/* KTools 4 - Browser Extensions (bx-*)
 * Matches the modern KTools 4 admin design system: CSS tokens, responsive cards, rich badges, and polished setup guide.
 */

.bx-page {
  padding-bottom: 40px;
}

/* ── Extension Grid ── */
.bx-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(440px, 1fr));
  gap: 20px;
  margin-bottom: 24px;
}

/* ── Extension Card ── */
.bx-card {
  display: flex;
  flex-direction: column;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 14px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
  overflow: hidden;
  transition: transform 0.2s cubic-bezier(0.16, 1, 0.3, 1),
              box-shadow 0.2s cubic-bezier(0.16, 1, 0.3, 1),
              border-color 0.2s ease;
  margin: 0;
}

.bx-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.08);
  border-color: color-mix(in srgb, var(--primary) 35%, var(--border));
}

/* ── Card Header ── */
.bx-head {
  display: flex;
  gap: 16px;
  align-items: center;
  padding: 18px 20px 14px;
  border-bottom: 1px solid var(--border);
  background: var(--card-bg);
}

.bx-head-icon {
  width: 52px;
  height: 52px;
  border-radius: 12px;
  flex-shrink: 0;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  border: 1px solid var(--border);
  object-fit: contain;
}

.bx-head-meta {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
}

.bx-title-row {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.bx-title {
  margin: 0;
  font-size: 17px;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.01em;
}

.bx-badges-row {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}

.bx-ver-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 11.5px;
  font-weight: 700;
  border-radius: 999px;
  padding: 2px 10px;
  background: color-mix(in srgb, var(--primary) 12%, var(--card-bg));
  border: 1px solid color-mix(in srgb, var(--primary) 28%, transparent);
  color: var(--primary);
}

.bx-mv-badge {
  display: inline-flex;
  align-items: center;
  font-size: 10.5px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  border-radius: 999px;
  padding: 1px 7px;
  background: var(--surface-subtle);
  border: 1px solid var(--border);
  color: var(--text-muted);
}

/* ── Card Body ── */
.bx-body {
  padding: 16px 20px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  flex: 1;
}

.bx-desc-box {
  background: var(--surface-subtle);
  border: 1px solid var(--border);
  border-left: 4px solid var(--primary);
  border-radius: 8px;
  padding: 12px 14px;
  font-size: 13px;
  line-height: 1.55;
  color: var(--text);
  margin: 0;
}

.bx-section {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.bx-subhead {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  margin: 0;
}

/* Guide Steps */
.bx-guide {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.bx-guide-step {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 13px;
  line-height: 1.5;
  color: var(--text);
}

.bx-step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: color-mix(in srgb, var(--primary) 12%, var(--card-bg));
  border: 1px solid color-mix(in srgb, var(--primary) 30%, transparent);
  color: var(--primary);
  font-size: 11px;
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 1px;
}

/* Chips & Badges */
.bx-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.bx-chip {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 12px;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface-subtle);
  color: var(--text);
  transition: all 0.15s ease;
}

.bx-chip:hover {
  border-color: color-mix(in srgb, var(--primary) 40%, var(--border));
  background: color-mix(in srgb, var(--primary) 6%, var(--card-bg));
}

.bx-chip.is-current {
  background: color-mix(in srgb, var(--primary) 14%, var(--card-bg));
  border-color: var(--primary);
  color: var(--primary);
  font-weight: 700;
  box-shadow: 0 0 0 1px var(--primary);
}

.bx-chip.is-current::after {
  content: '✓ active site';
  font-size: 10px;
  font-weight: 600;
  opacity: 0.85;
  margin-left: 2px;
}

.bx-chip-perm {
  font-size: 11.5px;
  background: var(--card-bg);
  border-color: var(--border);
  color: var(--text-muted);
}

/* ── Card Footer ── */
.bx-foot {
  padding: 14px 20px;
  border-top: 1px solid var(--border);
  background: color-mix(in srgb, var(--surface-subtle) 40%, var(--card-bg));
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.bx-foot-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.bx-btn-download {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 38px;
  padding: 0 18px;
  border-radius: 8px;
  background: var(--primary);
  color: #fff !important;
  font-size: 13px;
  font-weight: 700;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  box-shadow: 0 2px 6px color-mix(in srgb, var(--primary) 35%, transparent);
  transition: all 0.15s ease;
}

.bx-btn-download:hover {
  background: color-mix(in srgb, var(--primary) 88%, #000);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px color-mix(in srgb, var(--primary) 45%, transparent);
}

.bx-btn-download:active {
  transform: translateY(0);
}

.bx-options-tag {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 11.5px;
  font-weight: 600;
  color: var(--text-muted);
  background: var(--card-bg);
  border: 1px solid var(--border);
  padding: 3px 9px;
  border-radius: 6px;
}

.bx-meta-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 11.5px;
  color: var(--text-muted);
  flex-wrap: wrap;
  gap: 6px;
}

/* ── Installation & Update Setup Guide ── */
.bx-setup-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 14px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
  overflow: hidden;
}

.bx-setup-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.bx-setup-header h2 {
  margin: 0;
  font-size: 16px;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 8px;
}

.bx-setup-body {
  padding: 20px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 24px;
}

.bx-setup-col {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.bx-col-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 700;
  color: var(--text);
  margin: 0;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--border);
}

.bx-setup-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.bx-setup-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 13px;
  line-height: 1.55;
  color: var(--text);
}

.bx-setup-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--surface-subtle);
  border: 1px solid var(--border);
  font-size: 12px;
  font-weight: 700;
  color: var(--text-muted);
  flex-shrink: 0;
  margin-top: 1px;
}

.bx-code-pill {
  font-family: ui-monospace, Consolas, Monaco, monospace;
  font-size: 12px;
  background: var(--surface-subtle);
  border: 1px solid var(--border);
  border-radius: 5px;
  padding: 2px 7px;
  color: var(--text);
  display: inline-flex;
  align-items: center;
  gap: 4px;
  user-select: all;
}

.bx-callout-tip {
  margin: 16px 20px 20px;
  background: color-mix(in srgb, var(--primary) 8%, var(--card-bg));
  border: 1px solid color-mix(in srgb, var(--primary) 25%, transparent);
  border-radius: 10px;
  padding: 12px 16px;
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 12.5px;
  line-height: 1.5;
  color: var(--text);
}

.bx-tip-icon {
  font-size: 18px;
  flex-shrink: 0;
  line-height: 1;
}

/* ── Dark Mode Adjustments ── */
:root[data-theme="dark"] .bx-card:hover,
:root[data-theme="midnight"] .bx-card:hover {
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.4);
}

:root[data-theme="dark"] .bx-btn-download,
:root[data-theme="midnight"] .bx-btn-download {
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

@media (max-width: 640px) {
  .bx-grid {
    grid-template-columns: 1fr;
  }
  .bx-setup-body {
    grid-template-columns: 1fr;
  }
  .bx-foot-actions {
    flex-direction: column;
    align-items: stretch;
  }
  .bx-btn-download {
    width: 100%;
  }
}