/* ==========================================================================
   Appartement-Buchungssystem (Möwe & Robbe) - Modern Stylesheet
   ========================================================================== */

:root {
    --bg-body: #f1f5f9;
    --bg-surface: #ffffff;
    --bg-sidebar: #0f172a;
    --bg-sidebar-hover: #1e293b;
    --text-main: #0f172a;
    --text-muted: #64748b;
    --border-color: #e2e8f0;
    --primary: #0284c7;
    --primary-hover: #0369a1;
    --primary-light: #e0f2fe;
    --success: #16a34a;
    --success-bg: #dcfce7;
    --success-border: #86efac;
    --warning: #d97706;
    --warning-bg: #fef3c7;
    --warning-border: #fcd34d;
    --info: #2563eb;
    --info-bg: #dbeafe;
    --info-border: #93c5fd;
    --danger: #dc2626;
    --danger-bg: #fee2e2;
    --radius: 10px;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.08), 0 2px 4px -2px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.08);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--bg-body);
    color: var(--text-main);
    line-height: 1.5;
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    width: 260px;
    background-color: var(--bg-sidebar);
    color: #f8fafc;
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
    position: sticky;
    top: 0;
    height: 100vh;
}

.sidebar-brand {
    padding: 20px 22px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.sidebar-brand-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.mobile-menu-toggle {
    display: none;
    background: #1e293b;
    color: #fff;
    border: 1px solid #334155;
    padding: 8px 12px;
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
}

.sidebar-brand h1 {
    font-size: 1.15rem;
    font-weight: 700;
    color: #fff;
    display: flex;
    align-items: center;
    gap: 10px;
}

.sidebar-brand p {
    font-size: 0.78rem;
    color: #94a3b8;
    margin-top: 4px;
}

.sidebar-nav {
    padding: 16px 12px;
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.nav-btn {
    display: flex;
    align-items: center;
    gap: 12px;
    width: 100%;
    padding: 11px 14px;
    border: none;
    background: transparent;
    color: #cbd5e1;
    font-size: 0.92rem;
    font-weight: 500;
    text-align: left;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.15s ease;
}

.nav-btn:hover {
    background-color: var(--bg-sidebar-hover);
    color: #fff;
}

.nav-btn.active {
    background-color: var(--primary);
    color: #fff;
    font-weight: 600;
}

.sidebar-footer {
    padding: 16px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 0.78rem;
    color: #94a3b8;
}

/* Main Content */
.main-wrapper {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.topbar {
    background: var(--bg-surface);
    border-bottom: 1px solid var(--border-color);
    padding: 14px 28px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    position: sticky;
    top: 0;
    z-index: 20;
}

.topbar-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-main);
}

.topbar-actions {
    display: flex;
    align-items: center;
    gap: 10px;
}

.content-area {
    padding: 24px 28px;
    flex: 1;
}

/* Views */
.view-section {
    display: none;
}

.view-section.active {
    display: block;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 9px 16px;
    font-size: 0.88rem;
    font-weight: 600;
    border-radius: 8px;
    border: 1px solid transparent;
    cursor: pointer;
    transition: all 0.15s ease;
    text-decoration: none;
    white-space: nowrap;
}

.btn-primary {
    background-color: var(--primary);
    color: #fff;
}

.btn-primary:hover {
    background-color: var(--primary-hover);
}

.btn-secondary {
    background-color: #fff;
    color: var(--text-main);
    border-color: var(--border-color);
}

.btn-secondary:hover {
    background-color: #f8fafc;
    border-color: #cbd5e1;
}

.btn-success {
    background-color: var(--success);
    color: #fff;
}

.btn-success:hover {
    background-color: #15803d;
}

.btn-danger {
    background-color: var(--danger);
    color: #fff;
}

.btn-danger:hover {
    background-color: #b91c1c;
}

.btn-sm {
    padding: 5px 10px;
    font-size: 0.8rem;
    border-radius: 6px;
}

/* Cards & Grid */
.card {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    padding: 20px;
    margin-bottom: 20px;
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border-color);
    flex-wrap: wrap;
    gap: 12px;
}

.card-title {
    font-size: 1.05rem;
    font-weight: 700;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}

.stat-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 18px 20px;
    box-shadow: var(--shadow-sm);
}

.stat-label {
    font-size: 0.82rem;
    color: var(--text-muted);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.stat-value {
    font-size: 1.65rem;
    font-weight: 800;
    margin-top: 6px;
    color: var(--text-main);
}

.stat-sub {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 4px;
}

.grid-2 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 20px;
}

/* Badges */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 3px 9px;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: 999px;
}

.badge-paid {
    background-color: var(--success-bg);
    color: #166534;
    border: 1px solid var(--success-border);
}

.badge-open {
    background-color: var(--warning-bg);
    color: #92400e;
    border: 1px solid var(--warning-border);
}

.badge-dummy {
    background-color: var(--info-bg);
    color: #1e40af;
    border: 1px solid var(--info-border);
}

.badge-fewo1 {
    background-color: #e0f2fe;
    color: #0369a1;
}

.badge-fewo2 {
    background-color: #f3e8ff;
    color: #6b21a8;
}

/* Tables */
.table-wrap {
    overflow-x: auto;
}

table.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.88rem;
}

table.data-table th,
table.data-table td {
    padding: 10px 12px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

table.data-table th {
    background-color: #f8fafc;
    font-weight: 600;
    color: #475569;
    white-space: nowrap;
}

table.data-table tbody tr:hover {
    background-color: #f8fafc;
}

.text-right {
    text-align: right !important;
}

.text-center {
    text-align: center !important;
}

/* Filter Bar */
.filter-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    align-items: center;
    margin-bottom: 16px;
}

.form-control,
.form-select {
    padding: 8px 12px;
    border: 1px solid #cbd5e1;
    border-radius: 7px;
    font-size: 0.9rem;
    background-color: #fff;
    color: var(--text-main);
    outline: none;
    transition: border-color 0.15s ease;
}

.form-control:focus,
.form-select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(2, 132, 199, 0.15);
}

/* Timeline / Belegungsplan */
.legend-bar {
    display: flex;
    gap: 18px;
    align-items: center;
    flex-wrap: wrap;
    font-size: 0.84rem;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 6px;
}

.legend-dot {
    width: 14px;
    height: 14px;
    border-radius: 4px;
}

.timeline-month-block {
    margin-bottom: 18px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
    background: #fff;
}

.timeline-month-header {
    background: #f8fafc;
    padding: 8px 14px;
    font-weight: 700;
    font-size: 0.92rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
}

.timeline-table {
    width: 100%;
    border-collapse: collapse;
    table-layout: fixed;
}

.timeline-table th,
.timeline-table td {
    border-right: 1px solid #e2e8f0;
    border-bottom: 1px solid #e2e8f0;
    height: 34px;
    font-size: 0.74rem;
    text-align: center;
    padding: 0;
    position: relative;
}

.timeline-table th.fewo-col,
.timeline-table td.fewo-col {
    width: 110px;
    text-align: left;
    padding: 0 10px;
    font-weight: 600;
    background: #f8fafc;
    position: sticky;
    left: 0;
    z-index: 5;
}

.timeline-table th.weekend {
    background-color: #f1f5f9;
    color: #0f172a;
    font-weight: 700;
}

.timeline-table td.today-col {
    background-color: #fef9c3;
}

.timeline-row-track {
    position: relative;
    height: 36px;
}

.booking-bar {
    position: absolute;
    top: 4px;
    bottom: 4px;
    border-radius: 5px;
    padding: 0 6px;
    font-size: 0.73rem;
    font-weight: 600;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    display: flex;
    align-items: center;
    cursor: pointer;
    z-index: 3;
    box-shadow: 0 1px 2px rgba(0,0,0,0.12);
    transition: transform 0.1s ease, filter 0.1s ease;
}

.booking-bar:hover {
    filter: brightness(0.95);
    z-index: 10;
}

.booking-bar.status-paid {
    background-color: var(--success-bg);
    color: #14532d;
    border: 1px solid #4ade80;
}

.booking-bar.status-open {
    background-color: var(--warning-bg);
    color: #78350f;
    border: 1px solid #fbbf24;
}

.booking-bar.status-dummy {
    background-color: var(--info-bg);
    color: #1e3a8a;
    border: 1px solid #60a5fa;
}

/* Modals */
.modal-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.55);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 100;
    padding: 20px;
}

.modal-backdrop.open {
    display: flex;
}

.modal-dialog {
    background: #fff;
    border-radius: 12px;
    width: 100%;
    max-width: 900px;
    max-height: 92vh;
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-lg);
    overflow: hidden;
}

.modal-header {
    padding: 16px 22px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: #f8fafc;
}

.modal-header h3 {
    font-size: 1.1rem;
    font-weight: 700;
}

.modal-body {
    padding: 20px 22px;
    overflow-y: auto;
    flex: 1;
}

.modal-footer {
    padding: 14px 22px;
    border-top: 1px solid var(--border-color);
    background: #f8fafc;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
}

/* Forms inside Modals & Cards */
.form-grid {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: 14px;
}

.guest-name-row {
    grid-column: span 12;
    display: grid;
    grid-template-columns: 95px 1fr 1.15fr 155px;
    gap: 14px;
}

.col-12 { grid-column: span 12; }
.col-10 { grid-column: span 10; }
.col-9  { grid-column: span 9; }
.col-8  { grid-column: span 8; }
.col-7  { grid-column: span 7; }
.col-6  { grid-column: span 6; }
.col-5  { grid-column: span 5; }
.col-4  { grid-column: span 4; }
.col-3  { grid-column: span 3; }
.col-2  { grid-column: span 2; }
.col-1  { grid-column: span 1; }

.form-group {
    display: flex;
    flex-direction: column;
    gap: 5px;
    min-width: 0;
}

.form-group label {
    font-size: 0.8rem;
    font-weight: 600;
    color: #334155;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.form-section-title {
    grid-column: span 12;
    font-size: 0.88rem;
    font-weight: 700;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 5px;
    margin-top: 8px;
}

/* Guest Search Dropdown inside Booking Modal */
.guest-picker-wrap {
    position: relative;
}

.guest-suggestions {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: #fff;
    border: 1px solid #cbd5e1;
    border-radius: 8px;
    max-height: 220px;
    overflow-y: auto;
    z-index: 40;
    box-shadow: var(--shadow-md);
    display: none;
}

.guest-suggestions.open {
    display: block;
}

.guest-suggestion-item {
    padding: 8px 12px;
    cursor: pointer;
    border-bottom: 1px solid #f1f5f9;
    font-size: 0.86rem;
}

.guest-suggestion-item:hover {
    background-color: var(--primary-light);
}

/* Document Preview */
.doc-preview-box {
    border: 1px solid #cbd5e1;
    border-radius: 8px;
    padding: 24px;
    background: #fff;
    min-height: 320px;
    font-family: Arial, Helvetica, sans-serif;
    color: #000;
}

/* Toast Notification */
#toast-container {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 999;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.toast {
    background: #0f172a;
    color: #fff;
    padding: 12px 18px;
    border-radius: 8px;
    font-size: 0.88rem;
    font-weight: 500;
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: 10px;
}

.toast.toast-error {
    background: var(--danger);
}

.toast.toast-success {
    background: var(--success);
}

.timeline-month-block {
    margin-bottom: 18px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow-x: auto;
    background: #fff;
}

@media (max-width: 768px) {
    body {
        flex-direction: column;
    }

    .sidebar {
        width: 100%;
        height: auto;
        position: sticky;
        top: 0;
        z-index: 50;
        box-shadow: var(--shadow-md);
    }

    .sidebar-brand {
        padding: 12px 16px;
        border-bottom: none;
    }

    .mobile-menu-toggle {
        display: inline-flex;
        align-items: center;
        gap: 6px;
    }

    /* Menü und Status/Abmelden-Bereich standardmäßig eingeklappt auf dem Handy,
       damit sie beim Öffnen über "☰ Menü" komplett sichtbar sind */
    .sidebar-nav,
    .sidebar-footer {
        display: none;
    }

    .sidebar.mobile-open .sidebar-nav {
        display: flex;
        flex-direction: column;
        padding: 10px 12px;
        border-top: 1px solid rgba(255, 255, 255, 0.1);
        gap: 4px;
    }

    .sidebar.mobile-open .sidebar-footer {
        display: block;
        padding: 12px 16px 16px;
        border-top: 1px solid rgba(255, 255, 255, 0.1);
        background: #0b1120;
    }

    .topbar {
        position: static;
        padding: 12px 16px;
        flex-direction: column;
        align-items: stretch;
        gap: 10px;
    }

    .topbar-title {
        font-size: 1.1rem;
    }

    .topbar-actions {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 8px;
    }

    .topbar-actions .btn {
        padding: 8px 6px;
        font-size: 0.78rem;
    }

    .content-area {
        padding: 14px 12px;
    }

    .card {
        padding: 14px;
    }

    .grid-2 {
        grid-template-columns: 1fr;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }

    .stat-card {
        padding: 12px 14px;
    }

    .stat-value {
        font-size: 1.3rem;
    }

    .filter-bar .form-control,
    .filter-bar .form-select {
        width: 100%;
        min-width: 0 !important;
    }

    .timeline-table {
        min-width: 720px;
    }

    .modal-backdrop {
        padding: 8px;
    }

    .modal-header,
    .modal-body,
    .modal-footer {
        padding: 12px 14px;
    }

    .modal-footer {
        flex-wrap: wrap;
    }

    .guest-name-row {
        grid-template-columns: 90px 1fr;
        gap: 10px;
    }
}

@media (max-width: 540px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }

    .col-10, .col-9, .col-8, .col-7, .col-6, .col-5, .col-4, .col-3, .col-2, .col-1 {
        grid-column: span 12;
    }
}