/* Backend: Terminverwaltung (Wochenraster, Tabelle, Chips, Formulare). */
.page-head { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 0.5rem 1rem; margin-bottom: 0.5rem; }
.page-head h1 { margin: 0; }
.button-row { display: flex; flex-wrap: wrap; gap: 0.5rem; align-items: center; }
.button-row .btn-primary { margin-top: 0; }
.muted { color: var(--color-muted); }
.alert-info { background: #eaf1fb; border-color: #a9c4ea; color: #12335f; }
.btn-small { padding: 0.25rem 0.6rem; font-size: 0.9rem; }
.btn-danger { color: #7a1a14; border-color: #f0a8a3; background: #fdecea; }

.tabs { display: flex; gap: 0.25rem; margin: 0.75rem 0; border-bottom: 2px solid var(--color-border); }
.tab { padding: 0.5rem 1rem; text-decoration: none; color: var(--color-text); border-radius: var(--radius) var(--radius) 0 0; }
.tab.is-active { background: var(--color-accent); color: var(--color-accent-contrast); font-weight: 600; }

.filter-bar { display: flex; flex-wrap: wrap; align-items: flex-end; gap: 0.5rem 1rem; margin-bottom: 1rem; }
.filter-bar label { margin: 0; font-size: 0.9rem; }
.quick-ranges { display: flex; flex-wrap: wrap; gap: 0.5rem; margin: 0 0 0.75rem; }
.filter-bar input, .filter-bar select { width: auto; }

.week-nav { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 0.5rem; margin-bottom: 0.75rem; }
.week-grid { display: grid; grid-template-columns: repeat(7, minmax(0, 1fr)); gap: 0.5rem; }
.day { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius); padding: 0.5rem; min-width: 0; }
.day.is-today { border-color: var(--color-accent); box-shadow: 0 0 0 2px var(--color-accent); }
.day h2 { font-size: 1rem; margin: 0 0 0.5rem; }
.slot { border: 1px solid var(--color-border); border-left: 4px solid var(--color-accent); border-radius: var(--radius); padding: 0.4rem; margin-bottom: 0.5rem; background: #fafbfc; }
.slot.is-blocked, tr.is-blocked { opacity: 0.75; background: #f1f1f1; }
.slot-time { font-weight: 700; margin: 0 0 0.25rem; }
.slot-actions { margin-top: 0.4rem; display: flex; flex-wrap: wrap; gap: 0.25rem; }
.slot-actions .btn-small { padding: 0.15rem 0.45rem; font-size: 0.8rem; }

.chip { display: inline-block; padding: 0.05rem 0.5rem; margin: 0 0.25rem 0.25rem 0; border-radius: 999px; font-size: 0.8rem; font-weight: 600; border: 1px solid; overflow-wrap: anywhere; }
.chip-free { color: var(--color-ok); border-color: var(--color-ok); background: #eaf6ee; }
.chip-booked { color: #12335f; border-color: #1d5fa6; background: #eaf1fb; }
.chip-blocked { color: var(--color-error); border-color: var(--color-error); background: #fdecea; }
.chip-off { color: var(--color-muted); border-color: var(--color-border); background: #f1f2f4; }

.slot-form { max-width: 28rem; }
fieldset { border: 1px solid var(--color-border); border-radius: var(--radius); margin: 1rem 0; padding: 0.5rem 1rem 1rem; }
label.check { display: flex; align-items: center; gap: 0.5rem; font-weight: 400; margin: 0.4rem 0 0; }
.duration-buttons { margin: 0.5rem 0 0; display: flex; flex-wrap: wrap; gap: 0.25rem; align-items: center; }

.stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(14rem, 1fr)); gap: 1rem; }
.stat h2 { margin: 0 0 0.5rem; color: var(--color-accent); }
.stat p { margin: 0.15rem 0; }
.stat-number { font-size: 1.4rem; font-weight: 700; }

@media (max-width: 64rem) {
    .week-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 40rem) {
    .week-grid { grid-template-columns: 1fr; }
    .table thead { display: none; }
    .table tr { display: block; border-bottom: 2px solid var(--color-border); padding: 0.4rem 0; }
    .table td { display: block; border: 0; padding: 0.2rem 0.4rem; }
    .table td[data-label]::before { content: attr(data-label) ": "; font-weight: 600; }
}