/* KSI Events — public calendar, event extras, subscribe modal, embed mode.
 * Builds on events-public.css tokens (--ksi-blue, --ksi-navy, …).
 * Accents borrowed from the shared design library: soft ambient glow,
 * ocean-gradient CTA, glassy surfaces — kept light to match the KSI site.
 */
:root {
    --cal-accent: var(--ksi-blue, #2c5aa0);
    --cal-accent-dark: var(--ksi-blue-dark, #1a3d7a);
    --cal-grad: linear-gradient(135deg, #3b7bd4 0%, #2c5aa0 55%, #1a3d7a 100%);
    --cal-surface: #ffffff;
    --cal-line: #e3e8f0;
    --cal-muted: #6b7280;
    --cal-radius: 12px;
    --cal-focus: 0 0 0 3px rgba(44, 90, 160, 0.25);

    /* FullCalendar theme */
    --fc-border-color: var(--cal-line);
    --fc-today-bg-color: rgba(44, 90, 160, 0.07);
    --fc-page-bg-color: #ffffff;
    --fc-neutral-bg-color: #f5f7fb;
    --fc-list-event-hover-bg-color: #eef3fb;
    --fc-now-indicator-color: #e0457b;
    --fc-event-border-color: transparent;
}

/* ---------- header language switch ---------- */
.site-header-inner { justify-content: space-between; gap: 12px; }
.lang-switch { display: flex; gap: 4px; }
.lang-switch a {
    color: rgba(255, 255, 255, 0.75);
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    padding: 4px 10px;
    border-radius: 999px;
    border: 1px solid transparent;
}
.lang-switch a:hover { color: #fff; border-color: rgba(255, 255, 255, 0.35); }
.lang-switch a.active { color: var(--ksi-navy, #1a1a2e); background: #fff; }

/* ---------- page layout ---------- */
.cal-container { max-width: 1200px; position: relative; }
body.is-calendar .site-header-inner { max-width: 1200px; }
.cal-container::before {
    /* ambient glow */
    content: "";
    position: absolute;
    inset: -40px 10% auto 10%;
    height: 260px;
    background: radial-gradient(ellipse at center, rgba(44, 90, 160, 0.12), transparent 70%);
    pointer-events: none;
    z-index: 0;
}
.cal-container > * { position: relative; z-index: 1; }

.cal-hero { display: flex; justify-content: space-between; align-items: flex-end; gap: 16px; margin-bottom: 18px; }
.cal-hero h1 { margin-bottom: 6px; }
.cal-lead { color: var(--text-secondary, #555); max-width: 60ch; }

/* ---------- buttons ---------- */
.cal-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    min-height: 38px;
    padding: 7px 14px;
    border: 1px solid var(--cal-line);
    border-radius: 8px;
    background: var(--cal-surface);
    color: var(--ksi-navy, #1a1a2e);
    font: inherit;
    font-size: 0.92rem;
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: background 0.15s, border-color 0.15s, transform 0.1s, box-shadow 0.15s;
}
.cal-btn:hover { border-color: var(--cal-accent); color: var(--cal-accent); }
.cal-btn:active { transform: translateY(1px); }
.cal-btn:focus-visible, .cal-views button:focus-visible, .cal-filter select:focus-visible { outline: none; box-shadow: var(--cal-focus); }
.cal-btn-primary { background: var(--cal-grad); color: #fff; border-color: transparent; box-shadow: 0 4px 14px rgba(44, 90, 160, 0.28); }
.cal-btn-primary:hover { color: #fff; border-color: transparent; box-shadow: 0 6px 18px rgba(44, 90, 160, 0.36); }
.cal-btn-ghost { background: transparent; }
.cal-btn-block { display: flex; width: 100%; }
.cal-icon { width: 38px; padding: 0; font-size: 1.3rem; line-height: 1; }

/* ---------- filters ---------- */
.cal-filters {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-end;
    gap: 12px;
    padding: 14px 16px;
    margin-bottom: 16px;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(8px);
    border: 1px solid var(--cal-line);
    border-radius: var(--cal-radius);
}
.cal-filter { display: flex; flex-direction: column; gap: 4px; min-width: 170px; flex: 1 1 170px; }
.cal-filter span { font-size: 0.78rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.05em; color: var(--cal-muted); }
.cal-filter select {
    min-height: 38px;
    padding: 6px 10px;
    border: 1px solid var(--cal-line);
    border-radius: 8px;
    background: #fff;
    font: inherit;
    font-size: 0.95rem;
}
.cal-chips { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 12px; }
.cal-chip { background: var(--ksi-blue-light, #e8f0fb); color: var(--cal-accent-dark); border-radius: 999px; padding: 3px 12px; font-size: 0.85rem; font-weight: 500; }

/* ---------- toolbar ---------- */
.cal-toolbar {
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
}
.cal-nav { display: flex; gap: 6px; }
.cal-title { margin: 0; font-size: 1.35rem; text-align: center; color: var(--ksi-navy, #1a1a2e); }
#cal-grid[hidden], .cal-list[hidden], .cal-toolbar[hidden] { display: none !important; }
.cal-side { display: flex; gap: 10px; align-items: center; }
.cal-views { display: inline-flex; background: #eef1f6; border-radius: 10px; padding: 3px; }
.cal-views button {
    border: 0;
    background: transparent;
    padding: 6px 12px;
    border-radius: 8px;
    font: inherit;
    font-size: 0.9rem;
    color: var(--text-secondary, #555);
    cursor: pointer;
}
.cal-views button.active { background: #fff; color: var(--cal-accent-dark); font-weight: 600; box-shadow: 0 1px 4px rgba(0, 0, 0, 0.08); }
.cal-toolbar.is-list .cal-nav { visibility: hidden; }

/* ---------- calendar surface ---------- */
.cal-surface {
    position: relative;
    background: var(--cal-surface);
    border: 1px solid var(--cal-line);
    border-radius: var(--cal-radius);
    box-shadow: 0 2px 12px rgba(20, 40, 80, 0.06);
    padding: 12px;
    min-height: 200px;
}
.cal-status { display: none; font-size: 0.9rem; color: var(--cal-muted); padding: 4px 6px 10px; }
.cal-status.is-visible { display: block; }
.cal-status.is-error { color: var(--red-danger, #dc3545); }

.fc { font-size: 0.92rem; }
.fc .fc-col-header-cell-cushion, .fc .fc-daygrid-day-number { color: var(--ksi-navy, #1a1a2e); text-decoration: none; }
.fc .fc-col-header-cell { background: #f7f9fc; font-weight: 600; text-transform: uppercase; font-size: 0.75rem; letter-spacing: 0.05em; }
.fc .fc-daygrid-event, .fc .fc-timegrid-event { border-radius: 6px; padding: 1px 4px; cursor: pointer; }
.fc .fc-daygrid-dot-event { background: transparent; }
.fc .fc-daygrid-dot-event:hover { background: #eef3fb; }
.fc .fc-event:focus-visible { box-shadow: var(--cal-focus); }
.fc .fc-list-event-title a { color: var(--ksi-navy, #1a1a2e); text-decoration: none; font-weight: 500; }
.fc .fc-multimonth-title { font-size: 1rem; text-transform: capitalize; }
.fc .fc-day-today .fc-daygrid-day-number { background: var(--cal-accent); color: #fff; border-radius: 999px; min-width: 26px; text-align: center; }

/* ---------- list view (cards) ---------- */
.cal-list { padding: 4px; }
.cal-list-month {
    margin: 18px 0 10px;
    font-size: 1.05rem;
    color: var(--cal-accent-dark);
    border-left: 4px solid var(--cal-accent);
    padding-left: 10px;
}
.cal-list-month:first-child { margin-top: 4px; }
.cal-list .events-grid { grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); }
.cal-list .event-card { display: flex; flex-direction: column; }
.event-subtitle-sm { color: var(--text-secondary, #555); font-size: 0.9rem; margin-bottom: 4px; }
.event-card-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; margin-top: auto; padding-top: 12px; }
.event-card-actions .btn-register-small { margin-top: 0; }
.cal-link { color: var(--cal-accent); font-size: 0.9rem; font-weight: 500; text-decoration: none; }
.cal-link:hover { text-decoration: underline; }

/* ---------- legend ---------- */
.cal-legend { display: flex; flex-wrap: wrap; gap: 8px 16px; margin-top: 14px; font-size: 0.85rem; color: var(--text-secondary, #555); }
.cal-legend-item { display: inline-flex; align-items: center; gap: 6px; }
.cal-dot { width: 10px; height: 10px; border-radius: 50%; display: inline-block; }

/* ---------- subscribe modal ---------- */
.cal-modal {
    border: 0;
    padding: 0;
    margin: auto;
    max-height: calc(100vh - 32px);
    border-radius: 16px;
    width: min(520px, calc(100vw - 32px));
    box-shadow: 0 24px 60px rgba(10, 20, 40, 0.3);
}
.cal-modal::backdrop { background: rgba(10, 16, 34, 0.55); backdrop-filter: blur(3px); }
.cal-modal-inner { padding: 22px 24px 24px; display: flex; flex-direction: column; gap: 10px; }
.cal-modal-head { display: flex; justify-content: space-between; align-items: center; }
.cal-modal-head h3 { margin: 0; color: var(--ksi-navy, #1a1a2e); }
.cal-modal-intro { color: var(--text-secondary, #555); font-size: 0.95rem; }
.cal-modal-label { font-size: 0.8rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.05em; color: var(--cal-muted); margin-top: 6px; }
.cal-modal-row { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.cal-copy { display: flex; gap: 8px; }
.cal-copy input {
    flex: 1;
    min-width: 0;
    padding: 8px 10px;
    border: 1px solid var(--cal-line);
    border-radius: 8px;
    background: #f7f9fc;
    font: inherit;
    font-size: 0.85rem;
}
.cal-hint { font-size: 0.82rem; color: var(--cal-muted); }
.cal-modal-filters { background: var(--ksi-blue-light, #e8f0fb); border-radius: 10px; padding: 10px 14px; font-size: 0.88rem; color: var(--cal-accent-dark); }
.cal-modal-filters ul { margin: 4px 0 0 18px; }

/* ---------- event detail extras ---------- */
.cal-breadcrumb { margin-bottom: 12px; }
.cal-back { color: var(--cal-accent); text-decoration: none; font-weight: 500; }
.cal-back:hover { text-decoration: underline; }
.event-extras {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 24px;
    margin-top: 28px;
    padding-top: 22px;
    border-top: 1px solid var(--border-light, #e0e0e0);
}
.event-extras h3 { font-size: 1rem; color: var(--ksi-navy, #1a1a2e); margin-bottom: 10px; }
.addcal-buttons { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 8px; }
.event-qr { text-align: center; }
.event-qr img { display: block; margin: 0 auto 6px; border-radius: 8px; border: 1px solid var(--cal-line); background: #fff; }
.qr-links { font-size: 0.85rem; }
.qr-links a { color: var(--cal-accent); }

/* ---------- embed mode ---------- */
body.is-embed { background: transparent; }
body.is-embed .cal-container { padding: 8px; max-width: none; }
body.is-embed .cal-container::before { display: none; }

/* ---------- responsive ---------- */
@media (max-width: 900px) {
    .cal-toolbar { grid-template-columns: 1fr auto; }
    .cal-title { grid-column: 1 / -1; grid-row: 1; text-align: left; }
    .cal-side { justify-content: flex-end; }
}
@media (max-width: 640px) {
    .cal-hide-sm { display: none; }
    .cal-toolbar { grid-template-columns: 1fr; }
    .cal-nav { justify-content: space-between; }
    .cal-toolbar.is-list .cal-nav { display: none; }
    .cal-side { flex-wrap: wrap; justify-content: space-between; }
    .cal-views { flex: 1; }
    .cal-views button { flex: 1; }
    .cal-surface { padding: 6px; border-radius: 10px; }
    .cal-filter { min-width: 100%; }
    .event-extras { grid-template-columns: 1fr; }
    .cal-modal-row { grid-template-columns: 1fr; }
    .fc .fc-toolbar-title { font-size: 1.1rem; }
}
@media (prefers-reduced-motion: reduce) {
    .cal-btn, .event-card { transition: none; }
}