/* ============================================================
   GALLERY — 光影集 📷
   统一 Wabi-Sabi Ink 水墨侘寂风格
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,300;0,400;0,500;0,600;0,700;1,400&family=Noto+Serif+SC:wght@300;400;500;600;700&family=JetBrains+Mono:wght@300;400&display=swap');

:root {
  --g-bg: #f7f5f0;
  --g-bg-alt: #ede9e1;
  --g-ink: #1a1a1a;
  --g-ink-dim: rgba(26,26,26,0.55);
  --g-ink-faint: rgba(26,26,26,0.08);
  --g-white: #ffffff;
  --g-moss: #7a8471;
  --g-clay: #a89080;
  --g-sepia: #8b7355;
  --g-display: 'Cormorant Garamond', 'Noto Serif SC', serif;
  --g-body: 'Noto Serif SC', 'Cormorant Garamond', serif;
  --g-mono: 'JetBrains Mono', monospace;
}

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

body {
  background: var(--g-bg);
  color: var(--g-ink);
  font-family: var(--g-body);
  min-height: 100vh;
  overflow-x: hidden;
  position: relative;
  line-height: 1.7;
}

/* 水墨晕染背景 */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 0.5;
  background:
    radial-gradient(circle 300px at 10% 15%, rgba(122,132,113,0.04), transparent 70%),
    radial-gradient(circle 250px at 90% 30%, rgba(168,144,128,0.03), transparent 70%),
    radial-gradient(circle 350px at 15% 75%, rgba(139,115,85,0.03), transparent 70%),
    radial-gradient(circle 200px at 85% 85%, rgba(122,132,113,0.04), transparent 70%);
}

body::after { display: none; }

a { color: inherit; text-decoration: none; }

/* === 顶栏 === */
.g-topbar {
  position: sticky; top: 0; z-index: 100;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  padding: 1rem 2.5rem;
  padding-top: calc(1rem + env(safe-area-inset-top, 0px));
  font-family: var(--g-mono);
  font-size: 0.6rem;
  font-weight: 300;
  letter-spacing: 2px;
  text-transform: uppercase;
  background: rgba(247,245,240,0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--g-ink-faint);
  color: var(--g-ink-dim);
}

.g-topbar-left {
  font-family: var(--g-mono); font-size: 0.6rem;
  color: var(--g-moss);
}

.g-topbar-right {
  display: flex; gap: 1.2rem; justify-content: flex-end;
}

.g-nav-link {
  color: var(--g-ink-dim);
  text-decoration: none;
  font-family: var(--g-mono);
  font-size: 0.6rem; font-weight: 300;
  letter-spacing: 2px;
  transition: color 0.3s;
}
.g-nav-link:hover { color: var(--g-moss); }

.g-back {
  color: var(--g-ink-dim);
  transition: color 0.3s;
}
.g-back:hover { color: var(--g-moss); }

.g-logo {
  font-family: var(--g-display);
  font-size: 1.3rem; font-weight: 500; letter-spacing: 1px;
  color: var(--g-ink);
  text-align: center;
  font-style: italic;
}

.g-count { color: var(--g-moss); }

/* === Hero === */
.g-hero {
  text-align: center;
  padding: 5rem 2rem 2rem;
  position: relative; z-index: 1;
}

.g-hero-style {
  display: inline-block;
  font-family: var(--g-mono);
  font-size: 0.5rem; font-weight: 300; letter-spacing: 4px;
  text-transform: uppercase;
  color: var(--g-ink-dim);
  border: 1px solid var(--g-ink-faint);
  padding: 0.5rem 1.5rem;
  border-radius: 100px;
  margin-bottom: 2rem;
}

.g-title {
  font-family: var(--g-display);
  font-size: clamp(3rem, 10vw, 5rem);
  font-weight: 300;
  letter-spacing: 0;
  line-height: 0.95;
  color: var(--g-ink);
  margin-bottom: 0.5rem;
  font-style: italic;
}

.g-sub {
  font-family: var(--g-display);
  font-size: clamp(1rem, 2.5vw, 1.4rem);
  font-weight: 400;
  color: var(--g-moss);
  font-style: italic;
}

.g-hero-line {
  width: 60px; height: 1px;
  margin: 2rem auto 0;
  background: var(--g-ink-faint);
}

/* === 照片区 === */
.g-scatter {
  position: relative; z-index: 1;
  max-width: 900px;
  margin: 0 auto;
  padding: 2rem 2rem 4rem;
}

.g-item {
  position: relative;
  display: block;
  margin: 0 auto 3rem;
  max-width: 460px;
  cursor: pointer;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.8s ease, transform 0.6s ease;
}

.g-item.visible {
  opacity: 1;
  transform: translateY(0);
}

/* 水墨风格卡片框：细线边框 + 柔和阴影 */
.g-frame {
  position: relative;
  background: var(--g-white);
  border: 1px solid var(--g-ink-faint);
  padding: 16px 16px 50px;
  box-shadow: 0 8px 30px rgba(26,26,26,0.06);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.g-item:hover .g-frame {
  box-shadow: 0 16px 50px rgba(26,26,26,0.1);
  transform: translateY(-2px);
}

/* 顶部细线 */
.g-frame::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: var(--g-clay);
  opacity: 0.4;
}

.g-frame img {
  width: 100%; display: block;
}

.g-caption {
  position: absolute;
  bottom: 12px; left: 16px; right: 16px;
  display: flex; align-items: center; justify-content: space-between;
}

.g-caption-title {
  font-family: var(--g-display);
  font-size: 1.1rem; font-weight: 500;
  color: var(--g-ink);
  font-style: italic;
}

.g-caption-date {
  font-family: var(--g-mono);
  font-size: 0.5rem; color: var(--g-ink-dim); letter-spacing: 2px;
}

/* === 派大星语录 === */
.g-quote {
  padding: 0.5rem 1rem;
  font-family: var(--g-display);
  font-size: 0.95rem;
  color: var(--g-ink-dim);
  text-align: center;
  border-top: 1px solid var(--g-ink-faint);
  font-style: italic;
}

/* === 空状态 === */
.g-empty {
  text-align: center; padding: 5rem 2rem; color: var(--g-ink-dim);
}
.g-empty-icon { font-size: 3rem; margin-bottom: 1rem; opacity: 0.2; }
.g-empty-text { font-family: var(--g-display); font-size: 1.2rem; color: var(--g-ink-faint); font-style: italic; }

/* === Lightbox === */
.lightbox {
  position: fixed; inset: 0; z-index: 9999;
  background: rgba(247,245,240,0.97);
  display: none;
  align-items: center; justify-content: center;
  opacity: 0;
  transition: opacity 0.4s ease;
}

.lightbox.open { display: flex; opacity: 1; }

.lb-content {
  max-width: 90vw; max-height: 90vh;
  position: relative;
  display: flex; flex-direction: column; align-items: center;
}

.lb-content img {
  max-width: 90vw; max-height: 72vh;
  object-fit: contain;
  border: 1px solid var(--g-ink-faint);
  box-shadow: 0 20px 60px rgba(26,26,26,0.08);
}

.lb-info { text-align: center; padding-top: 1rem; }

.lb-title {
  font-family: var(--g-display);
  font-size: 1.3rem; font-weight: 500;
  color: var(--g-ink);
  font-style: italic;
}

.lb-caption {
  font-size: 0.85rem; color: var(--g-ink-dim);
  margin-top: 0.3rem; max-width: 500px; line-height: 1.6;
}

.lb-date {
  font-family: var(--g-mono);
  font-size: 0.5rem; color: var(--g-ink-faint);
  letter-spacing: 3px; margin-top: 0.5rem; text-transform: uppercase;
}

.lb-quote {
  font-family: var(--g-display);
  font-size: 1rem;
  color: var(--g-ink-dim);
  margin-top: 0.8rem;
  text-align: center;
  max-width: 500px;
  font-style: italic;
}

.lb-close, .lb-prev, .lb-next {
  position: absolute;
  background: var(--g-bg);
  border: 1px solid var(--g-ink-faint);
  color: var(--g-ink);
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: all 0.3s;
  font-weight: 400;
}

.lb-close { top: 1.5rem; right: 1.5rem; width: 44px; height: 44px; border-radius: 50%; font-size: 1.1rem; }
.lb-prev, .lb-next { top: 50%; transform: translateY(-50%); width: 48px; height: 48px; border-radius: 50%; font-size: 1.4rem; }
.lb-prev { left: 1.5rem; }
.lb-next { right: 1.5rem; }

.lb-close:hover { background: var(--g-moss); color: var(--g-white); border-color: var(--g-moss); }
.lb-prev:hover { background: var(--g-clay); color: var(--g-white); border-color: var(--g-clay); }
.lb-next:hover { background: var(--g-clay); color: var(--g-white); border-color: var(--g-clay); }

/* === Footer === */
.g-footer { text-align: center; padding: 3rem 2rem 2rem; position: relative; z-index: 1; margin: 0 2rem; border-top: 1px solid var(--g-ink-faint); }

.g-stripes {
  height: 1px;
  max-width: 300px;
  margin: 0 auto 1.5rem;
  background: linear-gradient(90deg, transparent, var(--g-ink-faint), transparent);
}

.g-footer p {
  font-family: var(--g-mono);
  font-size: 0.5rem; color: var(--g-ink-faint); letter-spacing: 3px;
}

/* === 响应式 === */
@media (max-width: 768px) {
  .g-topbar {
    padding: 0.6rem 1rem;
    grid-template-columns: 1fr;
    grid-template-rows: auto auto;
    text-align: center;
    gap: 0.3rem;
  }
  .g-topbar-left { display: none; }
  .g-topbar-right { justify-content: center; flex-wrap: wrap; gap: 0.8rem; }
  .g-nav-link { font-size: 0.55rem; }
  .g-logo { text-align: center; }
  .g-hero { padding: 4rem 1rem 1.5rem; }
  .g-scatter { padding: 1.5rem 1rem 3rem; }
  .g-item { max-width: 100%; margin-bottom: 2.5rem; }
  .g-frame { box-shadow: 0 5px 20px rgba(26,26,26,0.06); }
  .lb-prev { left: 0.5rem; }
  .lb-next { right: 0.5rem; }
  .lb-close { top: 1rem; right: 1rem; }
}

@media (max-width: 480px) {
  .g-scatter { padding: 1rem 0.6rem 2rem; }
  .g-frame { padding: 10px 10px 40px; }
}

@media (hover: none) and (pointer: coarse) {
  .g-item:hover .g-frame {
    transform: none;
    box-shadow: 0 8px 30px rgba(26,26,26,0.06);
  }
}