/* Token reka bentuk + komponen asas, dikongsi oleh halaman awam dan admin.
   Bahasa visual: glassmorphism atas latar aurora turquoise (anggaran web; bukan Apple Liquid Glass).
   Sistem bentuk: kad 20px, butang & input 14px, cip & lencana bulat penuh (pill).
   Tema: ikut sistem secara lalai; <html data-theme="light|dark"> memaksa satu tema (js/theme.js). */

@font-face {
  font-family: 'Plus Jakarta Sans';
  src: url('../fonts/plus-jakarta-sans-latin-wght-normal.woff2') format('woff2');
  font-weight: 200 800;
  font-style: normal;
  font-display: swap;
}

/* ---------- Token: mod cerah ---------- */
:root {
  color-scheme: light;
  --font-sans: 'Plus Jakarta Sans', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;

  --bg: #e8f6f4;
  --surface: #f6fcfb;            /* isian padu (sandaran tanpa blur) */
  --surface-2: rgb(10 80 84 / 0.06);
  --text: #082a2c;
  --text-muted: #44605f;
  --border: rgb(10 80 84 / 0.12);
  --border-strong: rgb(10 80 84 / 0.24);

  --glass: rgb(255 255 255 / 0.56);
  --glass-strong: rgb(250 255 254 / 0.8);
  --glass-border: rgb(255 255 255 / 0.75);
  --glass-edge: rgb(10 80 84 / 0.1);
  --glass-highlight: inset 0 1px 0 rgb(255 255 255 / 0.85);
  --glass-blur: blur(18px) saturate(170%);

  --accent: #0a8080;
  --accent-2: #0a6a80;
  --accent-gradient: linear-gradient(135deg, var(--accent), var(--accent-2));
  --accent-bright: #2dd4bf;
  --accent-soft: rgb(45 212 191 / 0.18);
  --accent-on: #ffffff;
  --accent-text: #0a7378;
  --accent-glow: 0 10px 28px -10px rgb(10 128 128 / 0.55);

  --danger: #b42318;
  --danger-soft: rgb(220 60 40 / 0.12);
  --warning: #8a5300;
  --warning-soft: rgb(240 160 40 / 0.18);

  --shadow-sm: 0 1px 2px rgb(8 60 64 / 0.06), 0 2px 8px -2px rgb(8 60 64 / 0.06);
  --shadow-md: 0 18px 40px -18px rgb(8 70 74 / 0.35);
  --focus-ring: 0 0 0 3px rgb(45 212 191 / 0.5);

  --aurora-1: rgb(45 212 191 / 0.42);
  --aurora-2: rgb(34 211 238 / 0.32);
  --aurora-3: rgb(94 234 212 / 0.36);
  --aurora-4: rgb(56 189 248 / 0.22);
  --grain-opacity: 0.05;

  --radius-card: 20px;
  --radius-control: 14px;
  --radius-pill: 999px;

  /* Lengkung gerakan: keluar lembut (UI), dan "spring" ringan untuk sheet/dialog */
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-spring: cubic-bezier(0.32, 0.72, 0, 1);
  --gutter: 16px;
  --page-max: 1240px;

  /* Skala z-index (satu tempat sahaja) */
  --z-sticky: 10;
  --z-sheet: 40;
  --z-toast: 50;
}

/* ---------- Token: mod gelap (sistem, kecuali dipaksa cerah) ---------- */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme='light']) {
    color-scheme: dark;
    --bg: #041719;
    --surface: #0b2427;
    --surface-2: rgb(255 255 255 / 0.06);
    --text: #e4f5f3;
    --text-muted: #92b4b1;
    --border: rgb(255 255 255 / 0.09);
    --border-strong: rgb(255 255 255 / 0.18);

    --glass: rgb(14 46 50 / 0.5);
    --glass-strong: rgb(8 32 35 / 0.82);
    --glass-border: rgb(255 255 255 / 0.1);
    --glass-edge: rgb(0 0 0 / 0.35);
    --glass-highlight: inset 0 1px 0 rgb(255 255 255 / 0.08);

    --accent: #45e3d2;
    --accent-2: #22c4dc;
    --accent-bright: #5eead4;
    --accent-soft: rgb(64 224 208 / 0.14);
    --accent-on: #03201f;
    --accent-text: #5eead4;
    --accent-glow: 0 10px 30px -10px rgb(64 224 208 / 0.5);

    --danger: #ff8b7b;
    --danger-soft: rgb(255 120 100 / 0.14);
    --warning: #f3b75a;
    --warning-soft: rgb(243 183 90 / 0.14);

    --shadow-sm: 0 1px 2px rgb(0 0 0 / 0.4);
    --shadow-md: 0 22px 44px -20px rgb(0 0 0 / 0.75);
    --focus-ring: 0 0 0 3px rgb(64 224 208 / 0.45);

    --aurora-1: rgb(20 184 166 / 0.3);
    --aurora-2: rgb(8 145 178 / 0.28);
    --aurora-3: rgb(45 212 191 / 0.16);
    --aurora-4: rgb(14 116 144 / 0.32);
    --grain-opacity: 0.07;
  }
}

/* Mod gelap dipaksa oleh pengguna (salinan blok di atas; CSS tiada cara kongsi tanpa light-dark()) */
:root[data-theme='dark'] {
  color-scheme: dark;
  --bg: #041719;
  --surface: #0b2427;
  --surface-2: rgb(255 255 255 / 0.06);
  --text: #e4f5f3;
  --text-muted: #92b4b1;
  --border: rgb(255 255 255 / 0.09);
  --border-strong: rgb(255 255 255 / 0.18);

  --glass: rgb(14 46 50 / 0.5);
  --glass-strong: rgb(8 32 35 / 0.82);
  --glass-border: rgb(255 255 255 / 0.1);
  --glass-edge: rgb(0 0 0 / 0.35);
  --glass-highlight: inset 0 1px 0 rgb(255 255 255 / 0.08);

  --accent: #45e3d2;
  --accent-2: #22c4dc;
  --accent-bright: #5eead4;
  --accent-soft: rgb(64 224 208 / 0.14);
  --accent-on: #03201f;
  --accent-text: #5eead4;
  --accent-glow: 0 10px 30px -10px rgb(64 224 208 / 0.5);

  --danger: #ff8b7b;
  --danger-soft: rgb(255 120 100 / 0.14);
  --warning: #f3b75a;
  --warning-soft: rgb(243 183 90 / 0.14);

  --shadow-sm: 0 1px 2px rgb(0 0 0 / 0.4);
  --shadow-md: 0 22px 44px -20px rgb(0 0 0 / 0.75);
  --focus-ring: 0 0 0 3px rgb(64 224 208 / 0.45);

  --aurora-1: rgb(20 184 166 / 0.3);
  --aurora-2: rgb(8 145 178 / 0.28);
  --aurora-3: rgb(45 212 191 / 0.16);
  --aurora-4: rgb(14 116 144 / 0.32);
  --grain-opacity: 0.07;
}

@media (min-width: 768px) {
  :root { --gutter: 24px; }
}

/* Pengguna yang mahu kurang lutsinar: permukaan padu */
@media (prefers-reduced-transparency: reduce) {
  :root {
    --glass: var(--surface);
    --glass-strong: var(--surface);
    --glass-blur: none;
  }
}

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

[hidden] { display: none !important; }

html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; }

body {
  margin: 0;
  min-height: 100dvh;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  transition: background-color 400ms var(--ease), color 400ms var(--ease);
}

h1, h2, h3, p { margin: 0; }
img { display: block; max-width: 100%; }
button, input, select, textarea { font: inherit; color: inherit; }
a { color: var(--accent-text); }
::selection { background: rgb(45 212 191 / 0.35); }

:focus-visible { outline: none; box-shadow: var(--focus-ring); }

.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

.page { width: 100%; max-width: var(--page-max); margin: 0 auto; padding: 0 var(--gutter); }

@media (max-width: 479px) { .hide-sm { display: none; } }

/* ---------- Latar aurora + bijian ---------- */
.aurora { position: fixed; inset: 0; z-index: -1; overflow: hidden; pointer-events: none; }
.aurora span {
  position: absolute; width: 70vmax; height: 70vmax; border-radius: 50%;
  will-change: transform;
}
.aurora span:nth-child(1) { top: -30vmax; left: -20vmax; background: radial-gradient(circle, var(--aurora-1), transparent 62%); }
.aurora span:nth-child(2) { top: -25vmax; right: -30vmax; background: radial-gradient(circle, var(--aurora-2), transparent 62%); }
.aurora span:nth-child(3) { bottom: -35vmax; right: -10vmax; background: radial-gradient(circle, var(--aurora-3), transparent 62%); }
.aurora span:nth-child(4) { bottom: -30vmax; left: -30vmax; background: radial-gradient(circle, var(--aurora-4), transparent 62%); }

/* Tekstur halus supaya glass tidak nampak "plastik" */
.aurora::after {
  content: ''; position: absolute; inset: 0; opacity: var(--grain-opacity);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* Hanyut perlahan: memberi kedalaman pada glass, bukan hiasan semata-mata */
@media (prefers-reduced-motion: no-preference) {
  .aurora span:nth-child(1) { animation: drift-a 26s ease-in-out infinite alternate; }
  .aurora span:nth-child(2) { animation: drift-b 32s ease-in-out infinite alternate; }
  .aurora span:nth-child(3) { animation: drift-c 29s ease-in-out infinite alternate; }
  .aurora span:nth-child(4) { animation: drift-b 36s ease-in-out infinite alternate-reverse; }
}
@keyframes drift-a { to { transform: translate3d(12vmax, 8vmax, 0) scale(1.1); } }
@keyframes drift-b { to { transform: translate3d(-10vmax, 10vmax, 0) scale(0.92); } }
@keyframes drift-c { to { transform: translate3d(-8vmax, -12vmax, 0) scale(1.08); } }

/* ---------- Glass ---------- */
.glass {
  background: var(--glass);
  -webkit-backdrop-filter: var(--glass-blur);
  backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-highlight), 0 0 0 1px var(--glass-edge), var(--shadow-sm);
}
@supports not ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))) {
  :root { --glass: var(--surface); --glass-strong: var(--surface); }
}

/* ---------- Bar atas ---------- */
.topbar {
  position: sticky; top: 0; z-index: var(--z-sticky);
  background: color-mix(in srgb, var(--glass-strong) 70%, transparent);
  -webkit-backdrop-filter: var(--glass-blur);
  backdrop-filter: var(--glass-blur);
  border-bottom: 1px solid var(--glass-border);
  box-shadow: 0 1px 0 var(--glass-edge);
}
.topbar-inner { display: flex; align-items: center; justify-content: space-between; gap: 12px; height: 64px; }
.topbar-actions { display: flex; align-items: center; gap: 8px; min-width: 0; }
.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; color: var(--text); font-weight: 760; letter-spacing: -0.02em; font-size: 1.125rem; }
.brand img { width: 32px; height: 32px; border-radius: 9px; box-shadow: var(--accent-glow); }
.brand-tld { color: var(--accent-text); }

.demo-banner { padding: 10px 0 0; }
.demo-banner p {
  padding: 8px 14px; border-radius: var(--radius-control);
  background: var(--warning-soft); color: var(--warning);
  font-size: 0.875rem; font-weight: 600;
  border: 1px solid color-mix(in srgb, var(--warning) 25%, transparent);
}

/* ---------- Navigasi atas: Direktori / Artikel ---------- */
.topnav { display: flex; gap: 2px; padding: 3px; border-radius: var(--radius-pill); background: var(--glass); border: 1px solid var(--glass-border); }
.topnav a {
  display: inline-flex; align-items: center; min-height: 34px; padding: 0 14px; border-radius: var(--radius-pill);
  font-size: 0.875rem; font-weight: 650; color: var(--text-muted); text-decoration: none;
  transition: background-color 200ms var(--ease), color 200ms var(--ease);
}
.topnav a:hover { color: var(--text); background: var(--surface-2); }
.topnav a[aria-current='page'] { background: var(--accent-gradient); color: var(--accent-on); box-shadow: var(--accent-glow); }
@media (max-width: 379px) { .topnav a { padding: 0 10px; } }
/* Telefon kecil: logo sahaja supaya jenama + navigasi + suis tema muat sebaris */
@media (max-width: 429px) { .topbar:has(.topnav) .brand > span { display: none; } }

/* ---------- Suis tema ---------- */
.theme-toggle {
  position: relative; display: grid; place-items: center; flex: none;
  width: 42px; height: 42px; border-radius: var(--radius-pill);
  background: var(--glass); border: 1px solid var(--glass-border);
  box-shadow: var(--glass-highlight), 0 0 0 1px var(--glass-edge);
  color: var(--text); cursor: pointer; overflow: hidden;
  transition: transform 200ms var(--ease), background-color 200ms var(--ease);
}
.theme-toggle:hover { background: var(--glass-strong); }
.theme-toggle:active { transform: scale(0.92); }
.theme-toggle .ph { position: absolute; font-size: 1.25rem; transition: transform 500ms var(--ease-spring), opacity 300ms var(--ease); }
.theme-toggle .icon-moon { transform: translateY(140%) rotate(-90deg); opacity: 0; }
:root[data-theme='dark'] .theme-toggle .icon-sun { transform: translateY(-140%) rotate(90deg); opacity: 0; }
:root[data-theme='dark'] .theme-toggle .icon-moon { transform: none; opacity: 1; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme='light']) .theme-toggle .icon-sun { transform: translateY(-140%) rotate(90deg); opacity: 0; }
  :root:not([data-theme='light']) .theme-toggle .icon-moon { transform: none; opacity: 1; }
}

/* ---------- Butang ---------- */
.btn {
  position: relative; display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 44px; padding: 0 18px;
  border: 1px solid transparent; border-radius: var(--radius-control);
  font-weight: 650; font-size: 0.9375rem; line-height: 1; white-space: nowrap;
  text-decoration: none; cursor: pointer;
  transition: background-color 200ms var(--ease), border-color 200ms var(--ease), box-shadow 250ms var(--ease), transform 160ms var(--ease), filter 200ms var(--ease);
}
.btn:active:not([disabled]) { transform: scale(0.97); }
.btn[disabled] { opacity: 0.55; cursor: not-allowed; }
.btn .ph { font-size: 1.125rem; transition: transform 250ms var(--ease); }

.btn-primary { background: var(--accent-gradient); color: var(--accent-on); box-shadow: var(--accent-glow), inset 0 1px 0 rgb(255 255 255 / 0.2); }
.btn-primary:hover:not([disabled]) { filter: brightness(1.08) saturate(1.05); box-shadow: 0 14px 34px -10px color-mix(in srgb, var(--accent) 70%, transparent), inset 0 1px 0 rgb(255 255 255 / 0.25); }

.btn-secondary {
  background: var(--glass); color: var(--text); border-color: var(--glass-border);
  box-shadow: var(--glass-highlight), 0 0 0 1px var(--glass-edge);
  -webkit-backdrop-filter: var(--glass-blur); backdrop-filter: var(--glass-blur);
}
.btn-secondary:hover:not([disabled]) { background: var(--glass-strong); }

.btn-ghost { background: transparent; color: var(--text); }
.btn-ghost:hover:not([disabled]) { background: var(--surface-2); }

.btn-danger { background: transparent; color: var(--danger); border-color: color-mix(in srgb, var(--danger) 40%, transparent); }
.btn-danger:hover:not([disabled]) { background: var(--danger-soft); }

.btn-sm { min-height: 36px; padding: 0 12px; font-size: 0.875rem; }

/* ---------- Borang ---------- */
.field { display: grid; gap: 6px; align-content: start; }
.field > label, .field > .label { font-size: 0.875rem; font-weight: 650; }
.field .help { font-size: 0.8125rem; color: var(--text-muted); }
.field .error { font-size: 0.8125rem; color: var(--danger); }

.input, .select, .textarea {
  width: 100%; min-height: 44px; padding: 10px 14px;
  background: color-mix(in srgb, var(--glass-strong) 85%, transparent); color: var(--text);
  border: 1px solid var(--border-strong); border-radius: var(--radius-control);
  transition: border-color 200ms var(--ease), box-shadow 200ms var(--ease), background-color 200ms var(--ease);
}
.textarea { min-height: 88px; resize: vertical; line-height: 1.5; }
.input::placeholder, .textarea::placeholder { color: var(--text-muted); opacity: 1; }
.input:focus, .select:focus, .textarea:focus { outline: none; border-color: var(--accent); box-shadow: var(--focus-ring); background: var(--glass-strong); }
.select-sm { min-height: 38px; padding: 6px 32px 6px 12px; width: auto; font-size: 0.875rem; font-weight: 600; }
.select option { background: var(--surface); color: var(--text); }

/* ---------- Cip & lencana ---------- */
.chip {
  display: inline-flex; align-items: center; gap: 6px; flex: none;
  min-height: 40px; padding: 0 15px;
  background: var(--glass); color: var(--text);
  border: 1px solid var(--glass-border); border-radius: var(--radius-pill);
  box-shadow: var(--glass-highlight), 0 0 0 1px var(--glass-edge);
  font-size: 0.875rem; font-weight: 600; white-space: nowrap; cursor: pointer;
  transition: background-color 220ms var(--ease), color 220ms var(--ease), box-shadow 220ms var(--ease), transform 160ms var(--ease);
}
.chip:hover { background: var(--glass-strong); }
.chip:active { transform: scale(0.96); }
.chip[aria-pressed='true'], .chip.is-active {
  background: var(--accent-gradient); color: var(--accent-on); border-color: transparent;
  box-shadow: var(--accent-glow);
}
.chip .ph { font-size: 1rem; }
.chip-count { font-weight: 500; opacity: 0.72; font-variant-numeric: tabular-nums; }

.badge {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 3px 9px; border-radius: var(--radius-pill);
  font-size: 0.75rem; font-weight: 600; line-height: 1.3; white-space: nowrap;
  background: var(--surface-2); color: var(--text-muted);
  border: 1px solid var(--border);
}
.badge .ph { font-size: 0.875rem; }
.badge-accent { background: var(--accent-soft); color: var(--accent-text); border-color: color-mix(in srgb, var(--accent-bright) 35%, transparent); }
.badge-warning { background: var(--warning-soft); color: var(--warning); border-color: transparent; }
.badge-danger { background: var(--danger-soft); color: var(--danger); border-color: transparent; }

/* ---------- Suis (checkbox gaya toggle) ---------- */
.switch { display: flex; align-items: center; justify-content: space-between; gap: 12px; cursor: pointer; }
.switch input { position: absolute; opacity: 0; pointer-events: none; }
.switch-track {
  position: relative; flex: none; width: 46px; height: 28px; border-radius: var(--radius-pill);
  background: var(--border-strong); transition: background 250ms var(--ease);
}
.switch-track::after {
  content: ''; position: absolute; top: 3px; left: 3px; width: 22px; height: 22px; border-radius: 50%;
  background: #fff; box-shadow: 0 2px 6px rgb(0 0 0 / 0.2); transition: transform 350ms var(--ease-spring);
}
.switch input:checked + .switch-track { background: var(--accent-gradient); }
.switch input:checked + .switch-track::after { transform: translateX(18px); }
.switch input:focus-visible + .switch-track { box-shadow: var(--focus-ring); }
.switch-label { display: block; font-weight: 700; font-size: 0.9375rem; }
.switch-help { display: block; font-size: 0.8125rem; color: var(--text-muted); }

/* ---------- Kotak semak gaya cip ---------- */
.check-grid { display: flex; flex-wrap: wrap; gap: 8px; }
.check-chip { position: relative; display: inline-flex; }
.check-chip input { position: absolute; opacity: 0; inset: 0; margin: 0; cursor: pointer; }
.check-chip span {
  display: inline-flex; align-items: center; gap: 6px; min-height: 36px; padding: 0 13px;
  border: 1px solid var(--border-strong); border-radius: var(--radius-pill);
  font-size: 0.875rem; font-weight: 600; background: color-mix(in srgb, var(--glass-strong) 70%, transparent);
  transition: background-color 200ms var(--ease), border-color 200ms var(--ease), color 200ms var(--ease), transform 160ms var(--ease);
}
.check-chip input:active + span { transform: scale(0.96); }
.check-chip input:checked + span { background: var(--accent-soft); border-color: var(--accent); color: var(--accent-text); }
.check-chip input:focus-visible + span { box-shadow: var(--focus-ring); }

/* ---------- Skeleton ---------- */
.skeleton { background: var(--surface-2); border-radius: 10px; position: relative; overflow: hidden; }
@media (prefers-reduced-motion: no-preference) {
  .skeleton::after {
    content: ''; position: absolute; inset: 0;
    background: linear-gradient(90deg, transparent, rgb(255 255 255 / 0.28), transparent);
    transform: translateX(-100%);
    animation: shimmer 1.5s var(--ease) infinite;
  }
}
@keyframes shimmer { to { transform: translateX(100%); } }

/* ---------- Toast ---------- */
.toast-region { position: fixed; left: 50%; bottom: calc(20px + env(safe-area-inset-bottom)); transform: translateX(-50%); z-index: var(--z-toast); display: grid; gap: 8px; width: min(420px, calc(100% - 32px)); }
.toast {
  padding: 12px 16px; border-radius: var(--radius-control);
  background: color-mix(in srgb, var(--text) 92%, transparent); color: var(--bg);
  -webkit-backdrop-filter: var(--glass-blur); backdrop-filter: var(--glass-blur);
  font-size: 0.9375rem; font-weight: 550; box-shadow: var(--shadow-md);
}
.toast.is-error { background: var(--danger); color: var(--bg); }
@media (prefers-reduced-motion: no-preference) {
  .toast { animation: toast-in 420ms var(--ease-spring); }
  @keyframes toast-in { from { opacity: 0; transform: translateY(16px) scale(0.96); } }
}

/* ---------- Keyframes dikongsi ---------- */
/* Tanpa `filter`: filter pada induk memutuskan backdrop-filter anak (glass) semasa animasi. */
@keyframes rise { from { opacity: 0; transform: translateY(14px); } }
@keyframes fade-in { from { opacity: 0; } }

/* ---------- View Transitions (tukar tema & susun semula grid) ---------- */
::view-transition-old(root), ::view-transition-new(root) { animation: none; mix-blend-mode: normal; }
::view-transition-group(*) { animation-duration: 420ms; animation-timing-function: var(--ease); }
/* Semasa tukar tema, seluruh halaman didedahkan sebagai satu bulatan; jangan animasikan kad berasingan */
:root.vt-theme * { view-transition-name: none !important; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition-duration: 0.01ms !important; animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; }
}