/* Veil of Venus — Cyber Sage aesthetic (night shrine, clean typography) */
:root {
  --bg: #0f0f0f;
  --fg: #ececec;
  --muted: #9a9a9a;
  --line: #262626;
  --card-bg: #171717;
  --accent: #ececec;
  --error: #d08a8a;
  --success: #93b3a0;

  /* Cyber Sage ambient variables */
  --ripple-opacity: 0.25;
  --flicker-duration: 2s;
}

/* ---- Cyber Sage Ambient Effects ---- */

/* Night shrine scene: pond + lanterns (decorative layer behind content) */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -1;
  background-image: url('/static/css/shrine-bg.svg');
  background-size: cover;
  background-position: center bottom;
}

/* Lantern flicker — subtle opacity pulse on the glow layer */
@keyframes lanternFlickerBg {
  0%, 100% { filter: brightness(1); }
  45% { filter: brightness(0.82); }
  60% { filter: brightness(1.05); }
  75% { filter: brightness(0.9); }
}

body::before { animation: lanternFlickerBg var(--flicker-duration) ease-in-out infinite; }

/* Ripple effect on interactive elements */
nav.main-nav a, button.submit-btn, .result-card, details.how-to summary {
  position: relative;
  overflow: hidden;
}

nav.main-nav a::after, button.submit-btn::after, .result-card::after, details.how-to summary::after {
  content: '';
  position: absolute;
  top: 50%; left: 50%;
  width: 200px; height: 200px;
  background: radial-gradient(circle, rgba(255,255,255,var(--ripple-opacity)) 0%, transparent 70%);
  border-radius: 50%;
  transform: translate(-50%, -50%) scale(0);
  opacity: 0;
  transition: transform 0.6s ease-out, opacity 0.4s ease;
}

nav.main-nav a:hover::after, button.submit-btn:hover::after, .result-card:hover::after, details.how-to summary:hover::after {
  transform: translate(-50%, -50%) scale(1);
  opacity: 1;
}

/* Lantern flicker effect on hover */
nav.main-nav a:hover, button.submit-btn:hover {
  animation: lanternFlicker var(--flicker-duration) ease-in-out infinite;
}

@keyframes lanternFlicker {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.85; }
  25%, 75% { opacity: 0.92; }
}

/* Subtle border glow on focus */
input:focus, select:focus {
  box-shadow: 0 0 0 1px rgba(255,255,255,var(--ripple-opacity));
}

/* Result card entrance with subtle ripple */
.result-card.visible {
  animation: fadeIn .3s ease, cardRipple 1.5s ease-out;
}

@keyframes cardRipple {
  from { box-shadow: 0 0 0 rgba(255,255,255,var(--ripple-opacity)); }
  to { box-shadow: 0 0 20px rgba(255,255,255,var(--ripple-opacity)); }
}

/* Audio toggle button (if added later) */
.audio-toggle {
  position: fixed;
  bottom: 1rem;
  right: 1rem;
  width: 40px;
  height: 40px;
  background: var(--card-bg);
  border: 1px solid var(--line);
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  font-size: 1.2rem;
  color: var(--muted);
  transition: all .2s ease;
}

.audio-toggle:hover {
  animation: lanternFlicker var(--flicker-duration) ease-in-out infinite;
  border-color: var(--fg);
}

.audio-toggle.on {
  background: var(--accent);
  color: var(--bg);
  border-color: var(--accent);
}

/* One-time audio discovery hint */
.audio-hint {
  position: fixed;
  bottom: 1.2rem;
  right: 4.6rem;
  background: var(--card-bg);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.35rem 0.7rem 0.35rem 0.9rem;
  font-size: 0.8rem;
  color: var(--muted);
  display: flex;
  align-items: center;
  gap: 0.4rem;
  opacity: 0;
  transform: translateY(6px);
  transition: opacity .3s ease, transform .3s ease;
  pointer-events: none;
}

.audio-hint.show {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.audio-hint-close {
  background: none;
  border: none;
  color: var(--muted);
  cursor: pointer;
  font-size: 1rem;
  line-height: 1;
  padding: 0.2rem 0.3rem;
}

.audio-hint-close:hover { color: var(--fg); }

/* Per-service atmospheric shifts (subtle color temperature changes) */
.service-pond { /* Birth Chart/Daily - pure grayscale pond ripples */
  --ripple-opacity: 0.15;
}

.service-lantern { /* I Ching/Decision - increased contrast + faster flicker */
  --flicker-duration: 1s;
  --ripple-opacity: 0.25;
}

/* Moonlight tint only in dark mode — preserves light-mode contrast */
@media (prefers-color-scheme: dark) {
  .service-moonlight { /* Compatibility/Synastry - cool blue tint */
    --bg: #0f0f14;
    --card-bg: #17171e;
    --line: #262632;
    --ripple-opacity: 0.18;
  }
}

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

html {
  background: var(--bg); /* base color behind everything */
}

body {
  color: var(--fg);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.container { max-width: 720px; margin: 0 auto; padding: 3rem 1.5rem 4rem; }

header.site-header { text-align: center; margin-bottom: 2.5rem; }
header.site-header h1 { font-size: 1.6rem; font-weight: 500; letter-spacing: -0.02em; }
/* VOV brand mark (SVG logo) */
.brand-mark { display: block; max-width: 180px; height: auto; margin-bottom: 0.4rem; }
header.site-header p.subtitle { color: var(--muted); font-size: 0.95rem; margin-top: 0.4rem; }

nav.main-nav { display: flex; justify-content: center; gap: 1.2rem; flex-wrap: wrap; margin-bottom: 2.5rem; }
nav.main-nav a { color: var(--muted); text-decoration: none; font-size: 0.9rem; border-bottom: 1px solid transparent; padding-bottom: 2px; transition: all .15s ease; }
nav.main-nav a:hover, nav.main-nav a.active { color: var(--fg); border-bottom-color: var(--fg); }

form.field-group { display: flex; flex-direction: column; gap: 0.8rem; margin-bottom: 1.5rem; }
form.field-group label { font-size: 0.85rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.06em; }

.time-travel-row { display: flex; align-items: center; gap: 0.75rem; margin-top: 0.4rem; }
.time-travel-row label { font-size: 0.85rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.06em; white-space: nowrap; }

.planet-filter-group { border: none; padding: 0; margin: 0.4rem 0; display: flex; gap: 1rem; align-items: center; flex-wrap: wrap; }
.planet-filter-group legend { font-size: 0.85rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.06em; margin-right: 0.5rem; }
.planet-filter-group label { display: inline-flex; align-items: center; gap: 0.3rem; font-size: 0.85rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.06em; cursor: pointer; white-space: nowrap; }
.planet-filter-group input[type="checkbox"] { accent-color: var(--accent, #7c3aed); width: 14px; height: 14px; margin: 0; }
#at-date { background: #1a1a2e; border: 1px solid #333; color: #fff; padding: 0.5rem 0.75rem; border-radius: 4px; font-size: 0.9rem; }

input[type="date"], input[type="time"], input[type="text"], input[type="number"] {
  background: var(--card-bg); border: 1px solid var(--line); color: var(--fg);
  padding: 0.7rem 0.9rem; font-size: 1rem; width: 100%; max-width: 320px;
}
input:focus { outline: none; border-color: var(--accent); }

select#precision {
  background: var(--card-bg); border: 1px solid var(--line); color: var(--fg);
  padding: 0.7rem 0.9rem; font-size: 1rem; width: 100%; max-width: 320px;
}
select#precision:focus { outline: none; border-color: var(--accent); }

button.submit-btn {
  background: var(--fg); color: var(--bg); border: none; padding: 0.75rem 1.6rem;
  font-size: 1rem; cursor: pointer; width: fit-content; transition: opacity .15s ease;
}
button.submit-btn:hover { opacity: 0.85; }
button.submit-btn:disabled { opacity: 0.4; cursor: not-allowed; }

/* Share-card export button (moon phase page) */
.share-card-btn {
  background: transparent; color: var(--fg); border: 1px solid var(--line);
  padding: 0.6rem 1.2rem; font-size: 0.95rem; cursor: pointer; margin-top: 1.5rem;
  transition: opacity .15s ease, background-color .15s ease; width: fit-content;
}
.share-card-btn:hover { opacity: 0.85; background-color: var(--card-bg); }

.result-card { background: var(--card-bg); border: 1px solid var(--line); padding: 1.6rem; margin-top: 2rem; display: none; }
.result-card.visible { display: block; animation: fadeIn .3s ease; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(4px);} to {opacity:1; transform:none;} }

.result-card h2 { font-size: 1.3rem; font-weight: 500; margin-bottom: 0.6rem; letter-spacing: -0.01em; }
.result-card .meta { color: var(--muted); font-size: 0.85rem; margin-bottom: 1rem; }

.guidance-list { list-style: none; }
.guidance-list li { padding: 0.6rem 0; border-top: 1px solid var(--line); font-size: 0.98rem; }
.guidance-list li:first-child { border-top: none; }

.planet-row { display: flex; justify-content: space-between; padding: 0.45rem 0; border-bottom: 1px solid var(--line); font-size: 0.92rem; }
.planet-row:last-child { border-bottom: none; }
.planet-row .planet-name { color: var(--muted); }

.alert-item { padding: 0.7rem 0; border-top: 1px solid var(--line); font-size: 0.95rem; display: flex; justify-content: space-between; gap: 1rem; }
.alert-item:first-child { border-top: none; }
.alert-item .when { color: var(--muted); font-size: 0.82rem; white-space: nowrap; }

.house-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0.5rem; margin-top: 1rem; }
.house-cell { border: 1px solid var(--line); padding: 0.6rem; text-align: center; font-size: 0.82rem; }
.house-cell .house-num { color: var(--muted); display: block; font-size: 0.75rem; }

.category-block { margin-top: 1.4rem; padding-top: 1.2rem; border-top: 1px solid var(--line); }
.category-block h3 { font-size: 1.05rem; font-weight: 500; margin-bottom: 0.3rem; }
.tier-badge { display: inline-block; padding: 0.15rem 0.6rem; border: 1px solid var(--line); font-size: 0.78rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.04em; margin-left: 0.5rem; vertical-align: middle; }
.category-block .summary { font-size: 0.92rem; color: var(--fg); margin-top: 0.4rem; }
.aspect-list, .growth-list { list-style: none; margin-top: 0.6rem; font-size: 0.85rem; color: var(--muted); }

.reading-block { padding: 0.7rem 0; border-bottom: 1px solid var(--line); font-size: 0.92rem; line-height: 1.45; }
.reading-block:last-child { border-bottom: none; }
.reading-block.asc-reading { border-top: 1px solid var(--line); padding-top: 0.9rem; margin-bottom: 1rem; }
.reading-title { font-size: 0.95rem; font-weight: 600; margin-bottom: 0.4rem; letter-spacing: -0.01em; }
.reading-text { color: var(--fg); opacity: 0.85; margin: 0.35rem 0 0 0; line-height: 1.5; font-size: 0.92rem; }
.aspect-list li, .growth-list li { padding: 0.2rem 0; }

.hex-symbol { font-size: 3rem; text-align: center; margin: 1rem 0; line-height: 1; }
.hex-name { text-align: center; font-size: 1.4rem; font-weight: 500; }
.hex-pinyin { text-align: center; color: var(--muted); font-size: 0.9rem; margin-bottom: 1rem; }

.forecast-week { list-style: none; }
.forecast-week li { padding: 0.8rem 0; border-top: 1px solid var(--line); }
.forecast-week li:first-child { border-top: none; }
.forecast-day-head { font-size: 1.05rem; font-weight: 500; margin-bottom: 0.4rem; letter-spacing: -0.01em; }
.planet-chips { display: flex; gap: 0.4rem; flex-wrap: wrap; margin-bottom: 0.3rem; }
.planet-chip { padding: 0.15rem 0.6rem; border: 1px solid var(--line); font-size: 0.78rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.04em; }
.forecast-summary { font-size: 0.95rem; margin: 0; line-height: 1.45; }

.error-msg { color: var(--error); font-size: 0.9rem; margin-top: 0.8rem; display: none; }
.error-msg.visible { display: block; }

footer.site-footer { text-align: center; color: var(--muted); font-size: 0.75rem; margin-top: 3rem; }

/* ---- Info boxes, help text, explainers (added for onboarding) ---- */
.info-box {
  background: var(--card-bg, rgba(255,255,255,0.04));
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 1rem 1.2rem;
  margin-bottom: 1.6rem;
}
.info-box h3 { font-size: 1rem; margin: 0 0 0.5rem 0; }
.info-box p, .info-box li { font-size: 0.92rem; line-height: 1.45; color: var(--fg); }
.info-box ul { padding-left: 1.2rem; margin: 0.4rem 0 0 0; }

.help-text { display: block; font-size: 0.8rem; color: var(--muted); margin-top: 0.25rem; }

details.how-to {
  background: var(--card-bg, rgba(255,255,255,0.04));
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0.6rem 1rem;
  margin-bottom: 1.6rem;
}
details.how-to summary {
  cursor: pointer;
  font-weight: 600;
  color: var(--fg);
  font-size: 0.95rem;
}
details.how-to[open] summary { margin-bottom: 0.5rem; }
details.how-to p, details.how-to li { font-size: 0.92rem; line-height: 1.45; color: var(--fg); margin: 0.3rem 0; }

/* Moon Phase page */
.moon-phase-display { display: flex; align-items: center; gap: 1.5rem; margin-top: 0.8rem; }
.moon-icon { font-size: 3.2rem; line-height: 1; }
.moon-details { display: flex; flex-direction: column; gap: 0.3rem; }
.moon-phase-name { font-size: 1.4rem; font-weight: 600; color: var(--fg); }
.moon-illumination { font-size: 0.95rem; color: var(--muted); }

/* Daily horoscope moon context */
.result-card .moon-context { margin-top: 0.8rem; padding-top: 0.6rem; border-top: 1px solid var(--line); font-size: 0.9rem; color: var(--muted); }

/* Shareable reading pages (/reading/{token}) */
.reading-share-card { background: var(--card-bg); border: 1px solid var(--line); padding: 2rem; margin-top: 2rem; text-align: center; }
.reading-sign { font-size: 2.4rem; font-weight: 600; letter-spacing: -0.02em; margin-bottom: 0.5rem; color: var(--fg); }
.reading-subtitle { color: var(--muted); font-size: 1rem; margin-bottom: 1rem; text-transform: uppercase; letter-spacing: 0.08em; }
.reading-divider { height: 1px; background: var(--line); margin: 1.2rem auto; width: 60%; }
.reading-guidance, .reading-placements { list-style: none; padding: 0; text-align: left; max-width: 34rem; margin: 0 auto; }
.reading-guidance li, .reading-placements li { font-size: 1.05rem; line-height: 1.6; color: var(--fg); padding: 0.7rem 0; border-bottom: 1px solid var(--line); }
.reading-guidance li:last-child, .reading-placements li:last-child { border-bottom: none; }
.reading-focus { font-size: 1.2rem; color: var(--fg); margin-bottom: 0.8rem; }
.reading-message { font-size: 1.1rem; line-height: 1.6; color: var(--fg); max-width: 34rem; margin: 0 auto 1rem; }
.reading-moon { margin-top: 1rem; padding-top: 0.8rem; border-top: 1px solid var(--line); font-size: 0.95rem; color: var(--muted); }
.reading-cta { margin-top: 2rem; padding-top: 1.4rem; border-top: 1px solid var(--line); }
.reading-cta p { color: var(--fg); font-size: 1.05rem; margin-bottom: 0.8rem; }
.reading-cta-btn { display: inline-block; padding: 0.7rem 1.6rem; background: var(--accent); color: #0f0f0f; text-decoration: none; font-weight: 600; border-radius: 4px; transition: opacity .2s ease; }
.reading-cta-btn:hover { opacity: 0.85; }

/* Share button on reading pages */
.share-url-btn { margin-top: 1rem; padding: 0.5rem 1rem; background: transparent; border: 1px solid var(--line); color: var(--muted); cursor: pointer; font-size: 0.85rem; transition: all .2s ease; }
.share-url-btn:hover { color: var(--fg); border-color: var(--accent); }