/* Jacaranda Apps site — layout inspired by Setapp product pages.
   Themes: light (default) + dark (black). Toggle via html[data-theme]. */

:root,
html[data-theme="jacaranda"] {
  --bg: #1a0633;
  --bg-soft: #2a0a4a;
  --bg-elevated: #3c1053;
  --text: #f0e6ff;
  --text-secondary: #d0b3ff;
  --text-muted: #b794f6;
  --border: rgba(199, 125, 255, 0.28);
  --border-strong: #e0aaff;
  --accent: #c77dff;
  --accent-soft: rgba(199, 125, 255, 0.18);
  --btn-primary-bg: linear-gradient(90deg, #9d4edd, #7b2cbf);
  --btn-primary-fg: #ffffff;
  --btn-secondary-bg: transparent;
  --btn-secondary-fg: #e6d7ff;
  --btn-secondary-border: #c77dff;
  --header-bg: rgba(26, 6, 51, 0.86);
  --shadow: 0 16px 48px rgba(0, 0, 0, 0.35);
  --icon-glow: rgba(199, 125, 255, 0.28);
  --meta-bg: rgba(58, 12, 83, 0.55);
  --card-bg: rgba(58, 12, 83, 0.55);
  --radius: 20px;
  --radius-sm: 12px;
  --radius-pill: 999px;
  color-scheme: dark;
}

html[data-theme="light"] {
  --bg: #ffffff;
  --bg-soft: #f5f5f7;
  --bg-elevated: #ffffff;
  --text: #111111;
  --text-secondary: #6e6e73;
  --text-muted: #86868b;
  --border: #e5e5ea;
  --border-strong: #7b2cbf;
  --accent: #9d4edd;
  --accent-soft: rgba(157, 78, 221, 0.12);
  --btn-primary-bg: linear-gradient(90deg, #9d4edd, #7b2cbf);
  --btn-primary-fg: #ffffff;
  --btn-secondary-bg: #ffffff;
  --btn-secondary-fg: #7b2cbf;
  --btn-secondary-border: #9d4edd;
  --header-bg: rgba(255, 255, 255, 0.86);
  --shadow: 0 12px 40px rgba(0, 0, 0, 0.08);
  --icon-glow: rgba(157, 78, 221, 0.2);
  --meta-bg: #f5f5f7;
  --card-bg: #ffffff;
  color-scheme: light;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: "SF Pro Display", "SF Pro Text", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; }
a:hover { opacity: 0.85; }

/* Setapp-like pages don't use the old purple photo backdrop */
/* (legacy .jacaranda-bg / .overlay remain for homepage & English) */

.site-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 22px 40px;
  position: sticky;
  top: 0;
  z-index: 40;
  background: var(--header-bg);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}

.logo {
  display: flex;
  align-items: center;
  gap: 15px;
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.02em;
}
.logo i {
  color: var(--accent);
  font-size: 2.2rem;
}
.logo:hover { opacity: 1; color: var(--text); }

.site-nav {
  display: flex;
  gap: 32px;
  flex-wrap: wrap;
  align-items: center;
}
.site-nav > a {
  color: var(--text-secondary);
  font-weight: 600;
  font-size: 1.2rem;
}
.site-nav > a:hover { color: var(--text); opacity: 1; }

.header-tools {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-inline-start: 4px;
}

.lang-switch {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.lang-switch-label {
  color: var(--text-secondary);
  font-size: 0.95rem;
  cursor: pointer;
}
.lang-switch select {
  appearance: none;
  -webkit-appearance: none;
  background: var(--bg-soft);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 7px 28px 7px 12px;
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  max-width: min(180px, 38vw);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%236e6e73' d='M1 1l5 5 5-5'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
}
html[data-theme="jacaranda"] .lang-switch select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%23c77dff' d='M1 1l5 5 5-5'/%3E%3C/svg%3E");
}
.lang-switch select:hover,
.lang-switch select:focus {
  border-color: var(--text-muted);
  outline: none;
}
html[dir="rtl"] .lang-switch select {
  padding: 7px 12px 7px 28px;
  background-position: left 10px center;
}

.theme-toggle {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--bg-soft);
  color: var(--text);
  display: inline-grid;
  place-items: center;
  cursor: pointer;
  font-size: 1rem;
}
.theme-toggle:hover { border-color: var(--text-muted); }
.theme-toggle .icon-sun { display: none; }
.theme-toggle .icon-moon { display: inline; }
html[data-theme="jacaranda"] .theme-toggle .icon-sun { display: inline; }
html[data-theme="jacaranda"] .theme-toggle .icon-moon { display: none; }

.wrap {
  max-width: 1080px;
  margin: 0 auto;
  padding: 28px 24px 88px;
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-bottom: 28px;
}
.breadcrumb a { color: var(--text-muted); }
.breadcrumb a:hover { color: var(--text); opacity: 1; }
.breadcrumb .sep { opacity: 0.5; }

/* —— Product hero (Setapp-like) —— */
.product-hero {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 28px 36px;
  align-items: start;
  margin-bottom: 36px;
}

.product-hero-icon {
  width: 112px;
  height: 112px;
  border-radius: 28px;
  display: grid;
  place-items: center;
  font-size: 3rem;
  color: var(--text);
  background: var(--bg-soft);
  border: 1px solid var(--border);
  box-shadow: 0 0 0 10px var(--icon-glow), var(--shadow);
}

.product-hero-main h1 {
  font-size: clamp(2.2rem, 4vw, 3.25rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 8px;
  color: var(--text);
}

.product-hero-main .tagline {
  font-size: 1.25rem;
  color: var(--text-secondary);
  margin-bottom: 22px;
  max-width: 34rem;
}

.product-hero-main .desc {
  margin-top: 18px;
  color: var(--text-secondary);
  max-width: 40rem;
  line-height: 1.75;
  font-size: 1.05rem;
}

.product-desc {
  color: var(--text-secondary);
  max-width: 46rem;
  line-height: 1.75;
  font-size: 1.08rem;
  margin: -12px 0 40px;
}

/* Legacy centered hero (hub / download) */
.hero {
  text-align: left;
  margin-bottom: 36px;
}
.hero-icon {
  width: 88px;
  height: 88px;
  margin: 0 0 18px;
  border-radius: 24px;
  display: grid;
  place-items: center;
  font-size: 2.2rem;
  color: var(--text);
  background: var(--bg-soft);
  border: 1px solid var(--border);
  box-shadow: 0 0 0 8px var(--icon-glow);
}
.hero h1 {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 10px;
  color: var(--text);
  background: none;
  -webkit-text-fill-color: unset;
}
.hero .tagline {
  font-size: 1.2rem;
  color: var(--text-secondary);
  max-width: 720px;
  margin: 0 0 14px;
  line-height: 1.7;
}
.hero .desc {
  color: var(--text-secondary);
  max-width: 760px;
  margin: 0;
  line-height: 1.8;
}

.cta-row {
  display: flex;
  justify-content: flex-start;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 0;
}

.btn,
a.btn,
a.btn:visited {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--btn-primary-bg);
  color: var(--btn-primary-fg) !important;
  padding: 14px 35px;
  border-radius: var(--radius-pill);
  font-weight: 600;
  font-size: 1.05rem;
  border: 1px solid transparent;
  cursor: pointer;
  box-shadow: 0 5px 15px rgba(157, 78, 221, 0.35);
  transition: transform 0.3s ease, box-shadow 0.3s ease, opacity 0.15s ease;
}
.btn:hover,
a.btn:hover {
  transform: translateY(-3px);
  opacity: 1;
  box-shadow: 0 8px 20px rgba(157, 78, 221, 0.5);
  color: var(--btn-primary-fg) !important;
}
.btn.ghost,
a.btn.ghost,
a.btn.ghost:visited {
  background: var(--btn-secondary-bg);
  color: var(--btn-secondary-fg) !important;
  border-color: var(--btn-secondary-border);
  box-shadow: none;
}
.btn.ghost:hover,
a.btn.ghost:hover {
  color: var(--btn-secondary-fg) !important;
  box-shadow: 0 4px 12px rgba(157, 78, 221, 0.18);
}
.btn[disabled], .btn.is-disabled,
.btn[aria-disabled="true"] {
  opacity: 0.45;
  pointer-events: none;
  cursor: default;
}

.meta-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 28px;
  align-items: center;
  background: var(--meta-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 24px;
  margin: 8px 0 40px;
  color: var(--text-secondary);
  font-size: 0.95rem;
}
.meta-bar:empty { display: none; }
.meta-bar .meta-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.meta-bar i { color: var(--text-muted); width: 1.1em; text-align: center; }

.section-title {
  font-size: 1.05rem;
  font-weight: 700;
  margin: 8px 0 18px;
  color: var(--text);
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 18px;
}

.card,
.feature-block {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px 24px;
  box-shadow: none;
}
.hub-card {
  display: flex;
  flex-direction: column;
  height: 100%;
  min-height: 0;
}
.hub-card-body {
  flex: 1 1 auto;
  display: flex;
  flex-direction: column;
  min-height: 0;
  margin-bottom: 18px;
}
.hub-card-desc {
  margin: 0;
  height: 5.1em; /* ~3 lines at line-height 1.7 */
  overflow: hidden;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3;
  line-clamp: 3;
  color: var(--text-secondary);
  line-height: 1.7;
}
.hub-card-meta {
  margin: 10px 0 0;
  min-height: 1.4em;
  flex-shrink: 0;
}
.hub-card-cta {
  justify-content: flex-start;
  margin-top: auto;
  flex-wrap: nowrap;
  gap: 10px;
}
.hub-card-cta .btn,
.hub-card-cta a.btn {
  padding: 10px 16px;
  font-size: 0.9rem;
  white-space: nowrap;
  flex: 1 1 0;
  justify-content: center;
}
.feature-block {
  display: grid;
  gap: 10px;
  margin-bottom: 14px;
}
.card h3,
.feature-block h3 {
  color: var(--text);
  margin: 8px 0 6px;
  font-size: 1.2rem;
  font-weight: 700;
}
.card p, .card li,
.feature-block p {
  color: var(--text-secondary);
  line-height: 1.7;
}
.card-icon {
  font-size: 1.6rem;
  color: var(--accent);
  width: 44px;
  height: 44px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  background: var(--accent-soft);
}

.feature-blocks {
  display: grid;
  gap: 16px;
}

.feature-list {
  list-style: none;
  display: grid;
  gap: 10px;
  margin-top: 8px;
}
.feature-list li {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  color: var(--text-secondary);
}
.feature-list i {
  color: var(--accent);
  margin-top: 4px;
}

.dl-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 18px;
  margin-top: 12px;
}
.dl-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
}
.dl-card.preferred {
  border-color: var(--text);
  box-shadow: var(--shadow);
}
.dl-card h3 { color: var(--text); margin-bottom: 8px; font-size: 1.2rem; }
.dl-meta { color: var(--text-muted); font-size: 0.95rem; margin-bottom: 14px; }
.dl-notes { color: var(--text-secondary); white-space: pre-wrap; margin: 0 0 18px; }
.muted { color: var(--text-muted); }

.apps-loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 14px;
  min-height: 160px;
  padding: 28px 16px;
  color: var(--text-muted);
  font-size: 0.98rem;
  font-weight: 500;
  grid-column: 1 / -1;
}
.apps-loading-spinner {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 3px solid var(--border);
  border-top-color: var(--accent);
  animation: apps-spin 0.75s linear infinite;
}
.apps-loading--inline {
  min-height: 72px;
  padding: 12px 0;
  flex-direction: row;
  gap: 10px;
}
.apps-loading--inline .apps-loading-spinner {
  width: 22px;
  height: 22px;
  border-width: 2px;
}
@keyframes apps-spin {
  to { transform: rotate(360deg); }
}
.badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 0.75rem;
  background: var(--accent-soft);
  color: var(--accent);
  margin-left: 8px;
}

.page-foot {
  text-align: center;
  padding: 28px 16px 40px;
  color: var(--text-muted);
  border-top: 1px solid var(--border);
}
.page-foot a { margin: 0 10px; color: var(--text-secondary); }
.page-foot a:hover { color: var(--text); opacity: 1; }

.legal-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 32px;
  margin-bottom: 18px;
}
.legal-card h2 {
  color: var(--text);
  margin-bottom: 16px;
  font-size: 1.2rem;
}
.legal-cols {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
}
.legal-cols h3 {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-bottom: 10px;
}
.legal-cols p, .legal-cols li,
.legal-body p, .legal-body li {
  color: var(--text-secondary);
  line-height: 1.75;
  margin-bottom: 10px;
}
.legal-cols ul, .legal-body ul { padding-left: 1.2em; }
.legal-meta {
  color: var(--text-muted);
  text-align: center;
  margin-top: 8px;
}

@media (max-width: 820px) {
  .product-hero { grid-template-columns: 1fr; }
  .product-hero-icon { width: 88px; height: 88px; font-size: 2.2rem; border-radius: 22px; }
}

@media (max-width: 720px) {
  .site-header { padding: 14px 16px; flex-wrap: wrap; }
  .logo { font-size: 1.35rem; gap: 10px; }
  .logo i { font-size: 1.6rem; }
  .site-nav { gap: 16px; }
  .site-nav > a { font-size: 1rem; }
  .wrap { padding: 24px 16px 64px; }
  .legal-cols { grid-template-columns: 1fr; }
  .meta-bar { gap: 12px 18px; }
}