@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600&family=JetBrains+Mono:wght@400;500&display=swap');

/*
 * Chart Guide — bikindashboard.com CSS
 * Global styles & components based on design.md
 */

:root {
  /* Brand Colors */
  --bd-primary: #2563EB;        /* biru utama — CTA, link, accent */
  --bd-primary-hover: #1D4ED8;  /* biru gelap untuk hover */
  --bd-primary-light: #EFF6FF;  /* biru muda untuk background badge */
  --bd-primary-text: #1E40AF;   /* biru gelap untuk teks di atas --bd-primary-light */

  /* Neutral */
  --bd-bg: #FFFFFF;
  --bd-bg-secondary: #F8FAFC;   /* background halaman, section alt */
  --bd-bg-tertiary: #F1F5F9;    /* input background, chip background */
  --bd-border: #E2E8F0;         /* border default */
  --bd-border-strong: #CBD5E1;  /* border hover, focus */

  /* Text */
  --bd-text: #0F172A;           /* teks utama */
  --bd-text-secondary: #475569; /* label, hint, caption */
  --bd-text-tertiary: #94A3B8;  /* placeholder, disabled */

  /* Semantic */
  --bd-success: #16A34A;
  --bd-success-light: #F0FDF4;
  --bd-warning: #B45309;
  --bd-warning-light: #FFFBEB;
  --bd-danger: #DC2626;
  --bd-danger-light: #FEF2F2;

  /* Spacing */
  --bd-radius-sm: 6px;
  --bd-radius-md: 8px;
  --bd-radius-lg: 12px;
  --bd-radius-xl: 16px;
  --bd-radius-full: 9999px;

  /* Shadow */
  --bd-shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
  --bd-shadow-md: 0 4px 6px -1px rgba(0,0,0,0.07), 0 2px 4px -1px rgba(0,0,0,0.04);

  /* Typography */
  --bd-font: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --bd-font-mono: 'JetBrains Mono', 'Fira Code', 'Courier New', monospace;
}

/* ==========================================================================
   Reset & Base Styles
   ========================================================================== */
* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: var(--bd-font);
  background: var(--bd-bg-secondary);
  color: var(--bd-text);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Global Text Color Reset to prevent browser default user-agent or link inheritance coloring text blue */
p, ul, li, th, td, h1, h2, h3, span:not(.bd-badge):not(.bd-btn):not(.bd-kbd) {
  color: var(--bd-text);
}

/* ==========================================================================
   Typography
   ========================================================================== */
.bd-title      { font-size: 20px; font-weight: 600; color: var(--bd-text); line-height: 1.3; }
.bd-heading    { font-size: 15px; font-weight: 600; color: var(--bd-text); }
.bd-body       { font-size: 14px; font-weight: 400; color: var(--bd-text); line-height: 1.6; }
.bd-label      { font-size: 12px; font-weight: 500; color: var(--bd-text-secondary); letter-spacing: 0.03em; }
.bd-hint       { font-size: 12px; font-weight: 400; color: var(--bd-text-tertiary); }
.bd-mono       { font-family: var(--bd-font-mono); font-size: 12px; }

/* ==========================================================================
   Layout Structure
   ========================================================================== */
.bd-topbar {
  background: var(--bd-bg);
  border-bottom: 1px solid var(--bd-border);
  position: sticky;
  top: 0;
  z-index: 10;
}
.bd-topbar-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.bd-topbar-left { display: flex; align-items: center; gap: 12px; }
.bd-topbar-right { display: flex; align-items: center; gap: 8px; }
.bd-topbar-divider { width: 1px; height: 16px; background: var(--bd-border); }

.bd-back {
  font-size: 13px;
  color: var(--bd-text-secondary);
  text-decoration: none;
}
.bd-back:hover { color: var(--bd-text); }

.bd-main { flex: 1; padding: 24px; }
.bd-container { max-width: 1100px; margin: 0 auto; }

.bd-footer {
  text-align: center;
  padding: 16px;
  border-top: 1px solid var(--bd-border);
  background: var(--bd-bg);
}
.bd-link { color: var(--bd-primary); text-decoration: none; }
.bd-link:hover { text-decoration: underline; }

/* ==========================================================================
   Buttons
   ========================================================================== */
.bd-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 36px;
  padding: 0 14px;
  border-radius: var(--bd-radius-md);
  font-family: var(--bd-font);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all 0.15s;
  white-space: nowrap;
  outline: none;
}
.bd-btn:active { transform: scale(0.97); }

.bd-btn-primary {
  background: var(--bd-primary);
  color: #fff;
  border-color: var(--bd-primary);
}
.bd-btn-primary:hover { background: var(--bd-primary-hover); border-color: var(--bd-primary-hover); }

.bd-btn-secondary {
  background: var(--bd-bg);
  color: var(--bd-text);
  border-color: var(--bd-border-strong);
}
.bd-btn-secondary:hover { background: var(--bd-bg-tertiary); }

.bd-btn-ghost {
  background: transparent;
  color: var(--bd-text-secondary);
  border-color: var(--bd-border);
}
.bd-btn-ghost:hover { background: var(--bd-bg-tertiary); color: var(--bd-text); }

.bd-btn-sm { height: 28px; padding: 0 10px; font-size: 12px; }

/* ==========================================================================
   Inputs
   ========================================================================== */
.bd-input {
  height: 36px;
  padding: 0 12px;
  border: 1px solid var(--bd-border);
  border-radius: var(--bd-radius-md);
  font-family: var(--bd-font);
  font-size: 14px;
  color: var(--bd-text);
  background: var(--bd-bg);
  width: 100%;
  transition: border-color 0.15s, box-shadow 0.15s;
}
.bd-input::placeholder { color: var(--bd-text-tertiary); }
.bd-input:focus { outline: none; border-color: var(--bd-primary); box-shadow: 0 0 0 3px rgba(37,99,235,0.1); }
.bd-input-sm { height: 30px; font-size: 13px; }

/* ==========================================================================
   Cards
   ========================================================================== */
.bd-card {
  background: var(--bd-bg);
  border: 1px solid var(--bd-border);
  border-radius: var(--bd-radius-lg);
  overflow: hidden;
  box-shadow: var(--bd-shadow-sm);
}
.bd-card-header {
  padding: 14px 16px;
  border-bottom: 1px solid var(--bd-border);
  background: var(--bd-bg-secondary);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.bd-card-body { padding: 16px; }

/* ==========================================================================
   Badges
   ========================================================================== */
.bd-badge {
  display: inline-flex;
  align-items: center;
  height: 20px;
  padding: 0 8px;
  border-radius: var(--bd-radius-full);
  font-size: 11px;
  font-weight: 500;
  text-decoration: none;
}
.bd-badge-blue   { background: var(--bd-primary-light); color: var(--bd-primary-text); }
.bd-badge-orange { background: #FFF7ED; color: #B45309; }
.bd-badge-green  { background: var(--bd-success-light); color: var(--bd-success); }
.bd-badge-gray   { background: var(--bd-bg-tertiary); color: var(--bd-text-secondary); }

/* ==========================================================================
   Toasts
   ========================================================================== */
.bd-toast {
  position: fixed;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%) translateY(60px);
  background: var(--bd-text);
  color: var(--bd-bg);
  padding: 8px 16px;
  border-radius: var(--bd-radius-md);
  font-size: 13px;
  font-weight: 500;
  opacity: 0;
  transition: all 0.2s cubic-bezier(.4,0,.2,1);
  pointer-events: none;
  z-index: 1000;
  white-space: nowrap;
  box-shadow: var(--bd-shadow-md);
}
.bd-toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* ==========================================================================
   Section Labels
   ========================================================================== */
.bd-section-label {
  font-size: 11px;
  font-weight: 600;
  color: var(--bd-text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.07em;
  margin-bottom: 8px;
}

/* ==========================================================================
   Dividers
   ========================================================================== */
.bd-divider {
  height: 1px;
  background: var(--bd-border);
  margin: 20px 0;
}

/* ==========================================================================
   Keyboard Shortcut Hints
   ========================================================================== */
.bd-kbd-hint {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--bd-text-tertiary);
}
.bd-kbd {
  display: inline-block;
  padding: 2px 6px;
  border: 1px solid var(--bd-border-strong);
  border-radius: var(--bd-radius-sm);
  font-family: var(--bd-font);
  font-size: 11px;
  color: var(--bd-text-secondary);
  background: var(--bd-bg-secondary);
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.bd-hero {
  text-align: center;
  padding: 20px 16px 8px 16px;
  margin-bottom: 12px;
}
.bd-hero-title {
  font-size: 32px;
  font-weight: 600;
  color: var(--bd-text);
  margin-bottom: 8px;
  letter-spacing: -0.025em;
  line-height: 1.2;
}
.bd-hero-subtitle {
  font-size: 15px;
  color: var(--bd-text-secondary);
  max-width: 500px;
  margin: 0 auto;
  line-height: 1.5;
}

/* ==========================================================================
   Search & Filter Layouts
   ========================================================================== */
.bd-search-wrapper {
  max-width: 500px;
  margin: 0 auto 12px auto;
}
.bd-filters {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
}
.bd-category-desc {
  font-size: 13px;
  color: var(--bd-text-secondary);
  text-align: center;
  margin-top: -8px;
  margin-bottom: 20px;
  opacity: 0;
  transition: opacity 0.15s ease-in-out;
  min-height: 20px;
}
.bd-category-desc.show {
  opacity: 1;
}
.bd-filter-pill {
  background: var(--bd-bg);
  border: 1px solid var(--bd-border);
  color: var(--bd-text-secondary);
  font-family: var(--bd-font);
  font-size: 13px;
  font-weight: 500;
  height: 32px;
  padding: 0 14px;
  border-radius: var(--bd-radius-full);
  cursor: pointer;
  transition: all 0.15s;
  outline: none;
}
.bd-filter-pill:hover {
  border-color: var(--bd-border-strong);
  color: var(--bd-text);
}
.bd-filter-pill.active {
  background: var(--bd-primary);
  border-color: var(--bd-primary);
  color: #ffffff;
}
.bd-filter-pill:active {
  transform: scale(0.96);
}

/* ==========================================================================
   Grid & Card Layouts
   ========================================================================== */
.bd-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  align-items: stretch;
  gap: 20px;
  margin-bottom: 32px;
}

.bd-chart-card {
  text-decoration: none;
  color: inherit;
  display: flex;
  flex-direction: column;
  height: 100%;
  transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.25s cubic-bezier(0.4, 0, 0.2, 1), border-color 0.25s;
  border: 1px solid var(--bd-border);
  border-radius: var(--bd-radius-lg);
  background: var(--bd-bg);
  overflow: hidden;
}
.bd-chart-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--bd-shadow-md);
  border-color: var(--bd-border-strong);
}
.bd-chart-card-header {
  padding: 14px 16px;
  border-bottom: 1px solid var(--bd-border);
  background: var(--bd-bg-secondary);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.bd-chart-card-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--bd-text);
}
.bd-chart-card-body {
  padding: 16px;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.bd-chart-card-desc {
  font-size: 13px;
  line-height: 1.5;
  color: var(--bd-text-secondary);
}
.bd-chart-card-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: auto;
}

/* ==========================================================================
   Empty State
   ========================================================================== */
.bd-empty-state {
  text-align: center;
  padding: 40px 24px;
  background: var(--bd-bg);
  border: 1px dashed var(--bd-border-strong);
  border-radius: var(--bd-radius-lg);
  max-width: 420px;
  margin: 20px auto 32px auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
}
.bd-empty-icon {
  color: var(--bd-text-tertiary);
}
.bd-empty-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--bd-text-secondary);
}

/* ==========================================================================
   Detail Page Specific
   ========================================================================== */
.bd-chart-view-card {
  margin-bottom: 24px;
}
.bd-chart-canvas-wrapper {
  height: 360px;
  position: relative;
  width: 100%;
}

.bd-detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  align-items: start;
  margin-bottom: 24px;
}
.bd-detail-main {
  height: fit-content;
}
.bd-kegunaan-list {
  padding-left: 20px;
}
.bd-kegunaan-list li {
  margin-bottom: 8px;
  line-height: 1.5;
}
.bd-body,
#chart-description,
.bd-kegunaan-list li,
.bd-list-unstyled li {
  color: var(--bd-text) !important;
}
.bd-dos-donts-section {
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.bd-card-dos {
  border-left: 3px solid var(--bd-success);
  background: var(--bd-success-light);
}
.bd-card-donts {
  border-left: 3px solid var(--bd-danger);
  background: var(--bd-danger-light);
}
.bd-dos-header, .bd-donts-header {
  background: transparent !important;
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}
.bd-dos-header h3 {
  color: var(--bd-success);
}
.bd-donts-header h3 {
  color: var(--bd-danger);
}
.bd-list-unstyled {
  list-style: none;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.bd-list-unstyled li {
  position: relative;
  padding-left: 20px;
  line-height: 1.5;
}
.bd-list-unstyled li::before {
  content: "•";
  position: absolute;
  left: 0;
  font-weight: bold;
}
.bd-card-dos .bd-list-unstyled li::before {
  color: var(--bd-success);
}
.bd-card-donts .bd-list-unstyled li::before {
  color: var(--bd-danger);
}
#when-not-to-use-section .bd-list-unstyled li::before {
  color: var(--bd-text-secondary);
}

.bd-detail-left p,
.bd-detail-left li,
.bd-detail-left td,
.bd-detail-right li {
  color: var(--bd-text) !important;
}

.bd-hint {
  color: var(--bd-text-tertiary) !important;
}

.bd-chart-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 32px;
  margin-bottom: 24px;
}
.bd-chart-nav .bd-btn {
  text-decoration: none;
}

/* ==========================================================================
   Data Table (Struktur Data)
   ========================================================================== */
.bd-data-structure-wrapper {
  width: 100%;
  overflow-x: auto;
  border: 1px solid var(--bd-border);
  border-radius: var(--bd-radius-md);
  margin-top: 12px;
  margin-bottom: 8px;
}
.bd-data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
  text-align: left;
}
.bd-data-table th {
  background: var(--bd-bg-tertiary);
  color: var(--bd-text-secondary);
  font-weight: 600;
  padding: 8px 12px;
  border-bottom: 1px solid var(--bd-border);
}
.bd-data-table td {
  padding: 8px 12px;
  border-bottom: 1px solid var(--bd-border);
  font-family: var(--bd-font-mono);
  color: var(--bd-text);
  background: var(--bd-bg);
  white-space: nowrap;
}
.bd-data-table tr:last-child td {
  border-bottom: none;
}

@media (max-width: 800px) {
  .bd-detail-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
}
/* ==========================================================================
   Media Queries
   ========================================================================== */
@media (max-width: 900px) {
  .bd-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 600px) {
  .bd-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
}