/* ===== AI Photo Gallery — styles ===== */
* { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --bg: #07070f;
  --bg-soft: #0d0d1c;
  --surface: rgba(255, 255, 255, 0.04);
  --surface-2: rgba(255, 255, 255, 0.07);
  --border: rgba(255, 255, 255, 0.1);
  --text: #f0f0f8;
  --text-dim: #9a9ab5;
  --accent1: #ff2e97;
  --accent2: #7b5cff;
  --accent3: #00d4ff;
  --glow: rgba(123, 92, 255, 0.45);
  --radius: 18px;
  --shadow: 0 18px 50px rgba(0, 0, 0, 0.55);
  --font: "Segoe UI", "Inter", system-ui, -apple-system, sans-serif;
}

body.light {
  --bg: #f3f2fb;
  --bg-soft: #ffffff;
  --surface: rgba(20, 10, 60, 0.04);
  --surface-2: rgba(20, 10, 60, 0.08);
  --border: rgba(20, 10, 60, 0.12);
  --text: #17123a;
  --text-dim: #6b668f;
  --glow: rgba(123, 92, 255, 0.25);
  --shadow: 0 18px 40px rgba(60, 40, 140, 0.15);
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  overflow-x: hidden;
  transition: background 0.5s ease, color 0.5s ease;
}

.container { width: min(1240px, 92%); margin: 0 auto; }
.hidden { display: none !important; }

/* ===== animated background orbs ===== */
.bg-decor { position: fixed; inset: 0; z-index: -1; overflow: hidden; }
.orb {
  position: absolute; border-radius: 50%; filter: blur(90px); opacity: 0.55;
  animation: drift 22s ease-in-out infinite alternate;
}
.orb-1 { width: 520px; height: 520px; background: var(--accent2); top: -140px; left: -120px; }
.orb-2 { width: 460px; height: 460px; background: var(--accent1); bottom: -120px; right: -100px; animation-delay: -8s; }
.orb-3 { width: 380px; height: 380px; background: var(--accent3); top: 45%; left: 55%; opacity: 0.35; animation-delay: -14s; }
@keyframes drift {
  0%   { transform: translate(0, 0) scale(1); }
  50%  { transform: translate(60px, -50px) scale(1.15); }
  100% { transform: translate(-40px, 40px) scale(0.95); }
}

/* ===== header ===== */
.site-header {
  position: sticky; top: 0; z-index: 50;
  backdrop-filter: blur(18px);
  background: color-mix(in srgb, var(--bg) 72%, transparent);
  border-bottom: 1px solid var(--border);
}
.header-inner { display: flex; align-items: center; gap: 24px; padding: 14px 0; flex-wrap: wrap; }
.logo { display: flex; align-items: center; gap: 10px; cursor: pointer; user-select: none; }
.logo-mark {
  font-size: 26px;
  background: linear-gradient(135deg, var(--accent1), var(--accent2), var(--accent3));
  -webkit-background-clip: text; background-clip: text; color: transparent;
  animation: spinPulse 4s linear infinite;
}
@keyframes spinPulse { 0%,100% { transform: scale(1) rotate(0); } 50% { transform: scale(1.2) rotate(180deg); } }
.logo-text { font-weight: 700; font-size: 19px; letter-spacing: 0.4px; }
.logo-text em {
  font-style: normal;
  background: linear-gradient(90deg, var(--accent1), var(--accent3));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.nav { display: flex; gap: 6px; margin-left: auto; }
.nav-link {
  color: var(--text-dim); text-decoration: none; font-size: 15px; font-weight: 600;
  padding: 8px 14px; border-radius: 999px; transition: all 0.25s ease;
}
.nav-link:hover { color: var(--text); background: var(--surface-2); }
.theme-toggle {
  background: var(--surface-2); border: 1px solid var(--border); color: var(--text);
  width: 40px; height: 40px; border-radius: 50%; cursor: pointer; font-size: 17px;
  transition: transform 0.3s ease, background 0.3s ease;
}
.theme-toggle:hover { transform: rotate(20deg) scale(1.08); }

/* ===== language switcher (EN · RU · DE) ===== */
.lang-switch {
  display: flex; gap: 4px; padding: 4px;
  background: var(--surface-2); border: 1px solid var(--border); border-radius: 999px;
}
.lang-btn {
  border: none; background: transparent; color: var(--text-dim); cursor: pointer;
  font-family: inherit; font-size: 12.5px; font-weight: 800; letter-spacing: 0.6px;
  padding: 6px 11px; border-radius: 999px;
  transition: color 0.25s ease, background 0.25s ease, transform 0.25s ease, box-shadow 0.25s ease;
}
.lang-btn:hover { color: var(--text); transform: translateY(-1px); }
.lang-btn.active {
  background: linear-gradient(135deg, var(--accent1), var(--accent2));
  color: #fff; box-shadow: 0 4px 14px var(--glow);
  animation: langPop 0.3s ease;
}
@keyframes langPop { from { transform: scale(0.86); } to { transform: scale(1); } }

/* ===== hero ===== */
.hero { text-align: center; padding: 90px 0 70px; position: relative; }
.hero-badge {
  display: inline-block; padding: 8px 18px; border-radius: 999px;
  background: var(--surface-2); border: 1px solid var(--border);
  color: var(--text-dim); font-size: 14px; font-weight: 600; letter-spacing: 0.6px;
  animation: fadeUp 0.8s ease both;
}
.hero-title {
  margin: 26px 0 18px;
  font-size: clamp(38px, 6.4vw, 74px);
  line-height: 1.05; font-weight: 800; letter-spacing: -1.5px;
  animation: fadeUp 0.8s 0.12s ease both;
}
.gradient-text {
  background: linear-gradient(90deg, var(--accent1), var(--accent2) 45%, var(--accent3));
  background-size: 200% 100%;
  -webkit-background-clip: text; background-clip: text; color: transparent;
  animation: shine 5s linear infinite;
}
@keyframes shine { 0% { background-position: 0% 0; } 100% { background-position: 200% 0; } }
.hero-sub {
  max-width: 660px; margin: 0 auto; color: var(--text-dim);
  font-size: 17px; line-height: 1.65; animation: fadeUp 0.8s 0.24s ease both;
}
.hero-cta { display: flex; gap: 14px; justify-content: center; margin: 34px 0 46px; flex-wrap: wrap; animation: fadeUp 0.8s 0.36s ease both; }

.btn {
  border: none; cursor: pointer; font-family: inherit; font-weight: 700; font-size: 15px;
  padding: 14px 28px; border-radius: 999px; transition: all 0.28s ease; color: #fff;
}
.btn-primary {
  background: linear-gradient(135deg, var(--accent1), var(--accent2));
  box-shadow: 0 10px 30px var(--glow);
}
.btn-primary:hover { transform: translateY(-3px) scale(1.03); box-shadow: 0 16px 40px var(--glow); }
.btn-ghost {
  background: var(--surface-2); border: 1px solid var(--border); color: var(--text);
}
.btn-ghost:hover { transform: translateY(-3px); border-color: var(--accent2); }
.btn-back {
  background: var(--surface-2); border: 1px solid var(--border); color: var(--text);
  align-self: flex-start;
}
.btn-back:hover { border-color: var(--accent3); }
.btn-small { padding: 9px 16px; font-size: 13px; background: var(--surface-2); border: 1px solid var(--border); color: var(--text); }
.btn-small:hover { border-color: var(--accent2); }

.hero-stats {
  display: flex; justify-content: center; gap: 46px; flex-wrap: wrap;
  animation: fadeUp 0.8s 0.48s ease both;
}
.stat { display: flex; flex-direction: column; gap: 4px; }
.stat-num {
  font-size: 34px; font-weight: 800;
  background: linear-gradient(135deg, var(--accent3), var(--accent2));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.stat-label { color: var(--text-dim); font-size: 13px; text-transform: uppercase; letter-spacing: 1.4px; }
.hero-scroll-hint {
  margin-top: 54px; color: var(--text-dim); font-size: 13px; letter-spacing: 2px;
  animation: bounceHint 2s ease-in-out infinite;
}
@keyframes bounceHint { 0%,100% { transform: translateY(0); opacity: 0.5; } 50% { transform: translateY(8px); opacity: 1; } }

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(28px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ===== sections ===== */
.categories, .gallery, .about { padding: 70px 0; }
.section-title {
  font-size: clamp(28px, 4vw, 42px); font-weight: 800; text-align: center; letter-spacing: -0.8px;
  animation: fadeUp 0.7s ease both;
}
.section-sub { text-align: center; color: var(--text-dim); margin: 10px 0 40px; font-size: 16px; }

/* ===== category grid ===== */
.cat-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 20px;
}
.cat-card {
  position: relative; border-radius: var(--radius); padding: 26px 22px; cursor: pointer;
  background: var(--surface); border: 1px solid var(--border);
  overflow: hidden; transition: transform 0.35s cubic-bezier(.2,.8,.3,1), box-shadow 0.35s ease, border-color 0.3s ease;
  opacity: 0; animation: fadeUp 0.6s ease forwards;
}
.cat-card::before {
  content: ""; position: absolute; inset: 0;
  background: var(--cat-gradient, linear-gradient(135deg, var(--accent1), var(--accent2)));
  opacity: 0.12; transition: opacity 0.35s ease;
}
.cat-card::after {
  content: ""; position: absolute; top: -60%; left: -60%; width: 80%; height: 220%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.14), transparent);
  transform: rotate(18deg) translateX(-120%);
  transition: transform 0.7s ease;
}
.cat-card:hover::before { opacity: 0.28; }
.cat-card:hover::after { transform: rotate(18deg) translateX(320%); }
.cat-card:hover {
  transform: translateY(-8px) scale(1.02);
  border-color: var(--accent2);
  box-shadow: 0 20px 50px var(--glow);
}
.cat-emoji {
  font-size: 40px; display: inline-block; margin-bottom: 14px;
  filter: drop-shadow(0 6px 14px rgba(0,0,0,0.35));
  transition: transform 0.35s ease;
}
.cat-card:hover .cat-emoji { transform: scale(1.25) rotate(-8deg); }
.cat-name { font-size: 19px; font-weight: 700; margin-bottom: 6px; position: relative; }
.cat-desc { color: var(--text-dim); font-size: 13.5px; line-height: 1.5; position: relative; }
.cat-count {
  position: absolute; top: 16px; right: 16px; font-size: 12px; font-weight: 700;
  background: var(--surface-2); border: 1px solid var(--border);
  padding: 5px 11px; border-radius: 999px; color: var(--text-dim); z-index: 2;
}

/* ===== gallery ===== */
.gallery-head { display: flex; flex-wrap: wrap; align-items: flex-end; gap: 18px; margin-bottom: 34px; }
.gallery-info { flex: 1; min-width: 240px; text-align: left; }
.gallery-info .section-title, .gallery-info .section-sub { text-align: left; margin: 0; }
.gallery-info .section-title { animation: none; }
.search-wrap { position: relative; display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.ai-toggle {
  padding: 11px 16px; border-radius: 999px; cursor: pointer; font-family: inherit;
  font-weight: 700; font-size: 13.5px; white-space: nowrap;
  background: linear-gradient(135deg, rgba(255,46,151,0.22), rgba(0,212,255,0.22));
  border: 1px solid var(--border); color: var(--text);
  transition: all 0.28s ease;
}
.ai-toggle:hover { transform: translateY(-2px); box-shadow: 0 8px 22px var(--glow); border-color: var(--accent3); }
.ai-toggle.off { background: var(--surface-2); opacity: 0.75; }
.ai-local {
  font-size: 12.5px; font-weight: 600; color: var(--text-dim);
  white-space: nowrap; padding: 6px 10px; border-radius: 999px;
  background: var(--surface-2); border: 1px dashed var(--border);
}
.ai-local.has-files { color: var(--accent3); border-color: var(--accent3); }
/* диагностика: локальной библиотеки нет либо сервер отдаёт HTML вместо JPG */
.ai-local.warn {
  color: #ffb020; border-color: #ffb020; border-style: solid;
  background: rgba(255, 176, 32, 0.12);
  animation: warnPulse 1.8s ease-in-out infinite;
}
@keyframes warnPulse { 0%,100% { box-shadow: 0 0 0 0 rgba(255,176,32,0.35); } 50% { box-shadow: 0 0 0 6px rgba(255,176,32,0); } }
.search-wrap input {
  width: 300px; max-width: 100%; padding: 13px 44px 13px 18px; border-radius: 999px;
  background: var(--surface-2); border: 1px solid var(--border); color: var(--text);
  font-family: inherit; font-size: 14.5px; outline: none; transition: all 0.3s ease;
}
.search-wrap input:focus { border-color: var(--accent2); box-shadow: 0 0 0 4px var(--glow); width: 340px; }
.search-icon { position: absolute; right: 16px; top: 50%; transform: translateY(-50%); opacity: 0.6; }

.grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 18px;
}
.photo-card {
  position: relative; border-radius: 16px; overflow: hidden; cursor: pointer;
  background: var(--surface-2); border: 1px solid var(--border);
  aspect-ratio: 4 / 3;
  opacity: 0; transform: translateY(24px) scale(0.96);
  animation: cardIn 0.55s cubic-bezier(.2,.8,.3,1) forwards;
  transition: box-shadow 0.35s ease, border-color 0.3s ease;
}
@keyframes cardIn { to { opacity: 1; transform: translateY(0) scale(1); } }
.photo-card canvas, .photo-card .photo-media {
  width: 100%; height: 100%; display: block; object-fit: cover; position: absolute; inset: 0;
}
.photo-ai {
  opacity: 0; transition: opacity 0.6s ease;
}
.photo-ai.loaded { opacity: 1; }
.photo-card::before {
  content: ""; position: absolute; inset: 0; z-index: 0;
  background: linear-gradient(110deg, var(--surface-2) 25%, var(--surface) 37%, var(--surface-2) 63%);
  background-size: 300% 100%;
  animation: shimmer 1.6s ease-in-out infinite;
}
.photo-card:has(.photo-ai.loaded)::before, .photo-card:has(canvas)::before { animation: none; opacity: 0; }
@keyframes shimmer { 0% { background-position: 200% 0; } 100% { background-position: -200% 0; } }
.photo-card .photo-num, .photo-card .fav-btn, .photo-card .photo-overlay { z-index: 2; }
.photo-card:hover {
  z-index: 2; border-color: var(--accent3);
  box-shadow: 0 18px 44px rgba(0, 212, 255, 0.28);
}
.photo-overlay {
  position: absolute; inset: 0; display: flex; flex-direction: column; justify-content: flex-end;
  padding: 14px; gap: 4px;
  background: linear-gradient(to top, rgba(0,0,0,0.78) 0%, rgba(0,0,0,0.15) 55%, transparent 100%);
  opacity: 0; transition: opacity 0.35s ease;
}
.photo-card:hover .photo-overlay { opacity: 1; }
.photo-title {
  color: #fff; font-size: 13.5px; font-weight: 700; line-height: 1.3;
  transform: translateY(8px); transition: transform 0.35s ease;
}
.photo-card:hover .photo-title { transform: translateY(0); }
.photo-cat { color: rgba(255,255,255,0.75); font-size: 11.5px; }
.photo-num {
  position: absolute; top: 10px; left: 10px; font-size: 11px; font-weight: 700;
  background: rgba(0,0,0,0.55); color: #fff; padding: 4px 9px; border-radius: 999px;
  backdrop-filter: blur(6px);
}
.fav-btn {
  position: absolute; top: 8px; right: 8px; width: 34px; height: 34px; border-radius: 50%;
  background: rgba(0,0,0,0.5); border: none; cursor: pointer; font-size: 15px; color: #fff;
  backdrop-filter: blur(6px); opacity: 0; transform: scale(0.7);
  transition: all 0.25s ease; z-index: 3;
}
.photo-card:hover .fav-btn, .fav-btn.active { opacity: 1; transform: scale(1); }
.fav-btn:hover { background: rgba(255, 46, 151, 0.7); transform: scale(1.15); }

/* ===== pagination ===== */
.pagination {
  display: flex; justify-content: center; align-items: center; gap: 8px;
  margin-top: 40px; flex-wrap: wrap;
}
.page-btn {
  min-width: 42px; height: 42px; padding: 0 12px; border-radius: 12px; cursor: pointer;
  background: var(--surface-2); border: 1px solid var(--border); color: var(--text);
  font-family: inherit; font-weight: 700; font-size: 14px;
  transition: all 0.25s ease;
}
.page-btn:hover:not(:disabled) {
  border-color: var(--accent2); transform: translateY(-2px); box-shadow: 0 8px 20px var(--glow);
}
.page-btn.active {
  background: linear-gradient(135deg, var(--accent1), var(--accent2));
  border-color: transparent; color: #fff; box-shadow: 0 8px 22px var(--glow);
}
.page-btn:disabled { opacity: 0.35; cursor: not-allowed; }
.page-info { color: var(--text-dim); font-size: 14px; margin: 0 10px; font-weight: 600; }

/* ===== about ===== */
.about-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 20px; }
.about-card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 30px 26px; transition: transform 0.35s ease, border-color 0.3s ease, box-shadow 0.35s ease;
}
.about-card:hover { transform: translateY(-6px); border-color: var(--accent3); box-shadow: var(--shadow); }
.about-icon { font-size: 36px; margin-bottom: 14px; }
.about-card h3 { font-size: 20px; margin-bottom: 8px; }
.about-card p { color: var(--text-dim); font-size: 14.5px; line-height: 1.6; }

/* ===== footer ===== */
.site-footer {
  border-top: 1px solid var(--border); padding: 26px 0; margin-top: 30px;
  color: var(--text-dim); font-size: 13.5px;
}
.footer-inner { display: flex; justify-content: space-between; gap: 14px; flex-wrap: wrap; }

/* ===== lightbox ===== */
.lightbox {
  position: fixed; inset: 0; z-index: 100; display: flex; align-items: center; justify-content: center;
  animation: fadeIn 0.3s ease;
}
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
.lightbox-backdrop {
  position: absolute; inset: 0; background: rgba(4, 4, 12, 0.88); backdrop-filter: blur(10px);
}
.lb-figure {
  position: relative; z-index: 2; width: min(1100px, 94vw);
  animation: zoomIn 0.38s cubic-bezier(.2,.8,.3,1);
}
@keyframes zoomIn { from { opacity: 0; transform: scale(0.9) translateY(16px); } to { opacity: 1; transform: scale(1) translateY(0); } }
.lb-figure canvas, .lb-figure .lb-img {
  width: 100%; height: auto; border-radius: 18px; display: block;
  box-shadow: 0 30px 80px rgba(0,0,0,0.7);
  background: var(--surface-2);
}
.lb-img { min-height: 220px; object-fit: contain; }
.lb-figure figcaption {
  display: flex; justify-content: space-between; align-items: center; gap: 14px;
  margin-top: 16px; flex-wrap: wrap;
}
.lb-meta { display: flex; flex-direction: column; gap: 4px; }
.lb-cat { color: var(--accent3); font-size: 13px; font-weight: 700; letter-spacing: 1px; text-transform: uppercase; }
.lb-title { font-size: 19px; font-weight: 700; color: #fff; }
.lb-actions { display: flex; gap: 10px; }
.lb-close {
  position: absolute; top: 22px; right: 26px; z-index: 5;
  width: 46px; height: 46px; border-radius: 50%; border: 1px solid rgba(255,255,255,0.2);
  background: rgba(0,0,0,0.55); color: #fff; font-size: 18px; cursor: pointer;
  transition: all 0.25s ease;
}
.lb-close:hover { transform: rotate(90deg); background: var(--accent1); }
.lb-nav {
  position: absolute; top: 50%; transform: translateY(-50%); z-index: 5;
  width: 54px; height: 54px; border-radius: 50%; border: 1px solid rgba(255,255,255,0.2);
  background: rgba(0,0,0,0.55); color: #fff; font-size: 30px; cursor: pointer; line-height: 1;
  transition: all 0.25s ease;
}
.lb-prev { left: 18px; }
.lb-next { right: 18px; }
.lb-nav:hover { background: var(--accent2); transform: translateY(-50%) scale(1.1); }

/* ===== toast ===== */
.toast {
  position: fixed; bottom: 28px; left: 50%; transform: translateX(-50%) translateY(20px);
  background: linear-gradient(135deg, var(--accent1), var(--accent2));
  color: #fff; font-weight: 700; font-size: 14.5px;
  padding: 13px 26px; border-radius: 999px; z-index: 200;
  box-shadow: 0 14px 36px var(--glow); opacity: 0;
  transition: all 0.35s cubic-bezier(.2,.8,.3,1);
  pointer-events: none;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* ===== responsive ===== */
@media (max-width: 720px) {
  .nav { display: none; }
  .hero { padding: 56px 0 48px; }
  .hero-stats { gap: 26px; }
  .grid { grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 12px; }
  .lb-nav { width: 42px; height: 42px; font-size: 22px; }
  .gallery-head { flex-direction: column; align-items: stretch; }
  .search-wrap input, .search-wrap input:focus { width: 100%; }
}

/* scrollbar */
::-webkit-scrollbar { width: 11px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, var(--accent1), var(--accent2));
  border-radius: 999px; border: 3px solid var(--bg);
}