:root {
    --dm-bg: #e7ecf5;
    --dm-surface: #ffffff;
    --dm-border: #ccd6e6;
    --dm-text: #1f2937;
    --dm-muted: #6b7280;
    --dm-accent: #357edd;
    --dm-accent-contrast: #f9fafb;
    --dm-card-shadow: 0 4px 12px rgba(47, 85, 151, 0.08);
    --dm-card-shadow-hover: 0 10px 20px rgba(47, 85, 151, 0.12);

    --bs-border-radius: 0;
    --bs-border-radius-sm: 0;
    --bs-border-radius-lg: 0;
    --bs-border-radius-xl: 0;
    --bs-border-radius-xxl: 0;
    --bs-border-radius-pill: 0;
}

html[data-theme="dark"] {
    --dm-bg: #111827;
    --dm-surface: #1f2937;
    --dm-border: #273449;
    --dm-text: #f3f4f6;
    --dm-muted: #9ca3af;
    --dm-accent: #4f9cdb;
    --dm-accent-contrast: #0f172a;
    --dm-card-shadow: 0 12px 22px rgba(2, 6, 23, 0.35);
    --dm-card-shadow-hover: 0 18px 32px rgba(2, 6, 23, 0.45);
}

body {
    background-color: var(--dm-bg);
    color: var(--dm-text);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    line-height: 1.55;
    -webkit-font-smoothing: antialiased;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}

html, body {
    height: 100%;
    margin: 0;
    padding: 0;
    overflow-x: hidden;
    overscroll-behavior: none; /* verhindert unnötiges Scrollen/Bounce */
}

.card {
    border-radius: 0;
    border: 1px solid var(--dm-border);
    background-color: var(--dm-surface);
    box-shadow: var(--dm-card-shadow);
    transition: box-shadow 0.2s ease, transform 0.2s ease;
}

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

.card-body {
    padding: 12px;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.info-card {
    margin-bottom: 14px;
    font-size: 0.9rem;
    line-height: 1.4;
}

.info-card .card-body {
    padding: 12px;
}

.card-title2 {
    background: var(--dm-accent);
    color: var(--dm-accent-contrast);
    text-align: center;
    padding: 8px 10px;
    font-size: 0.95rem;
    font-weight: 600;
    letter-spacing: 0.01em;
    border-radius: 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.12);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
}

.card-title2 i {
    font-size: 0.95rem;
}

.card-title2.card-title2--with-action {
    justify-content: space-between;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.card-title2.card-title2--with-action .card-title2__label {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
}

.card-title2.card-title2--with-action .card-title2__action {
    margin-left: auto;
    display: inline-flex;
}

.text-center {
    color: var(--dm-accent);
}

h2.text-center {
    font-size: clamp(1.25rem, 2vw, 1.5rem);
    margin-bottom: 0.85rem;
    font-weight: 600;
}

.italic-note {
    font-style: italic;
    color: var(--dm-muted);
    margin-top: 10px;
}

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

.btn-custom,
.btn-custom:hover,
.btn-custom:focus {
    background-color: var(--dm-accent);
    color: var(--dm-accent-contrast);
    border: 1px solid var(--dm-accent);
    border-radius: 0;
    padding: 7px 14px;
    font-size: 12px;
    text-decoration: none;
    text-align: center;
    transition: filter 0.2s ease, transform 0.2s ease;
}

.btn-custom.btn-sm {
    padding: 4px 10px;
    font-size: 11px;
}

.btn-custom:hover {
    filter: brightness(0.92);
    transform: translateY(-1px);
}

.btn,
.form-control,
.form-select,
.input-group-text,
.modal-content,
.dropdown-menu,
.list-group-item,
.badge,
.alert,
.table,
.nav-pills .nav-link,
.nav-tabs .nav-link,
.progress,
.accordion-button {
    border-radius: 0 !important;
    background-color: var(--dm-surface);
    color: var(--dm-text);
    border-color: var(--dm-border);
}

.dropdown-menu,
.modal-content,
.alert,
.table,
.list-group-item {
    background-color: var(--dm-surface);
    color: var(--dm-text);
}

a {
    color: #2563eb;
    text-decoration: none;
    transition: color 0.15s ease;
}

a:hover {
    color: #1d4ed8;
}

.info-card p {
    margin-bottom: 0.65rem;
}

.info-card p:last-child {
    margin-bottom: 0;
}

.info-card .card-text strong {
    font-weight: 600;
}

.info-card .italic-note {
    font-size: 0.78rem;
    color: var(--dm-muted);
}

.info-card .badge {
    border-radius: 0 !important;
}

.tile.widget-tile {
    border-radius: 0;
    border: 1px solid var(--dm-border);
    background-color: var(--dm-surface);
    box-shadow: var(--dm-card-shadow);
    overflow: hidden;
    transition: box-shadow 0.2s ease, transform 0.2s ease;
}

.tile.widget-tile:hover {
    box-shadow: var(--dm-card-shadow-hover);
    transform: translateY(-1px);
}

.tile.widget-tile .tile-header {
    background: var(--dm-accent);
    color: var(--dm-accent-contrast);
    padding: 8px 12px;
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: 0.01em;
    display: flex;
    align-items: center;
    gap: 0.45rem;
}

.tile.widget-tile .tile-header .widget-icon {
    font-size: 1.05rem;
}

.tile.widget-tile .tile-body {
    padding: 14px;
    font-size: 0.9rem;
    color: var(--dm-text);
}

.tile.widget-tile .tile-body p {
    margin-bottom: 0.65rem;
}

.tile.widget-tile .tile-body p:last-child {
    margin-bottom: 0;
}

.tile.widget-tile .italic-note {
    font-size: 0.78rem;
    color: var(--dm-muted);
}

.tile.widget-tile .btn {
    margin-top: 0.5rem;
}

.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.2rem;
}

@media (max-width: 1100px) {
    .dashboard-grid {
        grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    }
}

@media (min-width: 768px) and (max-width: 1024px) {
    .dashboard-grid {
        grid-template-columns: 1fr 1fr 1fr;
        grid-auto-flow: row;
        gap: 0.8rem; /* slightly smaller gap so 3 fit nicely */
    }
}

.dashboard-grid__item > .card,
.dashboard-grid__item > .tile.widget-tile {
    width: 100%;
}

/* Responsive columns */
.responsive-columns > .col {
    flex: 0 0 100%;
    max-width: 100%;
}

@media (min-width: 768px) {
    .responsive-columns > .col {
        flex: 0 0 50%;
        max-width: 50%;
    }
}

@media (min-width: 1200px) {
    .responsive-columns > .col {
        flex: 0 0 33.3333%;
        max-width: 33.3333%;
    }
}