:root {
    color-scheme: light;
    --lm-blue:     #3ca8e0;   /* značková modrá (pilulka loga) */
    --lm-blue-dk:  #2f97cf;
    --lm-blue-deep:#1f7aad;
    --lm-gray:     #545454;   /* značková šedá (MED) */
    --lm-dark:     #3a3d42;   /* tmavý pruh pod kartou */
    --lm-bg:       #eef2f5;   /* světlé pozadí (admin/detail) */
    --lm-border:   #d7dee3;
    --lm-error:    #d23b30;
    --lm-ok:       #1f9d57;
    --lm-muted:    #6a767e;
    --lm-ink:      #2a2f33;
}

html, body { color-scheme: light; }
* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background: var(--lm-bg);
    color: var(--lm-ink);
    line-height: 1.5;
}
/* Modré téma (katalog, přihlášení) */
body.theme-blue { background: var(--lm-blue); }

.wrap { max-width: 1180px; margin: 0 auto; padding: 0 20px; }

/* --- Hlavička (bílý pruh s logem) ----------------------------------------- */
.site-header { background: #fff; border-bottom: 1px solid var(--lm-border); box-shadow: 0 1px 4px rgba(0,0,0,.05); }
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 18px; flex-wrap: wrap; min-height: 74px; padding: 10px 20px; }
.brand { display: inline-flex; align-items: center; text-decoration: none; }
.brand-logo { height: 46px; width: auto; display: block; }
.topnav { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.topnav a { color: var(--lm-gray); text-decoration: none; font-weight: 600; font-size: 0.93rem; }
.topnav a:hover { color: var(--lm-blue); }
.user-chip {
    display: inline-flex; flex-direction: column; line-height: 1.1;
    padding: 5px 12px; background: #eaf5fb; border-radius: 8px; font-weight: 700; font-size: 0.88rem; color: var(--lm-blue-deep);
}
.user-chip small { font-weight: 400; font-size: 0.72rem; color: var(--lm-muted); }

/* --- Main / footer --------------------------------------------------------- */
.site-main { padding: 28px 0 70px; }
.site-footer { background: #fff; border-top: 1px solid var(--lm-border); }
.footer-inner { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px; padding: 16px 20px; color: var(--lm-muted); font-size: 0.85rem; }

h1 { font-size: 1.75rem; color: var(--lm-gray); margin: 0 0 8px; }
.lead { font-size: 1rem; color: var(--lm-muted); margin: 0 0 22px; }
.muted { color: var(--lm-muted); }
.theme-blue h1, .theme-blue .lead { color: #fff; }
.theme-blue .lead { color: rgba(255,255,255,.9); }

/* --- Tlačítka -------------------------------------------------------------- */
.btn {
    display: inline-block; padding: 10px 18px; border-radius: 7px; border: 1px solid transparent;
    text-decoration: none; font-weight: 600; font-size: 0.95rem; font-family: inherit; line-height: 1.2; cursor: pointer; text-align: center;
}
.btn-sm { padding: 7px 13px; font-size: 0.88rem; }
.btn-primary { background: var(--lm-blue); color: #fff; }
.btn-primary:hover { background: var(--lm-blue-dk); }
.btn-secondary { background: #fff; color: var(--lm-blue-deep); border-color: var(--lm-blue); }
.btn-secondary:hover { background: #eaf5fb; }
.btn-danger { background: #fff; color: var(--lm-error); border-color: #e3a9a2; }
.btn-danger:hover { background: #fdecea; }
.btn-block { display: block; width: 100%; }

/* --- Formuláře ------------------------------------------------------------- */
.form-control { width: 100%; padding: 9px 11px; border: 1px solid var(--lm-border); border-radius: 6px; font: inherit; background: #fff; color: inherit; }
.form-control:focus { outline: none; border-color: var(--lm-blue); box-shadow: 0 0 0 3px rgba(60,168,224,.18); }
.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-weight: 600; margin-bottom: 6px; color: var(--lm-gray); font-size: 0.92rem; }
.form-group .hint { display: block; color: var(--lm-muted); font-size: 0.82rem; font-weight: 400; margin-top: 4px; }
.req { color: var(--lm-error); }
.form-narrow { max-width: 480px; }
.form-actions { display: flex; gap: 10px; margin-top: 22px; }
.page-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; flex-wrap: wrap; }

/* --- Filtrový panel -------------------------------------------------------- */
.filters {
    display: flex; gap: 12px; align-items: flex-end; flex-wrap: wrap;
    background: #fff; border-radius: 10px; padding: 16px; margin-bottom: 26px; box-shadow: 0 2px 8px rgba(0,0,0,.08);
}
.filter-field { display: flex; flex-direction: column; gap: 5px; min-width: 150px; }
.filter-field label { font-size: 0.82rem; font-weight: 600; color: var(--lm-gray); }
.filter-search { flex: 1; min-width: 240px; }
.filter-actions { flex-direction: row; gap: 8px; align-items: center; }

/* --- Panely kategorií + karty produktů ------------------------------------ */
.cat { margin-bottom: 36px; }
.cat-title { margin: 0 0 16px; color: #fff; font-size: 1.55rem; font-weight: 300; text-transform: uppercase; letter-spacing: .02em; }
.cat-title .t-bold { font-weight: 800; }
/* světlé téma (výsledky hledání na světlém pozadí by byly tmavé) */
.theme-blue .cat-title { color: #fff; }

.pgrid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 18px; }
.pcard {
    display: flex; flex-direction: column; background: #fff; border-radius: 8px; overflow: hidden;
    text-decoration: none; color: inherit; box-shadow: 0 2px 8px rgba(0,0,0,.13); transition: transform .15s, box-shadow .15s;
}
.pcard:hover { transform: translateY(-3px); box-shadow: 0 10px 22px rgba(0,0,0,.22); }
.pcard-media { aspect-ratio: 4 / 3; background: #fff; display: flex; align-items: center; justify-content: center; padding: 16px; }
.pcard-media img { max-width: 100%; max-height: 100%; object-fit: contain; }
.pcard-name {
    background: var(--lm-dark); color: #fff; font-weight: 700; text-transform: uppercase;
    font-size: 0.9rem; letter-spacing: .02em; line-height: 1.25; padding: 13px 15px; margin-top: auto;
}
.pcard-sub { font-size: 0.72rem; font-weight: 400; text-transform: none; letter-spacing: 0; opacity: .75; display: block; margin-top: 3px; }
.thumb-placeholder { font-size: 2.6rem; color: #cfe3ee; font-weight: 700; }
.thumb-placeholder.big { font-size: 5rem; }

.empty-state { background: #fff; border-radius: 12px; padding: 48px 24px; text-align: center; color: var(--lm-ink); box-shadow: 0 2px 8px rgba(0,0,0,.08); }
.pagination { margin-top: 24px; display: flex; gap: 14px; align-items: center; justify-content: center; }
.theme-blue .pagination .muted { color: rgba(255,255,255,.85); }

/* --- Detail produktu (světlé pozadí) -------------------------------------- */
.back-link { display: inline-block; color: var(--lm-muted); text-decoration: none; margin-bottom: 16px; }
.back-link:hover { color: var(--lm-blue-deep); }
.detail { display: grid; grid-template-columns: minmax(0, 420px) 1fr; gap: 32px; align-items: start; }
.detail-media { background: #fff; border: 1px solid var(--lm-border); border-radius: 14px; aspect-ratio: 1 / 1; display: flex; align-items: center; justify-content: center; overflow: hidden; }
.detail-media img { width: 100%; height: 100%; object-fit: contain; padding: 16px; }
.detail-info h1 { margin: 10px 0 6px; }
.detail-code { margin-bottom: 14px; }
.detail-code code { font-family: ui-monospace, Consolas, monospace; background: #eaf5fb; color: var(--lm-blue-deep); padding: 3px 9px; border-radius: 5px; font-size: 0.95rem; }
.detail-price { font-size: 1.6rem; font-weight: 800; color: var(--lm-blue-deep); margin-bottom: 16px; }
.detail-price small { display: inline-block; font-size: 0.85rem; font-weight: 400; color: var(--lm-muted); margin-left: 4px; }
.detail-price small.vat { display: block; margin: 2px 0 0; }
.detail-desc { color: var(--lm-ink); margin: 0 0 18px; }
.params { width: 100%; border-collapse: collapse; }
.params th, .params td { text-align: left; padding: 9px 12px; border-bottom: 1px solid var(--lm-border); font-size: 0.95rem; vertical-align: top; }
.params th { width: 180px; color: var(--lm-muted); font-weight: 600; }
.note { margin-top: 18px; padding: 12px 14px; background: #fff7ed; border: 1px solid #fcd9a8; border-radius: 8px; font-size: 0.92rem; }
.pill { align-self: flex-start; background: #eaf5fb; color: var(--lm-blue-deep); font-size: 0.72rem; font-weight: 600; padding: 2px 9px; border-radius: 999px; text-transform: uppercase; letter-spacing: 0.03em; }

/* --- Přihlášení ------------------------------------------------------------ */
.auth-card { max-width: 380px; margin: 30px auto; background: #fff; border-radius: 14px; padding: 32px 28px; box-shadow: 0 10px 30px rgba(0,0,0,.18); }
.auth-card h1 { text-align: center; margin-bottom: 22px; color: var(--lm-gray); }
.alert { padding: 12px 14px; border-radius: 8px; margin-bottom: 18px; border: 1px solid; font-size: 0.92rem; }
.alert-error { background: #fdecea; border-color: #f5c6c2; color: var(--lm-error); }
.alert-success { background: #eafaf1; border-color: #b6e8c6; color: var(--lm-ok); }
.alert-info { background: #eaf3fb; border-color: #bcd9f3; color: var(--lm-blue-deep); }
.alert-info code, .auth-card code { background: rgba(0,0,0,.06); padding: 1px 5px; border-radius: 4px; font-size: 0.88em; }

/* --- Tabulky (admin) ------------------------------------------------------- */
.table { width: 100%; margin: 8px 0 16px; border-collapse: separate; border-spacing: 0; background: #fff; border: 1px solid var(--lm-border); border-radius: 10px; overflow: hidden; }
.table thead th { text-align: left; padding: 12px 16px; background: #eaf5fb; color: var(--lm-blue-deep); font-weight: 600; font-size: 0.88rem; border-bottom: 1px solid var(--lm-border); }
.table tbody td { padding: 11px 16px; border-bottom: 1px solid #eef2f1; font-size: 0.95rem; vertical-align: middle; }
.table tbody tr:last-child td { border-bottom: none; }
.table tbody tr:hover td { background: #f4f9fc; }
.table td.muted { text-align: center; color: var(--lm-muted); font-style: italic; padding: 24px; }
.table code { font-family: ui-monospace, Consolas, monospace; font-size: 0.9rem; }
.table .actions { display: flex; gap: 6px; justify-content: flex-end; flex-wrap: wrap; }
.table thead th.sortable { cursor: pointer; -webkit-user-select: none; user-select: none; white-space: nowrap; }
.table thead th.sortable:hover { background: #dceefb; }
.sort-ind { font-size: 0.78em; opacity: 0.4; }
.sort-ind.active { opacity: 1; color: var(--lm-blue); }

.role-tag { display: inline-block; padding: 2px 9px; border-radius: 999px; font-size: 0.78rem; font-weight: 600; }
.role-admin { background: #fde8e8; color: #b0322b; }
.role-obchodnik { background: #e3f1ee; color: #1f7a68; }
.role-zakaznik { background: #eaf2f6; color: #5a6a7a; }
.status-ok { color: var(--lm-ok); font-weight: 600; }
.status-bad { color: var(--lm-error); font-weight: 600; }

/* --- Import ---------------------------------------------------------------- */
.info-box { background: #eaf5fb; border: 1px solid var(--lm-border); border-radius: 8px; padding: 12px 14px; margin-bottom: 18px; font-size: 0.95rem; }
.help-block { margin-top: 28px; padding-top: 18px; border-top: 1px solid var(--lm-border); }
.help-block h3 { color: var(--lm-blue-deep); font-size: 1.05rem; margin: 0 0 8px; }
.cols-hint { margin: 6px 0; padding-left: 20px; }
.cols-hint li { margin: 2px 0; }
.sec { color: var(--lm-blue-deep); font-size: 1.05rem; margin: 26px 0 10px; padding-bottom: 5px; border-bottom: 1px solid var(--lm-border); }
input[type=file].form-control { padding: 8px; }
.diff-cards { display: flex; gap: 14px; flex-wrap: wrap; margin: 16px 0 8px; }
.diff-card { flex: 1; min-width: 150px; background: #fff; border: 1px solid var(--lm-border); border-radius: 10px; padding: 14px 16px; font-weight: 600; color: var(--lm-muted); }
.diff-card .n { display: block; font-size: 1.8rem; font-weight: 800; line-height: 1.1; }
.diff-new .n { color: var(--lm-ok); }
.diff-upd .n { color: var(--lm-blue); }
.diff-rem .n { color: var(--lm-error); }
.map-pill { display: inline-block; background: #eaf5fb; border: 1px solid var(--lm-border); border-radius: 999px; padding: 3px 11px; margin: 0 6px 6px 0; font-size: 0.85rem; }
.table-scroll { overflow-x: auto; }
.import-confirm { margin-top: 22px; }
.import-confirm .check { display: flex; gap: 10px; align-items: flex-start; background: #fff7ed; border: 1px solid #fcd9a8; border-radius: 10px; padding: 14px; font-size: 0.92rem; max-width: 640px; }
.import-confirm .check input { margin-top: 3px; }

@media (max-width: 720px) {
    .detail { grid-template-columns: 1fr; gap: 18px; }
    .detail-media { max-width: 320px; }
    .filter-field { min-width: 130px; }
    .brand-logo { height: 38px; }
    .header-inner { min-height: 60px; }
}