn {
  grid-column: 1 / -1;
}

.branch-user-table th,
.branch-user-table td {
  border-right: 1px solid var(--line);
  color: var(--ink);
  font-size: 0.95rem;
  text-transform: none;
  vertical-align: top;
}

.branch-user-actions {
  display: flex;
  width: 178px;
  gap: 4px;
  flex-wrap: wrap;
}

.permission-panel {
  display: grid;
  gap: 16px;
  padding: 16px;
  border-top: 1px solid var(--line);
  background: #fbfcfe;
}

.permission-panel-heading {
  display: flex;
  gap: 12px;
  align-items: center;
  justify-content: space-between;
}

.permission-panel-heading strong,
.permission-panel-heading span {
  display: block;
}

.permission-panel-heading span {
  margin-top: 4px;
  color: var(--muted);
  font-size: 0.84rem;
}

.permission-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 8px 14px;
}

.assignment-add-btn {
  grid-column: 2;
}

.co-teacher-version-tabs {
  margin: 12px 16px;
}

.co-teacher-editor {
  display: grid;
  grid-template-columns: repeat(3, minmax(180px, 1fr));
  gap: 12px;
  margin: 0 16px 16px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.co-teacher-editor label {
  display: grid;
  gap: 6px;
  color: var(--muted);
  font-weight: 800;
}

.co-teacher-editor-actions {
  display: flex;
  gap: 8px;
  align-items: end;
}

.assignment-list {
  display: grid;
  grid-column: 2;
  gap: 8px;
}

.assignment-item {
  display: flex;
  min-height: 38px;
  gap: 10px;
  align-items: center;
  justify-content: space-between;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 6px 8px 6px 12px;
  background: #f8fafc;
  color: var(--ink);
  font-weight: 700;
}

.module-metric-panel {
  border: 1px solid var(--line);
  border-radius: 4px;
  background: #fff;
}

.module-metric-panel h3 {
  padding: 13px 16px;
  border-bottom: 1px solid var(--line);
  color: #4b5563;
  font-weight: 500;
}

.module-metric-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 26px;
  padding: 16px;
}

.module-metric-card {
  min-height: 118px;
  border: 1px solid #edf0f5;
  text-align: center;
}

.module-metric-card span {
  display: block;
  padding: 12px;
  color: #fff;
  font-size: 0.78rem;
  font-weight: 800;
}

.module-metric-card span.total {
  background: #25a69c;
}

.module-metric-card span.male {
  background: #3698d8;
}

.module-metric-card span.female {
  background: #35bfca;
}

.module-metric-card strong {
  display: block;
  padding: 30px 12px;
  color: #333;
  font-size: 1.15rem;
}

.panel {
  overflow: hidden;
}

.panel-heading {
  display: flex;
  gap: 12px;
  align-items: center;
  justify-content: space-between;
  padding: 16px;
  border-bottom: 1px solid var(--line);
}

.sub-heading {
  border-top: 1px solid var(--line);
}

.panel-heading input,
.panel-heading select {
  width: auto;
}

.module-branch-filter {
  min-width: min(360px, 100%);
  grid-template-columns: auto minmax(180px, 260px);
  align-items: center;
  color: var(--muted);
}

.module-branch-filter select {
  width: 100%;
}

.student-form,
.toolbar {
  padding: 16px;
  border-bottom: 1px solid var(--line);
}

.student-form {
  grid-template-columns: repeat(4, minmax(140px, 1fr));
}

.student-form .primary-btn {
  grid-column: span 4;
}

.student-admission-form {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  gap: 12px 20px;
  padding: 18px;
  border-bottom: 1px solid var(--line);
}

.student-admission-form label {
  display: grid;
  grid-column: 1 / -1;
  grid-template-columns: 180px 24px minmax(0, 1fr);
  gap: 16px;
  align-items: center;
  color: var(--ink);
  font-size: 0.92rem;
  font-weight: 500;
}

.required-star {
  color: #b42318;
  font-weight: 900;
}

.student-admission-form label input,
.student-admission-form label select {
  grid-column: 3;
  min-height: 40px;
}

.student-admission-form .form-section-title {
  grid-column: 1 / -1;
  margin: 12px -18px 2px;
  padding: 12px 18px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  color: var(--accent-strong);
  background: #f8fafc;
  font-weight: 800;
}

.student-admission-form .form-section-title:first-child {
  margin-top: -18px;
  border-top: 0;
}

.student-admission-form .primary-btn {
  grid-column: 3;
}

.student-admission-form .secondary-btn {
  grid-column: 3;
}

.student-settings-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  padding: 18px;
}

.student-settings-card {
  display: grid;
  gap: 14px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.student-settings-card .compact-heading {
  margin: -16px -16px 0;
  border-radius: 8px 8px 0 0;
  background: #f8fafc;
}

.student-settings-grid label {
  gap: 8px;
}

.student-settings-grid textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 10px 12px;
  resize: vertical;
  font: inherit;
}

.student-settings-grid .primary-btn {
  width: 100%;
}

.student-action-panel {
  display: grid;
  grid-template-columns: minmax(220px, 420px) minmax(220px, 420px);
  gap: 16px;
  padding: 18px;
}

.student-action-panel label {
  gap: 8px;
}

.student-action-panel textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 10px 12px;
  resize: vertical;
  font: inherit;
}

.student-action-panel button,
.student-action-panel .id-card-preview {
  grid-column: 1 / -1;
}

.branch-signature-setting {
  display: grid;
  gap: 10px;
}

.signature-settings-panel {
  display: grid;
  gap: 14px;
  padding: 16px;
  grid-template-columns: minmax(220px, 1fr) minmax(220px, 1fr);
}

.signature-preview {
  display: grid;
  min-height: 82px;
  place-items: center;
  border: 1px dashed #cbd5e1;
  border-radius: 6px;
  color: var(--muted);
  background: #f8fafc;
  text-align: center;
}

.signature-settings-panel .signature-preview {
  grid-column: 1 / -1;
}

.signature-preview img {
  max-width: 220px;
  max-height: 54px;
  object-fit: contain;
}

.signature-preview span {
  display: block;
  margin-top: 4px;
  font-size: 0.78rem;
}

.id-card {
  position: relative;
  width: 360px;
  min-height: 575px;
  overflow: hidden;
  border: 5px solid #16456d;
  border-radius: 0;
  background: #fff;
  box-shadow: 0 12px 30px rgba(22, 33, 54, 0.18);
  color: #111827;
}

.id-card-top {
  position: relative;
  display: grid;
  min-height: 230px;
  justify-items: center;
  align-content: start;
  padding: 10px 20px 0;
  overflow: hidden;
  color: #fff;
  text-align: center;
  background: #245f8b;
}

.id-card-top::before {
  position: absolute;
  top: -42px;
  left: -60px;
  width: 150px;
  height: 300px;
  content: "";
  background: #e46f25;
  border-radius: 50%;
  box-shadow: 36px 35px 0 rgba(92, 72, 62, 0.72);
}

.id-card-top::after {
  position: absolute;
  right: -50px;
  bottom: -70px;
  width: 300px;
  height: 120px;
  content: "";
  background: rgba(45, 58, 70, 0.86);
  border-radius: 50%;
}

.id-card-logo,
.id-card-school,
.id-card-address,
.id-card-phone {
  position: relative;
  z-index: 1;
}

.id-card-logo {
  width: 72px;
  height: 72px;
  margin-bottom: 8px;
  border: 3px solid #f8fafc;
  border-radius: 999px;
  object-fit: cover;
  background: #fff;
}

.id-card-school {
  font-size: 1.42rem;
  font-weight: 900;
  line-height: 1.16;
  text-shadow: 0 1px 1px rgba(0, 0, 0, 0.18);
}

.id-card-address {
  margin-top: 9px;
  font-size: 0.98rem;
  font-weight: 800;
}

.id-card-phone {
  margin-top: 5px;
  font-size: 0.98rem;
  font-weight: 800;
}

.id-card-photo-wrap {
  display: grid;
  justify-content: center;
  margin-top: -10px;
}

.id-card-photo {
  display: grid;
  width: 124px;
  height: 124px;
  place-items: center;
  border: 3px solid #111827;
  border-radius: 999px;
  color: var(--muted);
  background: #f8fafc;
  font-size: 0.78rem;
  overflow: hidden;
}

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

.id-card-badge {
  width: max-content;
  max-width: 90%;
  margin: 8px auto 12px;
  padding: 5px 8px;
  border-radius: 6px;
  color: #fff;
  background: #ff0e0e;
  font-size: 1.18rem;
  font-weight: 900;
}

.id-card-details {
  display: grid;
  gap: 2px;
  padding: 0 46px 72px;
  font-size: 0.98rem;
  line-height: 1.15;
}

.id-card-row {
  display: grid;
  grid-template-columns: 108px 1fr;
  align-items: start;
}

.id-card-row span {
  color: #1f2937;
}

.id-card-row strong {
  font-weight: 800;
}

.id-card-signature {
  position: absolute;
  right: 28px;
  bottom: 36px;
  display: grid;
  min-width: 108px;
  justify-items: center;
  color: #1f2937;
  font-size: 0.9rem;
}

.id-card-signature img {
  max-width: 104px;
  max-height: 42px;
  object-fit: contain;
}

.signature-missing {
  color: #94a3b8;
  font-size: 0.78rem;
}

.id-card-bottom {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  height: 25px;
  background: #1382c4;
  border-top: 4px solid #075985;
}

@media print {
  body * {
    visibility: hidden;
  }

  .id-card-preview,
  .id-card-preview * {
    visibility: visible;
  }

  .id-card-preview {
    position: absolute;
    top: 20px;
    left: 20px;
  }
}

@media (max-width: 1100px) {
  .staff-list-search {
    grid-template-columns: repeat(2, minmax(160px, 1fr));
  }
}

@media (max-width: 700px) {
  .staff-list-search {
    grid-template-columns: 1fr;
  }

  .staff-list-actions {
    align-items: stretch;
  }
}

.sibling-preview {
  border-bottom: 1px solid var(--line);
  background: #fbfcfe;
}

.sibling-preview .empty-state {
  text-align: left;
}

.sibling-preview .field-label {
  padding: 14px 16px 0;
}

.import-box {
  display: grid;
  gap: 10px;
  padding: 16px;
  border-bottom: 1px solid var(--line);
  background: #fbfcfe;
}

.import-box .hint {
  color: var(--muted);
}

.student-search-panel {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)) auto;
  gap: 10px;
  padding: 16px;
  border-bottom: 1px solid var(--line);
  background: #fff;
}

.student-search-panel .secondary-btn {
  white-space: nowrap;
}

.student-function-section.hidden + .student-function-section.hidden + .student-function-section.hidden {
  display: none;
}

.stack-form {
  padding: 16px;
  border-bottom: 1px solid var(--line);
}

.toolbar {
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
}

.toolbar select {
  width: 220px;
}

.toolbar input {
  width: 170px;
}

.management-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.compact-list {
  display: grid;
}

.compact-item {
  padding: 13px 16px;
  border-bottom: 1px solid var(--line);
  color: var(--ink);
  font-weight: 700;
}

.notification-card.urgent {
  border-left: 4px solid var(--danger);
  background: #fff7f7;
}

.notification-card.warning {
  border-left: 4px solid var(--warn);
  background: #fff8ed;
}

.compact-item small {
  display: block;
  margin-top: 4px;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: capitalize;
}

.follow-up-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(160px, 1fr));
  gap: 10px;
  margin-top: 12px;
  align-items: end;
}

.follow-up-grid label {
  display: grid;
  gap: 5px;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 800;
}

.follow-up-grid select,
.follow-up-grid input {
  min-height: 38px;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 0 10px;
  font: inherit;
}

.follow-up-summary-list {
  display: grid;
  gap: 8px;
  margin-top: 10px;
}

.follow-up-summary-list > div {
  padding: 8px 10px;
  border: 1px solid #cde7df;
  border-radius: 6px;
  background: #f3fbf8;
}

.split-item {
  display: flex;
  gap: 10px;
  align-items: center;
  justify-content: space-between;
}

.row-actions {
  display: inline-flex;
  gap: 8px;
  align-items: center;
}

.small-btn {
  min-height: 32px;
  padding: 0 10px;
  font-size: 0.82rem;
}

.calendar-config {
  padding: 16px;
  border-bottom: 1px solid var(--line);
}

.field-label,
.section-label {
  margin: 0;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
}

.section-label {
  padding: 14px 16px;
  background: #f8fafc;
  border-bottom: 1px solid var(--line);
}

.check-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-top: 10px;
}

.check-option {
  display: flex;
  min-height: 34px;
  gap: 8px;
  align-items: center;
  color: var(--ink);
  font-size: 0.84rem;
}

.check-option input {
  width: 16px;
  min-height: 16px;
}

.table-wrap {
  overflow-x: auto;
}

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

th,
td {
  padding: 13px 16px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  white-space: nowrap;
}

th {
  color: var(--muted);
  font-size: 0.78rem;
  text-transform: uppercase;
}

.badge {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  border-radius: 999px;
  padding: 0 10px;
  font-size: 0.8rem;
  font-weight: 800;
}

.badge.present {
  color: var(--accent-strong);
  background: var(--soft);
}

.badge.absent {
  color: var(--danger);
  background: #fff1f0;
}

.badge.late {
  color: var(--warn);
  background: #fff7ed;
}

.badge.blocked {
  color: var(--danger);
  background: #fff1f0;
}

.summary-list,
.attendance-list {
  display: grid;
}

.summary-row,
.attendance-row {
  display: grid;
  gap: 12px;
  align-items: center;
  padding: 14px 16px;
  border-bottom: 1px solid var(--line);
}

.summary-row {
  grid-template-columns: 1fr auto;
}

.summary-row.low-attendance-row {
  border-left: 4px solid var(--danger);
  background: #fff7f7;
}

.summary-row strong {
  display: block;
}

.summary-row span,
.attendance-row span {
  color: var(--muted);
  font-size: 0.84rem;
}

.attendance-row {
  grid-template-columns: minmax(180px, 1fr) 140px 260px;
}

.status-actions {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}

.status-btn {
  color: var(--muted);
  background: #fff;
  border-color: var(--line);
}

.status-btn.active[data-status="present"] {
  color: #fff;
  background: var(--accent);
}

.status-btn.active[data-status="absent"] {
  color: #fff;
  background: var(--danger);
}

.status-btn.active[data-status="late"] {
  color: #fff;
  background: var(--warn);
}

.report-card {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 14px;
  padding: 16px;
  border-bottom: 1px solid var(--line);
}

.report-card div {
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.report-card strong {
  font-size: 1.7rem;
}

.danger-btn {
  color: var(--danger);
  background: #fff;
  border: 1px solid #ffd1cc;
  border-radius: 6px;
  padding: 7px 10px;
  font-weight: 700;
}

.subtext {
  color: var(--muted);
  font-size: 0.8rem;
}

.trend-chart {
  display: grid;
  gap: 12px;
  padding: 16px;
}

.trend-row {
  display: grid;
  grid-template-columns: 110px 1fr 54px;
  gap: 12px;
  align-items: center;
}

.branch-trend-row {
  grid-template-columns: minmax(180px, 260px) 1fr 54px;
}

.trend-row span,
.trend-row strong {
  color: var(--muted);
  font-size: 0.82rem;
}

.trend-track {
  height: 12px;
  overflow: hidden;
  border-radius: 999px;
  background: #e8edf5;
}

.trend-track i {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: var(--accent);
}

.plot-chart {
  display: grid;
  gap: 18px;
  padding: 16px;
}

.plot-group {
  display: grid;
  gap: 12px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line);
}

.plot-heading {
  display: flex;
  gap: 10px;
  justify-content: space-between;
  align-items: center;
}

.plot-heading span {
  color: var(--muted);
  font-size: 0.84rem;
  font-weight: 700;
}

.plot-heading span::after {
  content: " / top line 100%";
}

.plot-bars {
  display: grid;
  gap: 8px;
  min-height: 170px;
  align-items: end;
  overflow-x: auto;
  padding-bottom: 4px;
  background:
    linear-gradient(to bottom, rgba(180, 35, 24, 0.5) 0 2px, transparent 2px),
    linear-gradient(to bottom, transparent 0, transparent 100%);
  background-size: 100% 132px;
  background-repeat: no-repeat;
}

.plot-bar {
  display: grid;
  grid-template-rows: 18px 132px auto;
  gap: 6px;
  align-items: end;
  min-width: 28px;
}

.plot-bar span {
  color: var(--ink);
  font-size: 0.7rem;
  font-weight: 700;
  text-align: center;
}

.plot-bar i {
  display: block;
  align-self: end;
  min-height: 3px;
  border-radius: 5px 5px 2px 2px;
  background: var(--accent);
}

.plot-bar.low-attendance span {
  color: var(--danger);
}

.plot-bar.low-attendance i {
  background: var(--danger);
}

.plot-bar.no-record span,
.plot-bar.no-record small {
  color: #98a2b3;
}

.plot-bar.no-record i {
  background: #d9dee8;
}

.plot-bar small {
  color: var(--muted);
  font-size: 0.72rem;
  text-align: center;
}

.empty-state {
  padding: 22px;
  color: var(--muted);
  text-align: center;
}

@media (max-width: 920px) {
  .auth-panel,
  .shell,
  .dashboard-grid,
  .management-grid {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: static;
    height: auto;
    max-height: 100vh;
  }

  .stats-grid,
  .report-card,
  .student-form,
  .student-settings-grid,
  .signature-settings-panel,
  .student-search-panel {
    grid-template-columns: 1fr 1fr;
  }

  .student-admission-form,
  .student-admission-form label,
  .staff-employment-grid,
  .staff-two-column,
  .staff-fields label,
  .staff-two-column label,
  .staff-address-grid label,
  .student-action-panel {
    grid-template-columns: 1fr;
  }

  .student-admission-form .primary-btn {
    grid-column: 1;
  }

  .student-admission-form .secondary-btn,
  .student-admission-form label input,
  .student-admission-form label select {
    grid-column: 1;
  }

  .module-dashboard {
    grid-template-columns: repeat(2, minmax(150px, 1fr));
  }

  .module-dashboard-section,
  .module-summary-grid {
    grid-template-columns: 1fr;
  }

  .student-form .primary-btn {
    grid-column: span 2;
  }

  .attendance-row {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .auth-panel,
  .workspace {
    padding: 18px;
  }

  .topbar,
  .topbar-actions,
    .toolbar {
    align-items: stretch;
    flex-direction: column;
  }

  .topbar-actions input,
  .toolbar select,
  .toolbar input {
    width: 100%;
  }

  .stats-grid,
  .report-card,
  .student-form,
  .student-settings-grid,
  .signature-settings-panel,
  .student-search-panel {
    grid-template-columns: 1fr;
  }

  .module-dashboard {
    grid-template-columns: 1fr;
  }

  .module-metric-row {
    grid-template-columns: 1fr;
  }

  .student-form .primary-btn {
    grid-column: span 1;
  }

  .trend-row {
    grid-template-columns: 1fr;
  }

  .check-grid {
    grid-template-columns: 1fr;
  }
}