/* =========================================================
   AkademiBook — gaya asas
   Mobile-first: gaya utama untuk telefon, kemudian dibesarkan
   untuk tablet dan desktop melalui @media di bawah.
   ========================================================= */

/* ---------- Token reka bentuk (warna, jarak, bucu) ---------- */
:root {
  --color-primary: #2453a6;
  --color-primary-hover: #1b4087;
  --color-primary-soft: #eaf0fb;
  --color-bg: #f5f7fb;
  --color-surface: #ffffff;
  --color-text: #1f2937;
  --color-muted: #5b6474;
  --color-border: #e3e8f0;
  --color-badge-bg: #fef3d7;
  --color-badge-text: #7a5300;
  --color-focus: #f5b83d;

  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 32px;
  --space-7: 48px;

  --radius: 12px;
  --radius-small: 8px;
  --shadow-card: 0 1px 2px rgba(31, 41, 55, 0.06), 0 4px 12px rgba(31, 41, 55, 0.06);

  --font-body: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

/* ---------- Asas ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.5;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-text-size-adjust: 100%;
  /* Footer sentiasa di bawah walaupun kandungan pendek */
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

main {
  flex: 1;
}

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

/* Pastikan elemen [hidden] sentiasa tersembunyi walaupun ada class lain */
[hidden] {
  display: none !important;
}

.container {
  width: 100%;
  max-width: 960px;
  margin: 0 auto;
  padding: 0 var(--space-4);
}

/* ---------- Header ---------- */
.site-header {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
}

.site-header__inner {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  min-height: 64px;
}

.brand-logo {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--color-primary);
  color: #ffffff;
  font-weight: 700;
  font-size: 15px;
}

.brand-name {
  font-weight: 700;
  font-size: 17px;
}

/* Logo yang dimuat naik di Tetapan: ikut bentuk asal logo (tidak dipotong bulat) */
.brand-logo--image {
  width: auto;
  max-width: 120px;
  border-radius: 0;
  background: none;
  object-fit: contain;
}

/* Sementara nama dan logo dimuatkan daripada Tetapan (lihat js/branding.js) */
.branding-pending .brand-logo,
.branding-pending .brand-name {
  visibility: hidden;
}

.site-header__action {
  margin-left: auto;
}

/* ---------- Hero ---------- */
.hero {
  background: var(--color-primary-soft);
  padding: var(--space-6) 0;
}

.hero__title {
  font-size: 28px;
  line-height: 1.2;
  color: var(--color-primary);
  margin-bottom: var(--space-3);
}

.hero__text {
  color: var(--color-muted);
  max-width: 560px;
}

/* ---------- Senarai kelas ---------- */
.classes {
  padding: var(--space-6) 0 var(--space-7);
}

.section-title {
  font-size: 20px;
  margin-bottom: var(--space-4);
}

.class-list {
  display: grid;
  gap: var(--space-4);
}

.class-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  padding: var(--space-5);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
}

.class-card__name {
  font-size: 18px;
}

.class-card__description {
  color: var(--color-muted);
}

.class-card__meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  margin: var(--space-1) 0 var(--space-2);
}

.class-card__price {
  font-size: 22px;
  font-weight: 700;
}

.class-card__unit {
  font-size: 15px;
  font-weight: 400;
  color: var(--color-muted);
}

/* ---------- Komponen: badge ---------- */
.badge {
  display: inline-block;
  padding: var(--space-1) var(--space-3);
  border-radius: 999px;
  background: var(--color-badge-bg);
  color: var(--color-badge-text);
  font-size: 14px;
  font-weight: 600;
}

.badge--success {
  background: #e3f5ea;
  color: #17663a;
}

.badge--muted {
  background: #eceff3;
  color: #4b5563;
}

/* ---------- Komponen: button ---------- */
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px; /* cukup besar untuk ditekan dengan jari */
  padding: var(--space-3) var(--space-5);
  border: 0;
  border-radius: var(--radius-small);
  font: inherit;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
}

.button--primary {
  background: var(--color-primary);
  color: #ffffff;
}

.button--primary:hover {
  background: var(--color-primary-hover);
}

.button--secondary {
  background: var(--color-surface);
  color: var(--color-primary);
  border: 1px solid var(--color-border);
}

.button--secondary:hover {
  background: var(--color-primary-soft);
}

.button--small {
  min-height: 44px;
  padding: var(--space-2) var(--space-4);
  font-size: 15px;
}

.button--block {
  width: 100%;
}

.button:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.button:focus-visible {
  outline: 3px solid var(--color-focus);
  outline-offset: 2px;
}

/* ---------- Komponen: card umum ---------- */
.card {
  padding: var(--space-5);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
}

.card__title {
  font-size: 22px;
  margin-bottom: var(--space-1);
}

.card__subtitle {
  color: var(--color-muted);
  margin-bottom: var(--space-5);
}

/* ---------- Komponen: borang ---------- */
.form {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.form-field label {
  font-weight: 600;
}

.form-field input,
.form-field textarea,
.form-field select {
  min-height: 48px;
  padding: var(--space-3) var(--space-4);
  border: 1px solid #c5cdd9;
  border-radius: var(--radius-small);
  background: var(--color-surface);
  color: var(--color-text);
  font: inherit;
}

.form-field textarea {
  resize: vertical;
}

.form-field input:focus-visible,
.form-field textarea:focus-visible,
.form-field select:focus-visible {
  outline: 3px solid var(--color-focus);
  outline-offset: 1px;
  border-color: var(--color-primary);
}

.form-field [aria-invalid="true"] {
  border-color: #c53030;
}

.form-optional {
  font-weight: 400;
  color: var(--color-muted);
}

.form-hint {
  font-size: 14px;
  color: var(--color-muted);
}

.field-error {
  font-size: 14px;
  font-weight: 600;
  color: #9b1c1c;
}

.form-row {
  display: grid;
  gap: var(--space-4);
}

.form-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

/* ---------- Komponen: mesej ---------- */
.alert {
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-small);
  margin-bottom: var(--space-4);
}

.alert--error {
  background: #fdecec;
  border: 1px solid #f3c2c2;
  color: #9b1c1c;
}

.alert--success {
  background: #e8f6ee;
  border: 1px solid #b7e1c6;
  color: #17663a;
}

.loading-text {
  color: var(--color-muted);
  padding: var(--space-5) 0;
}

/* ---------- Halaman login & admin ---------- */
.container--narrow {
  max-width: 440px;
}

.auth-page {
  padding: var(--space-6) 0 var(--space-7);
}

.admin-page {
  padding: var(--space-5) 0 var(--space-7);
}

.page-title {
  font-size: 24px;
  margin-bottom: var(--space-3);
}

.admin-page .card {
  margin-top: var(--space-4);
}

/* Menu admin: pada skrin kecil, pautan turun ke baris kedua supaya semua pautan sentiasa kelihatan */
.admin-nav {
  border-top: 1px solid var(--color-border);
}

.admin-nav__inner {
  display: flex;
  flex-wrap: wrap;
  gap: 0 var(--space-1);
}

.admin-nav__link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 var(--space-3);
  border-bottom: 3px solid transparent;
  color: var(--color-muted);
  font-weight: 600;
  text-decoration: none;
  white-space: nowrap;
}

.admin-nav__link[aria-current="page"] {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
}

.admin-nav__link:focus-visible {
  outline: 3px solid var(--color-focus);
  outline-offset: -3px;
}

.page-header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}

.page-header .page-title {
  margin-bottom: 0;
}

.form-card {
  margin-bottom: var(--space-5);
}

.admin-page .form-card {
  margin-top: 0;
}

.form-card .card__title {
  margin-bottom: var(--space-4);
}

.form-card .card__subtitle {
  margin-top: calc(-1 * var(--space-3));
  margin-bottom: var(--space-4);
}

.class-picker {
  margin-bottom: var(--space-4);
}

/* Senarai item admin (contoh: kelas) */
.admin-list {
  display: grid;
  gap: var(--space-3);
}

.admin-item {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-2);
  padding: var(--space-4);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
}

.admin-item__header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-3);
  width: 100%;
}

.admin-item__title {
  font-size: 17px;
}

.admin-item__meta {
  font-weight: 600;
}

.admin-item__description {
  color: var(--color-muted);
}

.empty-state {
  text-align: center;
}

.empty-state__text {
  color: var(--color-muted);
  margin-bottom: var(--space-4);
}

/* ---------- Ketersediaan kelas (homepage) ---------- */
.availability {
  font-size: 14px;
  font-weight: 600;
}

.availability--open {
  color: #17663a;
}

.availability--none {
  color: var(--color-muted);
}

/* ---------- Halaman tempahan (pilih tarikh & slot) ---------- */
.container--medium {
  max-width: 640px;
}

.booking-page {
  padding: var(--space-4) 0 var(--space-7);
}

.back-link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  margin-bottom: var(--space-2);
  color: var(--color-primary);
  font-weight: 600;
  text-decoration: none;
}

.back-link:focus-visible {
  outline: 3px solid var(--color-focus);
  outline-offset: 2px;
}

.class-summary__name {
  font-size: 22px;
  margin-bottom: var(--space-2);
}

.class-summary__meta {
  margin-top: var(--space-2);
  font-weight: 700;
}

.booking-steps {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
  margin-top: var(--space-5);
}

.booking-page .empty-state {
  margin-top: var(--space-4);
}

.choice-group {
  margin: 0;
  padding: 0;
  border: 0;
  min-width: 0;
}

.choice-group__title {
  padding: 0;
  margin-bottom: var(--space-3);
  font-size: 18px;
  font-weight: 700;
}

.choice-list {
  display: grid;
  gap: var(--space-2);
}

/* Pilihan radio dalam bentuk kad yang mudah ditekan */
.choice {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  min-height: 52px;
  padding: var(--space-3) var(--space-4);
  background: var(--color-surface);
  border: 1px solid #c5cdd9;
  border-radius: var(--radius-small);
  cursor: pointer;
}

.choice input {
  width: 20px;
  height: 20px;
  margin: 0;
  flex-shrink: 0;
  accent-color: var(--color-primary);
}

.choice:has(input:checked) {
  border-color: var(--color-primary);
  background: var(--color-primary-soft);
  box-shadow: inset 0 0 0 1px var(--color-primary);
}

.choice:has(input:focus-visible) {
  outline: 3px solid var(--color-focus);
  outline-offset: 2px;
}

.choice__label {
  font-weight: 600;
}

.choice__note {
  margin-left: auto;
  font-size: 14px;
  font-weight: 600;
  color: #17663a;
  white-space: nowrap;
}

.choice__note--full {
  color: #9b1c1c;
}

.choice--disabled {
  cursor: not-allowed;
  background: #f1f3f6;
}

.choice--disabled .choice__label {
  color: var(--color-muted);
}

.selected-slot {
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-small);
  background: var(--color-primary-soft);
  color: var(--color-primary);
  font-weight: 700;
}

/* Borang maklumat pelajar & ibu bapa */
.details-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
  margin-top: var(--space-5);
}

.details-form .choice-group__title {
  margin-bottom: 0;
}

.form-section {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  margin: 0;
  padding: 0;
  border: 0;
  min-width: 0;
}

.form-section__title {
  padding: 0;
  margin-bottom: var(--space-1);
  font-size: 16px;
  font-weight: 700;
  color: var(--color-primary);
}

.required-mark {
  color: #9b1c1c;
}

.details-error {
  margin-bottom: 0;
}

/* ---------- Halaman Semak Tempahan (checkout) ---------- */
.checkout-title {
  font-size: 24px;
  margin-bottom: var(--space-4);
}

.checkout-summary__academy {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-muted);
}

.checkout-summary__class {
  font-size: 20px;
  margin: var(--space-1) 0 var(--space-4);
}

.summary-list {
  display: grid;
  grid-template-columns: max-content 1fr;
  gap: var(--space-3) var(--space-4);
  margin: 0;
}

.summary-list dt {
  color: var(--color-muted);
}

.summary-list dd {
  margin: 0;
  font-weight: 600;
  overflow-wrap: anywhere;
}

.checkout-total {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-3);
  margin-top: var(--space-5);
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-border);
}

.checkout-total__label {
  font-weight: 700;
}

.checkout-total__amount {
  font-size: 26px;
  font-weight: 700;
  color: var(--color-primary);
}

.checkout-actions {
  margin-top: var(--space-5);
}

.nowrap {
  white-space: nowrap;
}

/* ---------- Halaman Terima Kasih ---------- */
.result-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 64px;
  height: 64px;
  margin: var(--space-2) auto var(--space-4);
  border-radius: 50%;
  font-size: 32px;
  font-weight: 700;
}

.result-icon--success {
  background: #e3f5ea;
  color: #17663a;
}

.result-icon--failed {
  background: #fdecec;
  color: #9b1c1c;
}

.result-icon--pending {
  background: var(--color-primary-soft);
  color: var(--color-primary);
}

.result-title {
  font-size: 24px;
  text-align: center;
  margin-bottom: var(--space-2);
}

.result-message {
  text-align: center;
  color: var(--color-muted);
  margin-bottom: var(--space-5);
}

.result-alert {
  margin-top: var(--space-4);
  margin-bottom: 0;
}

.result-actions {
  display: grid;
  gap: var(--space-3);
  margin-top: var(--space-5);
}

.result-actions .back-link {
  justify-self: center;
}

.badge--danger {
  background: #fdecec;
  color: #9b1c1c;
}

/* Butang WhatsApp: hijau gelap supaya teks putih cukup kontras */
.button--whatsapp {
  background: #1f7a4d;
  color: #ffffff;
}

.button--whatsapp:hover {
  background: #186340;
}

.alert__link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  margin-top: var(--space-1);
  color: inherit;
  font-weight: 700;
}

/* ---------- Tempahan (admin) ---------- */
.container--wide {
  max-width: 1200px;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.booking-search {
  display: flex;
  gap: var(--space-2);
  margin-bottom: var(--space-3);
}

.booking-search input {
  flex: 1;
  min-width: 0;
  min-height: 44px;
  padding: var(--space-2) var(--space-3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-small);
  font: inherit;
  background: var(--color-surface);
  color: var(--color-text);
}

.booking-search input:focus-visible {
  outline: 3px solid var(--color-focus);
  outline-offset: 1px;
  border-color: var(--color-primary);
}

.filter-group {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
}

.filter-button {
  min-height: 44px;
  padding: 0 var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  background: var(--color-surface);
  color: var(--color-text);
  font: inherit;
  font-weight: 600;
  cursor: pointer;
}

.filter-button[aria-pressed="true"] {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #ffffff;
}

.filter-button:focus-visible {
  outline: 3px solid var(--color-focus);
  outline-offset: 2px;
}

.list-summary {
  color: var(--color-muted);
  margin-bottom: var(--space-3);
}

.list-note {
  color: var(--color-muted);
  font-size: 14px;
  margin-top: var(--space-3);
}

/* Telefon: setiap tempahan dipaparkan sebagai kad. Desktop: jadual biasa (lihat @media di bawah). */
.booking-table,
.booking-table tbody {
  display: block;
}

.booking-table thead {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
}

.booking-table tr {
  position: relative;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: var(--space-1) var(--space-3);
  margin-bottom: var(--space-3);
  padding: var(--space-4);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
}

.booking-table td {
  grid-column: 1 / -1;
  padding: 0;
  overflow-wrap: anywhere;
}

.booking-table td[data-label]::before {
  content: attr(data-label) ": ";
  color: var(--color-muted);
}

.booking-table .cell-code {
  grid-column: 1;
  font-size: 17px;
  font-weight: 700;
}

.booking-table .cell-status {
  grid-column: 2;
  grid-row: 1;
}

.booking-table .cell-student {
  font-weight: 600;
}

.booking-table .badge {
  white-space: nowrap;
}

/* Seluruh baris/kad boleh ditekan untuk membuka butiran tempahan */
.booking-link {
  color: var(--color-primary);
  text-decoration: none;
}

.booking-link::after {
  content: "";
  position: absolute;
  inset: 0;
}

.booking-link:focus-visible {
  outline: none;
}

.booking-link:focus-visible::after {
  outline: 3px solid var(--color-focus);
  outline-offset: -3px;
  border-radius: var(--radius);
}

.booking-table tr:hover {
  border-color: var(--color-primary);
}

.details-card .card__title {
  font-size: 18px;
  margin-bottom: var(--space-3);
}

.status-note {
  color: var(--color-muted);
  margin-bottom: var(--space-2);
}

/* ---------- Jalur mod ujian (gateway pembayaran Sandbox) ---------- */
.test-mode-banner {
  padding: var(--space-2) var(--space-4);
  background: var(--color-badge-bg);
  border-bottom: 1px solid #f0d58c;
  color: var(--color-badge-text);
  font-size: 14px;
  font-weight: 600;
  text-align: center;
}

.test-mode-banner a {
  color: inherit;
}

/* ---------- Tetapan (admin) ---------- */
.settings-note {
  margin-top: var(--space-3);
}

.logo-preview {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}

.logo-preview__image {
  max-width: 200px;
  max-height: 80px;
  object-fit: contain;
}

.logo-preview__initials {
  width: 56px;
  height: 56px;
  font-size: 20px;
}

.form-field input[type="file"] {
  padding: var(--space-2);
}

/* Gateway pembayaran */
.gateway-mode {
  display: grid;
  justify-items: start;
  gap: var(--space-2);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--color-border);
}

.gateway-mode__label {
  color: var(--color-muted);
  font-size: 14px;
  font-weight: 600;
}

.gateway-key {
  padding: var(--space-4) 0;
  border-bottom: 1px solid var(--color-border);
}

.gateway-subtitle {
  font-size: 17px;
  margin: var(--space-4) 0 var(--space-1);
}

.gateway-key .gateway-subtitle {
  margin-top: 0;
}

.gateway-key__status {
  margin: var(--space-2) 0 var(--space-3);
}

.gateway-history {
  margin: var(--space-2) 0 0;
  padding-left: var(--space-5);
  color: var(--color-muted);
  font-size: 14px;
}

.gateway-history li + li {
  margin-top: var(--space-1);
}

.mode-dialog {
  width: min(480px, calc(100% - 2 * var(--space-4)));
  padding: var(--space-5);
  border: 0;
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
}

.mode-dialog::backdrop {
  background: rgba(31, 41, 55, 0.5);
}

/* ---------- Dashboard (admin) ---------- */
.dashboard-section {
  margin-top: var(--space-5);
}

.stat-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3);
  margin: 0;
}

/* Kad terakhir memenuhi baris jika bilangan kad ganjil (telefon: 2 lajur) */
.stat-card:last-child:nth-child(odd) {
  grid-column: 1 / -1;
}

.stat-card {
  /* Nombor di bawah kad supaya sejajar walaupun label dua baris */
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: var(--space-4);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
}

.stat-card dt {
  color: var(--color-muted);
  font-size: 14px;
  font-weight: 600;
}

.stat-card dd {
  margin: var(--space-1) 0 0;
  font-size: 26px;
  font-weight: 700;
  color: var(--color-primary);
  overflow-wrap: anywhere;
}

.section-header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2) var(--space-3);
  margin-bottom: var(--space-3);
}

.section-header .section-title {
  margin-bottom: 0;
}

.section-header__link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  color: var(--color-primary);
  font-weight: 600;
  text-decoration: none;
}

.section-header__link:focus-visible {
  outline: 3px solid var(--color-focus);
  outline-offset: 2px;
}

.upcoming-list {
  display: grid;
  gap: var(--space-3);
  margin: 0;
  padding: 0;
  list-style: none;
}

.upcoming-item {
  display: grid;
  gap: var(--space-2);
  padding: var(--space-4);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
}

.upcoming-item__date {
  font-weight: 700;
}

.upcoming-item__time {
  color: var(--color-muted);
}

.upcoming-item__class {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
  font-weight: 600;
}

.upcoming-item__count {
  font-weight: 600;
}

/* ---------- Footer ---------- */
.site-footer {
  padding: var(--space-5) 0;
  border-top: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-muted);
  font-size: 14px;
  text-align: center;
}

/* ---------- Tablet dan desktop ---------- */
@media (min-width: 640px) {
  .hero {
    padding: var(--space-7) 0;
  }

  .hero__title {
    font-size: 36px;
  }

  .class-list {
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  }

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

  .admin-list {
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  }

  .stat-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .stat-card:last-child:nth-child(odd) {
    grid-column: auto;
  }

  /* Lebar lajur tetap supaya nama kelas sejajar dari baris ke baris */
  .upcoming-item {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr) 14rem;
    align-items: center;
    gap: var(--space-4);
  }

  .upcoming-item__count {
    text-align: right;
  }
}

/* Desktop: senarai tempahan sebagai jadual */
@media (min-width: 960px) {
  .stat-grid {
    grid-template-columns: repeat(5, 1fr);
  }

  .booking-table {
    display: table;
    width: 100%;
    border-collapse: collapse;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    font-size: 15px;
  }

  .booking-table thead {
    position: static;
    width: auto;
    height: auto;
    overflow: visible;
    clip: auto;
    display: table-header-group;
  }

  .booking-table tbody {
    display: table-row-group;
  }

  .booking-table tr {
    display: table-row;
    margin: 0;
    padding: 0;
    border: 0;
    border-top: 1px solid var(--color-border);
    border-radius: 0;
  }

  .booking-table th,
  .booking-table td {
    display: table-cell;
    padding: var(--space-3);
    text-align: left;
    vertical-align: top;
    overflow-wrap: normal; /* perkataan tidak dipotong di tengah */
  }

  .booking-table th {
    color: var(--color-muted);
    font-size: 14px;
    white-space: nowrap;
  }

  .booking-table td[data-label]::before {
    content: none;
  }

  .booking-table .cell-code {
    font-size: inherit;
    white-space: nowrap;
  }

  .booking-table .cell-student {
    font-weight: inherit;
  }

  .booking-table .cell-nowrap {
    white-space: nowrap;
  }

  .booking-table tr:hover {
    background: var(--color-primary-soft);
  }

  .booking-link:focus-visible::after {
    border-radius: 0;
  }
}