:root {
  color-scheme: light;
  --bg: #f3f0ea;
  --ink: #1f1c16;
  --accent: #0b4f6c;
  --accent-2: #f2b705;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "IBM Plex Serif", "Georgia", serif;
  color: var(--ink);
  background:
    radial-gradient(900px 500px at 10% 10%, #fff7e0 0%, transparent 60%),
    radial-gradient(700px 400px at 90% 15%, #e0f2f8 0%, transparent 65%),
    var(--bg);
  min-height: 100vh;
}

.frame {
  max-width: 980px;
  margin: 0 auto;
  padding: 8px 24px 96px;
}

.admin-page .frame {
  max-width: 100%;
}

header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand-block {
  display: grid;
  grid-template-columns: auto auto auto;
  align-items: center;
  column-gap: 16px;
  margin: 0;
  padding: 0;
  line-height: 1;
}

.brand-divider {
  font-size: 82px;
  line-height: 1;
  color: var(--ink);
  font-weight: 10;
}

.brand-logo {
  width: 380px;
  height: auto;
}

.brand-link {
  display: inline-flex;
  align-items: center;
}

.brand-text {
  font-family: "Montserrat", "IBM Plex Sans", "Verdana", sans-serif;
  font-size: 2rem;
  font-weight: 300;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.brand {
  font-size: clamp(2.2rem, 4vw, 3.2rem);
  letter-spacing: 0.02em;
  margin: 0;
}

.tagline {
  margin: 8px 0 0;
  font-family: "IBM Plex Sans", "Verdana", sans-serif;
  font-size: 1rem;
  opacity: 0.8;
}

.hero {
  display: grid;
  grid-template-columns: minmax(260px, 1fr) minmax(260px, 1fr);
  gap: 32px;
  margin-top: 28px;
}

.hero-note {
  display: flex;
  flex-direction: column;
  justify-content: center;
  background: #f7f4ee;
  border: 1px solid #e6ddd1;
  box-shadow: 0 10px 22px rgba(15, 20, 25, 0.08);
}

.hero-note h2 {
  margin-bottom: 12px;
}

.hero-note p:last-of-type {
  margin-bottom: 0;
}

.hero-video {
  margin-top: 16px;
  padding: 0;
  background: transparent;
  border: none;
  box-shadow: none;
}

.hero-video video {
  display: block;
  width: 100%;
  max-width: 760px;
  margin: 0 auto;
  border-radius: 14px;
  background: #000;
}

.hero-video h2 {
  text-align: center;
}

.form-card {
  margin-top: 28px;
  background: #fff;
  border-radius: 24px;
  padding: 32px;
  box-shadow: 0 18px 40px rgba(15, 20, 25, 0.12);
}

.form-card.admin-dashboard {
  max-width: 100%;
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  font-family: "IBM Plex Sans", "Verdana", sans-serif;
  font-size: 0.95rem;
  color: var(--accent);
  margin-bottom: 12px;
}

.form-title {
  margin: 0 0 8px;
  font-size: 2rem;
}

.form-subtitle {
  margin: 0 0 0px;
  font-family: "IBM Plex Sans", "Verdana", sans-serif;
  opacity: 0.75;
}

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

.form-row {
  display: grid;
  gap: 8px;
  font-family: "IBM Plex Sans", "Verdana", sans-serif;
}

.form-row label {
  font-size: 0.95rem;
  letter-spacing: 0.02em;
}

.form-row input,
.form-row textarea,
.form-row select {
  border: 1px solid #e2dacf;
  border-radius: 14px;
  padding: 12px 14px;
  font-family: "IBM Plex Sans", "Verdana", sans-serif;
  font-size: 1rem;
}

.form-row textarea {
  resize: vertical;
}

.date-fields {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 12px;
}

.form-status {
  margin: 0;
  font-family: "IBM Plex Sans", "Verdana", sans-serif;
  font-size: 0.95rem;
  min-height: 1.2em;
}

.form-status.is-success {
  color: #2f9e44;
}

.form-status.is-error {
  color: #e03131;
}

.admin-hint {
  margin: 0;
  font-family: "IBM Plex Sans", "Verdana", sans-serif;
  font-size: 0.9rem;
  color: #6e665a;
}

.booking-form button[disabled] {
  opacity: 0.7;
  cursor: not-allowed;
}

.admin-header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.admin-header-actions {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.admin-datetime {
  margin: 6px 0 16px;
  font-family: "IBM Plex Sans", "Verdana", sans-serif;
  color: #6e665a;
  font-size: 0.95rem;
}

.admin-bookings {
  margin-top: 16px;
  font-family: "IBM Plex Sans", "Verdana", sans-serif;
}

.admin-assign {
  display: grid;
  gap: 6px;
  margin: 10px 0 4px;
  font-family: "IBM Plex Sans", "Verdana", sans-serif;
}

.admin-assign select {
  border: 1px solid #e2dacf;
  border-radius: 12px;
  padding: 8px 10px;
  font-family: inherit;
}

.admin-panel {
  margin-top: 16px;
  display: grid;
  gap: 20px;
}

.admin-panel--split {
  grid-template-columns: minmax(0, 0.3fr) minmax(0, 0.7fr);
  align-items: start;
}

.admin-bookings-column {
  display: flex;
  flex-direction: column;
}

.admin-pagination {
  display: flex;
  gap: 12px;
  align-items: center;
  margin-top: 12px;
  font-family: "IBM Plex Sans", "Verdana", sans-serif;
  justify-content: flex-end;
}

.admin-pagination .button {
  border: none;
  box-shadow: none;
  background: transparent;
  padding: 6px 10px;
  min-width: auto;
  outline: none;
}

.admin-pagination .page-info {
  display: none;
}

.week-slot {
  display: flex;
  flex-direction: column;
  gap: 6px;
  align-items: stretch;
  margin-top: 8px;
}

.week-pill {
  display: block;
  width: 100%;
  min-height: 14px;
  border-radius: 999px;
  background: #2f9e44;
}

.week-pill.unavailable {
  background: #e03131;
}

.admin-side {
  display: grid;
  gap: 16px;
}

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

.admin-tab {
  border: 1px solid #d2c7bb;
  border-radius: 999px;
  padding: 8px 18px;
  background: #fff;
  font-family: "IBM Plex Sans", "Verdana", sans-serif;
  font-size: 0.95rem;
  cursor: pointer;
  color: var(--ink);
}

.admin-tab.is-active {
  background: #0b4f6c;
  color: #fff;
  border-color: transparent;
}

.admin-tab-panels {
  display: grid;
}

.admin-tab-panel {
  display: none;
}

.admin-tab-panel.is-active {
  display: block;
}

.admin-teachers {
  background: #fff;
  border-radius: 18px;
  padding: 20px;
  border: 1px solid #e2dacf;
  font-family: "IBM Plex Sans", "Verdana", sans-serif;
}

.admin-assignee {
  background: #fff;
  border-radius: 18px;
  padding: 20px;
  border: 1px solid #e2dacf;
  font-family: "IBM Plex Sans", "Verdana", sans-serif;
}

.assignee-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 12px;
}

.assignee-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 12px;
}

.assignee-chip {
  border: 1px solid #d2c7bb;
  border-radius: 10px;
  background: #fff;
  color: var(--ink);
  font-family: "IBM Plex Sans", "Verdana", sans-serif;
  font-size: 0.9rem;
  padding: 6px 12px;
  cursor: pointer;
}

.assignee-chip.is-active {
  background: #0b4f6c;
  color: #fff;
  border-color: transparent;
}

.assignee-chip:focus {
  outline: 2px solid rgba(11, 79, 108, 0.2);
  outline-offset: 2px;
}

.button.secondary.assignee-remove-btn {
  border-color: #c84630;
  background: #c84630;
  color: #fff;
}

.button.secondary.assignee-remove-btn:hover {
  background: #a73525;
  border-color: #a73525;
  color: #fff;
}

.assignee-group {
  display: grid;
  gap: 6px;
}

.assignee-booking {
  font-size: 0.9rem;
  color: #3a3127;
  border: 1px solid #e2dacf;
  border-radius: 12px;
  background: #fff7ee;
  padding: 10px 12px;
}

.assignee-reassign {
  margin-top: 8px;
  display: flex;
  gap: 8px;
  align-items: center;
}

.assignee-reassign-select {
  display: none;
  border: 1px solid #e2dacf;
  border-radius: 10px;
  padding: 6px 10px;
  font-family: "IBM Plex Sans", "Verdana", sans-serif;
}

.assignee-booking.is-reassigning .assignee-reassign-select {
  display: inline-flex;
}

.assignee-school {
  font-weight: 700;
  font-size: 0.95rem;
  margin-bottom: 4px;
}

.assignee-empty {
  font-size: 0.85rem;
  color: #6e665a;
}

.admin-teachers h2 {
  margin: 0 0 12px;
  font-size: 1.1rem;
}

.admin-teachers p {
  margin: 0;
  color: #6e665a;
}

.teacher-form {
  display: grid;
  gap: 8px;
  font-family: "IBM Plex Sans", "Verdana", sans-serif;
}

.teacher-inputs {
  display: flex;
  gap: 10px;
  align-items: center;
}

.teacher-inputs input {
  flex: 1;
  border: 1px solid #e2dacf;
  border-radius: 12px;
  padding: 10px 12px;
  font-family: "IBM Plex Sans", "Verdana", sans-serif;
}

.teacher-list {
  list-style: none;
  padding: 0;
  margin: 12px 0 0;
  display: grid;
  gap: 8px;
  font-family: "IBM Plex Sans", "Verdana", sans-serif;
}

.teacher-list li {
  padding: 8px 10px;
  border-radius: 10px;
  background: #f9f6f1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.teacher-location-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 0.85rem;
  color: #6e665a;
}

.teacher-actions {
  display: inline-flex;
  gap: 8px;
}

.teacher-location {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border: 1px solid #e2dacf;
  border-radius: 999px;
  padding: 4px 8px;
  background: #fff;
}

.teacher-location input {
  margin: 0;
}

.teacher-location.is-unavailable,
.booking-form label.is-unavailable {
  position: relative;
  opacity: 0.6;
  text-decoration: line-through;
}

.booking-form label.is-unavailable .option-note {
  margin-left: 8px;
  font-size: 0.85rem;
  color: #e03131;
  font-weight: 600;
}

.teacher-list li:not(.is-editing) .teacher-location {
  opacity: 0.6;
}

.admin-booking {
  padding: 12px 14px;
  border-radius: 12px;
  background: #f9f6f1;
  margin-bottom: 10px;
}

.admin-booking-actions {
  margin-top: 10px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.admin-booking-actions .button.secondary {
  border-color: #9e9e9e;
  color: #5b5b5b;
}

.admin-booking-actions .admin-approve {
  background: #2f9e44;
  box-shadow: 0 12px 22px rgba(47, 158, 68, 0.25);
  color: #fff;
}

.button.primary.admin-approve {
  background: #2f9e44;
  box-shadow: 0 12px 22px rgba(47, 158, 68, 0.25);
  color: #fff;
}

.admin-booking-actions .admin-remove {
  border-color: #1f7ae0;
  color: #1f7ae0;
}

.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(31, 28, 22, 0.45);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2000;
}

.modal-dialog {
  background: #fff;
  max-width: 420px;
  width: calc(100% - 48px);
  padding: 24px;
  border-radius: 18px;
  box-shadow: 0 24px 60px rgba(15, 20, 25, 0.28);
  font-family: "IBM Plex Sans", "Verdana", sans-serif;
}

.modal-dialog h2 {
  margin: 0 0 12px;
  font-size: 1.25rem;
}

.modal-dialog p {
  margin: 0 0 20px;
  line-height: 1.5;
}

.modal-actions {
  display: flex;
  justify-content: flex-end;
}

.app-loader {
  position: fixed;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  background: rgba(20, 24, 28, 0.38);
  z-index: 4000;
}

.app-loader.is-visible {
  display: flex;
}

.app-loader-panel {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  border-radius: 12px;
  background: #ffffff;
  border: 1px solid #e2dacf;
  box-shadow: 0 10px 28px rgba(15, 20, 25, 0.2);
  font-family: "IBM Plex Sans", "Verdana", sans-serif;
  font-weight: 600;
  color: #1f2f3d;
}

.app-loader-spinner {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  border: 2px solid #0b4f6c;
  border-top-color: transparent;
  animation: app-loader-spin 0.8s linear infinite;
}

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

.timetable-modal {
  position: fixed;
  inset: 0;
  display: none;
  align-items: stretch;
  justify-content: stretch;
  padding: 0;
  background: rgba(31, 28, 22, 0.45);
  z-index: 1300;
}

.timetable-modal.is-open {
  display: flex;
}

.timetable-modal-dialog {
  width: 100vw;
  height: 100vh;
  max-height: 100vh;
  overflow: auto;
  background: #fff;
  border-radius: 0;
  padding: 22px 32px;
  border: none;
}

.timetable-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.timetable-modal-header h2 {
  margin: 0;
}

.timetable-toolbar {
  margin-top: 12px;
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: "IBM Plex Sans", "Verdana", sans-serif;
}

.timetable-toolbar select {
  border: 1px solid #e2dacf;
  border-radius: 12px;
  padding: 8px 10px;
  font-family: inherit;
}

.timetable-toolbar input[type="number"] {
  border: 1px solid #e2dacf;
  border-radius: 12px;
  padding: 8px 10px;
  width: 120px;
  font-family: inherit;
}

.admin-term-grid {
  margin-top: 14px;
  margin-left: 0;
  display: grid;
  gap: 16px;
}

.admin-term-grid .term-row {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 16px;
  align-items: start;
}

.admin-term-grid .term-label-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-height: 42px;
  padding: 4px 0;
}

.admin-term-grid .term-label {
  font-family: "IBM Plex Sans", "Verdana", sans-serif;
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #6e665a;
  white-space: nowrap;
}

.admin-term-grid .timetable-add-week {
  min-width: 34px;
  height: 34px;
  padding: 0;
  border-radius: 10px;
}

.admin-term-grid .week-grid {
  display: grid;
  grid-template-columns: repeat(var(--week-columns, 11), minmax(86px, 1fr));
  border: 1px solid #e2dacf;
  background: #fff;
}

.admin-term-grid .week-cell {
  border-right: 1px solid #e2dacf;
  border-bottom: 1px solid #e2dacf;
  padding: 8px 6px 12px;
  text-align: center;
  font-family: "IBM Plex Sans", "Verdana", sans-serif;
}

.admin-term-grid .week-date input[type="date"] {
  width: 100%;
  border: 1px solid #d8cec1;
  border-radius: 8px;
  padding: 4px 6px;
  font-family: inherit;
  font-size: 0.82rem;
}

.admin-term-grid .timetable-remove-week {
  margin-top: 8px;
  min-height: 30px;
  padding: 5px 10px;
  border-radius: 8px;
  font-size: 0.78rem;
}

.admin-term-grid .week-cell:last-child {
  border-right: none;
}

.admin-term-grid .week-slot {
  margin-top: 8px;
  min-height: 18px;
  border-radius: 999px;
  background: #2f9e44;
  cursor: pointer;
}

.admin-term-grid .week-slot.is-unavailable {
  background: #e03131;
}

.admin-term-grid .week-slot.is-edited {
  outline: 2px solid #0b4f6c;
  outline-offset: 2px;
}

.admin-term-grid .week-school-list {
  margin-top: 6px;
  display: grid;
  gap: 4px;
}

.admin-term-grid .week-school-item {
  font-family: "IBM Plex Sans", "Verdana", sans-serif;
  font-size: 0.72rem;
  line-height: 1.25;
  color: #7a241c;
  background: #fff3f1;
  border: 1px solid #f0cbc6;
  border-radius: 6px;
  padding: 3px 5px;
  text-align: left;
}

.timetable-modal-actions {
  margin-top: 16px;
  display: flex;
  justify-content: flex-end;
  gap: 10px;
}
.card {
  background: #fff;
  border-radius: 24px;
  padding: 28px;
  box-shadow: 0 18px 40px rgba(15, 20, 25, 0.12);
}

.card h2 {
  margin: 0 0 12px;
  font-size: 1.5rem;
}

.card p {
  margin: 0 0 20px;
  line-height: 1.6;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 18px;
  border-radius: 999px;
  text-decoration: none;
  font-family: "IBM Plex Sans", "Verdana", sans-serif;
  font-weight: 600;
  letter-spacing: 0.02em;
  transition:
    transform 0.2s ease,
    box-shadow 0.2s ease;
}

button.button {
  border: none;
  cursor: pointer;
}

.stacked-actions {
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: flex-start;
}

.admin-only {
  display: none;
}
.date-range input.is-highlight {
  outline: 2px solid var(--accent-2);
  box-shadow: 0 0 0 4px rgba(242, 183, 5, 0.25);
}

.book-now {
  display: none;
}

.admin-link {
  margin-top: 18px;
  font-family: "IBM Plex Sans", "Verdana", sans-serif;
}

.admin-link a {
  color: var(--accent);
  text-decoration: none;
  font-weight: 600;
}

.admin-link a:hover {
  text-decoration: underline;
}

.button.primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 12px 22px rgba(11, 79, 108, 0.3);
}

.button.secondary {
  background: #fff;
  color: var(--accent);
  border: 2px solid var(--accent);
}

.button:hover {
  transform: translateY(-2px);
}

.panel {
  margin-top: 32px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
}

.panel div {
  background: #ffffffd9;
  border-radius: 16px;
  padding: 18px;
  border: 1px solid #e2dacf;
  font-family: "IBM Plex Sans", "Verdana", sans-serif;
}

.panel h3 {
  margin: 0 0 8px;
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

@media (max-width: 860px) {
  .admin-panel {
    grid-template-columns: 1fr;
  }
}

.panel p {
  margin: 0;
  font-size: 0.95rem;
}

footer {
  margin-top: 56px;
  font-family: "IBM Plex Sans", "Verdana", sans-serif;
  font-size: 0.9rem;
  opacity: 0.7;
}

@media (max-width: 820px) {
  .hero {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 1024px) {
  .frame {
    padding: 6px 20px 72px;
  }

  .brand-block {
    column-gap: 10px;
  }

  .brand-logo {
    width: 310px;
  }

  .brand-divider {
    font-size: 58px;
  }

  .brand-text {
    font-size: 1.6rem;
  }

  .hero {
    gap: 20px;
  }

  .admin-panel--split {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .frame {
    padding: 6px 16px 56px;
  }

  .brand-block {
    grid-template-columns: 1fr;
    row-gap: 8px;
  }

  .brand-divider {
    display: none;
  }

  .brand-logo {
    width: 260px;
  }

  .brand-text {
    font-size: 1.25rem;
    letter-spacing: 0.05em;
  }

  .card {
    padding: 20px;
  }

  .button {
    width: 100%;
  }

  .stacked-actions {
    width: 100%;
    align-items: stretch;
  }

  .modal-dialog {
    width: calc(100% - 24px);
    padding: 18px;
  }

  .location-row {
    grid-template-columns: 1fr;
    gap: 10px;
    max-width: 420px;
    width: 100%;
  }

  .teacher-inputs {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .frame {
    padding: 4px 12px 44px;
  }

  .brand-logo {
    width: 220px;
  }

  .brand-text {
    font-size: 1rem;
  }

  .card,
  .admin-teachers,
  .admin-assignee {
    padding: 14px;
    border-radius: 14px;
  }

  .week-grid {
    gap: 6px;
  }

  .week-cell {
    padding: 8px;
  }

  .week-date {
    font-size: 1.2rem;
  }

  .assignee-chips {
    gap: 6px;
  }
}