*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
    --primary:   #2563eb;
    --primary-h: #1d4ed8;
    --green:     #16a34a;
    --red:       #dc2626;
    --gray-50:   #f9fafb;
    --gray-100:  #f3f4f6;
    --gray-200:  #e5e7eb;
    --gray-500:  #6b7280;
    --gray-700:  #374151;
    --gray-900:  #111827;
    --radius:    8px;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--gray-50);
    color: var(--gray-900);
    line-height: 1.6;
}

/* ── Layout ─────────────────────────────────────── */
.page-wrap {
    max-width: 860px;
    margin: 48px auto;
    padding: 0 24px;
}

h1 { font-size: 1.8rem; font-weight: 700; margin-bottom: 8px; }
.intro { color: var(--gray-500); margin-bottom: 32px; }

/* ── Kalender ───────────────────────────────────── */
#calendar {
    background: #fff;
    border-radius: var(--radius);
    border: 1px solid var(--gray-200);
    padding: 20px;
    margin-bottom: 32px;
}

.fc-event {
    background: var(--primary) !important;
    border: none !important;
    border-radius: 4px !important;
    font-size: 0.78rem !important;
    cursor: pointer;
}
.fc-event:hover { background: var(--primary-h) !important; }
.fc-daygrid-event { padding: 2px 6px !important; }

/* ── Buchungsformular ───────────────────────────── */
.form-box {
    background: #fff;
    border-radius: var(--radius);
    border: 1px solid var(--gray-200);
    padding: 32px;
    margin-bottom: 48px;
}
.form-box h2 { font-size: 1.3rem; margin-bottom: 8px; }

.selected-slot {
    display: inline-block;
    background: #eff6ff;
    color: var(--primary);
    border-radius: 20px;
    padding: 4px 14px;
    font-size: 0.9rem;
    margin-bottom: 24px;
}

.form-box label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--gray-700);
    margin-bottom: 16px;
}
.form-box input,
.form-box textarea {
    display: block;
    width: 100%;
    margin-top: 4px;
    padding: 10px 12px;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    font-size: 1rem;
    font-family: inherit;
    background: var(--gray-50);
    transition: border-color .15s;
}
.form-box input:focus,
.form-box textarea:focus {
    outline: none;
    border-color: var(--primary);
    background: #fff;
}

.form-actions {
    display: flex;
    gap: 12px;
    margin-top: 24px;
}
.form-actions button:first-child {
    padding: 10px 20px;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    background: #fff;
    color: var(--gray-700);
    cursor: pointer;
    font-size: 0.95rem;
}
.form-actions button:first-child:hover { background: var(--gray-100); }

.btn-primary {
    display: inline-block;
    padding: 10px 24px;
    background: var(--primary);
    color: #fff;
    border: none;
    border-radius: var(--radius);
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    transition: background .15s;
}
.btn-primary:hover { background: var(--primary-h); }

.hidden { display: none !important; }

/* ── Bestätigung ────────────────────────────────── */
.confirmation { display: flex; justify-content: center; align-items: flex-start; padding-top: 80px; }
.confirm-box {
    background: #fff;
    border-radius: var(--radius);
    border: 1px solid var(--gray-200);
    padding: 48px 40px;
    text-align: center;
    max-width: 480px;
    width: 100%;
}
.confirm-icon {
    width: 56px; height: 56px;
    background: #dcfce7;
    color: var(--green);
    border-radius: 50%;
    font-size: 1.6rem;
    line-height: 56px;
    margin: 0 auto 20px;
}
.confirm-box h1 { font-size: 1.5rem; margin-bottom: 12px; }
.confirm-box p  { color: var(--gray-500); margin-bottom: 10px; }
.confirm-box .btn-primary { margin-top: 24px; }

/* ── Admin-Seite ────────────────────────────────── */
.admin-page { background: var(--gray-100); }

.login-box {
    max-width: 360px;
    margin: 100px auto;
    background: #fff;
    padding: 40px;
    border-radius: var(--radius);
    border: 1px solid var(--gray-200);
    text-align: center;
}
.login-box h2 { margin-bottom: 24px; }
.login-box input {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    font-size: 1rem;
    margin-bottom: 12px;
}
.login-box button {
    width: 100%;
    padding: 10px;
    background: var(--primary);
    color: #fff;
    border: none;
    border-radius: var(--radius);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
}
.login-box button:hover { background: var(--primary-h); }
.error { color: var(--red); margin-bottom: 12px; font-size: 0.9rem; }

.admin-wrap { max-width: 900px; margin: 0 auto; padding: 32px 24px; }

.admin-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}
.admin-header h1 { font-size: 1.5rem; }
.btn-logout {
    padding: 8px 16px;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    background: #fff;
    color: var(--gray-700);
    text-decoration: none;
    font-size: 0.875rem;
}
.btn-logout:hover { background: var(--gray-100); }

.notice {
    background: #dcfce7;
    color: var(--green);
    border-radius: var(--radius);
    padding: 10px 16px;
    margin-bottom: 20px;
    font-size: 0.9rem;
}

.admin-controls {
    display: flex;
    align-items: flex-end;
    gap: 12px;
    margin-bottom: 24px;
    background: #fff;
    padding: 16px;
    border-radius: var(--radius);
    border: 1px solid var(--gray-200);
}
.admin-controls label { font-size: 0.875rem; font-weight: 500; color: var(--gray-700); }
.admin-controls input[type=date] {
    margin-top: 4px;
    padding: 8px 10px;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    font-size: 0.95rem;
}
.admin-controls button {
    padding: 8px 16px;
    background: var(--primary);
    color: #fff;
    border: none;
    border-radius: var(--radius);
    cursor: pointer;
    font-size: 0.9rem;
}
.admin-controls button:hover { background: var(--primary-h); }

.day-block {
    background: #fff;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    margin-bottom: 16px;
    overflow: hidden;
}
.day-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    background: var(--gray-50);
    border-bottom: 1px solid var(--gray-200);
}
.btn-remove-day {
    font-size: 0.8rem;
    color: var(--red);
    background: none;
    border: 1px solid var(--red);
    border-radius: 4px;
    padding: 3px 10px;
    cursor: pointer;
}
.btn-remove-day:hover { background: #fef2f2; }

.time-slots {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    padding: 16px;
}
.slot-label {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    border: 1px solid var(--gray-200);
    border-radius: 20px;
    cursor: pointer;
    font-size: 0.875rem;
    background: var(--gray-50);
    user-select: none;
    transition: all .15s;
}
.slot-label input { display: none; }
.slot-label.active {
    background: #dcfce7;
    border-color: var(--green);
    color: var(--green);
    font-weight: 600;
}
.slot-label:hover { border-color: var(--primary); }

.btn-save {
    margin-top: 8px;
    padding: 12px 32px;
    background: var(--green);
    color: #fff;
    border: none;
    border-radius: var(--radius);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
}
.btn-save:hover { background: #15803d; }