html {
  font-size: 14px;
}

:root {
  --app-ink: #12233d;
  --app-muted: #64748b;
  --app-primary: #0f5f8f;
  --app-primary-dark: #0a4268;
  --app-accent: #d8a33d;
  --app-success: #1f7a4d;
  --app-danger: #b42318;
  --app-surface: #ffffff;
  --app-soft: #eef5f8;
  --app-border: #d5e1e8;
}

@media (min-width: 768px) {
  html {
    font-size: 16px;
  }
}

.btn:focus, .btn:active:focus, .btn-link.nav-link:focus, .form-control:focus, .form-check-input:focus {
  box-shadow: 0 0 0 0.1rem white, 0 0 0 0.25rem #258cfb;
}

html {
  position: relative;
  min-height: 100%;
}

body {
  margin-bottom: 60px;
  color: var(--app-ink);
  background:
    linear-gradient(180deg, #f5fafc 0%, #eef5f8 42%, #f8fbfc 100%);
}

.btn-primary {
  background-color: var(--app-primary);
  border-color: var(--app-primary);
}

.btn-primary:hover,
.btn-primary:focus {
  background-color: var(--app-primary-dark);
  border-color: var(--app-primary-dark);
}

.btn-success {
  background-color: var(--app-success);
  border-color: var(--app-success);
}

.form-control,
.form-select {
  border-color: var(--app-border);
}

.form-control:focus,
.form-select:focus {
  border-color: var(--app-primary);
  box-shadow: 0 0 0 0.2rem rgba(15, 95, 143, 0.18);
}

.form-floating > .form-control-plaintext::placeholder, .form-floating > .form-control::placeholder {
  color: var(--bs-secondary-color);
  text-align: end;
}

.form-floating > .form-control-plaintext:focus::placeholder, .form-floating > .form-control:focus::placeholder {
  text-align: start;
}

.work-surface {
  max-width: 1180px;
  margin: 0 auto;
}

.hero-panel {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 22px;
  margin-bottom: 22px;
  border-radius: 16px;
  color: #fff;
  background:
    radial-gradient(circle at top right, rgba(216, 163, 61, 0.28), transparent 26%),
    linear-gradient(135deg, var(--app-primary-dark), #0d6a7a 56%, #1f7a4d);
  box-shadow: 0 18px 46px rgba(18, 35, 61, 0.16);
}

.hero-panel h1 {
  margin: 10px 0 8px;
  font-size: 34px;
}

.hero-panel p {
  max-width: 720px;
  margin: 0;
  color: rgba(255, 255, 255, 0.82);
}

.hero-tag,
.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 12px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.hero-tag {
  background: rgba(255, 255, 255, 0.16);
}

.hero-bus-card {
  min-width: 200px;
  padding: 18px;
  align-self: flex-start;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.18);
}

.hero-bus-card span,
.hero-bus-card small {
  display: block;
  color: rgba(255, 255, 255, 0.78);
}

.hero-bus-card strong {
  display: block;
  margin: 6px 0 3px;
  font-size: 30px;
}

.dashboard-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
}

.app-brand-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.app-brand-link img,
.brand-mark-inline {
  flex: 0 0 auto;
}

.brand-mark-inline {
  width: 38px;
  height: 38px;
  display: inline-grid;
  place-items: center;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.16);
  color: #fff;
  font-weight: 800;
}

.dashboard-card {
  display: block;
  padding: 18px;
  border-radius: 14px;
  text-decoration: none;
  color: var(--app-ink);
  border: 1px solid var(--app-border);
  background:
    linear-gradient(180deg, #ffffff 0%, #f8fbfc 100%);
  box-shadow: 0 10px 26px rgba(18, 35, 61, 0.06);
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}

.dashboard-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 34px rgba(18, 35, 61, 0.12);
}

.dashboard-card strong,
.dashboard-card span {
  display: block;
}

.dashboard-card strong {
  margin-bottom: 8px;
  font-size: 18px;
}

.dashboard-card span {
  color: var(--app-muted);
}

.page-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
}

.page-head h1 {
  margin: 0;
  font-size: 28px;
  font-weight: 700;
  color: var(--app-ink);
}

.page-head p {
  margin: 4px 0 0;
  color: var(--app-muted);
}

.panel {
  border: 1px solid var(--app-border);
  border-radius: 8px;
  padding: 18px;
  background: var(--app-surface);
  box-shadow: 0 8px 22px rgba(18, 35, 61, 0.06);
}

video {
  width: 100%;
  min-height: 320px;
  max-height: 560px;
  object-fit: cover;
  border-radius: 8px;
  background: #111827;
}

.metric-row,
.metric-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.metric-row > div,
.metric-grid > div,
.metric-button {
  border: 1px solid var(--app-border);
  border-radius: 8px;
  padding: 12px;
  background: #f8fbfc;
  text-align: left;
}

.metric-row span,
.metric-grid span,
.metric-button span {
  display: block;
  color: var(--app-muted);
  font-size: 13px;
}

.metric-row strong,
.metric-grid strong,
.metric-button strong {
  display: block;
  color: var(--app-ink);
  font-size: 24px;
  line-height: 1.1;
}

.metric-button {
  cursor: pointer;
}

.student-box {
  align-items: center;
  gap: 12px;
  border: 1px solid var(--app-border);
  border-radius: 8px;
  padding: 12px;
  background: #f8fbfc;
}

.student-box img {
  width: 86px;
  height: 86px;
  object-fit: cover;
  border-radius: 6px;
  background: #e5e7eb;
}

.student-box h2,
.section-title {
  margin: 0;
  font-size: 18px;
}

.student-box p {
  margin: 4px 0 0;
  color: var(--app-muted);
}

.mini-copy {
  margin-top: 8px;
  color: var(--app-muted);
  font-size: 13px;
}

.chip-blue {
  margin-top: 8px;
  background: #e6f0ff;
  color: #1e4fbf;
}

.status-pill,
.last-admission {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  border-radius: 999px;
  padding: 6px 12px;
  background: var(--app-soft);
  color: var(--app-ink);
  font-weight: 600;
}

.status-pill.ok {
  background: #e7f7ec;
  color: var(--app-success);
}

.message,
.result-box {
  margin-top: 12px;
  min-height: 28px;
  color: var(--app-ink);
}

.message.success {
  color: var(--app-success);
}

.message.error {
  color: var(--app-danger);
}

.message.info {
  color: var(--app-primary);
}

.result-box.success {
  color: var(--app-success);
  font-weight: 700;
}

.result-box.error {
  color: var(--app-danger);
  font-weight: 700;
}

.camera-tools {
  display: grid;
  grid-template-columns: 86px minmax(0, 1fr);
  align-items: center;
  gap: 10px;
}

.camera-tools .form-label {
  margin: 0;
  font-weight: 700;
  color: var(--app-muted);
}

.bus-shift-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.shift-card {
  border: 1px solid var(--app-border);
  border-radius: 10px;
  padding: 12px;
  background: #f8fbfc;
}

.shift-card-head span,
.shift-card-head strong {
  display: block;
}

.shift-card-head span {
  color: var(--app-muted);
  font-size: 13px;
}

.shift-card-head strong {
  margin: 4px 0 10px;
  font-size: 22px;
}

#qrVideo {
  min-height: 260px;
}

.status-list {
  margin-top: 12px;
}

.status-row {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 0;
  border-bottom: 1px solid #edf0f5;
}

.status-row strong,
.status-row span {
  display: block;
}

.status-row span {
  color: var(--app-muted);
  font-size: 13px;
}

.status-times {
  min-width: 88px;
  text-align: right;
}

.status-actions {
  display: flex;
  gap: 8px;
  align-items: flex-start;
}

.status-green strong,
.result-box.status-green {
  color: var(--app-success);
}

.status-red strong,
.result-box.status-red {
  color: var(--app-danger);
}

.status-blue strong,
.result-box.status-blue {
  color: #2463eb;
}

.report-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.marked-list {
  max-height: 280px;
  overflow: auto;
  margin-top: 12px;
}

.marked-list > div,
.bus-row,
.history-row {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid #edf0f5;
}

.marked-list span,
.bus-row span,
.history-row span {
  display: block;
  color: var(--app-muted);
  font-size: 13px;
}

.bus-counts {
  text-align: right;
}

.history-meta {
  min-width: 180px;
  text-align: right;
}

.settings-check-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 10px;
}

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

.import-card {
  border: 1px solid var(--app-border);
  border-radius: 10px;
  padding: 14px;
  background: #f8fbfc;
}

.import-card strong,
.import-card span {
  display: block;
}

.import-card span {
  color: var(--app-muted);
  margin-top: 6px;
}

.home-menu {
  max-width: 760px;
  margin: 60px auto;
}

.home-menu > div {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-top: 28px;
}

.app-navbar {
  background: linear-gradient(90deg, var(--app-primary-dark), var(--app-primary));
  box-shadow: 0 8px 22px rgba(18, 35, 61, 0.14);
}

.app-navbar .navbar-brand,
.app-navbar .nav-link {
  color: #fff;
}

.app-navbar .navbar-brand {
  font-weight: 700;
}

.app-navbar .nav-link {
  opacity: 0.92;
}

.app-navbar .nav-link:hover,
.app-navbar .nav-link:focus {
  color: #fff;
  opacity: 1;
}

.app-footer {
  color: var(--app-muted);
}

.session-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #fff;
  font-size: 13px;
}

.session-bar > span {
  padding: 5px 10px;
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.12);
}

.login-body {
  min-height: 100vh;
  margin: 0;
  display: grid;
  place-items: center;
  background:
    radial-gradient(circle at 20% 20%, rgba(216, 163, 61, 0.18), transparent 28%),
    linear-gradient(135deg, var(--app-primary-dark), var(--app-primary) 58%, #1f7a4d);
}

.login-shell {
  width: min(960px, calc(100vw - 28px));
  display: grid;
  grid-template-columns: minmax(0, 1fr) 390px;
  overflow: hidden;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 28px 70px rgba(0, 0, 0, 0.24);
}

.login-brand {
  padding: 42px;
  color: #fff;
  background:
    linear-gradient(150deg, rgba(10, 66, 104, 0.98), rgba(15, 95, 143, 0.94)),
    linear-gradient(45deg, rgba(216, 163, 61, 0.16), transparent);
}

.brand-mark {
  width: 58px;
  height: 58px;
  display: grid;
  place-items: center;
  border-radius: 14px;
  background: var(--app-accent);
  color: var(--app-ink);
  font-weight: 800;
  font-size: 20px;
}

.login-brand h1 {
  margin: 26px 0 10px;
  max-width: 460px;
  font-size: 34px;
  font-weight: 800;
}

.login-brand p {
  max-width: 460px;
  color: rgba(255, 255, 255, 0.84);
}

.login-session-note {
  display: inline-flex;
  margin-top: 24px;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.14);
  border: 1px solid rgba(255, 255, 255, 0.24);
}

.login-card {
  padding: 42px 34px;
}

.login-card h2 {
  margin: 0;
  font-size: 26px;
  font-weight: 800;
  color: var(--app-ink);
}

.login-card p {
  margin: 6px 0 24px;
  color: var(--app-muted);
}

.maui-camera-page {
  max-width: 760px;
  min-height: calc(100vh - 120px);
  overflow: hidden;
}

.maui-camera-page .page-head {
  align-items: flex-start;
  margin-bottom: 12px;
}

.maui-camera-page .page-head h1 {
  font-size: 22px;
}

.maui-camera-page .page-head p {
  font-size: 13px;
}

.maui-camera-page .panel {
  padding: 12px;
}

.registration-shell {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  gap: 12px;
  min-height: calc(100vh - 190px);
}

.registration-fixed-panel {
  flex: 0 0 auto;
}

.registration-camera-wrap {
  display: grid;
  gap: 10px;
}

.registration-details-panel {
  min-height: 0;
  overflow-y: auto;
}

.maui-camera-page video {
  display: block;
  width: 100%;
  height: min(62vh, 520px);
  min-height: 360px;
  object-fit: cover;
}

.compact-panel .form-label {
  margin-bottom: 6px;
  font-weight: 600;
}

.compact-panel hr {
  margin: 14px 0;
}

.app-popup {
  position: fixed;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 18px;
  background: rgba(15, 23, 42, 0.5);
  z-index: 1050;
}

.app-popup.show {
  display: flex;
}

.app-popup-card {
  width: min(440px, 100%);
  max-height: min(82vh, 620px);
  overflow: auto;
  border-radius: 16px;
  padding: 18px;
  background: #fff;
  box-shadow: 0 24px 50px rgba(15, 23, 42, 0.24);
}

.app-popup-card h2 {
  margin: 0 0 8px;
  font-size: 22px;
}

.app-popup-card p {
  color: var(--app-muted);
}

.app-popup-card img {
  width: 100%;
  max-height: 220px;
  object-fit: contain;
  border-radius: 10px;
  background: #f8fbfc;
}

@media (max-width: 576px) {
  body {
    margin-bottom: 24px;
  }

  .container {
    padding-left: 10px;
    padding-right: 10px;
  }

  .maui-camera-page .page-head {
    gap: 10px;
  }

  .maui-camera-page .page-head h1 {
    font-size: 20px;
  }

  .maui-camera-page .page-head .btn {
    padding: 6px 10px;
    font-size: 13px;
  }

  .maui-camera-page .panel {
    border-radius: 6px;
    padding: 10px;
  }

  .registration-shell {
    min-height: calc(100vh - 140px);
  }

  .maui-camera-page video {
    height: 34vh;
    min-height: 220px;
  }

  .metric-row,
  .metric-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
  }

  .metric-row strong,
  .metric-grid strong,
  .metric-button strong {
    font-size: 20px;
  }

  .session-bar {
    align-items: flex-start;
    flex-wrap: wrap;
    margin-top: 10px;
  }

  .status-row,
  .hero-panel,
  .history-row {
    flex-direction: column;
  }

  .bus-shift-grid {
    grid-template-columns: 1fr;
  }

  .status-times {
    text-align: left;
  }

  .status-actions {
    justify-content: flex-start;
  }

  .history-meta {
    min-width: 0;
    text-align: left;
  }

  .maui-camera-page {
    min-height: calc(100vh - 90px);
  }

  .registration-shell {
    gap: 10px;
  }
}

@media (max-width: 800px) {
  .login-shell {
    grid-template-columns: 1fr;
  }

  .login-brand,
  .login-card {
    padding: 28px 22px;
  }

  .login-brand h1 {
    font-size: 28px;
  }
}