:root {
    --primary: #1a3a5c;
    --accent: #2271b1;
    --accent-hover: #1a5e9a;
    --accent-light: #e4eff9;
    --bg: #ffffff;
    /* Cards/Masken: entspanntes Hellblau */
    --card-bg: #d6e6f5;
    --card-border: #b8d4ec;
    --card-text: #0f2a45;
    --text: #1e1e1e;
    --text-secondary: #50575e;
    --text-light: #757575;
    --border: #9bbdd9;
    --border-light: #c4d9ed;
    --success: #00a32a;
    --success-bg: #edfaef;
    --danger: #d63638;
    --danger-hover: #b32d2e;
    --danger-bg: #fcf0f1;
    --beige: #f5f0e8;
    --light-gray: #f6f7f7;
    --header-height: 52px;
    /* Inputs inside cards */
    --input-bg: rgba(255,255,255,0.75);
    --input-border: #9bbdd9;
    --input-text: #0f2a45;
    --input-focus-shadow: 0 0 0 2px rgba(34,113,177,0.3);
}
* { margin: 0; padding: 0; box-sizing: border-box; }
body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg);
    color: var(--text);
    font-size: 14px;
    line-height: 1.6;
}

/* STATUS BAR – bleibt dunkelblau */
.status-bar {
    position: fixed; top: 0; left: 0; right: 0;
    height: var(--header-height);
    background: var(--primary);
    color: #fff;
    display: flex; align-items: center; justify-content: space-between;
    padding: 0 20px; z-index: 1000;
    font-size: 13px;
    box-shadow: 0 1px 4px rgba(0,0,0,0.2);
}
.status-bar .left { display: flex; align-items: center; gap: 16px; }
.status-bar .right { display: flex; align-items: center; gap: 6px; }
.status-bar .logo { font-weight: 700; font-size: 15px; padding-right: 16px; border-right: 1px solid rgba(255,255,255,0.2); }
.status-bar .user-info { font-size: 13px; color: rgba(255,255,255,0.85); }
.status-bar .clock { font-variant-numeric: tabular-nums; color: rgba(255,255,255,0.75); font-size: 12px; padding-right: 12px; border-right: 1px solid rgba(255,255,255,0.15); }
.status-bar a { color: #fff; text-decoration: none; padding: 7px 14px; border-radius: 3px; font-size: 13px; font-weight: 500; transition: background 0.15s; }
.status-bar a:hover { background: rgba(255,255,255,0.15); }

.main-content { margin-top: var(--header-height); padding: 24px; max-width: 1400px; margin-left: auto; margin-right: auto; }

/* LOGIN */
.login-wrapper { display: flex; justify-content: center; align-items: center; min-height: 100vh; background: #fff; }
.login-box {
    background: var(--card-bg); color: var(--card-text);
    border: 1px solid var(--card-border); border-radius: 10px; padding: 40px 36px; width: 460px;
    box-shadow: 0 6px 24px rgba(34,113,177,0.15);
}
.login-box h1 { font-size: 22px; font-weight: 700; margin-bottom: 6px; color: var(--card-text); }
.login-box .subtitle { color: #3a6080; margin-bottom: 28px; font-size: 14px; }
.login-box .form-group label { color: #1a3a5c; font-weight: 600; }
.login-box .form-group input[type="text"],
.login-box .form-group input[type="password"] {
    background: rgba(255,255,255,0.85); border: 1px solid var(--border); color: var(--card-text);
}
.login-box .form-group input:focus { border-color: var(--accent); box-shadow: var(--input-focus-shadow); }
.login-box .radio-group label {
    border: 2px solid var(--card-border); color: var(--card-text); background: rgba(255,255,255,0.5);
}
.login-box .radio-group label:hover { border-color: var(--accent); background: rgba(255,255,255,0.75); }
.login-box .btn-primary { background: var(--primary); color: #fff; border-color: var(--accent-hover); }
.login-box .btn-primary:hover { background: var(--accent); }

/* FORMS (standard white pages) */
.form-group { margin-bottom: 18px; }
.form-group label { display: block; font-size: 13px; font-weight: 600; color: var(--text); margin-bottom: 6px; }
.form-group input[type="text"],
.form-group input[type="password"],
.form-group input[type="number"],
.form-group select {
    width: 100%; padding: 10px 12px; border: 1px solid var(--border); border-radius: 4px;
    font-size: 14px; color: var(--text); background: #fff; transition: border-color 0.15s, box-shadow 0.15s;
}
.form-group input:focus, .form-group select:focus { outline: none; border-color: var(--accent); box-shadow: var(--input-focus-shadow); }

.radio-group { display: flex; flex-direction: column; gap: 6px; margin-top: 4px; }
.radio-group label { display: flex; align-items: center; gap: 10px; font-size: 14px; font-weight: 400; cursor: pointer; padding: 10px 14px; border: 2px solid var(--border-light); border-radius: 6px; transition: all 0.15s; background: #fff; color: var(--text); }
.radio-group label:hover { border-color: var(--accent); background: var(--accent-light); }
.radio-group input[type="radio"] { width: 16px; height: 16px; accent-color: var(--accent); }

/* BUTTONS */
.btn { display: inline-flex; align-items: center; justify-content: center; padding: 10px 22px; border: 1px solid transparent; border-radius: 4px; font-size: 14px; font-weight: 600; cursor: pointer; transition: all 0.15s; text-decoration: none; text-align: center; line-height: 1.4; }
.btn-primary { background: var(--accent); color: #fff; border-color: var(--accent-hover); }
.btn-primary:hover { background: var(--accent-hover); }
.btn-secondary { background: #fff; color: var(--primary); border-color: var(--border); }
.btn-secondary:hover { background: #eaf2fb; border-color: var(--accent); }
.btn-danger { background: var(--danger); color: #fff; border-color: var(--danger-hover); }
.btn-danger:hover { background: var(--danger-hover); }
.btn-sm { padding: 6px 14px; font-size: 13px; }
.btn-block { display: block; width: 100%; }

/* MESSAGES */
.error-msg { background: var(--danger-bg); color: var(--danger); padding: 12px 16px; border-radius: 4px; margin-bottom: 16px; font-size: 14px; border-left: 4px solid var(--danger); font-weight: 500; }
.success-msg { background: var(--success-bg); color: #006d1b; padding: 12px 16px; border-radius: 4px; margin-bottom: 16px; font-size: 14px; border-left: 4px solid var(--success); font-weight: 500; }

/* CARDS – hellblau */
.card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 8px; padding: 20px 24px; margin-bottom: 16px;
    box-shadow: 0 2px 8px rgba(34,113,177,0.08);
    color: var(--card-text);
}
.card h2 { font-size: 15px; font-weight: 600; margin-bottom: 16px; color: var(--card-text); padding-bottom: 12px; border-bottom: 1px solid var(--card-border); }
.card p { color: #3a6080; }

/* Inputs inside cards */
.card .form-group label { color: var(--card-text); font-weight: 600; }
.card .form-group input,
.card .form-group select,
.card .inline-form input,
.card .inline-form select,
.inline-form input,
.inline-form select {
    background: var(--input-bg); border: 1px solid var(--input-border); color: var(--input-text);
}
.card .form-group input:focus,
.card .form-group select:focus,
.card .inline-form input:focus,
.card .inline-form select:focus,
.inline-form input:focus,
.inline-form select:focus {
    outline: none; border-color: var(--accent); box-shadow: var(--input-focus-shadow);
}
.inline-form input::placeholder { color: #6a90aa; }

/* Dropdown option text fix */
.inline-form select option,
.card select option,
select option { color: #1e1e1e; background: #fff; }

.card .btn-primary { background: var(--primary); color: #fff; border-color: var(--accent-hover); }
.card .btn-primary:hover { background: var(--accent); }
.card .btn-secondary { background: #fff; color: var(--primary); border-color: var(--border); }
.card .btn-secondary:hover { background: var(--accent-light); }

/* NAV BAR */
.nav-bar { display: flex; gap: 8px; margin-bottom: 20px; flex-wrap: wrap; }
.nav-bar a { padding: 9px 20px; background: var(--card-bg); border: 1px solid var(--card-border); border-radius: 4px; color: var(--card-text); text-decoration: none; font-size: 14px; font-weight: 500; transition: all 0.15s; }
.nav-bar a:hover { border-color: var(--accent); background: var(--accent-light); }
.nav-bar a.active { background: var(--primary); color: #fff; border-color: var(--primary); }

/* BOOKING TABLE */
.booking-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.booking-table th { background: var(--primary); color: #fff; padding: 10px 12px; text-align: center; font-weight: 600; font-size: 12px; white-space: nowrap; }
.booking-table th:first-child { text-align: left; min-width: 120px; }
.booking-table td { border: 1px solid var(--border-light); padding: 0; vertical-align: top; height: 60px; background: #fff; }
.booking-table td:first-child { padding: 8px 12px; font-weight: 600; background: var(--card-bg); color: var(--card-text); vertical-align: middle; white-space: nowrap; border-right: 2px solid var(--border); }
.booking-table tr:hover td:first-child { background: var(--accent-light); }

.seat-cell { display: flex; height: 100%; min-height: 60px; }
.seat-half { flex: 1; display: flex; align-items: center; justify-content: center; padding: 4px; font-size: 11px; text-align: center; transition: background 0.12s; border-right: 1px dashed var(--border-light); position: relative; color: var(--text); }
.seat-half:last-child { border-right: none; }
.seat-half.occupied { background: var(--danger-bg); color: var(--danger); font-weight: 600; }
.seat-half.free { background: #fff; cursor: pointer; }
.seat-half.free:hover { background: var(--accent-light); }
.seat-half .plus-icon { width: 28px; height: 28px; border-radius: 50%; background: var(--accent); color: #fff; display: flex; align-items: center; justify-content: center; font-size: 18px; font-weight: 700; transition: transform 0.12s, box-shadow 0.12s; box-shadow: 0 1px 3px rgba(0,0,0,0.15); }
.seat-half.free:hover .plus-icon { transform: scale(1.1); box-shadow: 0 2px 8px rgba(34,113,177,0.4); }

/* ROOM PARZELLEN */
.rooms-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 16px; padding: 8px 0; }
.room-parzelle { border: 1px solid var(--card-border); border-radius: 8px; overflow: hidden; background: #fff; transition: box-shadow 0.15s; }
.room-parzelle:hover { box-shadow: 0 4px 16px rgba(34,113,177,0.15); }
.room-parzelle-header { background: var(--primary); color: #fff; padding: 9px 14px; font-size: 13px; font-weight: 600; }
.room-parzelle-body { padding: 12px; position: relative; height: 160px; background: linear-gradient(135deg, #fafafa 0%, var(--beige) 50%, var(--light-gray) 100%); }
.office-svg { width: 100%; height: 100%; }
.seat-label { font-size: 10px; }

/* MODAL */
.modal-overlay { display: none; position: fixed; top: 0; left: 0; right: 0; bottom: 0; background: rgba(0,0,0,0.45); z-index: 2000; justify-content: center; align-items: center; }
.modal-overlay.active { display: flex; }
.modal {
    background: var(--card-bg); color: var(--card-text);
    border: 1px solid var(--card-border); border-radius: 10px; padding: 28px; width: 520px; max-height: 80vh; overflow-y: auto;
    box-shadow: 0 12px 48px rgba(34,113,177,0.2);
}
.modal h3 { margin-bottom: 8px; font-size: 18px; color: var(--card-text); font-weight: 700; }
.modal p { color: #3a6080; margin-bottom: 4px; }
.modal .close-btn { float: right; background: none; border: none; font-size: 22px; cursor: pointer; color: #3a6080; padding: 4px 8px; border-radius: 4px; }
.modal .close-btn:hover { background: rgba(34,113,177,0.1); color: var(--card-text); }
.modal .form-group label { color: var(--card-text); font-weight: 600; }
.modal .btn-secondary { background: #fff; color: var(--primary); border-color: var(--border); }
.modal .btn-primary { background: var(--primary); color: #fff; }

/* TIME SLOTS */
.time-slots { display: grid; grid-template-columns: repeat(3, 1fr); gap: 6px; margin: 16px 0; }
.time-slot { padding: 9px 6px; border: 2px solid var(--card-border); border-radius: 4px; text-align: center; cursor: pointer; font-size: 13px; font-weight: 500; transition: all 0.12s; user-select: none; background: rgba(255,255,255,0.7); color: var(--card-text); }
.time-slot:hover { border-color: var(--accent); background: #fff; }
.time-slot.selected { background: var(--primary); color: #fff; border-color: var(--primary); font-weight: 600; }
.time-slot.booked { background: rgba(255,255,255,0.3); color: #9bbdd9; cursor: not-allowed; border-color: var(--border-light); }

/* WEEK NAV */
.week-nav { display: flex; align-items: center; justify-content: center; gap: 16px; margin-bottom: 16px; }
.week-nav a { text-decoration: none; color: var(--primary); font-weight: 600; padding: 6px 14px; border: 1px solid var(--border); border-radius: 4px; background: #fff; transition: all 0.15s; font-size: 13px; }
.week-nav a:hover { background: var(--accent); color: #fff; border-color: var(--accent); }
.week-nav span { font-size: 14px; font-weight: 600; color: var(--card-text); }

/* TABS */
.tabs { display: flex; border-bottom: 2px solid var(--card-border); margin-bottom: 20px; }
.tabs a { padding: 10px 20px; text-decoration: none; color: #3a6080; font-weight: 500; font-size: 14px; border-bottom: 2px solid transparent; margin-bottom: -2px; transition: all 0.15s; }
.tabs a:hover { color: var(--card-text); }
.tabs a.active { color: var(--primary); border-bottom-color: var(--primary); font-weight: 600; }

/* ADMIN TABLE */
.admin-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.admin-table th { background: rgba(34,113,177,0.12); padding: 10px 12px; text-align: left; font-weight: 600; border-bottom: 2px solid var(--border); font-size: 12px; text-transform: uppercase; letter-spacing: 0.3px; color: #1a3a5c; }
.admin-table td { padding: 10px 12px; border-bottom: 1px solid var(--card-border); color: var(--card-text); }
.admin-table tr:hover td { background: rgba(255,255,255,0.5); }

/* INLINE FORM */
.inline-form { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.inline-form input, .inline-form select { padding: 8px 10px; border: 1px solid var(--input-border); border-radius: 4px; font-size: 13px; color: var(--input-text); background: var(--input-bg); }

/* Admin wrap */
.admin-wrap { background: var(--card-bg); border: 1px solid var(--card-border); color: var(--card-text); border-radius: 8px; padding: 24px; box-shadow: 0 2px 8px rgba(34,113,177,0.08); }
.admin-wrap > h1 { color: var(--card-text); margin-bottom: 16px; font-size: 20px; }
.admin-wrap .card { background: rgba(255,255,255,0.55); border-color: var(--card-border); box-shadow: none; }
.admin-wrap .card h2 { color: var(--card-text); border-bottom-color: var(--card-border); }
.admin-wrap .error-msg { background: #fde8e8; border-left-color: var(--danger); color: #9b1c1c; }
.admin-wrap .success-msg { background: #e8f8ef; border-left-color: var(--success); color: #065f46; }
.admin-wrap .flex-between { display: flex; justify-content: space-between; align-items: center; }
.admin-wrap .flex-between h2 { border: none; padding: 0; margin: 0; }

.flex-between { display: flex; justify-content: space-between; align-items: center; }
.mb-16 { margin-bottom: 16px; }
.mt-16 { margin-top: 16px; }

@media (max-width: 768px) {
    html, body { overflow-x: hidden; max-width: 100vw; }
    .main-content { padding: 16px; max-width: 100%; overflow-x: hidden; }
    .rooms-grid { grid-template-columns: 1fr 1fr; }
    .login-box { width: 95%; padding: 24px; }
    .status-bar { padding: 0 12px; font-size: 12px; }
    .status-bar .right { gap: 2px; }
    .status-bar a { padding: 5px 8px; font-size: 12px; }
    .card { max-width: 100%; overflow-x: auto; -webkit-overflow-scrolling: touch; }
    .tabs { overflow-x: auto; -webkit-overflow-scrolling: touch; flex-wrap: nowrap; }
    .tabs a { white-space: nowrap; flex-shrink: 0; padding: 10px 14px; font-size: 13px; }
    .week-nav { flex-wrap: wrap; gap: 8px; }
    .week-nav span { font-size: 13px; width: 100%; text-align: center; order: -1; }
    .week-nav a { font-size: 12px; padding: 6px 10px; }
    .nav-bar { overflow-x: auto; -webkit-overflow-scrolling: touch; flex-wrap: nowrap; }
    .nav-bar a { white-space: nowrap; flex-shrink: 0; }
    .seat-label { font-size: 13px; }
}