/* Custom Bootstrap-ähnliches CSS für Offline-Nutzung */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    font-size: 1rem;
    line-height: 1.5;
    color: #212529;
    background: linear-gradient(135deg, #e3f2fd 0%, #f3e5f5 100%);
    min-height: 100vh;
    padding-top: 60px;
}

.container {
    width: 100%;
    padding-right: 15px;
    padding-left: 15px;
    margin-right: auto;
    margin-left: auto;
    max-width: 1200px;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 12px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15);
    backdrop-filter: blur(10px);
    padding: 2rem;
    margin-top: 0;
    margin-bottom: 2rem;
}

.row {
    display: flex;
    flex-wrap: wrap;
    margin-right: -15px;
    margin-left: -15px;
}

.col {
    flex: 1 0 0%;
    padding-right: 15px;
    padding-left: 15px;
}

.col-md-6 {
    flex: 0 0 50%;
    padding-right: 15px;
    padding-left: 15px;
}

h1, h2, h3, h4, h5, h6 {
    margin-bottom: 0.5rem;
    font-weight: 500;
    line-height: 1.2;
    color: #343a40;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

h1 { font-size: 2rem; }
h2 { font-size: 1.75rem; }
h3 { font-size: 1.5rem; }

a {
    color: var(--accent);
    text-decoration: none;
}

a:hover {
    color: var(--accent-dark);
    text-decoration: underline;
}

button, input[type="submit"] {
    display: inline-block;
    padding: 0.5rem 1rem;
    margin-bottom: 0;
    font-weight: 500;
    text-align: center;
    white-space: nowrap;
    vertical-align: middle;
    cursor: pointer;
    border: 1px solid #dee2e6;
    border-radius: 8px;
    color: #fff;
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-dark) 100%);
    border-color: var(--accent);
    font-size: 1rem;
    line-height: 1.5;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(0, 123, 255, 0.2);
}

button:hover, input[type="submit"]:hover {
    color: #fff;
    background: linear-gradient(135deg, var(--accent-dark) 0%, var(--accent-dark) 100%);
    border-color: var(--accent-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(0, 123, 255, 0.3);
}

form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 2rem;
}

.queryField {
    height: 300px !important;
}

input[type="text"], 
input[type="number"],
input[type="email"],
textarea,
select {
    display: block;
    width: 100%;
    padding: 8px 12px;
    font-size: 1rem;
    line-height: 1.5;
    color: #495057;
    background-color: #ffffff;
    background-clip: padding-box;
    border: 1px solid #ced4da;
    border-radius: 6px;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

input[type="text"]:focus, 
input[type="number"]:focus,
input[type="email"]:focus,
textarea:focus,
select:focus {
    color: #495057;
    background-color: #ffffff;
    border-color: var(--accent);
    outline: 0;
    box-shadow: 0 0 0 3px rgba(0, 123, 255, 0.1);
}

label {
    display: inline-block;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

table {
    width: 100%;
    margin-bottom: 1rem;
    background-color: transparent;
    border-collapse: collapse;
}

.table {
    width: 100%;
    margin-bottom: 1rem;
    color: #212529;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
}

.table th,
.table td {
    padding: 12px;
    vertical-align: top;
    border-top: 1px solid #dee2e6;
    color: #212529;
}

.table thead th {
    vertical-align: bottom;
    border-bottom: 2px solid #dee2e6;
    background: linear-gradient(135deg, #e9ecef 0%, #dee2e6 100%);
    font-weight: bold;
    color: #212529;
}

.table tbody + tbody {
    border-top: 2px solid #dee2e6;
}

.table-striped tbody tr:nth-of-type(odd) {
    background-color: rgba(0, 0, 0, 0.03);
}

.table-striped tbody tr:nth-of-type(even) {
    background-color: rgba(255, 255, 255, 0.95);
}

table th, table td {
    padding: 0.75rem;
    vertical-align: top;
    border-top: 1px solid #dee2e6;
    border-right: 1px solid #dee2e6;
}

table th {
    background-color: var(--accent);
    color: white;
    font-weight: 600;
}

table tbody tr:nth-of-type(odd) {
    background-color: rgba(0, 0, 0, 0.02);
}

table tbody tr:hover {
    background-color: rgba(0, 0, 0, 0.04);
}

.alert {
    position: relative;
    padding: 0.75rem 1.25rem;
    margin-bottom: 1rem;
    border: 1px solid transparent;
    border-radius: 0.25rem;
}

.alert-danger {
    color: #721c24;
    background-color: #f8d7da;
    border-color: #f5c6cb;
}

.alert-success {
    color: #155724;
    background-color: #d4edda;
    border-color: #c3e6cb;
}

.alert-info {
    color: #0c5460;
    background-color: #d1ecf1;
    border-color: #bee5eb;
}

nav {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
    border-bottom: 1px solid #dee2e6;
    padding-bottom: 1rem;
}

.navbar-brand {
    font-weight: 600;
    font-size: 1.25rem;
}

.navbar-nav {
    display: flex;
    gap: 1.5rem;
    list-style: none;
}

.navbar-nav a {
    color: var(--accent);
    text-decoration: none;
}

.navbar-nav a:hover {
    text-decoration: underline;
}

.btn {
    display: inline-block;
    padding: 0.5rem 1rem;
    margin-right: 0.5rem;
    margin-bottom: 0.5rem;
    font-weight: 400;
    text-align: center;
    white-space: nowrap;
    vertical-align: middle;
    cursor: pointer;
    border: 1px solid transparent;
    border-radius: 0.25rem;
    color: #fff;
    background-color: var(--accent);
    border-color: var(--accent);
    transition: color 0.15s ease-in-out, background-color 0.15s ease-in-out, border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
}

.btn:hover {
    color: #fff;
    background-color: var(--accent-dark);
    border-color: var(--accent-dark);
}

.btn-secondary {
    color: #fff;
    background-color: #6c757d;
    border-color: #6c757d;
}

.btn-secondary:hover {
    color: #fff;
    background-color: #5a6268;
    border-color: #545b62;
}

.btn-danger {
    color: #fff !important;
    background: linear-gradient(135deg, #dc3545 0%, #b91c1b 100%);
    border-color: #dc3545;
}

.btn-danger:hover {
    background: linear-gradient(135deg, #c82333 0%, #991b1b 100%);
    border-color: #bd2130;
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(220, 53, 69, 0.4);
}


.dark-mode .btn-danger {
    background: linear-gradient(135deg, #ef4444 0%, #b91c1c 100%);
    border-color: #ef4444;
}

.dark-mode .btn-danger:hover {
    background: linear-gradient(135deg, #dc2626 0%, #991b1b 100%);
    border-color: #dc2626;
}


.mt-2 { margin-top: 0.5rem; }
.mt-3 { margin-top: 1rem; }
.mt-4 { margin-top: 1.5rem; }
.mt-5 { margin-top: 3rem; }

.mb-2 { margin-bottom: 0.5rem; }
.mb-3 { margin-bottom: 1rem; }
.mb-4 { margin-bottom: 1.5rem; }
.mb-5 { margin-bottom: 3rem; }

.p-2 { padding: 0.5rem; }
.p-3 { padding: 1rem; }
.p-4 { padding: 1.5rem; }

.text-center { text-align: center; }
.text-muted { color: #6c757d; }

hr {
    margin: 1rem 0;
    color: #dee2e6;
    background-color: #dee2e6;
    border: 0;
    opacity: 1;
}

.navbar {
    width: 100%;
    background: linear-gradient(135deg, #2d3748 0%, #1a202c 100%);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
    position: fixed;
    top: 0;
    left: 0;
    z-index: 1000;
    padding: 0;
}

.navbar-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 60px;
}

.navbar-brand {
    color: #ffffff;
    font-size: 1.25rem;
    font-weight: bold;
    text-decoration: none;
    transition: color 0.3s ease;
}

.navbar-brand:hover {
    color: #60a5fa;
}

.navbar-center {
    flex: 1;
    text-align: center;
}

.navbar-link {
    color: #e2e8f0;
    text-decoration: none;
    margin: 0 20px;
    font-weight: 500;
    transition: color 0.3s ease, background-color 0.3s ease;
    padding: 8px 16px;
    border-radius: 6px;
}

.navbar-link:hover {
    color: #ffffff;
    background-color: rgba(255, 255, 255, 0.1);
}

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

.ml-2 {
    margin-left: 0.5rem;
}

/* ===== Farbschema (Design) ===== */
/* Standard: neutrales Slate-Grau, damit gewählte Farbschemen harmonisch wirken */
body { --accent: #475569; --accent-dark: #334155; }
body.theme-gruen   { --accent: #2e9e5b; --accent-dark: #1f7d45; }
body.theme-rot     { --accent: #e23b3b; --accent-dark: #b62c2c; }
body.theme-lila    { --accent: #8b5cf6; --accent-dark: #6d3fd1; }
body.theme-grau    { --accent: #6b7280; --accent-dark: #4b5563; }
body.theme-schwarz { --accent: #374151; --accent-dark: #111827; }

/* Akzentfarbe auf zentrale Elemente anwenden */
.btn-primary { background: var(--accent) !important; border-color: var(--accent-dark) !important; }
.btn-primary:hover { background: var(--accent-dark) !important; border-color: var(--accent-dark) !important; }
.admin-card { background: linear-gradient(135deg, var(--accent) 0%, var(--accent-dark) 100%) !important; }
.navbar { background: linear-gradient(135deg, var(--accent-dark) 0%, #1a202c 100%) !important; }
.navbar-link.active, .navbar-link:hover { background-color: rgba(255, 255, 255, 0.12); }

/* Schlichter Hell/Dunkel-Umschalter (nur Sonne/Mond-Icon) */
.theme-toggle-btn {
    background: none !important;
    border: none !important;
    box-shadow: none !important;
    color: #fff !important;
    font-size: 1.4rem;
    line-height: 1;
    padding: 4px 8px;
    margin-left: 0.5rem;
    cursor: pointer;
    transform: none !important;
}
.theme-toggle-btn:hover { opacity: 0.8; }

/* Farbkreise im Design-Tab */
.theme-swatches { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 6px; }
.theme-swatch {
    width: 44px; height: 44px; border-radius: 50%;
    border: 3px solid transparent; cursor: pointer; padding: 0;
    box-shadow: 0 1px 4px rgba(0,0,0,0.25);
    transition: transform 0.15s ease, border-color 0.15s ease;
}
.theme-swatch:hover { transform: scale(1.1); }
.theme-swatch.selected { border-color: #111; outline: 2px solid #fff; }
body.dark-mode .theme-swatch.selected { border-color: #fff; }

/* Schriftart-Auswahl für die Unterschrift */
.sig-font-options { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 6px; }
.sig-font-card {
    display: flex; flex-direction: column; align-items: center; gap: 6px;
    border: 2px solid #d8dce1; border-radius: 8px; padding: 12px 16px;
    cursor: pointer; background: #fff; min-width: 150px;
}
.sig-font-card input[type="radio"] { margin: 0; }
.sig-font-card.selected { border-color: var(--accent); box-shadow: 0 0 0 2px rgba(0,0,0,0.05); }
.sig-preview { font-size: 1.4rem; min-height: 1.6em; text-align: center; color: #212529; }
.sig-font-label { font-size: 0.85rem; color: #666; }
.sig-font-helv       { font-family: Helvetica, Arial, sans-serif; font-style: italic; }
.sig-font-times      { font-family: "Times New Roman", Times, serif; font-style: italic; }
.sig-font-times-bold { font-family: "Times New Roman", Times, serif; font-style: italic; font-weight: bold; }
.sig-font-courier    { font-family: "Courier New", monospace; font-style: italic; }

/* Tabs in den Einstellungen */
.settings-tab { display: none; }
.settings-tab.active { display: block; }
.sidenav-link { display: block; width: 100%; text-align: left; background: none; border: none; cursor: pointer; }

/* Mobile-Navigation (Hamburger links, Dark-Mode rechts) */
.navbar-toggle {
    display: none;
    background: none;
    border: none;
    color: #ffffff;
    font-size: 1.6rem;
    line-height: 1;
    cursor: pointer;
    padding: 4px 10px;
}
.navbar-mobile-panel { display: none; }

@media (max-width: 768px) {
    .navbar-toggle { display: block; order: -1; }
    .navbar-brand {
        font-size: 1rem;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
        max-width: 55vw;
    }
    .navbar-center { display: none; }
    .navbar-right .navbar-link { display: none; }  /* Links wandern in den Hamburger */

    .navbar-mobile-panel {
        position: absolute;
        top: 60px;
        left: 0;
        right: 0;
        background: linear-gradient(135deg, #2d3748 0%, #1a202c 100%);
        box-shadow: 0 6px 12px rgba(0, 0, 0, 0.35);
        flex-direction: column;
        padding: 6px 0;
        z-index: 1000;
    }
    .navbar-mobile-panel.open { display: flex; }
    .navbar-mobile-panel .navbar-link {
        display: block;
        margin: 0;
        padding: 14px 20px;
        border-radius: 0;
        color: #e2e8f0;
    }
    .navbar-mobile-panel .navbar-link:hover { background-color: rgba(255, 255, 255, 0.1); }
}

/* Adjust container margin for fixed navbar */
.container {
    margin-top: 2rem;
}

/* ===================== Dark Mode =====================
   Flächen-Hierarchie (je höher die Ebene, desto heller):
   App-Hintergrund #2b2b2b  <  Container/Karten #383838  <  Tabellenzeilen #424242  <  Hover #4d4d4d
   Akzent (Buttons/Tabellenkopf) folgt dem gewählten Farbschema (var(--accent)).
*/
.dark-mode,
.dark-mode body {
    background: #2b2b2b;
    color: #e6e6e6;
    min-height: 100vh;
}

.dark-mode .container {
    background: #383838;
    border: 1px solid #3a3a3a;
    border-radius: 12px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
    backdrop-filter: none;
    padding: 2rem;
    margin-top: 2rem;
    margin-bottom: 2rem;
}

.dark-mode h1, .dark-mode h2, .dark-mode h3, .dark-mode h4, .dark-mode h5, .dark-mode h6 {
    color: #f5f5f5;
    text-shadow: none;
}

.dark-mode a { color: #e6e6e6; transition: color 0.2s ease; }
.dark-mode a:hover { color: #ffffff; text-decoration: none; }

.dark-mode .card {
    background: #383838;
    border: 1px solid #3a3a3a;
    color: #e6e6e6;
}
.dark-mode .card-header, .dark-mode .card-body { background: transparent; color: #e6e6e6; }

/* ---- Tabellen ---- */
.dark-mode .table { background: #383838; color: #e6e6e6; border-radius: 8px; overflow: hidden; }

/* Kopfzeile folgt dem Farbschema */
.dark-mode .table th,
.dark-mode .table-dark th {
    background: var(--accent) !important;
    color: #ffffff;
    border-color: #333333;
    padding: 12px;
    font-weight: 600;
}

.dark-mode .table td {
    background: #383838;
    color: #e6e6e6;
    border-color: #333333;
    padding: 12px;
}

.dark-mode .table-striped tbody tr:nth-of-type(odd) td  { background: #424242; }
.dark-mode .table-striped tbody tr:nth-of-type(even) td { background: #383838; }
.dark-mode .table tbody tr:hover td { background: #4d4d4d; }

/* ---- Buttons (Primär folgt dem Farbschema) ---- */
.dark-mode .btn { border-radius: 8px; font-weight: 500; transition: all 0.2s ease; }
.dark-mode .btn-primary {
    background: var(--accent);
    border-color: var(--accent);
    color: #ffffff;
}
.dark-mode .btn-primary:hover {
    background: var(--accent-dark);
    border-color: var(--accent-dark);
}
.dark-mode .btn-secondary {
    background: #565b60;
    border-color: #565b60;
    color: #f0f0f0;
}
.dark-mode .btn-secondary:hover {
    background: #656b71;
    border-color: #656b71;
}
.dark-mode .btn-success { background: #2e9e5b; border-color: #2e9e5b; color: #fff; }
.dark-mode .btn-success:hover { background: #1f7d45; border-color: #1f7d45; }

/* ---- Formularfelder ---- */
.dark-mode input[type="text"], .dark-mode input[type="number"], .dark-mode input[type="email"],
.dark-mode input[type="password"], .dark-mode select, .dark-mode textarea {
    background: #424242;
    color: #e6e6e6;
    border: 1px solid #3a3a3a;
    border-radius: 6px;
    padding: 8px 12px;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.dark-mode input:focus, .dark-mode select:focus, .dark-mode textarea:focus {
    background: #424242;
    color: #e6e6e6;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.08);
    outline: none;
}
.dark-mode label { color: #e6e6e6; }

.dark-mode .text-muted { color: #9aa0a6 !important; }
.dark-mode hr { border-color: #333333; margin: 2rem 0; }

/* ---- Hinweis-Boxen: dunkel, aber semantisch erkennbar ---- */
.dark-mode .alert { border-radius: 8px; border-width: 1px; border-style: solid; }
.dark-mode .alert-danger  { background: rgba(220, 53, 69, 0.16);  color: #f3b6bb; border-color: #7f1d1d; }
.dark-mode .alert-success { background: rgba(40, 167, 69, 0.16);  color: #a8e0b6; border-color: #1e5631; }
.dark-mode .alert-info    { background: rgba(255, 255, 255, 0.06); color: #d2d6da; border-color: #3a3a3a; }
.dark-mode .alert-warning { background: rgba(255, 193, 7, 0.14);  color: #efd28a; border-color: #7a5b00; }

/* ---- Einstellungen / spezielle Flächen ---- */
.dark-mode .settings-sidenav { background: #313131; border: 1px solid #3a3a3a; }
.dark-mode .sidenav-link { color: #d0d0d0; }
.dark-mode .sidenav-link.active { background: #3a3a3a; color: #fff; }
.dark-mode .kr-filterbar { background: #424242; }
.dark-mode .sig-font-card { background: #424242; border-color: #3a3a3a; }
.dark-mode .sig-preview { color: #f0f0f0; }
.dark-mode .sig-font-label { color: #9aa0a6; }
.dark-mode .settings-help { color: #9aa0a6; }

/* Bootstrap Tab Styles */
.nav-tabs {
    border-bottom: 1px solid #dee2e6;
    margin-bottom: 1rem;
}

.nav-tabs .nav-item {
    margin-bottom: -1px;
}

.nav-tabs .nav-link {
    border: 1px solid transparent;
    border-top-left-radius: 0.375rem;
    border-top-right-radius: 0.375rem;
    background: none;
    color: #6c757d;
    padding: 0.5rem 1rem;
    text-decoration: none;
    transition: color 0.15s ease-in-out, background-color 0.15s ease-in-out, border-color 0.15s ease-in-out;
}

.nav-tabs .nav-link:hover {
    border-color: #e9ecef #e9ecef #dee2e6;
    isolation: isolate;
}

.nav-tabs .nav-link.active,
.nav-tabs .nav-item.show .nav-link {
    color: #495057;
    background-color: #fff;
    border-color: #dee2e6 #dee2e6 #fff;
}

/* Card Header Styles */
.card-header {
    font-size: 1.25rem;
    font-weight: bold;
    margin-bottom: 0.75rem;
}

/* Tab Content */
.tab-content > .tab-pane {
    display: none;
}

.tab-content > .active {
    display: block;
}

.fade {
    transition: opacity 0.15s linear;
}

.fade:not(.show) {
    opacity: 0;
}

.dark-mode .nav-tabs {
    border-bottom-color: #333333;
}

.dark-mode .nav-tabs .nav-link {
    color: #bdbdbd;
    background: #424242;
    border-color: #333333;
}

.dark-mode .nav-tabs .nav-link:hover {
    border-color: #4a4a4a #4a4a4a #333333;
    background: #4d4d4d;
}

.dark-mode .nav-tabs .nav-link.active {
    color: #ffffff;
    background-color: #383838;
    border-color: #333333 #333333 #383838;
}

/* Dropdown + Accordion (ohne Bootstrap) */

.dropdown {
  position: relative;
  display: inline-block;
}

.dropdown-toggle {
  display: inline-block;
  padding: 0.5rem 1rem;
  font-weight: 500;
  cursor: pointer;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-dark) 100%);
  border: 1px solid var(--accent);
  color: #fff;
  box-shadow: 0 2px 8px rgba(0, 123, 255, 0.2);
}

.dropdown-toggle:hover {
  background: linear-gradient(135deg, var(--accent-dark) 0%, var(--accent-dark) 100%);
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  z-index: 100;
  min-width: 300px;
  background: rgba(40, 40, 40, 0.95);
  border: 1px solid #475569;
  border-radius: 12px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.3);
  padding: 1rem;
  display: none;
  color: #e0e0e0;
}

.dropdown-menu .form-check-input {
  background-color: #e0e0e0;
  border-color: #cbd5e1;
}

.dropdown-menu .form-check-input:checked {
  background-color: #3b82f6;
  border-color: #3b82f6;
}

.dropdown-menu .form-check-label {
  color: #e0e0e0;
  font-weight: 500;
}

.dropdown-menu .btn {
  background: rgba(59, 130, 246, 0.1);
  border-color: #3b82f6;
  color: #3b82f6;
}

.dropdown-menu .btn:hover {
  background: #3b82f6;
  color: #ffffff;
}

.dropdown-menu .btn-outline-secondary {
  background: rgba(107, 114, 128, 0.1);
  border-color: #6b7280;
  color: #6b7280;
}

.dropdown-menu .btn-outline-secondary:hover {
  background: #6b7280;
  color: #ffffff;
}

.dropdown.show .dropdown-menu {
  display: block;
}

.accordion-item {
  margin-bottom: 0.5rem;
}

.accordion-header {
  background: #f8f9fa;
  padding: 0.5rem 0.75rem;
  border-radius: 8px;
  cursor: pointer;
  border: 1px solid #dee2e6;
  font-weight: 600;
  color: #343a40;
}

.accordion-body {
  padding: 0.75rem;
  border: 1px solid #dee2e6;
  border-top: none;
  border-radius: 0 0 8px 8px;
}

.accordion-collapse {
  display: none;
}

.accordion-collapse.show {
  display: block;
}

.form-check {
  margin-bottom: 0.5rem;
}

.form-check input {
  margin-right: 0.5rem;
}

label.form-check-label {
  color: black;
}

.modeBtn {
    margin-bottom: unset !important;
}

.navbar-brand {
    margin: unset !important;
}