/* CoolPics — светлый адаптивный дизайн. Без фреймворков. */
:root {
  --bg: #f6f6f4;
  --card: #fff;
  --text: #1c1c1e;
  --muted: #7a7a80;
  --line: #e8e8e4;
  --accent: #ff5a5f;
  --accent-dark: #e8484d;
  --radius: 14px;
  --gap: 16px;
  --max: 1280px;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--text); font: 500 15px/1.5 Manrope, system-ui, -apple-system, "Segoe UI", sans-serif; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; }
h1, h2 { letter-spacing: -.5px; }
.muted { color: var(--muted); font-weight: 500; }
.center { text-align: center; }

/* Шапка */
.site-header { position: sticky; top: 0; z-index: 10; background: rgba(246,246,244,.88); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
.bar { max-width: var(--max); margin: auto; padding: 10px 16px; display: flex; align-items: center; gap: 16px; }
.logo { font-weight: 800; font-size: 22px; letter-spacing: -.5px; }
.logo b { color: var(--accent); }
.tabs { display: flex; gap: 4px; margin-left: auto; }
.tabs a { padding: 7px 14px; border-radius: 99px; font-weight: 700; font-size: 14px; color: var(--muted); white-space: nowrap; transition: background .15s, color .15s; }
.tabs a:hover { background: #ebebe7; color: var(--text); }
.tabs a.on { background: var(--text); color: #fff; }

/* Страница */
.page { max-width: var(--max); margin: auto; padding: 0 16px; }
.hero { padding: 28px 0 18px; display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: 12px 24px; }
.hero h1 { margin: 0; font-size: clamp(24px, 4vw, 38px); font-weight: 800; line-height: 1.15; }
.hero p { margin: 8px 0 0; }

/* Плитка: JS задаёт grid-row-end по пропорциям картинки; без JS — обычная ровная сетка. */
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: var(--gap); }
.grid.masonry { grid-auto-rows: 4px; row-gap: 0; }
.grid.masonry .card { margin-bottom: var(--gap); }
.grid-small { grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); }

.card { background: var(--card); border-radius: var(--radius); overflow: hidden; box-shadow: 0 1px 2px rgba(0,0,0,.05); transition: transform .15s, box-shadow .15s; align-self: start; }
.card:hover { transform: translateY(-3px); box-shadow: 0 10px 24px rgba(0,0,0,.10); }
.card-img { display: block; background: #ececea; }
.card-img img { display: block; width: 100%; height: auto; }
.grid:not(.masonry) .card-img img { aspect-ratio: 4 / 3; object-fit: cover; }
.card-meta { display: flex; align-items: center; justify-content: space-between; padding: 6px 8px 6px 6px; font-size: 13px; color: var(--muted); }
.views::before { content: ""; display: inline-block; width: 14px; height: 14px; margin-right: 4px; vertical-align: -2px; background: currentColor; -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M12 5C6 5 2 12 2 12s4 7 10 7 10-7 10-7-4-7-10-7zm0 11a4 4 0 110-8 4 4 0 010 8z'/%3E%3C/svg%3E") center/contain no-repeat; mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M12 5C6 5 2 12 2 12s4 7 10 7 10-7 10-7-4-7-10-7zm0 11a4 4 0 110-8 4 4 0 010 8z'/%3E%3C/svg%3E") center/contain no-repeat; }

/* Кнопка лайка */
.like { display: inline-flex; align-items: center; gap: 5px; border: 0; background: transparent; color: var(--muted); font: 700 13px/1 inherit; font-family: inherit; padding: 6px 8px; border-radius: 99px; cursor: pointer; transition: background .15s, color .15s, transform .1s; }
.like svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 2; transition: fill .15s; }
.like:hover { background: #fff0f0; color: var(--accent); }
.like:active { transform: scale(.92); }
.like.liked { color: var(--accent); }
.like.liked svg { fill: currentColor; }
.like.pop svg { animation: pop .35s ease; }
@keyframes pop { 50% { transform: scale(1.35); } }
.like-big { font-size: 16px; padding: 10px 18px; background: #fff; border: 1px solid var(--line); }
.like-big svg { width: 22px; height: 22px; }

.btn { display: inline-flex; align-items: center; gap: 6px; padding: 10px 18px; border-radius: 99px; border: 1px solid var(--line); background: #fff; color: var(--text); font: 700 15px/1.2 inherit; font-family: inherit; cursor: pointer; transition: background .15s; }
.btn:hover { background: #ebebe7; }
.btn-accent { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn-accent:hover { background: var(--accent-dark); }

/* Постраничная навигация */
.pager { display: flex; flex-wrap: wrap; justify-content: center; gap: 6px; padding: 32px 0 48px; }
.pager a, .pager span { min-width: 40px; height: 40px; display: inline-grid; place-items: center; padding: 0 10px; border-radius: 99px; font-weight: 700; }
.pager a { background: #fff; border: 1px solid var(--line); }
.pager a:hover { border-color: var(--text); }
.pager .on { background: var(--text); color: #fff; }
.pager .gap { color: var(--muted); min-width: 20px; }

/* Страница картинки */
.pic-page { padding-top: 20px; }
.viewer { position: relative; display: flex; align-items: center; justify-content: center; gap: 12px; }
.viewer figure { margin: 0; text-align: center; min-width: 0; }
.viewer-img { display: inline-block; background: #ececea; border-radius: var(--radius); overflow: hidden; }
.viewer-img img { display: block; height: auto; max-height: 80vh; width: auto; max-width: 100%; }
.viewer figcaption { margin-top: 10px; font-size: 17px; font-weight: 700; }
.nav-arrow { flex: none; width: 52px; height: 52px; display: grid; place-items: center; border-radius: 50%; background: #fff; border: 1px solid var(--line); font-size: 32px; line-height: 1; color: var(--text); transition: background .15s, transform .15s; }
.nav-arrow:hover { background: var(--text); color: #fff; transform: scale(1.05); }
.pic-actions { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 12px; padding: 18px 0; }
.more { border-top: 1px solid var(--line); margin-top: 12px; padding: 8px 0 40px; }
.more h2 { font-size: 22px; margin: 18px 0 14px; }
.toast { position: fixed; left: 50%; bottom: 24px; transform: translateX(-50%); background: var(--text); color: #fff; padding: 10px 18px; border-radius: 99px; font-weight: 700; z-index: 20; animation: fade 2s forwards; }
@keyframes fade { 0%, 80% { opacity: 1; } 100% { opacity: 0; } }

/* Ошибки */
.error-page { text-align: center; padding: 80px 16px 100px; }
.error-code { font-size: 96px; font-weight: 800; line-height: 1; color: var(--accent); }

/* Подвал */
.site-footer { border-top: 1px solid var(--line); padding: 24px 16px 32px; text-align: center; font-size: 13px; color: var(--muted); }
.site-footer p { margin: 4px 0; }
.age { display: inline-block; border: 2px solid var(--accent); color: var(--accent); border-radius: 6px; padding: 0 6px; font-weight: 800; margin-right: 6px; }
.li-counter { position: absolute; width: 1px; height: 1px; opacity: 0; }

/* Выбор режима показа */
.view-opts { display: flex; flex-wrap: wrap; gap: 8px; }
.seg { display: inline-flex; align-items: center; gap: 2px; padding: 3px; background: #ebebe7; border-radius: 99px; font-size: 13px; font-weight: 700; }
.seg a { padding: 5px 12px; border-radius: 99px; color: var(--muted); }
.seg a:hover { color: var(--text); }
.seg a.on { background: #fff; color: var(--text); box-shadow: 0 1px 2px rgba(0,0,0,.08); }
.seg-label { padding: 0 4px 0 8px; color: var(--muted); font-weight: 500; }

/* Лента: пока работает JS, постраничка скрыта (остаётся запасным вариантом) */
.feed-on [data-feed-pager] { display: none; }
.feed-status { padding: 28px 0 48px; text-align: center; color: var(--muted); font-weight: 700; }
.feed-status.loading::before { content: ""; display: inline-block; width: 18px; height: 18px; margin-right: 8px; vertical-align: -4px; border: 3px solid var(--line); border-top-color: var(--accent); border-radius: 50%; animation: spin .8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* Панель админа на странице картинки */
.admin-bar { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 10px; margin: 0 auto 12px; padding: 10px 14px; max-width: 520px; border: 1px dashed #f0c4c4; border-radius: var(--radius); background: #fffafa; }
/* Кнопка «Удалить» под карточкой (видна только админу) */
.card-meta .like { margin-right: auto; }
.card-del { display: inline-grid; place-items: center; width: 30px; height: 30px; margin-left: 6px; padding: 0; border: 0; border-radius: 50%; background: transparent; color: var(--muted); cursor: pointer; transition: background .15s, color .15s; }
.card-del svg { width: 17px; height: 17px; fill: currentColor; }
.card-del:hover { background: #fdecec; color: #c62828; }
.card-del:disabled { opacity: .4; cursor: default; }
.card.removing { opacity: 0; transform: scale(.94); transition: opacity .2s, transform .2s; }
.toast .toast-btn { margin-left: 12px; padding: 0; border: 0; background: none; color: #ffb3b5; font: inherit; text-decoration: underline; cursor: pointer; }
.toast.long { animation: fade 5s forwards; }
.btn-danger { color: #c62828; border-color: #f0c4c4; }
.btn-danger:hover { background: #c62828; color: #fff; }

/* Мобильная версия */
@media (max-width: 640px) {
  :root { --gap: 10px; }
  .bar { flex-wrap: wrap; gap: 8px; padding: 8px 12px; }
  .tabs { margin-left: 0; width: 100%; }
  .tabs a { flex: 1; text-align: center; padding: 7px 6px; }
  .page { padding: 0 10px; }
  .hero { padding: 18px 2px 12px; }
  .grid, .grid-small { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .card-meta .views { display: none; }
  .nav-arrow { position: absolute; top: 50%; transform: translateY(-50%); width: 42px; height: 42px; font-size: 26px; background: rgba(255,255,255,.85); z-index: 2; }
  .nav-arrow:hover { transform: translateY(-50%); }
  .nav-arrow.prev { left: 4px; }
  .nav-arrow.next { right: 4px; }
  .viewer-img { border-radius: 10px; }
  .viewer-img img { max-height: none; }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
}