/* ============================================================
   Gallery page — nav / masonry / lightbox
   ============================================================ */

/* ---------- nav ---------- */
.nav {
  position: sticky; top: 14px; z-index: 50;
  margin: 14px auto 0;
  width: min(1220px, calc(100% - 28px));
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 18px;
  border-radius: 22px;
}
.brand { display: flex; align-items: center; gap: 12px; }
.brand-mark {
  width: 40px; height: 40px; border-radius: 13px;
  display: grid; place-items: center; font-size: 20px;
  background: linear-gradient(150deg, rgba(124,196,255,0.55), rgba(177,140,255,0.45));
  border: 1px solid rgba(255,255,255,0.4);
  box-shadow: var(--inner-spec), 0 4px 14px rgba(120,120,255,0.3);
  color: #fff;
}
.brand-title { font-size: 16px; font-weight: 700; letter-spacing: -0.01em; }
.brand-sub { font-size: 11.5px; color: var(--text-faint); letter-spacing: 0.04em; }
.nav-actions { display: flex; align-items: center; gap: 10px; }
.nav-actions .ico { font-size: 16px; }

/* ---------- hero ---------- */
.hero { max-width: 1220px; margin: 64px auto 34px; padding: 0 22px; text-align: center; }
.hero-title {
  font-size: clamp(36px, 6vw, 68px); font-weight: 800;
  letter-spacing: -0.035em; line-height: 1.04;
  text-shadow: 0 2px 40px rgba(0,0,0,0.4);
}
.hero-title .grad {
  background: linear-gradient(100deg, #ffffff 0%, #f2f6ff 50%, #e6ecff 76%, #ffc9e6 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
  filter: drop-shadow(0 1px 1px rgba(4,6,16,0.9)) drop-shadow(0 3px 10px rgba(4,6,16,0.65)) drop-shadow(0 8px 30px rgba(177,140,255,0.5));
}
.hero-desc { margin-top: 16px; color: rgba(245,246,251,0.78); font-size: clamp(14px, 2vw, 17px); }

/* ---------- gallery grid ---------- */
.wrap { max-width: 1220px; margin: 0 auto; padding: 8px 22px 40px; flex: 1 0 auto; display: flex; flex-direction: column; justify-content: center; align-items: center; }
.gallery {
  display: flex; flex-wrap: wrap;
  justify-content: center; align-items: flex-start;
  gap: 26px;
  width: 100%;
}

.card {
  flex: 0 1 340px;
  max-width: 380px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  position: relative;
  cursor: zoom-in;
  padding: 11px;
  border: 1px solid rgba(255,255,255,0.34);
  box-shadow: var(--shadow-glass), var(--inner-spec), 0 0 0 1px rgba(255,255,255,0.06) inset;
  opacity: 1; transform: none;
  animation: cardIn 0.7s cubic-bezier(.22,1,.36,1);
  transition: box-shadow 0.4s, border-color 0.4s, transform 0.4s;
  background: linear-gradient(155deg, rgba(255,255,255,0.18) 0%, rgba(255,255,255,0.07) 38%, rgba(255,255,255,0.035) 100%);
  backdrop-filter: blur(18px) saturate(160%);
  -webkit-backdrop-filter: blur(18px) saturate(160%);
}
@keyframes cardIn { from { opacity: 0; transform: translateY(18px); } to { opacity: 1; transform: translateY(0); } }
/* liquid-glass sheen on top of every card */
.card::after {
  content: ''; position: absolute; inset: 0; pointer-events: none; z-index: 4;
  border-radius: inherit;
  background:
    linear-gradient(150deg, rgba(255,255,255,0.34) 0%, rgba(255,255,255,0.08) 22%, transparent 46%),
    radial-gradient(120% 60% at 12% 0%, rgba(255,255,255,0.24), transparent 60%);
  mix-blend-mode: screen; opacity: 0.9; transition: opacity 0.4s;
}
.card:hover::after { opacity: 1; }
.card:hover { box-shadow: var(--shadow-lift), var(--inner-spec); border-color: rgba(255,255,255,0.5); transform: translateY(-3px); }
.card img {
  display: block; width: 100%; height: auto;
  border-radius: calc(var(--radius-lg) - 11px);
  transition: transform 0.7s cubic-bezier(.22,1,.36,1);
}
.card:hover img { transform: scale(1.04); }
.card-overlay {
  position: absolute; inset: 11px;
  display: flex; align-items: flex-end;
  padding: 18px;
  border-radius: calc(var(--radius-lg) - 11px);
  background: linear-gradient(to top, rgba(4,6,14,0.78) 0%, rgba(4,6,14,0.2) 42%, transparent 72%);
  opacity: 0; transition: opacity 0.4s;
}
.card:hover .card-overlay { opacity: 1; }
.card-meta { transform: translateY(8px); transition: transform 0.45s cubic-bezier(.22,1,.36,1); }
.card:hover .card-meta { transform: translateY(0); }
.card-title { font-size: 15px; font-weight: 700; letter-spacing: -0.01em; }
.card-author { font-size: 12.5px; color: rgba(255,255,255,0.7); margin-top: 3px; }
.card-badge {
  position: absolute; top: 12px; left: 12px;
  font-size: 11px; font-weight: 700; padding: 5px 11px; border-radius: 999px;
  background: linear-gradient(150deg, rgba(255,207,107,0.85), rgba(255,160,80,0.7));
  color: #3a2400; border: 1px solid rgba(255,255,255,0.5);
  box-shadow: var(--inner-spec);
}
.card-zoom {
  position: absolute; top: 12px; right: 12px;
  width: 34px; height: 34px; border-radius: 50%;
  display: grid; place-items: center; font-size: 15px;
  background: rgba(255,255,255,0.18); backdrop-filter: blur(10px);
  border: 1px solid rgba(255,255,255,0.35); color: #fff;
  opacity: 0; transition: opacity 0.35s;
}
.card:hover .card-zoom { opacity: 1; }

/* ---------- empty ---------- */
.empty { max-width: 460px; margin: 40px auto; padding: 56px 32px; text-align: center; border-radius: var(--radius-xl); }
.empty-ico { font-size: 52px; margin-bottom: 14px; opacity: 0.85; }
.empty h3 { font-size: 20px; font-weight: 700; margin-bottom: 8px; }
.empty p { color: var(--text-dim); font-size: 14px; margin-bottom: 22px; }

.foot { text-align: center; padding: 30px 20px 44px; color: rgba(245,246,251,0.55); font-size: 12.5px; }

/* ---------- sheet close ---------- */
.sheet-close {
  position: absolute; top: 18px; right: 18px;
  width: 34px; height: 34px; border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.25); background: rgba(255,255,255,0.1);
  color: var(--text); cursor: pointer; font-size: 15px;
  transition: background 0.2s, transform 0.2s;
}
.sheet-close:hover { background: rgba(255,255,255,0.22); transform: rotate(90deg); }
.req { color: var(--accent-3); }
.form-foot { display: flex; justify-content: flex-end; gap: 12px; margin-top: 22px; }

/* ---------- dropzone ---------- */
.dropzone {
  border: 2px dashed rgba(255,255,255,0.28);
  border-radius: var(--radius-md);
  background: rgba(255,255,255,0.04);
  min-height: 180px;
  display: grid; place-items: center;
  cursor: pointer; overflow: hidden;
  transition: border-color 0.3s, background 0.3s;
  position: relative;
}
.dropzone:hover, .dropzone.drag { border-color: var(--accent); background: rgba(124,196,255,0.1); }
.dz-inner { text-align: center; padding: 26px; }
.dz-ico {
  width: 52px; height: 52px; margin: 0 auto 12px; border-radius: 16px;
  display: grid; place-items: center; font-size: 22px;
  background: linear-gradient(150deg, rgba(124,196,255,0.4), rgba(177,140,255,0.3));
  border: 1px solid rgba(255,255,255,0.35); box-shadow: var(--inner-spec);
}
.dz-text { font-size: 15px; font-weight: 600; }
.dz-hint { font-size: 12.5px; color: var(--text-faint); margin-top: 6px; }
.dz-preview { max-width: 100%; max-height: 280px; border-radius: var(--radius-md); display: block; }

/* ============================================================
   LIGHTBOX
   ============================================================ */
.lightbox {
  position: fixed; inset: 0; z-index: 150;
  display: flex; flex-direction: column;
  opacity: 0; pointer-events: none;
  transition: opacity 0.45s ease;
}
.lightbox.show { opacity: 1; pointer-events: auto; }

.lb-ambient {
  position: absolute; inset: 0; z-index: -1;
  background-size: cover; background-position: center;
  filter: blur(70px) saturate(150%) brightness(0.55);
  transform: scale(1.25);
  transition: background-image 0.6s ease;
}
.lightbox::before {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background: rgba(3,5,12,0.66);
  backdrop-filter: blur(30px) saturate(130%);
  -webkit-backdrop-filter: blur(30px) saturate(130%);
}

.lb-topbar {
  position: absolute; top: 20px; left: 50%; transform: translateX(-50%);
  display: flex; align-items: center; gap: 18px;
  padding: 9px 12px 9px 20px; border-radius: 999px; z-index: 5;
}
.lb-count { font-size: 13.5px; font-weight: 600; letter-spacing: 0.05em; color: var(--text-dim); }
.lb-close {
  width: 34px; height: 34px; border-radius: 50%; cursor: pointer;
  border: 1px solid rgba(255,255,255,0.25); background: rgba(255,255,255,0.1);
  color: var(--text); font-size: 15px; transition: background 0.2s, transform 0.2s;
}
.lb-close:hover { background: rgba(255,255,255,0.22); transform: rotate(90deg); }

.lb-nav {
  position: absolute; top: 50%; transform: translateY(-50%);
  width: 54px; height: 54px; border-radius: 50%; cursor: pointer; z-index: 5;
  border: 1px solid var(--glass-border);
  background: linear-gradient(150deg, rgba(255,255,255,0.2), rgba(255,255,255,0.07));
  backdrop-filter: blur(16px) saturate(160%); -webkit-backdrop-filter: blur(16px) saturate(160%);
  color: #fff; font-size: 30px; line-height: 1; padding-bottom: 6px;
  box-shadow: var(--shadow-glass), var(--inner-spec);
  transition: transform 0.25s, background 0.25s, opacity 0.25s;
}
.lb-nav:hover { background: rgba(255,255,255,0.3); transform: translateY(-50%) scale(1.08); }
.lb-nav:active { transform: translateY(-50%) scale(0.95); }
.lb-nav.prev { left: 26px; }
.lb-nav.next { right: 26px; }

.lb-stage {
  flex: 1; display: grid; place-items: center;
  padding: 90px 90px 120px; min-height: 0;
}
.lb-frame {
  max-width: min(1100px, 92vw); max-height: 100%;
  border-radius: var(--radius-lg);
  padding: 10px;
  display: grid; place-items: center;
  transition: transform 0.5s cubic-bezier(.22,1,.36,1), opacity 0.35s;
}
.lb-img {
  max-width: 100%; max-height: calc(100vh - 240px);
  border-radius: 16px; display: block;
  box-shadow: 0 30px 90px rgba(0,0,0,0.6);
}
/* switch transition */
.lb-frame.out-left  { transform: translateX(-8%) scale(0.94); opacity: 0; }
.lb-frame.out-right { transform: translateX(8%) scale(0.94); opacity: 0; }
.lb-frame.in-right  { animation: slideInR 0.5s cubic-bezier(.22,1,.36,1); }
.lb-frame.in-left   { animation: slideInL 0.5s cubic-bezier(.22,1,.36,1); }
@keyframes slideInR { from { transform: translateX(8%) scale(0.94); opacity: 0; } to { transform: none; opacity: 1; } }
@keyframes slideInL { from { transform: translateX(-8%) scale(0.94); opacity: 0; } to { transform: none; opacity: 1; } }

.lb-caption {
  position: absolute; bottom: 26px; left: 50%; transform: translateX(-50%);
  width: min(680px, calc(100% - 40px));
  padding: 18px 22px; border-radius: var(--radius-lg);
  display: flex; align-items: center; justify-content: space-between; gap: 18px;
  z-index: 5;
}
.lb-cap-main h3 { font-size: 18px; font-weight: 700; letter-spacing: -0.01em; }
.lb-cap-main p { font-size: 13.5px; color: var(--text-dim); margin-top: 5px; line-height: 1.5; max-height: 44px; overflow: hidden; }
.lb-author { display: flex; align-items: center; gap: 9px; font-size: 13.5px; color: var(--text-dim); white-space: nowrap; }
.lb-avatar {
  width: 32px; height: 32px; border-radius: 50%;
  display: grid; place-items: center; font-size: 14px; font-weight: 700; color: #fff;
  background: linear-gradient(150deg, rgba(124,196,255,0.7), rgba(177,140,255,0.6));
  border: 1px solid rgba(255,255,255,0.4);
}

.lb-wheelhint {
  position: absolute; bottom: 170px; left: 50%; transform: translateX(-50%);
  font-size: 13px; color: rgba(255,255,255,0.75);
  padding: 8px 16px; border-radius: 999px;
  background: rgba(0,0,0,0.45); backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,0.16);
  opacity: 0; transition: opacity 0.4s; pointer-events: none; z-index: 6;
}
.lb-wheelhint.show { opacity: 1; }

.lb-dots {
  position: absolute; bottom: 108px; left: 50%; transform: translateX(-50%);
  display: flex; gap: 7px; z-index: 5;
}
.lb-dot {
  width: 7px; height: 7px; border-radius: 50%; cursor: pointer;
  background: rgba(255,255,255,0.3); border: none; padding: 0;
  transition: all 0.3s;
}
.lb-dot.active { width: 22px; border-radius: 999px; background: rgba(255,255,255,0.9); }

@media (max-width: 700px) {
  .lb-nav { width: 44px; height: 44px; font-size: 24px; }
  .lb-nav.prev { left: 8px; } .lb-nav.next { right: 8px; }
  .lb-stage { padding: 80px 20px 140px; }
  .lb-caption { flex-direction: column; align-items: flex-start; gap: 10px; }
  .lb-dots { bottom: 128px; }
  .nav { flex-wrap: wrap; gap: 10px; }
}