/* CamMail — jeden arkusz, bez zasobów zewnętrznych (SEC-16). Responsywny: galeria działa na telefonie (§11.1). */
:root {
    --bg: #f4f6f8;
    --fg: #1c2733;
    --muted: #5b6b7a;
    --card: #ffffff;
    --line: #d9e0e6;
    --accent: #1f5f8b;
    --accent-fg: #ffffff;
    --danger: #b3261e;
    --warn-bg: #fff4d6;
    --warn-fg: #6b4e00;
    --crit-bg: #fde2e0;
    --crit-fg: #7a1a14;
    --ok: #2e7d32;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
    font: 15px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
    color: var(--fg);
    background: var(--bg);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.topbar {
    display: flex; align-items: center; gap: 1.5rem; flex-wrap: wrap;
    padding: 0.6rem 1rem; background: var(--accent); color: var(--accent-fg);
}
.topbar a { color: var(--accent-fg); }
.brand { font-weight: 700; font-size: 1.15rem; letter-spacing: 0.02em; }
.nav { display: flex; gap: 1rem; }
.whoami { margin-left: auto; display: flex; align-items: center; gap: 0.75rem; font-size: 0.9rem; }
.inline { display: inline; }

.container { flex: 1; width: 100%; max-width: 1200px; margin: 0 auto; padding: 1.25rem 1rem 2rem; }
.footer { padding: 0.75rem 1rem; color: var(--muted); font-size: 0.8rem; text-align: center; }

h1 { font-size: 1.5rem; margin: 0 0 1rem; }
h2 { font-size: 1.15rem; margin: 1.5rem 0 0.75rem; }
.muted { color: var(--muted); }
.small { font-size: 0.85rem; }

.card { background: var(--card); border: 1px solid var(--line); border-radius: 8px; padding: 1rem 1.25rem; margin-bottom: 1rem; }
.summary { display: flex; gap: 2rem; flex-wrap: wrap; }
.summary div strong { display: block; font-size: 1.3rem; }

.alerts { max-width: 1200px; margin: 0.75rem auto 0; padding: 0 1rem; }
.alert { padding: 0.6rem 0.9rem; border-radius: 6px; margin-bottom: 0.5rem; }
.alert-warning { background: var(--warn-bg); color: var(--warn-fg); }
.alert-critical { background: var(--crit-bg); color: var(--crit-fg); }
.alert-info { background: #e3f0fa; color: #123e5c; }
.validation-summary-errors { color: var(--danger); margin-bottom: 0.75rem; }
.field-validation-error { color: var(--danger); font-size: 0.85rem; }

table { width: 100%; border-collapse: collapse; background: var(--card); border: 1px solid var(--line); border-radius: 8px; overflow: hidden; }
th, td { padding: 0.55rem 0.75rem; text-align: left; border-bottom: 1px solid var(--line); vertical-align: top; }
th { background: #eef2f5; font-weight: 600; font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.03em; }
tr:last-child td { border-bottom: 0; }
td.num, th.num { text-align: right; white-space: nowrap; }
.table-wrap { overflow-x: auto; }
tr.silent td { background: var(--warn-bg); }
tr.weak td:first-child { border-left: 4px solid var(--danger); }
.badge { display: inline-block; padding: 0.1rem 0.5rem; border-radius: 999px; font-size: 0.75rem; background: #e5eaef; color: var(--muted); }
.badge-ok { background: #dff2e1; color: var(--ok); }
.badge-warn { background: var(--warn-bg); color: var(--warn-fg); }
.badge-danger { background: var(--crit-bg); color: var(--crit-fg); }

.btn { display: inline-block; padding: 0.45rem 0.9rem; border-radius: 6px; border: 1px solid var(--accent); background: var(--accent); color: var(--accent-fg); cursor: pointer; font: inherit; }
.btn:hover { filter: brightness(1.08); text-decoration: none; }
.btn-secondary { background: var(--card); color: var(--accent); }
.btn-danger { background: var(--danger); border-color: var(--danger); }
.btn-link { background: none; border: 0; color: inherit; padding: 0; cursor: pointer; font: inherit; text-decoration: underline; }
.btn[disabled] { opacity: 0.5; cursor: not-allowed; }
.actions { display: flex; gap: 0.5rem; flex-wrap: wrap; align-items: center; }

form.form { max-width: 640px; }
.form-row { margin-bottom: 0.9rem; }
.form-row label { display: block; font-weight: 600; margin-bottom: 0.25rem; }
.form-row input[type=text], .form-row input[type=password], .form-row input[type=email], .form-row input[type=number], .form-row textarea, .form-row select {
    width: 100%; padding: 0.5rem 0.6rem; border: 1px solid var(--line); border-radius: 6px; font: inherit;
}
.form-row .hint { color: var(--muted); font-size: 0.85rem; margin-top: 0.2rem; }
.checks label { display: block; font-weight: 400; }
.input-group { display: flex; gap: 0.5rem; }
.input-group input { flex: 1; }

.pager { display: flex; gap: 1rem; align-items: center; justify-content: center; margin: 1.25rem 0; }

.gallery { display: grid; grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 0.6rem; }
.tile { background: var(--card); border: 1px solid var(--line); border-radius: 6px; overflow: hidden; display: block; color: inherit; }
.tile img { display: block; width: 100%; aspect-ratio: 4 / 3; object-fit: cover; background: #e5eaef; }
.tile .cap { padding: 0.3rem 0.5rem; font-size: 0.8rem; color: var(--muted); display: flex; justify-content: space-between; }
.tile.missing img { opacity: 0.4; }

.photo-view img { max-width: 100%; height: auto; display: block; border: 1px solid var(--line); border-radius: 6px; background: #000; }
.photo-nav { display: flex; justify-content: space-between; gap: 1rem; margin: 0.75rem 0; flex-wrap: wrap; }
.meta { display: grid; grid-template-columns: max-content 1fr; gap: 0.3rem 1rem; }
.meta dt { color: var(--muted); }
.meta dd { margin: 0; }

.setup { background: #eef7ff; border: 1px solid #bcd8ef; border-radius: 8px; padding: 1rem 1.25rem; }
.setup dl { display: grid; grid-template-columns: max-content 1fr; gap: 0.35rem 1rem; }
.setup dt { color: var(--muted); }
.setup dd { margin: 0; font-family: ui-monospace, Consolas, monospace; }
.secret { font-family: ui-monospace, Consolas, monospace; font-size: 1.1rem; background: #fff; border: 1px dashed var(--danger); padding: 0.4rem 0.6rem; display: inline-block; }

.lightbox { position: fixed; inset: 0; background: rgba(0,0,0,0.88); display: none; align-items: center; justify-content: center; z-index: 100; }
.lightbox.open { display: flex; }
.lightbox img { max-width: 96vw; max-height: 90vh; object-fit: contain; }
.lightbox .close { position: absolute; top: 0.75rem; right: 1rem; color: #fff; font-size: 2rem; background: none; border: 0; cursor: pointer; }
.lightbox .lb-cap { position: absolute; bottom: 0.75rem; left: 0; right: 0; text-align: center; color: #ddd; font-size: 0.9rem; }

.login-box { max-width: 380px; margin: 3rem auto; }
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 0.75rem; }
.stats .card { margin: 0; }
.stats .card strong { display: block; font-size: 1.4rem; }
.icons span { margin-right: 0.3rem; }

/* Klasy pomocnicze — CSP style-src 'self' zabrania atrybutów style="" (SEC-15). */
.m-0 { margin: 0; }
.mt-0 { margin-top: 0; }
.mt-1 { margin-top: 1rem; }
.mb-0 { margin-bottom: 0; }
.mb-05 { margin-bottom: 0.5rem; }
.mb-1 { margin-bottom: 1rem; }
.text-danger { color: var(--danger); }
.card-danger { border-color: var(--danger); }

@media (max-width: 600px) {
    .topbar { gap: 0.75rem; }
    .whoami { width: 100%; margin-left: 0; justify-content: space-between; }
    .container { padding: 0.75rem 0.6rem 1.5rem; }
    .gallery { grid-template-columns: repeat(auto-fill, minmax(120px, 1fr)); gap: 0.4rem; }
    th, td { padding: 0.4rem 0.5rem; }
}