:root {
  --bg: #0f172a;
  --panel: #111827;
  --panel-2: #1f2937;
  --text: #e5e7eb;
  --muted: #9ca3af;
  --line: #374151;
  --primary: #2563eb;
  --success: #16a34a;
  --warn: #dc2626;
  --white: #ffffff;
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.18);
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: #0b1120;
  color: var(--text);
  font-family: Arial, Helvetica, sans-serif;
  min-height: 100vh;
}
a { color: #93c5fd; text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; }
button { font-family: inherit; }
.app-shell {
  display: flex;
  min-height: 100vh;
}
.sidebar {
  width: 260px;
  background: var(--panel);
  border-right: 1px solid var(--line);
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 24px;
  flex-shrink: 0;
}
.sidebar-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.sidebar-close {
  display: none;
  width: 40px;
  height: 40px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: var(--panel-2);
  color: var(--text);
  cursor: pointer;
  font-size: 24px;
  line-height: 1;
}
.brand-mini { display: flex; align-items: center; gap: 12px; }
.brand-mini img { width: 48px; height: 48px; border-radius: 12px; }
.brand-mini small { display: block; color: var(--muted); margin-top: 4px; }
.menu { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.menu a, .logout-link {
  display: block;
  padding: 14px;
  border-radius: 14px;
  background: var(--panel-2);
  color: var(--text);
}
.menu a.is-active { outline: 1px solid rgba(147,197,253,.35); background: rgba(37,99,235,.18); }
.main-content {
  flex: 1;
  padding: 24px;
  min-width: 0;
}
.page-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  margin-bottom: 18px;
}
.page-title-row {
  display: flex;
  align-items: center;
  gap: 14px;
}
.page-header h1 { margin: 0; font-size: 28px; }
.page-header p { margin: 4px 0 0; color: var(--muted); }
.header-statuses {
  gap: 10px;
  flex-wrap: wrap;
  justify-content: flex-end;
}
.status-pill, .tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 12px;
  border-radius: 999px;
  background: var(--panel-2);
  border: 1px solid var(--line);
  font-size: 13px;
}
.menu-toggle {
  display: none;
  width: 46px;
  height: 46px;
  padding: 0;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: var(--panel);
  cursor: pointer;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 4px;
}
.menu-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--text);
  border-radius: 999px;
}
.install-inline-button { white-space: nowrap; }
.install-banner {
  margin-bottom: 16px;
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.22), rgba(17, 24, 39, 0.96));
  border: 1px solid rgba(147,197,253,.3);
  border-radius: 18px;
  padding: 16px;
  box-shadow: var(--shadow);
}
.install-banner__content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}
.install-banner p {
  margin: 6px 0 0;
  color: var(--text);
}
.install-banner__actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}
.mobile-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(2, 6, 23, 0.72);
  z-index: 25;
}
.cards-grid, .panel-grid { display: grid; gap: 16px; }
.cards-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); margin-bottom: 16px; }
.cards-grid.cards-grid-compact { margin-top: 0; }
.panel-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.full-width { grid-column: 1 / -1; }
.card {
  background: rgba(17, 24, 39, 0.95);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 18px;
  box-shadow: var(--shadow);
}
.stat-card span { display: block; color: var(--muted); margin-bottom: 8px; }
.stat-card strong { font-size: 34px; }
.flash { padding: 14px 16px; border-radius: 14px; margin-bottom: 16px; }
.flash-success { background: rgba(22, 163, 74, 0.14); border: 1px solid rgba(22, 163, 74, 0.5); }
.flash-error { background: rgba(220, 38, 38, 0.14); border: 1px solid rgba(220, 38, 38, 0.5); }
.toolbar { display: flex; justify-content: space-between; align-items: center; gap: 16px; margin-bottom: 16px; }
.toolbar-form { display: flex; gap: 12px; align-items: end; flex-wrap: wrap; }
.toolbar-form-wide { width: 100%; }
.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.compact-form { gap: 12px; }
.form-grid label, .toolbar-form label, .stack-form label { display: grid; gap: 8px; font-size: 14px; }
.full { grid-column: 1 / -1; }
input, select, textarea, button {
  width: 100%;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: #0b1220;
  color: var(--text);
  padding: 12px 14px;
  font-size: 16px;
}
button, .btn-primary, .btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  cursor: pointer;
  min-height: 44px;
}
.btn-primary { background: var(--primary); color: var(--white); border: 1px solid rgba(255,255,255,0.1); padding: 0 16px; border-radius: 12px; }
.btn-secondary { background: var(--panel-2); color: var(--text); border: 1px solid var(--line); padding: 0 16px; border-radius: 12px; }
.btn-small { min-height: 38px; padding: 0 12px; width: auto; }
.actions-row { display: flex; gap: 12px; justify-content: flex-end; }
.actions-row.align-left { justify-content: flex-start; }
.card-head { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin-bottom: 12px; }
.card-head.compact h2 { margin: 0; }
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 12px; border-bottom: 1px solid var(--line); }
th { color: var(--muted); font-size: 13px; }
.simple-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.simple-list li { display: flex; justify-content: space-between; gap: 14px; padding-bottom: 10px; border-bottom: 1px solid var(--line); }
.muted { color: var(--muted); }
.tag.success { background: rgba(22,163,74,.2); }
.tag.warn { background: rgba(220,38,38,.16); }
.receipt-card { max-width: 800px; margin: 0 auto; }
.receipt-head { display: flex; justify-content: space-between; align-items: center; gap: 12px; }
.receipt-signature { margin-top: 42px; text-align: center; }
.auth-body { min-height: 100vh; display: grid; place-items: center; padding: 24px; }
.auth-card {
  width: min(100%, 520px);
  background: rgba(17,24,39,.95);
  border: 1px solid var(--line);
  border-radius: 24px;
  padding: 24px;
}
.brand-block { text-align: center; margin-bottom: 18px; }
.brand-icon { width: 88px; height: 88px; border-radius: 22px; }
.stack-form { display: grid; gap: 14px; }
.checkbox-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
.checkbox-card, .checkbox-line {
  display: flex !important;
  align-items: center;
  gap: 10px;
  padding: 12px;
  background: #0b1220;
  border: 1px solid var(--line);
  border-radius: 12px;
}
.checkbox-card input, .checkbox-line input { width: auto; margin: 0; }
.checkbox-card strong { display: block; }
.checkbox-card small { color: var(--muted); display: block; margin-top: 4px; }
.inline-note { display: inline-flex; align-items: center; gap: 6px; }
@media (max-width: 1100px) {
  .cards-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 980px) {
  .app-shell { display: block; }
  .sidebar {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: 30;
    width: min(82vw, 320px);
    border-right: 1px solid var(--line);
    transform: translateX(-105%);
    transition: transform .22s ease;
    overflow-y: auto;
    box-shadow: 0 18px 44px rgba(0,0,0,.35);
  }
  .sidebar.is-open { transform: translateX(0); }
  .sidebar-close { display: inline-flex; align-items: center; justify-content: center; }
  .menu-toggle { display: inline-flex; }
  .main-content { padding: 18px; }
  .cards-grid, .panel-grid, .form-grid, .checkbox-grid { grid-template-columns: 1fr; }
  .toolbar, .actions-row, .simple-list li, .page-header, .receipt-head, .install-banner__content { flex-direction: column; align-items: stretch; }
  .page-title-row { align-items: flex-start; }
  .page-header h1 { font-size: 24px; }
  .header-statuses { justify-content: flex-start; }
  .install-banner { padding: 14px; }
}
@media (max-width: 640px) {
  body { font-size: 15px; }
  .main-content { padding: 14px; }
  .card { border-radius: 16px; padding: 16px; }
  th, td { padding: 10px 8px; }
  .auth-body { padding: 14px; }
  .auth-card { border-radius: 20px; padding: 18px; }
}
@media print {
  .sidebar, .page-header, .btn-secondary, .btn-primary, .flash, .install-banner, .mobile-backdrop { display: none !important; }
  body, .card { background: #fff; color: #000; box-shadow: none; border-color: #ddd; }
}


.attendance-toolbar-form {
  align-items: end;
}
.attendance-toolbar-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}
.attendance-quick-tools__body {
  display: grid;
  gap: 14px;
}
.attendance-search input {
  min-height: 48px;
}
.attendance-quick-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}
.attendance-roster {
  display: grid;
  gap: 14px;
}
.attendance-card {
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 16px;
  background: rgba(11, 18, 32, 0.75);
  display: grid;
  gap: 14px;
}
.attendance-card__header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
}
.attendance-card__header h3 {
  margin: 0;
  font-size: 18px;
}
.attendance-card__header p {
  margin: 4px 0 0;
  color: var(--muted);
}
.attendance-status-pill.is-present,
.attendance-choice.is-active[data-status-choice="present"] {
  background: rgba(22, 163, 74, 0.18);
  border-color: rgba(22, 163, 74, 0.45);
}
.attendance-status-pill.is-absent,
.attendance-choice.is-active[data-status-choice="absent"] {
  background: rgba(220, 38, 38, 0.18);
  border-color: rgba(220, 38, 38, 0.45);
}
.attendance-status-pill.is-justified,
.attendance-choice.is-active[data-status-choice="justified"] {
  background: rgba(37, 99, 235, 0.18);
  border-color: rgba(37, 99, 235, 0.45);
}
.attendance-choice-group {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}
.attendance-choice {
  min-height: 56px;
  border-radius: 16px;
  border: 1px solid var(--line);
  background: var(--panel-2);
  color: var(--text);
  font-weight: 700;
}
.attendance-choice.is-idle {
  opacity: .88;
}
.attendance-card__footer {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
  align-items: end;
}
.attendance-notes {
  display: grid;
  gap: 8px;
}
.attendance-submit-bar {
  position: sticky;
  bottom: 12px;
  margin-top: 18px;
  padding: 14px;
  border-radius: 18px;
  border: 1px solid rgba(147,197,253,.24);
  background: rgba(17, 24, 39, 0.96);
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
  box-shadow: 0 14px 32px rgba(0, 0, 0, 0.32);
}
.attendance-submit-bar p {
  margin: 6px 0 0;
}
@media (min-width: 981px) {
  .attendance-roster {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}
@media (max-width: 980px) {
  .main-content {
    padding: 16px;
  }
  .attendance-choice-group {
    grid-template-columns: 1fr;
  }
  .attendance-card__footer,
  .attendance-submit-bar,
  .attendance-toolbar-actions {
    grid-template-columns: 1fr;
    display: grid;
  }
  .attendance-submit-bar {
    bottom: 8px;
  }
  .attendance-submit-bar .actions-row {
    justify-content: stretch;
    flex-direction: column;
  }
  .attendance-submit-bar .actions-row button {
    width: 100%;
  }
}
@media (max-width: 680px) {
  .attendance-card {
    padding: 14px;
  }
  .attendance-card__header {
    flex-direction: column;
  }
  .attendance-quick-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
  }
}
@media (max-width: 480px) {
  .attendance-quick-actions {
    grid-template-columns: 1fr;
  }
}


.mobile-tabbar {
  display: none;
}
.page-header {
  position: sticky;
  top: 0;
  z-index: 12;
  padding: 10px 0 12px;
  background: linear-gradient(180deg, rgba(11, 17, 32, 0.98) 0%, rgba(11, 17, 32, 0.9) 75%, rgba(11, 17, 32, 0) 100%);
  backdrop-filter: blur(8px);
}
.table-wrap table.responsive-table {
  min-width: 680px;
}
@media (max-width: 980px) {
  body {
    padding-bottom: calc(82px + env(safe-area-inset-bottom));
  }
  .main-content {
    padding-bottom: calc(92px + env(safe-area-inset-bottom));
  }
  .auth-body {
    padding-bottom: calc(20px + env(safe-area-inset-bottom));
  }
  .toolbar-form > .btn-primary,
  .toolbar-form > .btn-secondary,
  .toolbar-form > a.btn-primary,
  .toolbar-form > a.btn-secondary {
    width: 100%;
  }
  .mobile-tabbar {
    position: fixed;
    left: 12px;
    right: 12px;
    bottom: calc(10px + env(safe-area-inset-bottom));
    z-index: 35;
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 8px;
    padding: 8px;
    border-radius: 22px;
    background: rgba(17, 24, 39, 0.96);
    border: 1px solid rgba(147,197,253,.16);
    box-shadow: 0 18px 44px rgba(0,0,0,.35);
    backdrop-filter: blur(10px);
  }
  .mobile-tabbar__link {
    min-height: 60px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 4px;
    border-radius: 16px;
    color: var(--text);
    background: transparent;
    text-align: center;
    font-size: 22px;
  }
  .mobile-tabbar__link small {
    font-size: 11px;
    color: var(--muted);
  }
  .mobile-tabbar__link.is-active {
    background: rgba(37,99,235,.18);
    outline: 1px solid rgba(147,197,253,.22);
  }
  .mobile-tabbar__link.is-active small,
  .mobile-tabbar__link--primary small {
    color: var(--text);
  }
  .mobile-tabbar__link--primary {
    background: rgba(37,99,235,.14);
  }
  .table-wrap {
    overflow-x: visible;
  }
  .table-wrap table.responsive-table {
    min-width: 0;
    width: 100%;
  }
  .table-wrap table.responsive-table thead {
    display: none;
  }
  .table-wrap table.responsive-table,
  .table-wrap table.responsive-table tbody,
  .table-wrap table.responsive-table tr,
  .table-wrap table.responsive-table td {
    display: block;
    width: 100%;
  }
  .table-wrap table.responsive-table tr {
    padding: 14px;
    border: 1px solid var(--line);
    border-radius: 16px;
    background: rgba(11, 18, 32, 0.66);
    margin-bottom: 12px;
  }
  .table-wrap table.responsive-table td {
    border: 0;
    padding: 8px 0;
  }
  .table-wrap table.responsive-table td::before {
    content: attr(data-label);
    display: block;
    margin-bottom: 4px;
    color: var(--muted);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: .03em;
  }
  .simple-list li {
    padding-bottom: 12px;
  }
  .attendance-submit-bar {
    bottom: calc(88px + env(safe-area-inset-bottom));
  }
}
@media (max-width: 640px) {
  .page-header {
    margin-left: -2px;
    margin-right: -2px;
  }
  .page-header h1 {
    font-size: 22px;
  }
  .status-pill, .tag {
    font-size: 12px;
  }
}