:root {
    --bg: #f3f4f6;
    --card-bg: #ffffff;
    --primary: #2563eb;
    --primary-soft: #dbeafe;
    --border: #e5e7eb;
    --text: #111827;
    --muted: #6b7280;
    --danger: #b91c1c;
    --success: #15803d;

    --event-blue-bg: #dbeafe;
    --event-blue-border: #2563eb;
    --event-green-bg: #dcfce7;
    --event-green-border: #16a34a;
    --event-red-bg: #fee2e2;
    --event-red-border: #dc2626;
    --event-orange-bg: #ffedd5;
    --event-orange-border: #ea580c;
    --event-purple-bg: #ede9fe;
    --event-purple-border: #7c3aed;
    --event-grey-bg: #e5e7eb;
    --event-grey-border: #6b7280;
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

html, body {
    margin: 0;
    padding: 0;
    height: 100%;
}

body {
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    background: radial-gradient(circle at top, #eff6ff, #f9fafb);
    color: var(--text);
}

a {
    color: inherit;
    text-decoration: none;
}

/* ---------- Topbar ---------- */

.topbar {
    position: sticky;
    top: 0;
    z-index: 20;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: .65rem 1rem;
    background: rgba(255,255,255,.9);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(148,163,184,.4);
}

.topbar-left {
    display: flex;
    align-items: center;
    gap: 1rem;
}
.logo {
    font-weight: 700;
    font-size: 1rem;
}
.nav-links a {
    margin-right: .6rem;
    padding: .35rem .7rem;
    border-radius: 999px;
    font-size: .85rem;
    color: var(--muted);
}
.nav-links a:hover {
    background: var(--primary-soft);
    color: var(--primary);
}
.topbar-right {
    display: flex;
    align-items: center;
    gap: .4rem;
}
.chip {
    padding: .35rem .7rem;
    border-radius: 999px;
    border: 1px solid var(--border);
    font-size: .8rem;
    color: var(--muted);
}
.chip-admin {
    border-color: var(--primary);
    color: var(--primary);
}

/* ---------- Layout / Vollbild ---------- */

.page {
    width: 100%;
    max-width: none;
    margin: 0;
    padding: .75rem 1rem 2rem;
    min-height: calc(100vh - 48px); /* grob Höhe der Topbar */
    display: flex;
    flex-direction: column;
}

.card {
    background: var(--card-bg);
    border-radius: 16px;
    box-shadow: 0 18px 40px rgba(15,23,42,.08);
    padding: 1rem 1.25rem;
    margin-bottom: 1rem;
    width: 100%;
}

/* ---------- Typografie / Buttons ---------- */

h1 {
    margin-top: 0;
    font-size: 1.4rem;
}
h2 {
    font-size: 1.1rem;
    margin-top: 1.2rem;
}
.muted { color: var(--muted); font-size: .85rem; }

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: .45rem .9rem;
    border-radius: 999px;
    border: none;
    background: var(--primary);
    color: #fff;
    font-size: .85rem;
    font-weight: 600;
    cursor: pointer;
}
.btn-subtle {
    background: #e5e7eb;
    color: #111827;
}
.btn-danger {
    background: var(--danger);
}
.btn + .btn {
    margin-left: .3rem;
}

form .field {
    margin-bottom: .7rem;
}
label {
    display: block;
    font-size: .85rem;
    font-weight: 600;
    margin-bottom: .15rem;
}
input[type="text"],
input[type="email"],
input[type="password"],
input[type="datetime-local"],
input[type="number"],
select,
textarea {
    width: 100%;
    border-radius: .6rem;
    border: 1px solid var(--border);
    padding: .45rem .6rem;
    font-size: .9rem;
}
textarea {
    min-height: 80px;
}
input:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 1px var(--primary-soft);
}

.alert {
    padding: .6rem .8rem;
    border-radius: .75rem;
    font-size: .85rem;
    margin-bottom: .7rem;
}
.alert-error {
    background: #fee2e2;
    border: 1px solid #fecaca;
    color: var(--danger);
}
.alert-success {
    background: #dcfce7;
    border: 1px solid #bbf7d0;
    color: var(--success);
}

/* ---------- Kalender-Grid ---------- */

.calendar-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: .6rem;
}
.calendar-header-left {
    display: flex;
    align-items: center;
    gap: .4rem;
}
.calendar-header-right {
    display: flex;
    align-items: center;
    gap: .4rem;
}
.calendar-title {
    font-weight: 600;
}

.calendar-grid {
    display: grid;
    grid-template-columns: repeat(7, minmax(0, 1fr));
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--border);
    background: #f8fafc;
    width: 100%;
    min-height: 70vh; /* damit der Kalender fast den ganzen Bildschirm einnimmt */
}

.calendar-weekday {
    padding: .4rem .35rem;
    font-size: .8rem;
    text-align: right;
    background: #e5e7eb;
    color: var(--muted);
    border-bottom: 1px solid var(--border);
}

.calendar-cell {
    min-height: 90px;
    border-right: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    padding: .25rem .25rem .35rem;
    display: flex;
    flex-direction: column;
    position: relative;
}
.calendar-cell:nth-child(7n),
.calendar-cell:nth-child(7n+7) {
    border-right: none;
}
.calendar-day-number {
    font-size: .75rem;
    font-weight: 600;
    text-align: right;
    color: var(--muted);
}
.calendar-cell.today {
    background: #eff6ff;
}
.calendar-cell.weekend {
    background: #fef3c7; /* Wochenenden farblich abgesetzt */
}

/* Events im Grid */

.event-pill {
    margin-top: .15rem;
    padding: .1rem .3rem;
    border-radius: .6rem;
    font-size: .7rem;
    max-width: 100%;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    border: 1px solid transparent;
}

.bg-blue  { background: var(--event-blue-bg); border-color: var(--event-blue-border); }
.bg-green { background: var(--event-green-bg); border-color: var(--event-green-border); }
.bg-red   { background: var(--event-red-bg); border-color: var(--event-red-border); }
.bg-orange{ background: var(--event-orange-bg); border-color: var(--event-orange-border); }
.bg-purple{ background: var(--event-purple-bg); border-color: var(--event-purple-border); }
.bg-grey  { background: var(--event-grey-bg); border-color: var(--event-grey-border); }

.dot-blue, .dot-green, .dot-red, .dot-orange, .dot-purple, .dot-grey {
    width: 8px;
    height: 8px;
    border-radius: 999px;
    margin-right: .25rem;
}
.dot-blue   { background: var(--event-blue-border); }
.dot-green  { background: var(--event-green-border); }
.dot-red    { background: var(--event-red-border); }
.dot-orange { background: var(--event-orange-border); }
.dot-purple { background: var(--event-purple-border); }
.dot-grey   { background: var(--event-grey-border); }

.event-pill-inner {
    display: flex;
    align-items: center;
}

/* Event-Detail / Teilnehmer */

.badge {
    display: inline-flex;
    align-items: center;
    padding: .2rem .4rem;
    border-radius: .6rem;
    font-size: .7rem;
    background: #e5e7eb;
    color: #374151;
}
.badge-status-yes {
    background: #dcfce7;
    color: #166534;
}
.badge-status-maybe {
    background: #fef3c7;
    color: #92400e;
}
.badge-status-no {
    background: #fee2e2;
    color: #b91c1c;
}

.participant-list {
    font-size: .85rem;
}
.participant-list strong {
    font-weight: 600;
}

/* Tabellen */

.table {
    width: 100%;
    border-collapse: collapse;
    font-size: .85rem;
}
.table th,
.table td {
    padding: .35rem .5rem;
    border-bottom: 1px solid var(--border);
}
.table th {
    text-align: left;
    background: #f9fafb;
}

/* ---------- Responsive ---------- */

@media (max-width: 800px) {
    .calendar-grid {
        font-size: .8rem;
    }
}
@media (max-width: 600px) {
    .topbar {
        flex-direction: column;
        align-items: flex-start;
        gap: .4rem;
    }
    .calendar-grid { grid-template-columns: repeat(7, minmax(0, 1fr)); overflow-x:auto; }
    .calendar-day { min-width: 44px; }
    .calendar-weekday { display:block; font-size:.7rem; }
}