/* ═══════════════════════════════════════════════════════════════════════════
   KITOBXONA DESIGN SYSTEM — Foundation
   All design tokens from the Design PRD v1.0
   ═══════════════════════════════════════════════════════════════════════════ */

:root {
  /* ── Colors (PRD 4.1) ── */
  --kx-bg: #F5F2EA;
  --kx-surface: #FFFFFF;
  --kx-text-primary: #1A1208;
  --kx-text-secondary: #6B5F50;
  --kx-text-hint: #B0A090;
  --kx-accent: #2A5C45;
  --kx-accent-dark: #1E4432;
  --kx-accent-light: #E8F0EC;
  --kx-border: #E2DAC8;
  --kx-star: #D4A832;
  --kx-danger: #C0392B;
  --kx-input-bg: #EDE9DF;
  --kx-image-placeholder: #D4C9B0;
  --kx-image-glyph: #9A8A72;
  --kx-author-color: #8A7A6A;
  --kx-bookmark-inactive: #C8BBAA;

  /* ── Condition badge colors (PRD 5.7) ── */
  --kx-condition-new-bg: #E8F0EC;
  --kx-condition-new-text: #2A5C45;
  --kx-condition-good-bg: #FEF3CD;
  --kx-condition-good-text: #856404;
  --kx-condition-fair-bg: #FDE8E4;
  --kx-condition-fair-text: #8B2E22;

  /* ── Typography (PRD 4.2) ── */
  --kx-font-display: 'Playfair Display', Georgia, 'Times New Roman', serif;
  --kx-font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --kx-fs-display: 28px;
  --kx-fs-heading: 20px;
  --kx-fs-title: 15px;
  --kx-fs-body: 14px;
  --kx-fs-label: 13px;
  --kx-fs-price: 16px;
  --kx-fs-caption: 12px;
  --kx-fs-button: 15px;
  --kx-fs-tab: 10px;

  /* ── Spacing (PRD 4.3) ── */
  --kx-space-unit: 4px;
  --kx-page-padding: 20px;
  --kx-card-gap: 12px;
  --kx-section-gap: 32px;
  --kx-component-padding: 12px;
  --kx-content-max-width: 1200px;

  /* ── Border Radius (PRD 4.4) ── */
  --kx-radius-card: 14px;
  --kx-radius-card-thumb: 8px;
  --kx-radius-btn: 14px;
  --kx-radius-input: 12px;
  --kx-radius-pill: 999px;
  --kx-radius-sheet: 20px;
  --kx-radius-image: 6px;

  /* ── Shadows (PRD 4.5) ── */
  --kx-shadow-1: 0 2px 8px rgba(60, 40, 20, 0.07);
  --kx-shadow-2: 0 4px 16px rgba(60, 40, 20, 0.10);
  --kx-shadow-3: 0 8px 32px rgba(60, 40, 20, 0.15);

  /* ── Button disabled ── */
  --kx-btn-disabled-bg: #C5D9CC;
  --kx-btn-disabled-text: #8AAD9B;
}

/* ── Body reset ── */
body {
  background-color: var(--kx-bg) !important;
  font-family: var(--kx-font-body);
  color: var(--kx-text-primary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ── Typography classes ── */
.kx-display {
  font-family: var(--kx-font-display);
  font-size: var(--kx-fs-display);
  font-weight: 700;
  line-height: 1.2;
  color: var(--kx-text-primary);
}

.kx-heading {
  font-family: var(--kx-font-display);
  font-size: var(--kx-fs-heading);
  font-weight: 600;
  line-height: 1.3;
  color: var(--kx-text-primary);
}

.kx-title {
  font-family: var(--kx-font-body);
  font-size: var(--kx-fs-title);
  font-weight: 600;
  line-height: 1.4;
  color: var(--kx-text-primary);
}

.kx-body {
  font-family: var(--kx-font-body);
  font-size: var(--kx-fs-body);
  font-weight: 400;
  line-height: 1.5;
  color: var(--kx-text-primary);
}

.kx-label {
  font-family: var(--kx-font-body);
  font-size: var(--kx-fs-label);
  font-weight: 400;
  line-height: 1.4;
  color: var(--kx-text-secondary);
}

.kx-price {
  font-family: var(--kx-font-body);
  font-size: var(--kx-fs-price);
  font-weight: 700;
  color: var(--kx-accent);
}

.kx-caption {
  font-family: var(--kx-font-body);
  font-size: var(--kx-fs-caption);
  font-weight: 400;
  color: var(--kx-text-hint);
}

/* ── Container ── */
.kx-container {
  max-width: var(--kx-content-max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--kx-page-padding);
  padding-right: var(--kx-page-padding);
}

@media (min-width: 1024px) {
  .kx-container {
    padding-left: 40px;
    padding-right: 40px;
  }
}

/* ── Primary Button (PRD 5.5) ── */
.kx-btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 52px;
  padding: 0 24px;
  border: none;
  border-radius: var(--kx-radius-btn);
  background-color: var(--kx-accent);
  color: #FFFFFF;
  font-family: var(--kx-font-body);
  font-size: var(--kx-fs-button);
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: background-color 150ms ease, transform 150ms ease;
  -webkit-tap-highlight-color: transparent;
  white-space: nowrap;
}

.kx-btn-primary:hover {
  background-color: var(--kx-accent-dark);
  color: #FFFFFF;
  text-decoration: none;
}

.kx-btn-primary:active {
  background-color: var(--kx-accent-dark);
  transform: scale(0.97);
}

.kx-btn-primary:disabled,
.kx-btn-primary.disabled {
  background-color: var(--kx-btn-disabled-bg);
  color: var(--kx-btn-disabled-text);
  cursor: not-allowed;
  transform: none;
}

/* Full width on mobile */
@media (max-width: 767px) {
  .kx-btn-primary--block {
    width: 100%;
  }
}

@media (min-width: 1024px) {
  .kx-btn-primary {
    min-width: 160px;
    max-width: 320px;
  }
}

/* ── Secondary Button (PRD 5.6) ── */
.kx-btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 52px;
  padding: 0 24px;
  border: 1.5px solid var(--kx-accent);
  border-radius: var(--kx-radius-btn);
  background-color: transparent;
  color: var(--kx-accent);
  font-family: var(--kx-font-body);
  font-size: var(--kx-fs-button);
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: background-color 150ms ease;
  -webkit-tap-highlight-color: transparent;
  white-space: nowrap;
}

.kx-btn-secondary:hover,
.kx-btn-secondary:active {
  background-color: var(--kx-accent-light);
  color: var(--kx-accent);
  text-decoration: none;
}

/* ── Condition Badges (PRD 5.7) ── */
.kx-condition-badge {
  display: inline-block;
  padding: 4px 10px;
  border-radius: var(--kx-radius-pill);
  font-family: var(--kx-font-body);
  font-size: 11px;
  font-weight: 600;
  line-height: 1.4;
  white-space: nowrap;
}

.kx-condition--yangidek {
  background-color: var(--kx-condition-new-bg);
  color: var(--kx-condition-new-text);
}

.kx-condition--yaxshi {
  background-color: var(--kx-condition-good-bg);
  color: var(--kx-condition-good-text);
}

.kx-condition--qoniqarli {
  background-color: var(--kx-condition-fair-bg);
  color: var(--kx-condition-fair-text);
}

.kx-condition--qoniqarsiz {
  background-color: #F0E0DC;
  color: #6B2E22;
}

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