:root {
    --farbe-frei: #2f6fed;
    --farbe-frei-bg: #e8f0fe;
    --farbe-reserviert: #b8860b;
    --farbe-reserviert-bg: #fff3cd;
    --farbe-belegt: #6c757d;
    --farbe-belegt-bg: #e9ecef;
    --farbe-gesperrt: #999;
    --farbe-gesperrt-bg: #eeeeee;
    --farbe-text: #1a1a1a;
    --farbe-rand: #d8d8d8;
    --radius: 8px;
}

* { box-sizing: border-box; }

body {
    font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
    background: #f5f6f8;
    color: var(--farbe-text);
    margin: 0;
    padding: 0;
}

header.standfrei-header {
    background: #10233f;
    color: #fff;
    padding: 0.8rem 1.2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.5rem;
}

header.standfrei-header a {
    color: #fff;
    text-decoration: none;
}

header.standfrei-header .marke {
    font-weight: 700;
    font-size: 1.2rem;
}

header.standfrei-header nav a {
    margin-left: 1rem;
    opacity: 0.9;
}

main {
    max-width: 1000px;
    margin: 0 auto;
    padding: 1rem;
}

h1, h2 {
    margin-top: 0;
}

.termin-tabs {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    margin-bottom: 1rem;
}

.termin-tabs a {
    padding: 0.5rem 0.9rem;
    border-radius: 999px;
    background: #fff;
    border: 1px solid var(--farbe-rand);
    text-decoration: none;
    color: var(--farbe-text);
    font-size: 0.9rem;
}

.termin-tabs a.aktiv {
    background: #10233f;
    color: #fff;
    border-color: #10233f;
}

.legende {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 1rem;
    font-size: 0.85rem;
}

.legende .punkt {
    display: inline-block;
    width: 0.8rem;
    height: 0.8rem;
    border-radius: 3px;
    margin-right: 0.35rem;
    vertical-align: middle;
}

.tabelle-wrapper {
    overflow-x: auto;
    background: #fff;
    border-radius: var(--radius);
    border: 1px solid var(--farbe-rand);
}

table.buchungstabelle {
    border-collapse: collapse;
    width: 100%;
    min-width: 640px;
}

table.buchungstabelle th, table.buchungstabelle td {
    padding: 0.5rem;
    text-align: center;
    border: 1px solid var(--farbe-rand);
    font-size: 0.9rem;
}

table.buchungstabelle th.zeit-spalte, table.buchungstabelle td.zeit-spalte {
    text-align: left;
    font-weight: 600;
    white-space: nowrap;
}

.slot-feld {
    display: block;
    padding: 0.5rem 0.3rem;
    border-radius: 6px;
    text-decoration: none;
    color: var(--farbe-text);
    font-size: 0.82rem;
    line-height: 1.3;
}

.slot-frei { background: var(--farbe-frei-bg); color: var(--farbe-frei); font-weight: 600; }
.slot-frei:hover { filter: brightness(0.95); }
.slot-reserviert { background: var(--farbe-reserviert-bg); color: var(--farbe-reserviert); }
.slot-belegt { background: var(--farbe-belegt-bg); color: var(--farbe-belegt); }
.slot-nicht_buchbar { background: var(--farbe-gesperrt-bg); color: var(--farbe-gesperrt); }

.slot-eigene {
    outline: 2px solid #10233f;
    outline-offset: -2px;
    font-weight: 700;
}

.badge-limit {
    display: inline-block;
    padding: 0.2rem 0.6rem;
    border-radius: 999px;
    background: #e8f0fe;
    color: #10233f;
    font-size: 0.85rem;
    margin-bottom: 1rem;
}

form.formular {
    background: #fff;
    border: 1px solid var(--farbe-rand);
    border-radius: var(--radius);
    padding: 1rem;
    max-width: 420px;
}

form.formular label {
    display: block;
    margin-top: 0.8rem;
    font-weight: 600;
    font-size: 0.9rem;
}

form.formular input, form.formular select {
    width: 100%;
    padding: 0.5rem;
    margin-top: 0.25rem;
    border: 1px solid var(--farbe-rand);
    border-radius: 6px;
    font-size: 1rem;
}

form.formular input:disabled {
    background: #f2f2f2;
    color: #666;
}

.btn {
    display: inline-block;
    margin-top: 1rem;
    padding: 0.6rem 1.1rem;
    border-radius: 6px;
    border: none;
    background: #10233f;
    color: #fff;
    font-size: 1rem;
    cursor: pointer;
    text-decoration: none;
}

.btn.btn-gefahr {
    background: #b02a2a;
}

.btn.btn-sekundaer {
    background: #fff;
    color: #10233f;
    border: 1px solid #10233f;
}

.nachrichten {
    margin-bottom: 1rem;
}

.nachricht {
    padding: 0.6rem 0.9rem;
    border-radius: 6px;
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
}

.nachricht-success { background: #e6f4ea; color: #1e7e34; }
.nachricht-error { background: #fdecea; color: #b02a2a; }

.buchungsliste {
    list-style: none;
    padding: 0;
}

.buchungsliste li {
    background: #fff;
    border: 1px solid var(--farbe-rand);
    border-radius: var(--radius);
    padding: 0.8rem;
    margin-bottom: 0.6rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.5rem;
}

@media (max-width: 600px) {
    main { padding: 0.6rem; }
    table.buchungstabelle th, table.buchungstabelle td { padding: 0.35rem; font-size: 0.78rem; }
}
.abmelden-form {
    display: inline-block;
    margin-left: 1rem;
}

.abmelden-link {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.28);
    padding: 0.4rem 0.9rem;
    border-radius: 999px;
    color: #fff;
    font: inherit;
    font-size: 0.9rem;
    line-height: 1;
    cursor: pointer;
    transition: background-color 0.15s ease, border-color 0.15s ease, transform 0.1s ease;
}

.abmelden-link:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.45);
}

.abmelden-link:active {
    background: rgba(255, 255, 255, 0.28);
    transform: translateY(1px);
}

.abmelden-link:focus-visible {
    outline: 2px solid #fff;
    outline-offset: 2px;
}

.abmelden-icon {
    flex-shrink: 0;
}