/* ============================================================
   Public seminar pages (list, booking, confirmation)
   Same palette and type as the CSA admin pages.
   ============================================================ */
.sem-public {
    --ink: #1C2430;
    --ink-muted: #5B6675;
    --canvas: #EEF1F5;
    --surface: #FFFFFF;
    --line: #D5DBE3;
    --accent: #2D5BD7;
    --accent-soft: #E6EDFB;
    --danger: #B42318;
    --danger-soft: #FDECEA;
    --warn: #8A5A00;
    --warn-soft: #FFF4DB;
    --ok: #1F7A4D;
    --ok-soft: #E3F4EA;

    font-family: "Barlow", system-ui, -apple-system, "Segoe UI", sans-serif;
    color: var(--ink);
    background: var(--canvas);
    min-height: 100vh;
}

.sem-public h1, .sem-public h2, .sem-public h3 {
    font-family: "Barlow Semi Condensed", "Barlow", system-ui, sans-serif;
    font-weight: 700;
    letter-spacing: -0.01em;
    margin: 0;
}
.sem-public h1 { font-size: 2.1rem; line-height: 1.1; }
.sem-public h2 { font-size: 1.4rem; }
.sem-public h3 { font-size: 1.1rem; }
.sem-public .sub { color: var(--ink-muted); }

.sem-wrap { max-width: 60rem; margin: 0 auto; padding: 1.75rem 1rem 4rem; }
.sem-wrap-wide { max-width: 72rem; }

.sem-back { display: inline-block; margin-bottom: 1rem; color: var(--ink-muted); text-decoration: none; font-weight: 500; }
.sem-back:hover { color: var(--accent); text-decoration: underline; }

.sem-page-head { margin-bottom: 1.5rem; }
.sem-page-head .sub { margin-top: .35rem; font-size: 1.05rem; }

/* ---------- Messages ---------- */
.sem-public .alert { border-radius: 8px; border: 1px solid transparent; font-weight: 500; }
.sem-public .alert-success { background: var(--ok-soft); color: var(--ok); border-color: #BFE3CD; }
.sem-public .alert-danger { background: var(--danger-soft); color: var(--danger); border-color: #F5C2BD; }
.sem-public .alert-warning { background: var(--warn-soft); color: var(--warn); border-color: #F0D59A; }
.sem-public .alert-info { background: var(--accent-soft); color: var(--ink); border-color: #C9D7F6; }

/* ---------- Panels ---------- */
.sem-panel {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: 10px;
    overflow: hidden;
    margin-bottom: 1.25rem;
}
.sem-panel-head { padding: 1rem 1.25rem; border-bottom: 1px solid var(--line); }
.sem-panel-head .sub { margin-top: .2rem; font-size: .95rem; }
.sem-panel-body { padding: 1.25rem; }
.sem-panel-foot { padding: 1rem 1.25rem; border-top: 1px solid var(--line); background: #F7F9FC; }

/* ---------- Seminar list ---------- */
.sem-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(18rem, 1fr)); gap: 1.25rem; }
.sem-card {
    display: flex;
    flex-direction: column;
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: 10px;
    overflow: hidden;
}
.sem-card-banner { display: block; width: 100%; aspect-ratio: 16 / 7; object-fit: cover; background: var(--accent-soft); }
.sem-card-body { padding: 1rem 1.25rem; flex: 1; }
.sem-card-date { color: var(--accent); font-weight: 600; font-size: .95rem; margin-bottom: .25rem; }
.sem-card-body h2 { font-size: 1.3rem; margin-bottom: .5rem; }
.sem-card-body h2 a { color: inherit; text-decoration: none; }
.sem-card-body h2 a:hover { color: var(--accent); }
.sem-card-meta { display: flex; flex-wrap: wrap; align-items: center; gap: .5rem .75rem; color: var(--ink-muted); font-size: .95rem; }
.sem-card-foot { padding: 0 1.25rem 1.25rem; }

.sem-empty { padding: 3rem 1rem; text-align: center; color: var(--ink-muted); background: var(--surface); border: 1px solid var(--line); border-radius: 10px; }

/* ---------- Seminar detail ---------- */
.sem-hero { display: block; width: 100%; aspect-ratio: 16 / 5; object-fit: cover; border-radius: 10px; border: 1px solid var(--line); margin-bottom: 1.25rem; background: var(--accent-soft); }
.sem-facts { display: flex; flex-wrap: wrap; gap: .5rem 1.5rem; margin-top: .75rem; }
.sem-fact { display: flex; flex-direction: column; }
.sem-fact-label { font-size: .8rem; font-weight: 600; color: var(--ink-muted); text-transform: uppercase; letter-spacing: .04em; }
.sem-fact-value { font-weight: 600; font-size: 1.05rem; }
.sem-content { line-height: 1.6; }
.sem-content img { max-width: 100%; height: auto; }

/* ---------- Pills ---------- */
.sem-pill { display: inline-block; padding: .2rem .65rem; border-radius: 999px; font-size: .8rem; font-weight: 600; border: 1px solid transparent; white-space: nowrap; }
.sem-pill-ok { background: var(--ok-soft); color: var(--ok); border-color: #BFE3CD; }
.sem-pill-warn { background: var(--warn-soft); color: var(--warn); border-color: #F0D59A; }
.sem-pill-danger { background: var(--danger-soft); color: var(--danger); border-color: #F5C2BD; }

/* ---------- Buttons ---------- */
.sem-btn {
    display: inline-flex; align-items: center; justify-content: center;
    font-weight: 600; font-size: 1rem; line-height: 1.2;
    padding: .65rem 1.2rem; border-radius: 8px; border: 1px solid transparent;
    text-decoration: none; background: transparent; cursor: pointer;
}
.sem-btn-sm { font-size: .875rem; padding: .35rem .75rem; }
.sem-btn-block { width: 100%; }
.sem-btn-primary { background: var(--accent); color: #fff; }
.sem-btn-primary:hover { background: #2349B3; color: #fff; }
.sem-btn-primary[disabled] { opacity: .7; cursor: progress; }
.sem-btn-quiet { background: var(--surface); color: var(--ink); border-color: var(--line); }
.sem-btn-quiet:hover { background: var(--canvas); color: var(--ink); }
.sem-btn-danger-text { color: var(--danger); }
.sem-btn-danger-text:hover { background: var(--danger-soft); color: var(--danger); }

.sem-public a:focus-visible, .sem-public button:focus-visible, .sem-public input:focus-visible, .sem-public select:focus-visible {
    outline: 3px solid var(--accent); outline-offset: 2px; box-shadow: none;
}

/* ---------- Booking form ---------- */
.sem-public .form-label { font-weight: 600; }
.sem-public .form-control, .sem-public .form-select { border: 1px solid var(--line); border-radius: 8px; min-height: 3rem; font-size: 1rem; }
.sem-public .form-text { color: var(--ink-muted); }
.sem-error { color: var(--danger); font-size: .875rem; font-weight: 500; display: block; margin-top: .25rem; }

.sem-switch { display: flex; align-items: center; gap: .6rem; min-height: 2.5rem; margin-top: 1rem; }
.sem-switch .form-check-input { width: 2.75em; height: 1.4em; margin: 0; cursor: pointer; }
.sem-switch .form-check-input:checked { background-color: var(--accent); border-color: var(--accent); }
.sem-switch label { font-weight: 500; margin: 0; cursor: pointer; }

.sem-person { border: 1px solid var(--line); border-radius: 10px; padding: 1rem 1.25rem 1.25rem; margin-bottom: 1rem; }
.sem-person-head { display: flex; align-items: center; justify-content: space-between; gap: 1rem; margin-bottom: .75rem; }

.sem-summary { display: flex; align-items: center; justify-content: space-between; gap: 1rem; flex-wrap: wrap; }
.sem-summary-line { color: var(--ink-muted); }
.sem-summary-total { font-family: "Barlow Semi Condensed", "Barlow", sans-serif; font-weight: 700; font-size: 1.6rem; }
.sem-pay-note { margin-top: .5rem; font-size: .9rem; color: var(--ink-muted); }

/* ---------- Confirmation ---------- */
.sem-ref { font-family: "Barlow Semi Condensed", "Barlow", sans-serif; font-weight: 700; font-size: 1.4rem; letter-spacing: .03em; }
.sem-people-list { list-style: none; margin: 0; padding: 0; }
.sem-people-list li { display: flex; justify-content: space-between; gap: 1rem; padding: .65rem 0; border-bottom: 1px solid var(--line); }
.sem-people-list li:last-child { border-bottom: 0; }

@media (max-width: 767.98px) {
    .sem-public h1 { font-size: 1.7rem; }
    .sem-summary .sem-btn { width: 100%; }
}