/* =========================================================================
   VLYX Belegmanager – zentrales Stylesheet
   Look & Feel angeglichen an den VLYX-Navigator ("Digitale Vorgangsakte",
   Theme "Classic"). Design-Tokens mit Präfix --dva-.
   Bootstrap 5.3 + Bootstrap Icons werden separat (CDN) in head.php geladen.
   ========================================================================= */

:root, .theme-classic {
    --dva-primary: #2563eb;
    --dva-primary-dark: #1d4ed8;
    --dva-primary-light: #dbeafe;
    --dva-primary-rgb: 37, 99, 235;

    --dva-sidebar-bg: #1e293b;
    --dva-sidebar-hover: #334155;
    --dva-sidebar-text: #cbd5e1;
    --dva-sidebar-text-active: #ffffff;
    --dva-sidebar-width: 260px;
    --dva-sidebar-width-collapsed: 64px;
    --dva-sidebar-border: rgba(255, 255, 255, 0.1);
    --dva-sidebar-brand: #ffffff;

    --dva-topbar-height: 56px;
    --dva-topbar-bg: #ffffff;

    --dva-content-bg: #f1f5f9;
    --dva-card-bg: #ffffff;
    --dva-card-radius: 0.5rem;
    --dva-card-shadow: none;
    --dva-border: #e2e8f0;

    --dva-text: #1e293b;
    --dva-text-muted: #64748b;

    --dva-table-header-bg: #f8fafc;
    --dva-table-hover-bg: #f8fafc;

    --dva-input-bg: #ffffff;
    --dva-input-border: #dee2e6;
    --dva-input-text: #1e293b;

    --dva-overlay-bg: rgba(0, 0, 0, 0.5);

    --dva-success: #16a34a;
    --dva-warning: #d97706;
    --dva-danger: #dc2626;
    --dva-info: #0891b2;

    --dva-font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --dva-heading-weight: 600;
    --dva-body-size: 0.9rem;

    --dva-badge-bg: #475569;
    --dva-badge-text: #ffffff;
    --dva-badge-outline-text: #475569;
    --dva-badge-outline-border: #94a3b8;

    --dva-login-bg: linear-gradient(135deg, #1e293b 0%, #334155 100%);
    --dva-login-card-bg: #ffffff;

    /* Belegmanager-spezifische Semantik-Tints (an Navigator angelehnt) */
    --bm-tint-success: #dcfce7;
    --bm-tint-danger:  #fee2e2;
    --bm-tint-warning: #fef3c7;
    --bm-tint-neutral: #f1f5f9;
}

/* ===== Reset / Base ===== */
* { box-sizing: border-box; }

body.app-body {
    font-family: var(--dva-font-family);
    background: var(--dva-content-bg);
    color: var(--dva-text);
    margin: 0;
    font-size: var(--dva-body-size);
    overflow-x: hidden; /* kein horizontales Verschieben der ganzen Seite */
}

a { color: var(--dva-primary); }
a:hover { color: var(--dva-primary-dark); }

/* ===== App-Layout (Shell) ===== */
.app-wrapper {
    display: flex;
    min-height: 100vh;
}

.app-main {
    margin-left: var(--dva-sidebar-width);
    flex: 1;
    display: flex;
    flex-direction: column;
    min-width: 0;
    min-height: 100vh;
    transition: margin-left 0.2s ease;
}

.app-content {
    padding: 1.5rem;
    flex: 1;
    min-width: 0;
}

/* Vollhöhen-Content ohne Padding (z. B. Split-Screen Belegliste).
   Höhe wird über flush-layout (app-main = 100vh, overflow hidden) exakt gefüllt,
   damit die horizontale Tabellen-Scrollleiste immer im sichtbaren Bereich liegt. */
.app-content.content-flush {
    padding: 0;
    display: flex;
    flex-direction: column;
    flex: 1;
    min-height: 0;
    overflow: hidden;
}
/* Nur auf der Split-Screen-Seite: app-main auf Viewport-Höhe fixieren */
body.flush-layout .app-main {
    height: 100vh;
    min-height: 0;
    overflow: hidden;
}

/* ===== Sidebar ===== */
.app-sidebar {
    width: var(--dva-sidebar-width);
    background: var(--dva-sidebar-bg);
    color: var(--dva-sidebar-text);
    position: fixed;
    top: 0;
    bottom: 0;
    left: 0;
    overflow-y: auto;
    z-index: 1040;
    display: flex;
    flex-direction: column;
    transition: transform 0.3s ease, width 0.2s ease;
}

.sidebar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--dva-sidebar-border);
}

.sidebar-brand {
    color: var(--dva-sidebar-brand);
    text-decoration: none;
    font-size: 1.15rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}
.sidebar-brand:hover { color: var(--dva-sidebar-brand); }
.sidebar-brand img { width: 28px; height: 28px; border-radius: 6px; }

.sidebar-close {
    background: none;
    border: none;
    color: var(--dva-sidebar-text);
    font-size: 1.25rem;
    cursor: pointer;
    padding: 0.25rem;
    display: none;
}

.sidebar-nav { flex: 1; padding: 0.75rem 0; }

.sidebar-nav-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.65rem 1.25rem;
    color: var(--dva-sidebar-text);
    text-decoration: none;
    font-size: 0.9rem;
    transition: background-color 0.15s, color 0.15s;
    border-left: 3px solid transparent;
    background: none;
    border-top: none;
    border-right: none;
    border-bottom: none;
    width: 100%;
    text-align: left;
    cursor: pointer;
}
.sidebar-nav-item:hover {
    background: var(--dva-sidebar-hover);
    color: var(--dva-sidebar-text-active);
}
.sidebar-nav-item.active {
    background: var(--dva-sidebar-hover);
    color: var(--dva-sidebar-text-active);
    border-left-color: var(--dva-primary);
    font-weight: 500;
}
.sidebar-nav-item i { font-size: 1.15rem; width: 1.25rem; text-align: center; }

.sidebar-divider {
    border-top: 1px solid var(--dva-sidebar-border);
    margin: 0.5rem 1.25rem;
}

.sidebar-section-label {
    padding: 0.4rem 1.25rem 0.2rem;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--dva-sidebar-text);
    opacity: 0.5;
    user-select: none;
}

.sidebar-footer {
    padding: 0.75rem 1.25rem 1rem;
    border-top: 1px solid var(--dva-sidebar-border);
}
.sidebar-user {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--dva-sidebar-text);
    font-size: 0.85rem;
    margin-bottom: 0.5rem;
}
.sidebar-user i { font-size: 1.4rem; }
.sidebar-user small { color: var(--dva-sidebar-text); opacity: 0.6; }
.sidebar-footer-actions { display: flex; gap: 0.5rem; }
.sidebar-footer-actions a {
    flex: 1;
    text-align: center;
    color: var(--dva-sidebar-text);
    background: rgba(255,255,255,0.06);
    border: 1px solid var(--dva-sidebar-border);
    border-radius: 6px;
    padding: 0.35rem 0.5rem;
    font-size: 0.8rem;
    text-decoration: none;
    transition: background 0.15s, color 0.15s;
}
.sidebar-footer-actions a:hover { background: var(--dva-sidebar-hover); color: #fff; }

/* ===== Topbar ===== */
.app-topbar {
    height: var(--dva-topbar-height);
    background: var(--dva-topbar-bg);
    border-bottom: 1px solid var(--dva-border);
    display: flex;
    align-items: center;
    padding: 0 1.5rem;
    position: sticky;
    top: 0;
    z-index: 1020;
    gap: 0.75rem;
}

.topbar-toggle {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--dva-text);
    cursor: pointer;
    padding: 0.25rem;
    display: none;
}

/* Desktop-Umschalter zum Ein-/Ausklappen der Sidebar (nur >=768px sichtbar) */
.topbar-collapse {
    display: none;
    background: none;
    border: none;
    font-size: 1.35rem;
    color: var(--dva-text-muted);
    cursor: pointer;
    padding: 0.25rem 0.4rem;
    border-radius: 6px;
    line-height: 1;
}
.topbar-collapse:hover { color: var(--dva-primary); background: var(--dva-table-header-bg); }
@media (min-width: 768px) {
    .topbar-collapse { display: inline-flex; align-items: center; }
}

/* ===== Sidebar eingeklappt (Icon-Leiste) – nur Desktop ===== */
@media (min-width: 768px) {
    body.sidebar-collapsed .app-sidebar { width: var(--dva-sidebar-width-collapsed); }
    body.sidebar-collapsed .app-main    { margin-left: var(--dva-sidebar-width-collapsed); }

    body.sidebar-collapsed .sidebar-brand span,
    body.sidebar-collapsed .nav-label,
    body.sidebar-collapsed .sidebar-section-label,
    body.sidebar-collapsed .sidebar-user > div,
    body.sidebar-collapsed .sidebar-footer-actions a span { display: none; }

    body.sidebar-collapsed .sidebar-header { justify-content: center; padding-left: 0; padding-right: 0; }
    body.sidebar-collapsed .sidebar-brand  { justify-content: center; gap: 0; }

    body.sidebar-collapsed .sidebar-nav-item {
        justify-content: center;
        gap: 0;
        padding-left: 0;
        padding-right: 0;
    }
    body.sidebar-collapsed .sidebar-nav-item i { width: auto; }

    body.sidebar-collapsed .sidebar-divider { margin-left: 0.75rem; margin-right: 0.75rem; }

    body.sidebar-collapsed .sidebar-user { justify-content: center; }
    body.sidebar-collapsed .sidebar-footer { padding-left: 0; padding-right: 0; }
    body.sidebar-collapsed .sidebar-footer-actions { flex-direction: column; gap: 0.35rem; align-items: center; }
    body.sidebar-collapsed .sidebar-footer-actions a { flex: none; width: 40px; padding: 0.35rem 0; }
}

.topbar-title {
    font-size: 1.05rem;
    font-weight: 500;
    color: var(--dva-text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    min-width: 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}
.topbar-title i { color: var(--dva-primary); }

.topbar-actions {
    margin-left: auto;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-shrink: 0;
}

/* ===== Sidebar-Overlay (Mobile) ===== */
.sidebar-overlay {
    position: fixed;
    inset: 0;
    background: var(--dva-overlay-bg);
    z-index: 1035;
    display: none;
}
.sidebar-overlay.show { display: block; }

/* ===== Bootstrap-Overrides (an Navigator angeglichen) ===== */
.btn { border-radius: 0.375rem; }
.btn-primary {
    background-color: var(--dva-primary);
    border-color: var(--dva-primary);
}
.btn-primary:hover, .btn-primary:focus, .btn-primary:active {
    background-color: var(--dva-primary-dark) !important;
    border-color: var(--dva-primary-dark) !important;
}
.btn-outline-primary {
    color: var(--dva-primary);
    border-color: var(--dva-primary);
}
.btn-outline-primary:hover {
    background-color: var(--dva-primary);
    border-color: var(--dva-primary);
    color: #fff;
}
a.text-primary, .text-primary { color: var(--dva-primary) !important; }

.card {
    background: var(--dva-card-bg);
    border: 1px solid var(--dva-border);
    border-radius: var(--dva-card-radius);
    box-shadow: var(--dva-card-shadow);
    color: var(--dva-text);
}
.card-header {
    background: var(--dva-table-header-bg);
    border-bottom: 1px solid var(--dva-border);
    font-weight: 600;
}

.content-card {
    background: var(--dva-card-bg);
    border: 1px solid var(--dva-border);
    border-radius: var(--dva-card-radius);
    box-shadow: var(--dva-card-shadow);
    margin-bottom: 1.5rem;
}
.card-header-custom {
    padding: 1rem 1.25rem;
    font-weight: 600;
    border-bottom: 1px solid var(--dva-border);
}
.card-body-custom { padding: 1.25rem; }

/* Tabellen */
.table-container {
    background: var(--dva-card-bg);
    border: 1px solid var(--dva-border);
    border-radius: var(--dva-card-radius);
    overflow: hidden;
}
.table { color: var(--dva-text); margin: 0; }
.table > thead > tr > th {
    background: var(--dva-table-header-bg);
    color: var(--dva-text-muted);
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.025em;
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--dva-border);
    white-space: nowrap;
}
.table > tbody > tr > td {
    padding: 0.75rem 1rem;
    font-size: 0.9rem;
    vertical-align: middle;
    border-bottom: 1px solid var(--dva-border);
}
.table > tbody > tr:hover { background: var(--dva-table-hover-bg); }

/* Formulare */
.form-control, .form-select {
    background: var(--dva-input-bg);
    border-color: var(--dva-input-border);
    color: var(--dva-input-text);
    font-size: 0.9rem;
}
.form-control:focus, .form-select:focus {
    border-color: var(--dva-primary);
    box-shadow: 0 0 0 0.2rem rgba(var(--dva-primary-rgb), 0.2);
}
.form-label { font-weight: 500; font-size: 0.85rem; color: var(--dva-text); margin-bottom: 0.3rem; }

/* Badges */
.badge.bg-secondary { background-color: var(--dva-badge-bg) !important; color: var(--dva-badge-text); }
.badge.bg-outline-secondary {
    background-color: transparent !important;
    color: var(--dva-badge-outline-text);
    border: 1px solid var(--dva-badge-outline-border);
}
.badge-status {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 500;
    padding: 0.3em 0.65em;
    border-radius: 0.375rem;
    line-height: 1.2;
}

.dropdown-menu { font-size: 0.9rem; border-color: var(--dva-border); box-shadow: 0 4px 16px rgba(15,23,42,0.12); }

/* =========================================================================
   Belegmanager-spezifische Komponenten
   ========================================================================= */

/* Quick-Filter-Chips */
.quick-filters {
    background: var(--dva-card-bg);
    border-bottom: 1px solid var(--dva-border);
    padding: 0.6rem 1rem;
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    align-items: center;
}
.quick-filters .btn-qf {
    font-size: 0.8rem;
    padding: 0.25rem 0.8rem;
    border-radius: 16px;
    border: 1px solid var(--dva-border);
    background: #fff;
    color: var(--dva-text);
    cursor: pointer;
    text-decoration: none;
    white-space: nowrap;
    transition: all 0.12s;
}
.quick-filters .btn-qf:hover {
    border-color: var(--dva-primary);
    color: var(--dva-primary);
}
.quick-filters .btn-qf.active {
    background: var(--dva-primary);
    color: #fff;
    border-color: var(--dva-primary);
}
.quick-filters .btn-clear {
    background: transparent;
    border: none;
    color: var(--dva-primary);
    text-decoration: underline;
    font-size: 0.8rem;
    cursor: pointer;
}

/* Suchleiste */
.search-bar {
    background: var(--dva-card-bg);
    border-bottom: 1px solid var(--dva-border);
    padding: 0.6rem 1rem;
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

/* Hinweis: Das Split-Screen-Layout (.split-container/.panel-left/.panel-right)
   bringt index.php als seiteneigenes <style> mit und überschreibt hier bewusst. */

/* Beleg-Tabelle */
.beleg-table { width: 100%; border-collapse: collapse; font-size: 0.85rem; }
.beleg-table thead th {
    position: sticky;
    top: 0;
    z-index: 5;
    background: var(--dva-table-header-bg);
    color: var(--dva-text-muted);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.025em;
    padding: 0.5rem 0.75rem;
    text-align: left;
    border-bottom: 1px solid var(--dva-border);
    white-space: nowrap;
}
.beleg-table tbody td {
    padding: 0.45rem 0.75rem;
    border-bottom: 1px solid var(--dva-border);
    vertical-align: middle;
}
.beleg-table tbody tr { cursor: pointer; }
.beleg-table tbody tr:hover { background: var(--dva-table-hover-bg); }
.beleg-table tbody tr.selected { background: var(--dva-primary-light); }
.beleg-table .num { text-align: right; font-variant-numeric: tabular-nums; }
.betrag-pos { color: var(--dva-success); font-weight: 600; }
.betrag-neg { color: var(--dva-danger); font-weight: 600; }

/* Gruppierungs-Header und Summenzeilen */
.group-header td {
    background: #eef2f7;
    font-weight: 600;
    color: var(--dva-text);
    border-top: 1px solid var(--dva-border);
}
.group-subtotal td, .table-footer td {
    background: var(--dva-table-header-bg);
    font-weight: 600;
    border-top: 2px solid var(--dva-border);
}

/* Spalten-Dropdown-Menü (Sort/Filter/Gruppieren) */
.col-menu {
    position: absolute;
    background: #fff;
    border: 1px solid var(--dva-border);
    border-radius: var(--dva-card-radius);
    box-shadow: 0 8px 24px rgba(15,23,42,0.15);
    min-width: 220px;
    z-index: 3000;
    font-size: 0.85rem;
}
.col-menu button {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    width: 100%;
    border: none;
    background: none;
    padding: 0.45rem 0.9rem;
    text-align: left;
    color: var(--dva-text);
    cursor: pointer;
}
.col-menu button:hover { background: var(--dva-table-hover-bg); }
.col-caret { opacity: 0.4; margin-left: 0.25rem; }
th:hover .col-caret { opacity: 0.9; }

/* Kennzeichen-/Status-Badges */
.kennzeichen-badge {
    display: inline-block;
    font-size: 0.7rem;
    font-weight: 500;
    padding: 0.15em 0.55em;
    border-radius: 10px;
    margin: 0 0.15rem 0.15rem 0;
    line-height: 1.3;
    background: var(--bm-tint-neutral);
    color: var(--dva-text);
    border: 1px solid var(--dva-border);
}

/* Vorschau-Panel */
.preview-header {
    background: var(--dva-table-header-bg);
    padding: 0.6rem 1rem;
    border-bottom: 1px solid var(--dva-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 0.5rem;
}
.pdf-preview { height: 42%; border-bottom: 1px solid var(--dva-border); background: #525659; }
.pdf-preview iframe { width: 100%; height: 100%; border: none; }
.preview-form { flex: 1; overflow: auto; padding: 1rem; }

/* Änderungsverlauf-Diffs */
.history-old { color: var(--dva-danger); text-decoration: line-through; }
.history-new { color: var(--dva-success); }

/* Statusleiste (Summe) am unteren Rand */
.status-bar {
    background: var(--dva-sidebar-bg);
    color: #fff;
    padding: 0.4rem 1rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 0.85rem;
    flex-shrink: 0;
}
.status-bar .sum-value { color: #ffffff; font-weight: 700; font-variant-numeric: tabular-nums; }
.status-bar .sum-highlight { color: #7dd3fc; }

/* Gespeicherte Filter */
.saved-filters {
    background: var(--dva-card-bg);
    border-bottom: 1px solid var(--dva-border);
    padding: 0.4rem 1rem;
    display: flex;
    gap: 0.4rem;
    flex-wrap: wrap;
    align-items: center;
}
.saved-filter-chip {
    font-size: 0.78rem;
    padding: 0.2rem 0.7rem;
    border-radius: 14px;
    border: 1px solid var(--dva-border);
    background: #fff;
    color: var(--dva-text);
    text-decoration: none;
    cursor: pointer;
}
.saved-filter-chip:hover { border-color: var(--dva-primary); color: var(--dva-primary); }

/* =========================================================================
   Login / 2FA
   ========================================================================= */
body.auth-body {
    min-height: 100vh;
    margin: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--dva-login-bg);
    font-family: var(--dva-font-family);
    padding: 1.5rem;
}
.auth-card {
    background: var(--dva-login-card-bg);
    border-radius: 1rem;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
    padding: 2.25rem 2rem;
    width: 100%;
    max-width: 400px;
}
.auth-logo {
    width: 80px;
    height: 80px;
    border-radius: 16px;
    display: block;
    margin: 0 auto 1rem;
}
.auth-card h1 {
    font-size: 1.3rem;
    font-weight: 600;
    text-align: center;
    color: var(--dva-text);
    margin: 0 0 0.25rem;
}
.auth-tagline {
    text-align: center;
    color: var(--dva-text-muted);
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
}
.auth-divider {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--dva-text-muted);
    font-size: 0.8rem;
    margin: 1rem 0;
}
.auth-divider::before, .auth-divider::after {
    content: "";
    flex: 1;
    height: 1px;
    background: var(--dva-border);
}

/* =========================================================================
   Responsive
   ========================================================================= */
@media (max-width: 767.98px) {
    .app-sidebar { transform: translateX(-100%); }
    .app-sidebar.show { transform: translateX(0); }
    .sidebar-close { display: block; }
    .app-main { margin-left: 0; }
    .app-content { padding: 1rem; }
    .topbar-toggle { display: block; }
}