/* =========================================================
   Daily Kairos – Help Site Stylesheet
   Mirrors the iOS app's warm earth-tone design system.
   Light / dark modes via prefers-color-scheme.
   ========================================================= */

/* ── Custom Properties ─────────────────────────────────── */
:root {
  --bg-page:      #F5EFE7;
  --bg-sidebar:   #EDE4D8;
  --bg-content:   #FFFFFF;
  --bg-card:      #FAFAF7;
  --text-primary: #1C1C1E;
  --text-muted:   #6B6560;
  --text-sub:     #9A9490;
  --accent:       #7B3D0B;
  --accent-head:  #A0622A;
  --accent-light: #F5E6D3;
  --border:       #E0D6C8;
  --border-card:  #E8E0D5;
  --btn-bg:       #7B3D0B;
  --btn-text:     #FFFFFF;
  --step-bg:      #7B3D0B;
  --step-text:    #FFFFFF;
  --shadow:       0 1px 4px rgba(60, 30, 0, 0.08);
  --shadow-card:  0 2px 8px rgba(60, 30, 0, 0.06);
  --radius:       12px;
  --radius-sm:    8px;
  --sidebar-w:    268px;
  --content-max:  720px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg-page:      #1A1208;
    --bg-sidebar:   #140E06;
    --bg-content:   #221810;
    --bg-card:      #2C2010;
    --text-primary: #EDD9B0;
    --text-muted:   #8C7A5A;
    --text-sub:     #6A5A40;
    --accent:       #C8922A;
    --accent-head:  #C8922A;
    --accent-light: #2E1E06;
    --border:       #3A2A18;
    --border-card:  #3A2A18;
    --btn-bg:       #C8922A;
    --btn-text:     #1A1208;
    --step-bg:      #C8922A;
    --step-text:    #1A1208;
    --shadow:       0 1px 4px rgba(0, 0, 0, 0.4);
    --shadow-card:  0 2px 8px rgba(0, 0, 0, 0.3);
  }
}

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

html { scroll-behavior: smooth; }

body {
  font-family: system-ui, -apple-system, "SF Pro Text", "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.7;
  color: var(--text-primary);
  background: var(--bg-page);
  min-height: 100vh;
}

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

img { max-width: 100%; height: auto; border-radius: var(--radius-sm); }

code, kbd {
  font-family: "SF Mono", "Fira Code", ui-monospace, monospace;
  font-size: 0.875em;
  background: var(--accent-light);
  color: var(--accent-head);
  padding: 0.15em 0.4em;
  border-radius: 4px;
}

/* ── Layout Shell ──────────────────────────────────────── */
.shell {
  display: flex;
  min-height: 100vh;
}

/* ── Sidebar ───────────────────────────────────────────── */
.sidebar {
  width: var(--sidebar-w);
  min-height: 100vh;
  background: var(--bg-sidebar);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
  flex-shrink: 0;
}

.sidebar-brand {
  padding: 28px 20px 20px;
  border-bottom: 1px solid var(--border);
}

.sidebar-brand .app-name {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: -0.02em;
  display: block;
  margin-bottom: 2px;
}

.sidebar-brand .app-tagline {
  font-size: 0.78rem;
  color: var(--text-muted);
  font-weight: 400;
}

.sidebar-logo {
  width: 52px;
  height: 52px;
  border-radius: 12px;
  display: block;
  margin-bottom: 12px;
}

.mobile-brand-wrap {
  display: flex;
  align-items: center;
  gap: 9px;
}

.mobile-logo {
  width: 28px;
  height: 28px;
  border-radius: 7px;
  display: block;
}

/* Kairos Easter egg — "Kairos" swaps to Greek on hover, hidden link */
.kairos-egg {
  color: inherit;
  text-decoration: none;
  font-weight: inherit;
  cursor: default;
}
.kairos-egg:hover { color: inherit; text-decoration: none; }
.kairos-gr { display: none; }
.kairos-egg:hover .kairos-en { display: none; }
.kairos-egg:hover .kairos-gr { display: inline; }

/* Apple Intelligence gradient ring — mimics the iOS Siri / AI indicator */
.ai-icon {
  display: inline-block;
  width: 17px;
  height: 17px;
  border-radius: 50%;
  background: conic-gradient(
    from 170deg,
    #007AFF 0deg,
    #5E5CE6 72deg,
    #BF5AF2 144deg,
    #FF375F 216deg,
    #FF9500 288deg,
    #007AFF 360deg
  );
  -webkit-mask: radial-gradient(transparent 36%, black 38%);
  mask: radial-gradient(transparent 36%, black 38%);
  vertical-align: middle;
  flex-shrink: 0;
}

.ai-icon-lg {
  width: 28px;
  height: 28px;
  margin-right: 8px;
}

.sidebar-nav {
  padding: 16px 12px;
  flex: 1;
}

.nav-section-label {
  font-size: 0.68rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-sub);
  padding: 8px 8px 4px;
  display: block;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 8px 10px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-primary);
  transition: background 0.15s, color 0.15s;
  margin-bottom: 2px;
}

.nav-link .nav-icon {
  font-size: 1rem;
  width: 20px;
  text-align: center;
  flex-shrink: 0;
}

.nav-link:hover {
  background: var(--accent-light);
  color: var(--accent);
  text-decoration: none;
}

.nav-link[aria-current="page"] {
  background: var(--accent-light);
  color: var(--accent);
  font-weight: 600;
}

.nav-divider {
  height: 1px;
  background: var(--border);
  margin: 12px 8px;
}

/* ── Mobile Header ─────────────────────────────────────── */
.mobile-header {
  display: none;
  align-items: center;
  justify-content: space-between;
  padding: 14px 20px;
  background: var(--bg-sidebar);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.mobile-brand {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--accent);
}

.hamburger {
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  color: var(--text-primary);
  font-size: 1.4rem;
  line-height: 1;
}

.mobile-nav-drawer {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 200;
}

.mobile-nav-drawer.open { display: block; }

.drawer-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
}

.drawer-panel {
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  width: min(var(--sidebar-w), 85vw);
  background: var(--bg-sidebar);
  border-right: 1px solid var(--border);
  overflow-y: auto;
  padding-bottom: 40px;
}

/* ── Content Area ──────────────────────────────────────── */
.content {
  flex: 1;
  background: var(--bg-content);
  min-width: 0;
}

.content-inner {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 48px 40px 80px;
}

/* ── Page Header ───────────────────────────────────────── */
.page-header {
  margin-bottom: 36px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border-card);
}

.page-eyebrow {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.page-title {
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: -0.025em;
  line-height: 1.2;
  margin-bottom: 12px;
}

.page-intro {
  font-size: 1.05rem;
  color: var(--text-muted);
  line-height: 1.7;
}

/* ── Section ───────────────────────────────────────────── */
.section {
  margin-bottom: 32px;
}

.section-title {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--accent-head);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.section-title .section-icon { font-size: 1.1rem; }

/* ── Steps ─────────────────────────────────────────────── */
.steps { display: flex; flex-direction: column; gap: 20px; }

.step {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.step-num {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--step-bg);
  color: var(--step-text);
  font-size: 0.8rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 2px;
}

.step-body { flex: 1; min-width: 0; }

.step-body p { margin-bottom: 10px; }
.step-body p:last-child { margin-bottom: 0; }

.step-body strong { color: var(--text-primary); }

/* ── Screenshot Placeholder ────────────────────────────── */
.screenshot-wrap {
  margin: 14px 0 4px;
}

.screenshot-placeholder {
  border: 2px dashed var(--border);
  border-radius: var(--radius);
  background: var(--bg-card);
  padding: 32px 20px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.screenshot-placeholder .ph-icon {
  font-size: 2.2rem;
  opacity: 0.4;
}

.screenshot-placeholder .ph-label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.screenshot-placeholder .ph-desc {
  font-size: 0.78rem;
  color: var(--text-sub);
}

/* Real screenshot (swap placeholder for this) */
.screenshot-img {
  margin: 14px 0 4px;
  border-radius: var(--radius);
  border: 1px solid var(--border-card);
  box-shadow: var(--shadow-card);
  display: block;
  width: 100%;
}

/* ── Cards ─────────────────────────────────────────────── */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius);
  padding: 20px 24px;
  box-shadow: var(--shadow-card);
  margin-bottom: 12px;
}

/* ── Callout / Info Box ────────────────────────────────── */
.callout {
  border-left: 4px solid var(--accent-head);
  background: var(--accent-light);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  padding: 14px 18px;
  margin: 16px 0;
  font-size: 0.9rem;
}

.callout.warning {
  border-left-color: #B45309;
  background: #FEF3C7;
  color: #78350F;
}

@media (prefers-color-scheme: dark) {
  .callout.warning {
    background: #2D1A00;
    color: #FCD34D;
  }
}

.callout-title {
  font-weight: 700;
  margin-bottom: 4px;
  color: var(--accent-head);
}

.callout.warning .callout-title { color: inherit; }

/* ── Feature Cards (index page) ────────────────────────── */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 16px;
  margin: 24px 0;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow-card);
}

.feature-card .fc-icon { font-size: 1.8rem; margin-bottom: 10px; }

.feature-card .fc-title {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--accent-head);
  margin-bottom: 6px;
}

.feature-card .fc-desc {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.5;
}

/* ── Setup Links Grid (index page) ─────────────────────── */
.setup-grid {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin: 24px 0;
}

.setup-link-card {
  display: flex;
  align-items: center;
  gap: 14px;
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius);
  padding: 16px 18px;
  box-shadow: var(--shadow-card);
  color: var(--text-primary);
  font-weight: 500;
  transition: background 0.15s, box-shadow 0.15s;
}

.setup-link-card:hover {
  background: var(--accent-light);
  box-shadow: var(--shadow);
  text-decoration: none;
  color: var(--accent);
}

.setup-link-card .slc-icon { font-size: 1.5rem; flex-shrink: 0; }

.setup-link-card .slc-body { flex: 1; }

.setup-link-card .slc-title { font-weight: 600; font-size: 0.95rem; }

.setup-link-card .slc-desc {
  font-size: 0.82rem;
  color: var(--text-muted);
  font-weight: 400;
  margin-top: 2px;
}

.setup-link-card .slc-arrow {
  color: var(--text-sub);
  font-size: 1rem;
  flex-shrink: 0;
}

/* ── Provider Sub-sections (custom page) ───────────────── */
.provider-section {
  border: 1px solid var(--border-card);
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: 24px;
}

.provider-section-header {
  background: var(--bg-card);
  padding: 14px 20px;
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--accent-head);
  border-bottom: 1px solid var(--border-card);
  display: flex;
  align-items: center;
  gap: 8px;
}

.provider-section-body { padding: 20px; }

/* ── Utility ───────────────────────────────────────────── */
.mt-0 { margin-top: 0 !important; }
.mb-0 { margin-bottom: 0 !important; }
.mt-4 { margin-top: 4px; }
.mt-8 { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.text-muted { color: var(--text-muted); }
.text-small { font-size: 0.85rem; }

/* ── Responsive ────────────────────────────────────────── */
@media (max-width: 768px) {
  .shell { flex-direction: column; }
  .sidebar { display: none; }
  .mobile-header { display: flex; }

  .content-inner {
    padding: 28px 20px 60px;
  }

  .page-title { font-size: 1.6rem; }

  .feature-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 480px) {
  .feature-grid { grid-template-columns: 1fr; }
  .content-inner { padding: 20px 16px 48px; }
}