/*
 * Rechnungstool – leichte, ruhige Anpassungen an Bootstrap 5.3 (Entwicklerhandbuch Kap. 11)
 */
:root {
    --app-primary: #1f2a6b;
    --app-primary-hover: #182155;
    --bs-primary: #1f2a6b;
    --bs-primary-rgb: 31, 42, 107;
    --bs-link-color: #1f2a6b;
    --bs-link-color-rgb: 31, 42, 107;
    --bs-link-hover-color: #182155;
    --bs-link-hover-color-rgb: 24, 33, 85;
    --bs-body-bg: #f8f9fa;
    --bs-body-font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

body {
    background-color: #f8f9fa;
}

.btn-primary {
    --bs-btn-bg: var(--app-primary);
    --bs-btn-border-color: var(--app-primary);
    --bs-btn-hover-bg: var(--app-primary-hover);
    --bs-btn-hover-border-color: var(--app-primary-hover);
    --bs-btn-active-bg: var(--app-primary-hover);
    --bs-btn-active-border-color: var(--app-primary-hover);
    --bs-btn-disabled-bg: var(--app-primary);
    --bs-btn-disabled-border-color: var(--app-primary);
}

.btn-outline-primary {
    --bs-btn-color: var(--app-primary);
    --bs-btn-border-color: var(--app-primary);
    --bs-btn-hover-bg: var(--app-primary);
    --bs-btn-hover-border-color: var(--app-primary);
    --bs-btn-active-bg: var(--app-primary);
    --bs-btn-active-border-color: var(--app-primary);
}

.form-control:focus,
.form-select:focus {
    border-color: #8f95b5;
    box-shadow: 0 0 0 .2rem rgba(31, 42, 107, .15);
}

/* Navigation */
.app-navbar {
    background-color: #fff;
    border-bottom: 1px solid var(--bs-border-color);
}

.app-navbar .navbar-brand {
    color: var(--app-primary);
    font-weight: 600;
}

.app-navbar .nav-link {
    color: #495057;
}

.app-navbar .nav-link:hover,
.app-navbar .nav-link.active {
    color: var(--app-primary);
}

.app-navbar .nav-link.active {
    font-weight: 600;
}

/* Karten: weiß, dünner Rand, ohne Schatten */
.card {
    border: 1px solid var(--bs-border-color);
    box-shadow: none;
}

.table > :not(caption) > * > * {
    padding: .65rem .75rem;
}

.table thead th {
    font-weight: 600;
    font-size: .875rem;
    color: #6c757d;
    white-space: nowrap;
}

/* Gast-Seiten (Login) */
.guest-box {
    max-width: 24rem;
}

.guest-brand {
    color: var(--app-primary);
    font-size: 1.35rem;
    font-weight: 600;
    text-decoration: none;
}

.error-card {
    max-width: 32rem;
}

/* Formulare */
.form-card {
    max-width: 40rem;
}

.form-label .text-danger {
    font-weight: 600;
}

/* Firmen-Badge (Farbe per JS aus data-badge-color) */
.company-badge {
    background-color: #6c757d;
    color: #fff;
    font-weight: 500;
}

.company-tabs .nav-link {
    color: #495057;
}

.company-tabs .nav-link.active {
    color: var(--app-primary);
    font-weight: 600;
}

.logo-preview {
    display: inline-block;
    padding: .75rem 1rem;
    background: #fff;
    border: 1px solid var(--bs-border-color);
    border-radius: var(--bs-border-radius);
}

.logo-preview img {
    max-height: 4rem;
    max-width: 100%;
}

.secret-hidden {
    display: none;
}

.settings-nav .nav-link {
    color: #495057;
}

.settings-nav .nav-link.active {
    background-color: var(--app-primary);
    color: #fff;
}

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

.form-check-input:focus {
    border-color: #8f95b5;
    box-shadow: 0 0 0 .2rem rgba(31, 42, 107, .15);
}

/* Adressblock-Vorschau (wie auf der Rechnung) */
.address-preview-box {
    font-size: .875rem;
}

.address-preview {
    background: #fff;
    border: 1px dashed var(--bs-border-color);
    border-radius: var(--bs-border-radius);
    padding: .75rem 1rem;
    min-height: 6.5rem;
    color: #343a40;
    line-height: 1.35;
}

.collapse-chevron {
    display: inline-block;
    transition: transform .15s ease;
}

[aria-expanded="true"] > .collapse-chevron {
    transform: rotate(90deg);
}

@media (min-width: 992px) {
    .sticky-offset {
        top: 1rem;
    }
}