/* McDonald's Vietnam — Digital Ops Design System */
/* Brand Colors */
:root {
  --mcd-red: #DA291C;
  --mcd-red-dark: #B71C1C;
  --mcd-red-light: #FF5252;
  --mcd-yellow: #FFC72C;
  --mcd-yellow-dark: #F5A623;
  --mcd-yellow-light: #FFE082;
  --mcd-dark: #27251F;
  --mcd-dark-2: #1A1814;
  --mcd-dark-3: #121010;

  /* Surfaces — Light Theme */
  --bg-primary: #F5F5F0;
  --bg-card: #FFFFFF;
  --bg-card-hover: #FAFAFA;
  --bg-elevated: #F0F0EB;
  --bg-input: #FFFFFF;
  --border-color: #E0E0DB;
  --border-hover: #CBCBC5;

  /* Text */
  --text-primary: #27251F;
  --text-secondary: #5C5C57;
  --text-muted: #8C8C87;
  --text-inverse: #FFFFFF;

  /* Tags */
  --tag-document: #3B82F6;
  --tag-template: #F59E0B;
  --tag-workflow: #8B5CF6;
  --tag-skill: #EC4899;
  --tag-meeting: #06B6D4;
  --tag-task: #10B981;
  --tag-knowledge: #F97316;
  --tag-link: #6366F1;

  /* Status */
  --status-done: #22C55E;
  --status-progress: #3B82F6;
  --status-pending: #F59E0B;
  --status-overdue: #EF4444;

  /* Priority */
  --p1: #EF4444;
  --p2: #F59E0B;
  --p3: #3B82F6;

  /* Spacing */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;

  /* Fonts */
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--mcd-red); text-decoration: none; transition: color .2s; }
a:hover { color: var(--mcd-red-dark); }

/* ============ NAVBAR ============ */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--mcd-red);
  backdrop-filter: blur(20px) saturate(1.4);
  -webkit-backdrop-filter: blur(20px) saturate(1.4);
  border-bottom: none;
  padding: 0 24px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  box-shadow: 0 2px 8px rgba(0,0,0,.15);
}

.navbar-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.navbar-logo {
  width: 36px;
  height: 36px;
  background: var(--mcd-yellow);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  font-weight: 800;
  color: var(--mcd-red);
}

.navbar-title {
  font-size: 16px;
  font-weight: 700;
  color: #FFFFFF;
  letter-spacing: -0.3px;
}

.navbar-subtitle {
  font-size: 11px;
  color: rgba(255,255,255,.7);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.navbar-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.navbar-btn {
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255,255,255,.3);
  background: transparent;
  color: rgba(255,255,255,.85);
  font-size: 13px;
  font-family: var(--font-body);
  cursor: pointer;
  transition: all .2s;
  text-decoration: none;
}
.navbar-btn:hover { border-color: var(--mcd-yellow); color: var(--mcd-yellow); background: rgba(255,255,255,.1); }
.navbar-btn.active { background: var(--mcd-yellow); color: var(--mcd-red); border-color: var(--mcd-yellow); font-weight: 600; }

/* ============ LAYOUT ============ */
.container { max-width: 1280px; margin: 0 auto; padding: 24px; }
.container-narrow { max-width: 960px; margin: 0 auto; padding: 24px; }

/* ============ PAGE HEADER ============ */
.page-header {
  padding: 32px 0 24px;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 24px;
}

.page-header h1 {
  font-size: 28px;
  font-weight: 800;
  letter-spacing: -0.5px;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.page-header .accent-line {
  width: 48px;
  height: 4px;
  background: linear-gradient(90deg, var(--mcd-red), var(--mcd-yellow));
  border-radius: 2px;
  margin-bottom: 12px;
}

.page-header p {
  color: var(--text-secondary);
  font-size: 15px;
  max-width: 600px;
}

/* ============ CARDS ============ */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 20px;
  transition: all .25s ease;
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--mcd-red), var(--mcd-yellow));
  opacity: 0;
  transition: opacity .25s;
}

.card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-hover);
  transform: translateY(-2px);
  box-shadow: 0 4px 20px rgba(0,0,0,.08);
}
.card:hover::before { opacity: 1; }

.card-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 8px;
  letter-spacing: -0.2px;
}

.card-desc {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.5;
  margin-bottom: 12px;
}

.card-link {
  display: block;
  text-decoration: none;
  color: inherit;
}

/* ============ GRID ============ */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }

@media (max-width: 1024px) {
  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .grid-3, .grid-4, .grid-2 { grid-template-columns: 1fr; }
  .container { padding: 16px; }
}

/* ============ TAGS ============ */
.tag {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border-radius: 100px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border: 1px solid;
}

.tag-document { color: var(--tag-document); border-color: rgba(59,130,246,.3); background: rgba(59,130,246,.1); }
.tag-template { color: var(--tag-template); border-color: rgba(245,158,11,.3); background: rgba(245,158,11,.1); }
.tag-workflow { color: var(--tag-workflow); border-color: rgba(139,92,246,.3); background: rgba(139,92,246,.1); }
.tag-skill { color: var(--tag-skill); border-color: rgba(236,72,153,.3); background: rgba(236,72,153,.1); }
.tag-meeting { color: var(--tag-meeting); border-color: rgba(6,182,212,.3); background: rgba(6,182,212,.1); }
.tag-task { color: var(--tag-task); border-color: rgba(16,185,129,.3); background: rgba(16,185,129,.1); }
.tag-knowledge { color: var(--tag-knowledge); border-color: rgba(249,115,22,.3); background: rgba(249,115,22,.1); }
.tag-link { color: var(--tag-link); border-color: rgba(99,102,241,.3); background: rgba(99,102,241,.1); }

/* ============ FILTER BAR ============ */
.filter-bar {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 20px;
  align-items: center;
}

.filter-btn {
  padding: 6px 16px;
  border-radius: 100px;
  border: 1px solid var(--border-color);
  background: transparent;
  color: var(--text-secondary);
  font-size: 13px;
  font-family: var(--font-body);
  font-weight: 500;
  cursor: pointer;
  transition: all .2s;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.filter-btn:hover { border-color: var(--mcd-yellow); color: var(--text-primary); }
.filter-btn.active {
  background: var(--mcd-yellow);
  color: var(--text-inverse);
  border-color: var(--mcd-yellow);
  font-weight: 600;
}

.filter-count {
  font-family: var(--font-mono);
  font-size: 11px;
  opacity: .7;
}

/* ============ SEARCH ============ */
.search-box {
  width: 100%;
  padding: 12px 16px 12px 44px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  background: var(--bg-input);
  color: var(--text-primary);
  font-size: 14px;
  font-family: var(--font-body);
  transition: all .2s;
  outline: none;
}
.search-box:focus { border-color: var(--mcd-red); box-shadow: 0 0 0 3px rgba(218,41,28,.1); }
.search-box::placeholder { color: var(--text-muted); }

.search-wrapper {
  position: relative;
  margin-bottom: 20px;
}
.search-wrapper svg,
.search-wrapper .search-icon {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  width: 18px;
  height: 18px;
}

/* ============ SECTION HEADER ============ */
.section-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 32px 0 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border-color);
}

.section-header h2 {
  font-size: 14px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-secondary);
}

.section-header .section-icon {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
}

.section-count {
  font-family: var(--font-mono);
  font-size: 12px;
  padding: 2px 8px;
  border-radius: 100px;
  background: var(--bg-elevated);
  color: var(--text-muted);
}

/* ============ STATS ============ */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-bottom: 24px;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 16px;
  text-align: center;
  cursor: pointer;
  transition: all .2s;
}
.stat-card:hover { border-color: var(--mcd-red); }

.stat-value {
  font-size: 28px;
  font-weight: 800;
  font-family: var(--font-mono);
  color: var(--mcd-red);
  letter-spacing: -1px;
}

.stat-label {
  font-size: 11px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-top: 4px;
}

@media (max-width: 640px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
}

/* ============ TABLES ============ */
.table-wrapper { overflow-x: auto; margin: 16px 0; }

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

thead th {
  background: var(--bg-elevated);
  color: var(--text-secondary);
  font-weight: 600;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 10px 14px;
  text-align: left;
  border-bottom: 1px solid var(--border-color);
}

tbody td {
  padding: 10px 14px;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-primary);
}

tbody tr:hover { background: var(--bg-card-hover); }

/* ============ BADGES ============ */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  border-radius: 100px;
  font-size: 11px;
  font-weight: 600;
}

.badge-red { background: rgba(239,68,68,.15); color: #EF4444; }
.badge-yellow { background: rgba(245,158,11,.15); color: #F59E0B; }
.badge-green { background: rgba(34,197,94,.15); color: #22C55E; }
.badge-blue { background: rgba(59,130,246,.15); color: #3B82F6; }

/* ============ BUTTONS ============ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 600;
  font-family: var(--font-body);
  cursor: pointer;
  transition: all .2s;
  border: none;
}

.btn-primary { background: var(--mcd-red); color: white; }
.btn-primary:hover { background: var(--mcd-red-dark); }
.btn-secondary { background: var(--bg-elevated); color: var(--text-primary); border: 1px solid var(--border-color); }
.btn-secondary:hover { border-color: var(--mcd-yellow); }
.btn-yellow { background: var(--mcd-yellow); color: var(--text-inverse); }
.btn-yellow:hover { background: var(--mcd-yellow-dark); }

/* ============ i18n ============ */
.lang-en { display: none; }

/* ============ UTILITIES ============ */
.text-muted { color: var(--text-muted); }
.text-secondary { color: var(--text-secondary); }
.text-red { color: var(--mcd-red); }
.text-yellow { color: var(--mcd-yellow); }
.text-green { color: var(--status-done); }
.font-mono { font-family: var(--font-mono); }
.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }
.gap-1 { gap: 8px; }
.flex { display: flex; }
.flex-wrap { flex-wrap: wrap; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.hidden { display: none !important; }