/* ============================================================
   Aircraft Logbook — "Instrument Panel" Design System
   Aviation-inspired: precision, clarity, glass-cockpit feel
   ============================================================ */

/* --- Design Tokens --- */
:root {
    /* Typography */
    --font-body: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'IBM Plex Mono', 'SF Mono', 'Fira Code', monospace;
    --font-handwriting: 'Caveat', cursive;
    --ink-color: #1a3a6e;

    /* Primary palette — deep navy */
    --primary-color: #162d4a;
    --primary-dark: #0c1e33;
    --primary-light: #1e3f66;
    --primary-muted: #2a5082;

    /* Lighter navy for navbar & card-header — better contrast with dark text/logos */
    --nav-light: #4a7ab5;
    --nav-color: #3868a0;
    --nav-dark: #2a5688;

    /* Gold accent — instrument trim */
    --accent-color: #d4a829;
    --accent-light: #e8c44a;
    --accent-muted: rgba(212, 168, 41, 0.15);

    /* Interactive blue — sky */
    --sky-color: #4a9eed;
    --sky-light: #6bb3f5;
    --sky-muted: rgba(74, 158, 237, 0.1);

    /* Surfaces */
    --bg-body: #f0f2f5;
    --bg-card: #ffffff;
    --bg-inset: #f7f8fa;
    --bg-table-header: #f4f5f8;

    /* Text */
    --text-primary: #1a2332;
    --text-secondary: #4a5568;
    --text-muted: #8896a6;
    --text-inverse: #ffffff;

    /* Borders */
    --border-color: #dde2e8;
    --border-light: #e8ecf0;
    --border-focus: var(--sky-color);

    /* Status */
    --success-color: #22a558;
    --danger-color: #e04356;
    --warning-color: #e8a817;

    /* Shadows */
    --shadow-md: 0 2px 8px rgba(22, 45, 74, 0.08);
    --shadow-lg: 0 4px 16px rgba(22, 45, 74, 0.1);
    --shadow-card: 0 1px 3px rgba(22, 45, 74, 0.04), 0 1px 2px rgba(22, 45, 74, 0.06);

    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 200ms cubic-bezier(0.4, 0, 0.2, 1);

    /* Radii */
    --radius-sm: 4px;
    --radius-md: 6px;
    --radius-lg: 8px;
}

/* --- Global Reset & Base --- */
body {
    font-family: var(--font-body);
    background-color: var(--bg-body);
    color: var(--text-primary);
    font-size: 0.9rem;
    line-height: 1.55;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* --- Navbar — Instrument Panel Header --- */
.navbar {
    background: linear-gradient(135deg, var(--nav-light) 0%, var(--nav-color) 35%, var(--nav-dark) 100%) !important;
    box-shadow: var(--shadow-md);
    padding-top: 0.6rem;
    padding-bottom: 0.6rem;
    border-bottom: 2px solid var(--accent-color);
}

.navbar-brand {
    font-weight: 600;
    font-size: 1.05rem;
    letter-spacing: 0.02em;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-inverse) !important;
    transition: opacity var(--transition-fast);
}

.navbar-brand:hover {
    opacity: 0.9;
}

.navbar-brand .mooney-logo {
    height: 30px;
    width: auto;
    margin-right: 0.2rem;
    filter: brightness(1.1);
}

.navbar-nav .nav-link {
    font-size: 0.84rem;
    font-weight: 500;
    letter-spacing: 0.015em;
    padding: 0.45rem 0.75rem !important;
    color: rgba(255, 255, 255, 0.85) !important;
    transition: color var(--transition-fast), background-color var(--transition-fast);
    border-radius: var(--radius-sm);
    margin: 0 0.1rem;
}

.navbar-nav .nav-link:hover {
    color: var(--text-inverse) !important;
    background-color: rgba(255, 255, 255, 0.08);
}

.navbar-nav .nav-link.active {
    color: var(--accent-light) !important;
    background-color: rgba(255, 255, 255, 0.06);
}

.navbar-nav .nav-item {
    display: flex;
    align-items: center;
}

/* Dropdown menus */
.dropdown-menu {
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    padding: 0.35rem;
    margin-top: 0.35rem !important;
    background: var(--bg-card);
}

.dropdown-menu li {
    display: flex;
    align-items: center;
}

.dropdown-item {
    font-size: 0.84rem;
    font-weight: 400;
    padding: 0.4rem 0.75rem;
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    transition: background-color var(--transition-fast), color var(--transition-fast);
}

.dropdown-item:hover,
.dropdown-item:focus {
    background-color: var(--sky-muted);
    color: var(--primary-color);
}

.dropdown-item.active,
.dropdown-item:active {
    background-color: var(--primary-color);
    color: var(--text-inverse);
}

.dropdown-item i {
    width: 1.25em;
    text-align: center;
    margin-right: 0.3rem;
    font-size: 0.9em;
    color: var(--text-muted);
}

.dropdown-item:hover i,
.dropdown-item.active i {
    color: inherit;
}

.dropdown-divider {
    margin: 0.25rem 0.5rem;
    border-color: var(--border-light);
}


/* --- Page Headings --- */
h4, h5 {
    color: var(--primary-color);
    font-weight: 600;
    letter-spacing: -0.01em;
}

h4 i, h5 i {
    color: var(--primary-muted);
    margin-right: 0.15rem;
}

h6 {
    font-weight: 600;
    font-size: 0.82rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
}


/* --- Cards --- */
.card {
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card);
    background: var(--bg-card);
    transition: box-shadow var(--transition-base);
}

.card-header {
    background: linear-gradient(135deg, var(--nav-color) 0%, var(--nav-dark) 100%);
    color: var(--text-inverse);
    border-bottom: 2px solid var(--accent-color);
    border-radius: var(--radius-lg) var(--radius-lg) 0 0 !important;
    font-weight: 500;
    font-size: 0.9rem;
    padding: 0.65rem 1rem;
}

.card-header h4,
.card-header h5 {
    color: var(--text-inverse);
}

/* Filter card (no heavy header) */
#filterPanel .card {
    border: 1px solid var(--border-light);
    background: var(--bg-inset);
}

#filterPanel .card-body {
    padding: 0.75rem 1rem;
}


/* --- Tables — Glass Cockpit Data Display --- */
.table {
    font-family: var(--font-mono);
    font-size: 0.82rem;
    font-variant-numeric: tabular-nums;
    margin-bottom: 0;
    border-collapse: separate;
    border-spacing: 0;
}

.table thead th {
    font-size: 0.72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-secondary);
    background-color: var(--bg-table-header) !important;
    padding: 0.6rem 0.6rem;
    white-space: nowrap;
    position: sticky;
    top: 0;
    z-index: 1;
    border-bottom: 2px solid var(--primary-color) !important;
    border-top: none !important;
}

.table td {
    padding: 0.45rem 0.6rem;
    vertical-align: middle;
    border-color: var(--border-light);
    transition: background-color var(--transition-fast);
}

.table-hover tbody tr:hover,
.table-hover tbody tr:hover td {
    background-color: var(--sky-muted) !important;
}

.table-striped > tbody > tr:nth-of-type(odd) > td {
    --bs-table-accent-bg: rgba(244, 245, 248, 0.5);
}

/* Table container & responsive */
.table-container {
    min-height: 100px;
}

.table-responsive {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    border-radius: var(--radius-sm);
}

/* Sort indicators */
.table-sort-link {
    color: var(--text-secondary);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    transition: color var(--transition-fast);
}

.table-sort-link:hover {
    color: var(--primary-color);
}

.table-sort-link::after {
    content: '⇅';
    opacity: 0.25;
    font-size: 0.6rem;
}

.table-sort-link.sorted::after {
    opacity: 1;
    color: var(--accent-color);
}

.table-sort-link.sorted.asc::after {
    content: '▲';
}

.table-sort-link.sorted.desc::after {
    content: '▼';
}

/* Data-type styling */
.airport-code {
    font-weight: 600;
    color: var(--primary-color);
    letter-spacing: 0.03em;
}

.flight-time {
    font-weight: 500;
    color: var(--text-primary);
    letter-spacing: 0.02em;
}

/* Tabular data — column type adjustments */
.td-date,
.td-time,
.td-money,
.td-duration,
.td-numeric,
.td-pilot {
    white-space: nowrap;
}

.td-money,
.td-duration,
.td-numeric,
th.th-right {
    text-align: right;
}


/* --- Pagination --- */
.pagination {
    margin-bottom: 0;
    gap: 0.15rem;
}

.pagination .page-link {
    padding: 0.25rem 0.55rem;
    font-size: 0.78rem;
    font-weight: 500;
    color: var(--text-secondary);
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm) !important;
    transition: all var(--transition-fast);
    line-height: 1.4;
}

.pagination .page-link:hover {
    background-color: var(--sky-muted);
    color: var(--primary-color);
    border-color: var(--sky-color);
}

.pagination .page-item.active .page-link {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    color: var(--text-inverse);
    font-weight: 600;
}

.pagination .page-item.disabled .page-link {
    color: var(--text-muted);
    opacity: 0.5;
}

/* Per-page selector */
.per-page-select {
    width: auto;
    display: inline-block;
    font-size: 0.78rem;
    font-weight: 500;
    padding: 0.2rem 1.5rem 0.2rem 0.4rem;
    border-radius: var(--radius-sm);
    border-color: var(--border-color);
}


/* --- Buttons --- */
.btn {
    font-family: var(--font-body);
    font-weight: 500;
    letter-spacing: 0.01em;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

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

.btn-primary:hover {
    background-color: var(--primary-light);
    border-color: var(--primary-light);
    box-shadow: 0 2px 6px rgba(22, 45, 74, 0.2);
}

.btn-primary:active {
    background-color: var(--primary-dark) !important;
    border-color: var(--primary-dark) !important;
}

.btn-outline-primary {
    color: var(--primary-color);
    border-color: var(--primary-color);
}

.btn-outline-primary:hover {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    box-shadow: 0 2px 6px rgba(22, 45, 74, 0.15);
}

.btn-outline-secondary {
    color: var(--text-secondary);
    border-color: var(--border-color);
}

.btn-outline-secondary:hover {
    background-color: var(--bg-inset);
    border-color: var(--text-muted);
    color: var(--text-primary);
}

.btn-secondary {
    background-color: var(--bg-inset);
    border-color: var(--border-color);
    color: var(--text-secondary);
}

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

.btn-sm {
    font-size: 0.82rem;
    padding: 0.3rem 0.65rem;
}

.btn-action {
    padding: 0.18rem 0.4rem;
    font-size: 0.75rem;
    border-radius: var(--radius-sm);
}

.action-buttons {
    display: flex;
    gap: 0.3rem;
    flex-wrap: nowrap;
}

/* --- Export Buttons --- */
.export-buttons {
    justify-content: flex-end;
}

.export-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.15rem 0.45rem;
    font-size: 0.72rem;
    font-weight: 500;
    color: var(--text-secondary);
    text-decoration: none;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.export-btn:hover {
    color: var(--primary-color);
    border-color: var(--primary-muted);
    background: var(--sky-muted);
}

.export-btn i {
    font-size: 0.85rem;
}

/* Buttons inside card-header — ensure contrast on dark background */
.card-header .btn-outline-secondary {
    color: rgba(255, 255, 255, 0.9);
    border-color: rgba(255, 255, 255, 0.4);
}

.card-header .btn-outline-secondary:hover {
    background-color: rgba(255, 255, 255, 0.15);
    color: #fff;
    border-color: rgba(255, 255, 255, 0.6);
}

.card-header .btn-outline-danger {
    color: #ffb3b3;
    border-color: rgba(255, 179, 179, 0.5);
}

.card-header .btn-outline-danger:hover {
    background-color: rgba(255, 179, 179, 0.15);
    color: #ff9999;
    border-color: #ffb3b3;
}

.card-header .btn-success {
    background-color: var(--success-color);
    border-color: var(--success-color);
}


/* --- Forms --- */
.form-label {
    font-weight: 500;
    font-size: 0.82rem;
    color: var(--text-secondary);
    margin-bottom: 0.3rem;
}

.form-control,
.form-select {
    font-family: var(--font-body);
    font-size: 0.88rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-control:focus,
.form-select:focus {
    border-color: var(--border-focus);
    box-shadow: 0 0 0 3px rgba(74, 158, 237, 0.12);
}

.form-control-sm,
.form-select-sm {
    font-size: 0.84rem;
    border-color: var(--border-color);
    border-radius: var(--radius-sm);
}

.input-group-text {
    background-color: var(--bg-inset);
    border-color: var(--border-color);
    color: var(--text-muted);
    font-size: 0.88rem;
}

.form-check-input:checked {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}


/* --- Summary Cards --- */
.summary-card {
    border-left: 3px solid var(--accent-color);
    border-radius: var(--radius-md);
    background: var(--bg-card);
    transition: box-shadow var(--transition-base), transform var(--transition-base);
}

.summary-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-1px);
}

.summary-card .card-body {
    padding: 0.6rem 0.75rem;
}

.summary-card .card-title {
    font-size: 0.68rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 0.2rem;
    color: var(--text-muted);
}

.summary-card .card-text {
    font-family: var(--font-mono);
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--primary-color);
    letter-spacing: -0.01em;
}

@media (min-width: 992px) {
    .col-lg-3 .summary-card .card-text {
        font-size: 1.25rem;
    }
}


/* --- Alerts --- */
.alert {
    font-size: 0.88rem;
    border-radius: var(--radius-md);
    font-weight: 500;
}


/* --- Badges --- */
.badge {
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 0.72rem;
    letter-spacing: 0.03em;
    padding: 0.3em 0.55em;
    border-radius: var(--radius-sm);
}

.badge.bg-success {
    background-color: var(--success-color) !important;
}

.badge.bg-secondary {
    background-color: var(--text-muted) !important;
}

.badge.bg-warning {
    background-color: var(--warning-color) !important;
}


/* --- Links --- */
a {
    color: var(--sky-color);
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--sky-light);
}


/* --- HTMX Loading Indicator --- */
.htmx-indicator {
    display: none;
}

.htmx-request .htmx-indicator,
.htmx-request.htmx-indicator {
    display: block;
}

.progress {
    border-radius: 0;
    background-color: var(--border-light);
}

.progress-bar {
    background: linear-gradient(90deg, var(--accent-color), var(--accent-light), var(--accent-color));
    background-size: 200% 100%;
    animation: shimmer 1.5s ease-in-out infinite;
}

@keyframes shimmer {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}


/* --- Login Page --- */
.login-card .card-header {
    padding: 1rem 1.25rem;
}

/* --- Footer --- */
footer {
    color: var(--text-muted);
    font-size: 0.78rem;
    letter-spacing: 0.01em;
}

footer hr {
    border-color: var(--border-light);
    opacity: 0.6;
}


/* --- Processing Overlay (Batch Operations) --- */
.table-container-wrapper {
    position: relative;
}

.processing-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(2px);
    z-index: 1000;
    display: none;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
}

.processing-overlay.active {
    display: flex;
}

.processing-spinner {
    text-align: center;
    color: var(--accent-color);
}

.processing-spinner .spinner-border {
    width: 2.5rem;
    height: 2.5rem;
    border-width: 0.2rem;
}

.htmx-request .processing-overlay {
    display: flex;
}


/* --- Data-row striping (replaces table-striped for tables with sub-rows) --- */
tr[data-stripe="even"] > td {
    --bs-table-accent-bg: rgba(244, 245, 248, 0.5);
}

/* --- Allocation Sub-Rows --- */
.allocation-subrow {
    background-color: rgba(22, 45, 74, 0.02) !important;
    border-left: 3px solid var(--accent-color);
}

.allocation-subrow > td {
    --bs-table-accent-bg: transparent !important;
    font-size: 0.75rem;
    color: var(--text-secondary);
    padding-top: 0.2rem !important;
    padding-bottom: 0.2rem !important;
}

.allocation-toggle {
    cursor: pointer;
    text-decoration: none !important;
    white-space: nowrap;
    transition: opacity var(--transition-fast);
}

.allocation-toggle:hover {
    opacity: 0.75;
}

.allocation-chevron {
    font-size: 0.6rem;
    transition: transform var(--transition-base);
    display: inline-block;
    margin-right: 0.15rem;
}

.allocation-toggle.expanded .allocation-chevron {
    transform: rotate(90deg);
}


/* --- Inline Edit Pane --- */
.edit-pane-row {
    background-color: var(--bg-inset) !important;
    border-left: 3px solid var(--sky-color);
}

.edit-pane-row > td {
    padding: 0 !important;
}

.edit-pane {
    padding: 0.75rem 1rem;
    animation: editPaneSlideDown 0.2s ease-out;
}

@keyframes editPaneSlideDown {
    from {
        opacity: 0;
        max-height: 0;
        overflow: hidden;
    }
    to {
        opacity: 1;
        max-height: 300px;
        overflow: visible;
    }
}

.edit-pane .form-control,
.edit-pane .form-select {
    font-size: 0.84rem;
    padding: 0.25rem 0.5rem;
}

.edit-pane .form-label {
    font-size: 0.72rem;
    margin-bottom: 0.1rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.edit-pane .invalid-feedback {
    font-size: 0.7rem;
}

.edit-pane .btn-sm {
    font-size: 0.78rem;
}


/* --- Flight Row Highlight (Map Interaction) --- */
tr.flight-highlight > td {
    background-color: var(--accent-muted) !important;
    --bs-table-accent-bg: var(--accent-muted) !important;
}

tr.flight-highlight {
    outline: 2px solid var(--accent-color);
    outline-offset: -2px;
    border-radius: var(--radius-sm);
}


/* --- Utility Refinements --- */

/* Improve collapsed navbar on mobile */
.navbar-toggler {
    border-color: rgba(255, 255, 255, 0.2);
    padding: 0.3rem 0.5rem;
}

.navbar-toggler:focus {
    box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.1);
}

/* Selection color */
::selection {
    background-color: rgba(74, 158, 237, 0.2);
    color: var(--text-primary);
}

/* Scrollbar styling (webkit) */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

::-webkit-scrollbar-track {
    background: var(--bg-body);
}

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}


/* --- Paper Logbook Mode (EASA GA Style) --- */
.paper-logbook-table {
    font-variant-numeric: tabular-nums;
    background-color: #faf8f0;
    border-collapse: collapse;
    border: 2px solid #8b7355;
}

/* Override Bootstrap table striping for paper mode */
.paper-logbook-table > tbody > tr {
    --bs-table-accent-bg: transparent !important;
    --bs-table-striped-bg: transparent !important;
}

/* Data cells: handwriting font, dark-blue ink */
.paper-logbook-table tbody td {
    font-family: var(--font-handwriting);
    font-size: 1.1rem;
    color: var(--ink-color);
    border: 1px solid #c4b99a;
    padding: 0.15rem 0.4rem;
    vertical-align: middle;
    background-color: #faf8f0;
}

/* Header cells: formal print font */
.paper-logbook-table thead th {
    font-family: var(--font-body);
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    background-color: #f0ece0;
    border: 1px solid #8b7355;
    border-bottom: 2px solid #8b7355;
    color: #5a4a3a;
    padding: 0.3rem 0.4rem;
    text-align: center;
    white-space: nowrap;
}

/* Stacked cells (Place: FROM/TO, Time: T/O/Ldg) */
.paper-place-stack,
.paper-time-stack {
    line-height: 1.2;
    text-align: center;
}

.paper-place-stack .paper-from,
.paper-time-stack .paper-takeoff {
    border-bottom: 1px dotted #c4b99a;
    padding-bottom: 1px;
}

.paper-place-stack .paper-to,
.paper-time-stack .paper-landing {
    padding-top: 1px;
}

/* Airport codes in stacked cells */
.paper-place-stack div {
    font-weight: 600;
    letter-spacing: 1px;
}

/* Handwriting font for values in total/carry-over rows */
.paper-ink-value {
    font-family: var(--font-handwriting);
    font-size: 1.1rem;
    color: var(--ink-color);
}

/* Page label (left column with page number) */
.paper-page-label {
    font-family: var(--font-body) !important;
    font-size: 0.75rem !important;
    font-weight: 600;
    text-align: center;
    vertical-align: middle;
    color: #8b7355 !important;
    border-right: 2px solid #8b7355 !important;
    background-color: #f5f0e5 !important;
    padding: 0.3rem !important;
    width: 2rem;
}

.paper-page-col {
    width: 2rem;
    text-align: center;
}

/* Row number column */
.paper-row-num {
    font-family: var(--font-body) !important;
    font-size: 0.65rem !important;
    color: #bbb !important;
    text-align: center;
    width: 1.5rem;
}

/* Duration column */
.paper-duration {
    text-align: right;
    font-weight: 500;
}

/* Landings column */
.paper-landings {
    text-align: right;
}

/* Pilot name */
.paper-pilot-name {
    white-space: nowrap;
}

/* Remarks */
.paper-remarks-cell {
    font-size: 0.95rem;
    max-width: 10rem;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* Skip/phantom rows — big X across the row like a pen strike */
.paper-phantom-row td {
    background-color: #f5f0e5 !important;
}

/* Container for the X overlay — the row-num cell anchors it */
.paper-phantom-row .paper-skip-x {
    position: relative;
}

/* Big X drawn with two diagonal lines via a positioned overlay */
.paper-phantom-row .paper-skip-x::before,
.paper-phantom-row .paper-skip-x::after {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    left: -0.5rem;
    /* Extend across all data columns (approximate full row width) */
    width: calc(100vw - 8rem);
    max-width: 55rem;
    background: linear-gradient(
        to top right,
        transparent calc(50% - 1px),
        #a0522d calc(50% - 1px),
        #a0522d calc(50% + 1px),
        transparent calc(50% + 1px)
    );
    opacity: 0.5;
    pointer-events: none;
    z-index: 1;
}

.paper-phantom-row .paper-skip-x::after {
    background: linear-gradient(
        to bottom right,
        transparent calc(50% - 1px),
        #a0522d calc(50% - 1px),
        #a0522d calc(50% + 1px),
        transparent calc(50% + 1px)
    );
}

/* Carry-over row */
.paper-carry-over td {
    font-family: var(--font-body) !important;
    font-size: 0.72rem !important;
    font-style: italic;
    background-color: #f5f0e5 !important;
    border-bottom: 1px dashed #8b7355;
    color: #8b7355 !important;
    padding-top: 0.2rem !important;
    padding-bottom: 0.2rem !important;
}

/* Page total row */
.paper-page-total td {
    font-family: var(--font-body) !important;
    font-weight: 600;
    font-size: 0.78rem !important;
    background-color: #f0ece0 !important;
    border-top: 2px solid #8b7355;
    color: #5a4a3a !important;
}

/* Cumulative row */
.paper-cumulative td {
    font-family: var(--font-body) !important;
    font-weight: 600;
    font-size: 0.78rem !important;
    background-color: #ebe6d8 !important;
    border-bottom: 3px double #8b7355;
    color: #5a4a3a !important;
}

/* Toggle column (skip/restore) */
.paper-toggle-cell {
    width: 2rem;
    text-align: center;
    border: none !important;
    background-color: transparent !important;
    padding: 0 !important;
}

.paper-toggle-btn {
    color: var(--text-muted);
    opacity: 0.3;
    transition: opacity 0.15s;
    font-size: 0.7rem;
    padding: 0;
    border: none;
    background: none;
    cursor: pointer;
}

.paper-toggle-btn:hover {
    opacity: 1;
    color: #a0522d;
}

.paper-phantom-row .paper-toggle-btn {
    opacity: 0.5;
    color: #a0522d;
}

.paper-phantom-row .paper-toggle-btn:hover {
    opacity: 1;
}

/* Logbook (Bordbuch) cover separator */
.paper-logbook-cover-row td {
    background-color: transparent !important;
    border: none !important;
    padding: 2rem 0 !important;
}

.paper-bordbuch-cover {
    width: 280px;
    height: 180px;
    margin: 0 auto;
    background: linear-gradient(135deg, #1a3a6b 0%, #2a5298 40%, #1a3a6b 100%);
    border: 3px solid #0d2240;
    border-radius: 4px 12px 12px 4px;
    box-shadow:
        -4px 0 0 #0d2240,
        -6px 0 0 #1a3a6b,
        3px 3px 10px rgba(0,0,0,0.3);
    position: relative;
    overflow: hidden;
}

.paper-bordbuch-cover::before {
    content: '';
    position: absolute;
    inset: 0;
    background: repeating-linear-gradient(
        0deg,
        transparent,
        transparent 2px,
        rgba(255,255,255,0.03) 2px,
        rgba(255,255,255,0.03) 4px
    );
}

.paper-bordbuch-spine {
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 12px;
    background: linear-gradient(90deg, #0d2240, #1a3a6b 60%, #2a5298);
    border-right: 1px solid rgba(218, 195, 140, 0.2);
}

.paper-bordbuch-inner {
    position: absolute;
    inset: 14px 14px 14px 22px;
    border: 1px solid rgba(218, 195, 140, 0.4);
    border-radius: 2px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.2rem;
}

.paper-bordbuch-title {
    font-size: 1.4rem;
    font-weight: 700;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: #dac38c;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.3);
}

.paper-bordbuch-subtitle {
    font-size: 0.7rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: rgba(218, 195, 140, 0.65);
}

.paper-bordbuch-number {
    font-size: 1.2rem;
    font-weight: 600;
    color: #dac38c;
    margin-top: 0.4rem;
    letter-spacing: 2px;
}

/* Print styles for paper logbook */
@media print {
    .navbar, footer, .htmx-indicator,
    #filterPanel, #mapPanel,
    .export-buttons, .card-header,
    #summaryBar, .d-flex.justify-content-between.mb-3 {
        display: none !important;
    }

    .paper-toggle-cell {
        display: none !important;
    }

    .card {
        border: none !important;
        box-shadow: none !important;
    }

    .card-body {
        padding: 0 !important;
    }

    .paper-logbook-table {
        border: 2px solid #000;
    }

    .paper-logbook-table thead th {
        border: 1px solid #000;
        border-bottom: 2px solid #000;
        background: #eee !important;
        -webkit-print-color-adjust: exact;
        print-color-adjust: exact;
    }

    .paper-logbook-table tbody td {
        border: 1px solid #999;
        background: #fffef5 !important;
        -webkit-print-color-adjust: exact;
        print-color-adjust: exact;
    }

    .paper-phantom-row td {
        background: #f5f0e5 !important;
        -webkit-print-color-adjust: exact;
        print-color-adjust: exact;
    }

    .paper-phantom-row .paper-skip-x::before,
    .paper-phantom-row .paper-skip-x::after {
        -webkit-print-color-adjust: exact;
        print-color-adjust: exact;
    }

    .paper-page-total td {
        border-top: 2px solid #000;
        background: #f0f0f0 !important;
        -webkit-print-color-adjust: exact;
        print-color-adjust: exact;
    }

    .paper-carry-over td {
        border-bottom: 1px dashed #999;
        background: #f8f8f8 !important;
        -webkit-print-color-adjust: exact;
        print-color-adjust: exact;
    }

    .paper-cumulative {
        page-break-after: always;
    }

    .paper-cumulative td {
        border-bottom: 3px double #000;
        -webkit-print-color-adjust: exact;
        print-color-adjust: exact;
    }

    .paper-page-label {
        border-right: 2px solid #000 !important;
        -webkit-print-color-adjust: exact;
        print-color-adjust: exact;
    }

    .paper-logbook-cover-row {
        page-break-before: always;
    }

    .paper-logbook-cover-row:first-child {
        page-break-before: auto;
    }

    .paper-bordbuch-cover {
        -webkit-print-color-adjust: exact;
        print-color-adjust: exact;
    }
}