/* Čtyřlístek – sbírka. Jeden stylopis pro veřejnou část i administraci. */

:root {
    --green:   #2f7d32;
    --green-d: #1f5c22;
    --ink:     #1c1c1c;
    --muted:   #6b6b6b;
    --line:    #e2e2df;
    --bg:      #faf9f6;
    --card:    #ffffff;
    --warn:    #b3541e;
    --radius:  8px;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font: 16px/1.55 "Segoe UI", Roboto, system-ui, sans-serif;
    color: var(--ink);
    background: var(--bg);
}

a { color: var(--green-d); }

.wrap { max-width: 1180px; margin: 0 auto; padding: 0 18px; }

/* --- hlavička ------------------------------------------------------ */
header.site {
    background: var(--green);
    color: #fff;
    padding: 22px 0;
    margin-bottom: 28px;
}
header.site a { color: #fff; text-decoration: none; }
header.site h1 { margin: 0; font-size: 26px; letter-spacing: .3px; }
header.site p  { margin: 6px 0 0; opacity: .9; font-size: 15px; }
header.site nav { margin-top: 12px; font-size: 15px; }
header.site nav a { margin-right: 16px; border-bottom: 1px solid rgba(255,255,255,.4); }

/* --- filtry -------------------------------------------------------- */
.filters {
    display: flex; flex-wrap: wrap; gap: 8px; align-items: center;
    margin-bottom: 22px;
}
.filters a {
    padding: 5px 12px; border: 1px solid var(--line); border-radius: 20px;
    background: #fff; text-decoration: none; font-size: 14px; color: var(--ink);
}
.filters a.on { background: var(--green); color: #fff; border-color: var(--green); }

/* --- mřížka sešitů ------------------------------------------------- */
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(215px, 1fr));
    gap: 20px;
}
.card {
    background: var(--card); border: 1px solid var(--line);
    border-radius: var(--radius); overflow: hidden;
    display: flex; flex-direction: column;
    transition: box-shadow .15s, transform .15s;
}
.card:hover { box-shadow: 0 5px 18px rgba(0,0,0,.10); transform: translateY(-2px); }
.card a.thumb { display: block; background: #efeee9; aspect-ratio: 4/3; overflow: hidden; }
.card a.thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }
.card .body { padding: 11px 13px 14px; flex: 1; }
.card .num  { font-size: 13px; color: var(--muted); }
.card h3    { margin: 3px 0 7px; font-size: 16px; line-height: 1.3; }
.card h3 a  { text-decoration: none; }

/* --- štítky -------------------------------------------------------- */
.tag {
    display: inline-block; font-size: 12px; padding: 2px 8px;
    border-radius: 12px; background: #eef3ee; color: var(--green-d);
    margin: 2px 4px 2px 0; white-space: nowrap;
}
.tag.sale   { background: #e8f3e9; color: #256a28; }
.tag.sold   { background: #f0f0f0; color: #777; }
.tag.auc    { background: #fdf1e3; color: var(--warn); }
.tag.grade1 { background: #e6f4ea; color: #1c6b2c; }
.tag.grade4,
.tag.grade5 { background: #fbeaea; color: #a13030; }

/* --- detail -------------------------------------------------------- */
.detail { display: grid; grid-template-columns: 1.35fr 1fr; gap: 34px; }
@media (max-width: 820px) { .detail { grid-template-columns: 1fr; } }

.gallery { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px,1fr)); gap: 12px; }
.gallery figure { margin: 0; }
.gallery img {
    width: 100%; border: 1px solid var(--line); border-radius: 5px;
    cursor: zoom-in; display: block; background: #efeee9;
}
.gallery figcaption { font-size: 12px; color: var(--muted); margin-top: 4px; }

table.facts { width: 100%; border-collapse: collapse; font-size: 15px; }
table.facts th, table.facts td { padding: 8px 4px; border-bottom: 1px solid var(--line); text-align: left; }
table.facts th { width: 45%; color: var(--muted); font-weight: 500; }

.box {
    background: #fff; border: 1px solid var(--line);
    border-radius: var(--radius); padding: 16px 18px; margin-bottom: 20px;
}
.box h2 { margin-top: 0; font-size: 18px; }

.note {
    background: #fdf6e8; border-left: 3px solid #d9a441;
    padding: 11px 14px; border-radius: 4px; font-size: 14.5px; margin: 16px 0;
}

/* --- lightbox ------------------------------------------------------ */
#lb {
    position: fixed; inset: 0; background: rgba(0,0,0,.9);
    display: none; align-items: center; justify-content: center; z-index: 90;
    cursor: zoom-out;
}
#lb.on { display: flex; }
#lb img { max-width: 94vw; max-height: 90vh; object-fit: contain; }
#lb .cap {
    position: absolute; bottom: 14px; left: 0; right: 0; text-align: center;
    color: #fff; font-size: 14px; text-shadow: 0 1px 3px #000;
}
#lb .nav {
    position: absolute; top: 50%; transform: translateY(-50%);
    color: #fff; font-size: 40px; padding: 10px 20px; cursor: pointer;
    user-select: none; opacity: .65;
}
#lb .nav:hover { opacity: 1; }
#lb .prev { left: 4px; } #lb .next { right: 4px; }

/* --- administrace -------------------------------------------------- */
.admin header.site { background: #333; }
.admin .grid { grid-template-columns: repeat(auto-fill, minmax(180px,1fr)); }

table.list { width: 100%; border-collapse: collapse; background: #fff; font-size: 14.5px; }
table.list th, table.list td { padding: 8px 10px; border-bottom: 1px solid var(--line); text-align: left; }
table.list th { background: #f3f3f0; font-weight: 600; }
table.list tr:hover td { background: #fafaf7; }
table.list td.r, table.list th.r { text-align: right; }

form.f label { display: block; margin: 12px 0 4px; font-size: 14px; color: var(--muted); }
form.f input[type=text], form.f input[type=number], form.f input[type=date],
form.f select, form.f textarea {
    width: 100%; padding: 8px 10px; border: 1px solid var(--line);
    border-radius: 5px; font: inherit; background: #fff;
}
form.f textarea { min-height: 78px; resize: vertical; }
form.f .row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
form.f .chk { display: flex; align-items: center; gap: 7px; margin: 9px 0; }
form.f .chk input { width: auto; }

.btn {
    display: inline-block; padding: 9px 18px; border: 0; border-radius: 5px;
    background: var(--green); color: #fff; font: inherit; cursor: pointer;
    text-decoration: none;
}
.btn:hover  { background: var(--green-d); }
.btn.sec    { background: #eee; color: var(--ink); }
.btn.danger { background: #b03030; }

.msg { padding: 10px 14px; border-radius: 5px; margin-bottom: 16px; }
.msg.ok  { background: #e7f4e8; color: #1f5c22; }
.msg.err { background: #fbeaea; color: #97281f; }

.pick { display: grid; grid-template-columns: repeat(auto-fill, minmax(135px,1fr)); gap: 10px; }
.pick label { position: relative; display: block; cursor: pointer; }
.pick img { width: 100%; border: 3px solid transparent; border-radius: 5px; display: block; }
.pick input { position: absolute; top: 6px; left: 6px; z-index: 2; transform: scale(1.3); }
.pick input:checked + img { border-color: var(--green); }
.pick .fn { font-size: 11px; color: var(--muted); word-break: break-all; }
/* fotka, která právě patří jinému sešitu – zaškrtnutím se přesune */
.pick label.jinde img { border-color: #e0b070; }
.pick label.jinde input:checked + img { border-color: var(--warn); }
.pick .odkud {
    display: block; font-size: 11px; font-weight: 600;
    color: var(--warn); background: #fdf1e3;
    border-radius: 3px; padding: 1px 4px; margin-top: 2px;
    text-align: center;
}
.pick .zoombtn {
    display: block; width: 100%; margin-top: 3px; padding: 2px 0;
    font: inherit; font-size: 11px; color: var(--green-d);
    background: #f4f4f0; border: 1px solid var(--line); border-radius: 3px;
    cursor: zoom-in;
}
.pick .zoombtn:hover { background: #e8f0e8; }

/* náhledy v administraci, které jdou zvětšit */
img.zoom { transition: opacity .12s; }
img.zoom:hover { opacity: .82; }

footer.site {
    margin-top: 46px; padding: 22px 0; border-top: 1px solid var(--line);
    font-size: 13.5px; color: var(--muted);
}