/* ===================================================================
   CekDaya Design System — Full BRAND.md Implementation
   =================================================================== */

/* -------------------------------------------------------------------
   CSS Variables — from BRAND.md Section 2
   ------------------------------------------------------------------- */
:root {
  /* Primary */
  --color-primary:       #2563EB;
  --color-primary-dark:  #1D4ED8;
  --color-primary-pale:  #EFF6FF;

  /* Text */
  --color-heading:       #111827;
  --color-body:          #374151;
  --color-muted:         #6B7280;

  /* Surfaces */
  --color-bg:            #FFFFFF;
  --color-bg-alt:        #F3F4F6;
  --color-border:        #E5E7EB;

  /* Grade colors */
  --grade-s:  #059669;
  --grade-a:  #2563EB;
  --grade-b:  #D97706;
  --grade-c:  #EA580C;
  --grade-d:  #DC2626;

  /* Grade backgrounds */
  --grade-s-bg: #F0FFF4;
  --grade-a-bg: #EFF6FF;
  --grade-b-bg: #FFFBEB;
  --grade-c-bg: #FFF7ED;
  --grade-d-bg: #FFF5F5;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.10);

  /* Spacing */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-6: 24px;
  --space-8: 32px;
  --space-12: 48px;

  /* Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-full: 9999px;

  /* Font */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
}

/* -------------------------------------------------------------------
   Reset & Base
   ------------------------------------------------------------------- */
*,
*::before,
*::after { box-sizing: border-box; margin: 0; padding: 0; }

html { font-size: 16px; -webkit-font-smoothing: antialiased; }

body {
  font-family: var(--font-family);
  color: var(--color-body);
  background: var(--color-bg);
  line-height: 1.6;
  min-height: 100vh;
}

a { color: var(--color-primary); text-decoration: none; }
a:hover { text-decoration: underline; }

img { max-width: 100%; display: block; }

/* -------------------------------------------------------------------
   Typography — from BRAND.md Section 3
   ------------------------------------------------------------------- */
h1 { font-size: 32px; font-weight: 700; color: var(--color-heading); line-height: 1.2; }
h2 { font-size: 24px; font-weight: 600; color: var(--color-heading); line-height: 1.3; }
h3 { font-size: 18px; font-weight: 600; color: var(--color-body); line-height: 1.4; }

.text-body   { font-size: 16px; color: var(--color-body); }
.text-small  { font-size: 14px; color: var(--color-muted); }
.text-xs     { font-size: 12px; }

/* -------------------------------------------------------------------
   Layout
   ------------------------------------------------------------------- */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.section {
  padding: var(--space-12) 0;
}

/* -------------------------------------------------------------------
   Header — from BRAND.md Section 9
   ------------------------------------------------------------------- */
.site-header {
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-6);
  height: 60px;
  display: flex;
  align-items: center;
  gap: var(--space-6);
}

.logo {
  font-size: 24px;
  font-weight: 700;
  color: var(--color-primary);
  text-decoration: none;
  letter-spacing: -0.5px;
}
.logo:hover { text-decoration: none; }

.header-nav {
  flex: 1;
  display: flex;
  gap: var(--space-6);
}
.header-nav a {
  font-size: 14px;
  font-weight: 500;
  color: var(--color-body);
  text-decoration: none;
  transition: color 0.15s;
}
.header-nav a:hover,
.header-nav a.active { color: var(--color-primary); text-decoration: none; }

/* -------------------------------------------------------------------
   Buttons — from BRAND.md Section 7
   ------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 14px;
  padding: 0 20px;
  height: 40px;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: all 0.15s;
  text-decoration: none;
  gap: var(--space-2);
  white-space: nowrap;
}
.btn:hover { text-decoration: none; }

.btn-primary {
  background: var(--color-primary);
  color: white;
}
.btn-primary:hover { background: var(--color-primary-dark); }

.btn-secondary {
  background: transparent;
  color: var(--color-primary);
  border: 1.5px solid var(--color-primary);
}
.btn-secondary:hover { background: var(--color-primary-pale); }

.btn-outline {
  background: transparent;
  color: var(--color-body);
  border: 1px solid var(--color-border);
}
.btn-outline:hover { border-color: var(--color-primary); color: var(--color-primary); }

.btn-sm { height: 32px; font-size: 13px; padding: 0 12px; }

.btn-shopee { background: #EE4D2D; color: white; }
.btn-shopee:hover { background: #D93B1E; }
.btn-tokopedia { background: #42B549; color: white; }
.btn-tokopedia:hover { background: #369D3C; }

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* -------------------------------------------------------------------
   Cards — from BRAND.md Section 7
   ------------------------------------------------------------------- */
.card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.2s, border-color 0.2s;
}
.card:hover {
  box-shadow: var(--shadow-md);
}

/* -------------------------------------------------------------------
   Grade Badge — from BRAND.md Section 7
   ------------------------------------------------------------------- */
.grade-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full);
  font-weight: 700;
  color: white;
  font-family: var(--font-family);
}

.grade-badge--large { width: 48px; height: 48px; font-size: 20px; }
.grade-badge--small { width: 28px; height: 28px; font-size: 12px; }

.grade-badge--s { background: var(--grade-s); }
.grade-badge--a { background: var(--grade-a); }
.grade-badge--b { background: var(--grade-b); }
.grade-badge--c { background: var(--grade-c); }
.grade-badge--d { background: var(--grade-d); }

/* -------------------------------------------------------------------
   Score Display — from BRAND.md Section 7
   ------------------------------------------------------------------- */
.score-display { display: flex; align-items: baseline; }
.score-display__value { font-size: 48px; font-weight: 700; color: var(--color-heading); line-height: 1; }
.score-display__max   { font-size: 24px; font-weight: 400; color: var(--color-muted); margin-left: 2px; }

/* -------------------------------------------------------------------
   Filter Chips — from BRAND.md Section 7
   ------------------------------------------------------------------- */
.chip {
  height: 32px;
  padding: 0 16px;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
  font-size: 13px;
  font-weight: 500;
  background: var(--color-bg);
  color: var(--color-body);
  cursor: pointer;
  transition: all 0.15s;
  white-space: nowrap;
}
.chip:hover { background: var(--color-primary-pale); }
.chip--active {
  background: var(--color-primary);
  color: white;
  border-color: var(--color-primary);
}

/* -------------------------------------------------------------------
   Search Input
   ------------------------------------------------------------------- */
.search-input {
  height: 40px;
  padding: 0 12px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: 14px;
  color: var(--color-body);
  background: var(--color-bg);
  transition: border-color 0.15s, box-shadow 0.15s;
  width: 100%;
  max-width: 320px;
  font-family: var(--font-family);
}
.search-input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}
.search-input::placeholder { color: var(--color-muted); }

/* -------------------------------------------------------------------
   Data Table — League Standing (BRAND.md Section 7)
   ------------------------------------------------------------------- */
.table-wrapper {
  overflow-x: auto;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-bg);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

.data-table thead th {
  text-align: left;
  padding: 12px 16px;
  background: var(--color-bg-alt);
  border-bottom: 2px solid var(--color-border);
  font-weight: 600;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--color-muted);
  white-space: nowrap;
}

.data-table tbody td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--color-border);
  vertical-align: middle;
}

.data-table tbody tr:last-child td { border-bottom: none; }

/* Grade-based row colors */
.data-table tbody tr.tr--s { background: var(--grade-s-bg); }
.data-table tbody tr.tr--a { background: var(--grade-a-bg); }
.data-table tbody tr.tr--b { background: var(--grade-b-bg); }
.data-table tbody tr.tr--c { background: var(--grade-c-bg); }
.data-table tbody tr.tr--d { background: var(--grade-d-bg); }

.data-table tbody tr:hover { background: var(--color-primary-pale); cursor: pointer; }

/* Selected for comparison */
.data-table tbody tr.tr--selected {
  background: #DBEAFE;
  border-left: 3px solid var(--color-primary);
}

/* Sticky rank */
.sticky-col {
  position: sticky;
  left: 0;
  background: inherit;
  z-index: 1;
}

.data-table thead th.sticky-col { z-index: 2; }

/* Trophy */
.trophy { font-size: 18px; margin-right: 4px; }

/* Table photo thumbnail */
.table-photo {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  object-fit: cover;
  background: var(--color-bg-alt);
}

.product-name-cell {
  font-weight: 600;
  color: var(--color-heading);
}

.product-brand-cell {
  font-size: 13px;
  color: var(--color-muted);
}

.price-cell { font-weight: 500; }

/* -------------------------------------------------------------------
   Filter Bar
   ------------------------------------------------------------------- */
.filter-bar {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-wrap: wrap;
  margin-bottom: var(--space-6);
}

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

.filter-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--color-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  display: flex;
  align-items: center;
  margin-right: var(--space-2);
}

.filter-actions {
  margin-left: auto;
  display: flex;
  gap: var(--space-2);
}

/* -------------------------------------------------------------------
   Product Detail
   ------------------------------------------------------------------- */
.product-hero {
  display: flex;
  gap: var(--space-8);
  padding: var(--space-12) 0;
  align-items: flex-start;
}

.product-hero__photo {
  width: 360px;
  height: 360px;
  border-radius: var(--radius-xl);
  object-fit: cover;
  background: var(--color-bg-alt);
  flex-shrink: 0;
}

.product-hero__info {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.product-hero__title {
  font-size: 32px;
  font-weight: 700;
  color: var(--color-heading);
  line-height: 1.2;
}

.product-hero__brand {
  font-size: 16px;
  color: var(--color-muted);
}

.product-hero__grade-row {
  display: flex;
  align-items: center;
  gap: var(--space-6);
}

.product-hero__price {
  font-size: 20px;
  font-weight: 600;
  color: var(--color-heading);
}

.product-hero__links {
  display: flex;
  gap: var(--space-3);
  flex-wrap: wrap;
}

/* Data sections */
.data-section {
  margin-bottom: var(--space-12);
}

.section-header {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-3);
  border-bottom: 2px solid var(--color-border);
}

.info-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

.info-table td {
  padding: 10px 16px;
  border-bottom: 1px solid var(--color-border);
}

.info-table td:first-child {
  color: var(--color-muted);
  width: 240px;
  font-weight: 500;
}

.info-table td:last-child {
  color: var(--color-body);
  font-weight: 600;
}

/* Score Bar Chart */
.score-bars {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.score-bar-row {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.score-bar-row__label {
  width: 140px;
  font-size: 13px;
  font-weight: 500;
  color: var(--color-body);
  flex-shrink: 0;
}

.score-bar-row__value {
  width: 48px;
  text-align: right;
  font-size: 13px;
  font-weight: 600;
  color: var(--color-muted);
  flex-shrink: 0;
}

.score-bar-row__track {
  flex: 1;
  height: 8px;
  background: var(--color-bg-alt);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.score-bar-row__fill {
  height: 100%;
  border-radius: var(--radius-full);
  transition: width 0.6s ease;
}

.score-bar-row__weight {
  width: 80px;
  text-align: right;
  font-size: 12px;
  color: var(--color-muted);
  flex-shrink: 0;
}

/* League position mini-table */
.league-mini {
  max-width: 500px;
}

.league-mini .data-table tbody tr:hover { background: inherit; cursor: default; }
.league-mini .data-table tbody tr.tr--current {
  background: var(--color-primary-pale);
  font-weight: 600;
}

/* Video embed */
.video-wrapper {
  position: relative;
  padding-bottom: 56.25%;
  height: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-top: var(--space-4);
}

.video-wrapper iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

/* Disclosure banner */
.disclosure-banner {
  background: var(--grade-a-bg);
  border: 1px solid #BFDBFE;
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-4);
  font-size: 13px;
  color: var(--color-body);
  margin-top: var(--space-6);
}

/* Photos gallery */
.product-photos {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
}

.product-photos img {
  width: 80px;
  height: 80px;
  border-radius: var(--radius-md);
  object-fit: cover;
  cursor: pointer;
  border: 2px solid transparent;
  transition: border-color 0.15s;
}

.product-photos img:hover,
.product-photos img.active {
  border-color: var(--color-primary);
}

/* -------------------------------------------------------------------
   Comparison Page
   ------------------------------------------------------------------- */
.compare-select-row {
  display: flex;
  gap: var(--space-4);
  align-items: flex-end;
  flex-wrap: wrap;
  margin-bottom: var(--space-8);
}

.compare-select-group {
  flex: 1;
  min-width: 200px;
}

.compare-select-group label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--color-muted);
  margin-bottom: var(--space-1);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.compare-select-group select {
  height: 40px;
  padding: 0 12px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: 14px;
  color: var(--color-body);
  background: var(--color-bg);
  width: 100%;
  font-family: var(--font-family);
}

.compare-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

.compare-table th {
  background: var(--color-bg-alt);
  font-weight: 600;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--color-muted);
}

.compare-table th,
.compare-table td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--color-border);
  text-align: center;
}

.compare-table th:first-child,
.compare-table td:first-child {
  text-align: left;
  color: var(--color-muted);
  font-weight: 500;
  width: 180px;
}

.compare-table td.cell--winner {
  background: #F0FFF4;
  font-weight: 600;
  color: var(--grade-s);
}

.compare-photo {
  width: 120px;
  height: 120px;
  margin: 0 auto var(--space-2);
  border-radius: var(--radius-md);
  object-fit: cover;
  background: var(--color-bg-alt);
}

/* -------------------------------------------------------------------
   Admin Dashboard
   ------------------------------------------------------------------- */
.admin-layout {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--space-4);
  margin-bottom: var(--space-8);
}

.stat-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  box-shadow: var(--shadow-sm);
}

.stat-card__label {
  font-size: 12px;
  font-weight: 600;
  color: var(--color-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: var(--space-2);
}

.stat-card__value {
  font-size: 32px;
  font-weight: 700;
  color: var(--color-heading);
  line-height: 1;
}

/* -------------------------------------------------------------------
   States
   ------------------------------------------------------------------- */
.loading {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-12) 0;
  color: var(--color-muted);
  gap: var(--space-2);
}

.loading::before {
  content: "";
  width: 20px;
  height: 20px;
  border: 2px solid var(--color-border);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

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

.empty-state {
  text-align: center;
  padding: var(--space-12) 0;
  color: var(--color-muted);
}

.empty-state__icon { font-size: 48px; margin-bottom: var(--space-4); }
.empty-state__title { font-size: 18px; font-weight: 600; color: var(--color-heading); margin-bottom: var(--space-2); }
.empty-state__desc { font-size: 14px; }

.error-state {
  text-align: center;
  padding: var(--space-12) 0;
  color: var(--grade-d);
}

/* -------------------------------------------------------------------
   Footer
   ------------------------------------------------------------------- */
.site-footer {
  border-top: 1px solid var(--color-border);
  padding: var(--space-6) 0;
  text-align: center;
  font-size: 13px;
  color: var(--color-muted);
  margin-top: var(--space-12);
}

/* -------------------------------------------------------------------
   Compare Floating Bar
   ------------------------------------------------------------------- */
.compare-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--color-bg);
  border-top: 2px solid var(--color-primary);
  padding: var(--space-4) var(--space-6);
  box-shadow: 0 -4px 12px rgba(0,0,0,0.1);
  display: none;
  z-index: 200;
  justify-content: center;
  align-items: center;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.compare-bar.show { display: flex; }

.compare-bar__count {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-heading);
}

.compare-bar__names {
  font-size: 13px;
  color: var(--color-muted);
  max-width: 400px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* -------------------------------------------------------------------
   Not Found
   ------------------------------------------------------------------- */
.not-found {
  text-align: center;
  padding: var(--space-12) 0;
}

.not-found h2 {
  font-size: 64px;
  font-weight: 700;
  color: var(--color-border);
  margin-bottom: var(--space-4);
}

/* -------------------------------------------------------------------
   Pagination
   ------------------------------------------------------------------- */
.pagination {
  display: flex;
  justify-content: center;
  gap: var(--space-2);
  margin-top: var(--space-6);
}

.pagination button {
  height: 36px;
  min-width: 36px;
  padding: 0 var(--space-3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg);
  color: var(--color-body);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s;
  font-family: var(--font-family);
}

.pagination button:hover { border-color: var(--color-primary); color: var(--color-primary); }
.pagination button.active {
  background: var(--color-primary);
  color: white;
  border-color: var(--color-primary);
}

/* -------------------------------------------------------------------
   Responsive
   ------------------------------------------------------------------- */
@media (max-width: 768px) {
  .container { padding: 0 var(--space-4); }
  .header-inner { padding: 0 var(--space-4); }
  .header-nav a { font-size: 13px; }

  .product-hero {
    flex-direction: column;
    gap: var(--space-6);
  }

  .product-hero__photo {
    width: 100%;
    height: auto;
    aspect-ratio: 1;
  }

  .filter-bar {
    flex-direction: column;
    align-items: flex-start;
  }

  .filter-actions {
    margin-left: 0;
    width: 100%;
  }

  .data-table thead { display: none; }
  .data-table tbody td {
    padding: 8px 12px;
    font-size: 13px;
  }

  .compare-select-row {
    flex-direction: column;
  }

  .score-display__value { font-size: 36px; }
  .score-display__max { font-size: 18px; }

  .product-hero__title { font-size: 24px; }
}

@media (max-width: 480px) {
  .logo { font-size: 20px; }
  .header-inner { gap: var(--space-3); }
  .header-nav { gap: var(--space-3); }
}

/* -------------------------------------------------------------------
   Utility
   ------------------------------------------------------------------- */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

.text-center { text-align: center; }
.text-right { text-align: right; }
.mt-4 { margin-top: var(--space-4); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-6 { margin-bottom: var(--space-6); }
.mb-8 { margin-bottom: var(--space-8); }
.gap-2 { gap: var(--space-2); }
.gap-4 { gap: var(--space-4); }
.flex { display: flex; }
.flex-wrap { flex-wrap: wrap; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }

/* No JS fallback */
.no-js .js-only { display: none; }