/* ==========================================================================
   SalewskiBuch - Main Stylesheet
   Professional Accounting Application
   ========================================================================== */

/* ---------- CSS Custom Properties ---------- */
:root {
    --primary: #4582B4;
    --primary-dark: #3a6f9a;
    --primary-light: #e8f1f8;
    --secondary: #1a2a3e;
    --secondary-light: #324A6D;
    --success: #059669;
    --success-light: #d1fae5;
    --danger: #dc2626;
    --danger-light: #fee2e2;
    --warning: #d97706;
    --warning-light: #fef3c7;
    --bg-body: #f3f4f6;
    --bg-white: #ffffff;
    --text-primary: #111827;
    --text-secondary: #4b5563;
    --text-muted: #9ca3af;
    --border-color: #e5e7eb;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow: 0 1px 3px rgba(0, 0, 0, 0.1), 0 1px 2px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07), 0 2px 4px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1), 0 4px 6px rgba(0, 0, 0, 0.05);
    --radius: 0.5rem;
    --radius-sm: 0.375rem;
    --radius-lg: 0.75rem;
    --transition: 150ms ease-in-out;
}

/* ---------- Base ---------- */
body {
    font-family: 'Roboto', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background-color: var(--bg-body);
    color: var(--text-primary);
    font-size: 0.9375rem;
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

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

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

main {
    flex: 1;
    padding-bottom: 2rem;
}

/* ---------- Navbar ---------- */
.navbar-salewski {
    background-color: #1a2a3e;
    box-shadow: var(--shadow-md);
    padding: 0.5rem 1rem;
}

.navbar-salewski .navbar-brand {
    color: #ffffff;
    font-weight: 700;
    font-size: 1.25rem;
    letter-spacing: -0.025em;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.navbar-salewski .navbar-brand:hover {
    color: #e2e8f0;
}

.navbar-salewski .navbar-brand .brand-icon {
    width: 32px;
    height: 32px;
    background-color: var(--primary);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.875rem;
}

.navbar-salewski .nav-link {
    color: #cbd5e1;
    font-size: 0.875rem;
    font-weight: 500;
    padding: 0.5rem 0.75rem;
    border-radius: var(--radius-sm);
    transition: all var(--transition);
}

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

.navbar-salewski .nav-link.active {
    background-color: rgba(69, 130, 180, 0.3);
}

.navbar-salewski .dropdown-menu {
    background-color: #1a2a3e;
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: var(--shadow-lg);
}

.navbar-salewski .dropdown-item {
    color: #cbd5e1;
    font-size: 0.875rem;
}

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

.navbar-salewski .navbar-toggler {
    border-color: rgba(255, 255, 255, 0.2);
}

.navbar-salewski .navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%28255,255,255,0.7%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

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

.card:hover {
    box-shadow: var(--shadow);
}

.card-header {
    background-color: #f9fafb;
    border-bottom: 1px solid var(--border-color);
    font-weight: 600;
    padding: 0.875rem 1.25rem;
}

.card-body {
    padding: 1.25rem;
}

.card-footer {
    background-color: #f9fafb;
    border-top: 1px solid var(--border-color);
    padding: 0.875rem 1.25rem;
}

/* ---------- Dashboard Stat Cards ---------- */
.stat-card {
    border-left: 4px solid var(--primary);
    border-radius: var(--radius);
    background: var(--bg-white);
    box-shadow: var(--shadow);
    padding: 1.25rem;
    transition: transform var(--transition), box-shadow var(--transition);
}

.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.stat-card.stat-success {
    border-left-color: var(--success);
}

.stat-card.stat-warning {
    border-left-color: var(--warning);
}

.stat-card.stat-danger {
    border-left-color: var(--danger);
}

.stat-card.stat-primary {
    border-left-color: var(--primary);
}

.stat-card.stat-secondary {
    border-left-color: var(--secondary);
}

.stat-card .stat-label {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    margin-bottom: 0.25rem;
}

.stat-card .stat-value {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.2;
}

.stat-card .stat-detail {
    font-size: 0.8125rem;
    color: var(--text-secondary);
    margin-top: 0.25rem;
}

/* ---------- Status Badges ---------- */
.badge-entwurf {
    background-color: #9ca3af;
    color: #ffffff;
}

.badge-offen {
    background-color: var(--primary);
    color: #ffffff;
}

.badge-bezahlt {
    background-color: var(--success);
    color: #ffffff;
}

.badge-storniert {
    background-color: var(--danger);
    color: #ffffff;
}

.badge-mahnung1 {
    background-color: #f59e0b;
    color: #ffffff;
}

.badge-mahnung2 {
    background-color: #ea580c;
    color: #ffffff;
}

.badge-ueberfaellig {
    background-color: #991b1b;
    color: #ffffff;
}

.badge {
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.3em 0.65em;
    border-radius: var(--radius-sm);
    letter-spacing: 0.02em;
}

/* ---------- Tables ---------- */
.table-salewski {
    font-size: 0.875rem;
    margin-bottom: 0;
}

.table-salewski thead th {
    background-color: #f9fafb;
    border-bottom: 2px solid var(--border-color);
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 0.8125rem;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    padding: 0.75rem;
    white-space: nowrap;
}

.table-salewski tbody td {
    padding: 0.625rem 0.75rem;
    vertical-align: middle;
    border-bottom: 1px solid var(--border-color);
}

.table-salewski tbody tr:hover {
    background-color: #e8f1f8;
}

.table-salewski tbody tr:nth-child(even) {
    background-color: #fafbfc;
}

.table-salewski tbody tr:nth-child(even):hover {
    background-color: #e8f1f8;
}

.table-salewski .actions-cell {
    white-space: nowrap;
    text-align: right;
}

.table-salewski .actions-cell .btn {
    padding: 0.25rem 0.5rem;
    font-size: 0.75rem;
}

/* ---------- Currency / Numbers ---------- */
.currency {
    text-align: right;
    font-variant-numeric: tabular-nums;
    font-family: 'Roboto Mono', 'Courier New', monospace;
    white-space: nowrap;
}

.currency-positive {
    color: var(--success);
}

.currency-negative {
    color: var(--danger);
}

/* ---------- Forms ---------- */
.form-label {
    font-weight: 500;
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: 0.375rem;
}

.form-control,
.form-select {
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    padding: 0.5rem 0.75rem;
    transition: border-color var(--transition), box-shadow var(--transition);
}

.form-control:focus,
.form-select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(69, 130, 180, 0.15);
}

.form-control.is-invalid {
    border-color: var(--danger);
}

.form-control.is-invalid:focus {
    box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.15);
}

.invalid-feedback {
    font-size: 0.8125rem;
}

.input-group-text {
    background-color: #f9fafb;
    border: 1px solid var(--border-color);
    font-size: 0.875rem;
    color: var(--text-secondary);
}

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

.btn-primary:hover,
.btn-primary:focus {
    background-color: var(--primary-dark);
    border-color: var(--primary-dark);
}

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

.btn-secondary:hover,
.btn-secondary:focus {
    background-color: #0f1a2e;
    border-color: #0f1a2e;
}

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

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

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

.btn-outline-primary:hover {
    background-color: var(--primary);
    border-color: var(--primary);
    color: #ffffff;
}

.btn {
    font-size: 0.875rem;
    font-weight: 500;
    border-radius: var(--radius-sm);
    padding: 0.5rem 1rem;
    transition: all var(--transition);
}

.btn-sm {
    padding: 0.3rem 0.625rem;
    font-size: 0.8125rem;
}

.btn-lg {
    padding: 0.625rem 1.5rem;
    font-size: 1rem;
}

/* Quick Action Buttons */
.quick-actions {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    margin-bottom: 1rem;
}

.quick-actions .btn {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
}

/* ---------- File Upload Drag & Drop ---------- */
.upload-area {
    border: 2px dashed var(--border-color);
    border-radius: var(--radius);
    padding: 2.5rem 1.5rem;
    text-align: center;
    cursor: pointer;
    transition: all var(--transition);
    background-color: #fafbfc;
}

.upload-area:hover,
.upload-area.drag-over {
    border-color: var(--primary);
    background-color: var(--primary-light);
}

.upload-area .upload-icon {
    font-size: 2.5rem;
    color: var(--text-muted);
    margin-bottom: 0.75rem;
}

.upload-area .upload-text {
    font-size: 0.9375rem;
    color: var(--text-secondary);
    margin-bottom: 0.25rem;
}

.upload-area .upload-hint {
    font-size: 0.8125rem;
    color: var(--text-muted);
}

.upload-area .upload-preview {
    margin-top: 1rem;
    font-size: 0.875rem;
    color: var(--primary);
    font-weight: 500;
}

/* ---------- Flash Messages ---------- */
.flash-container {
    position: fixed;
    top: 4.5rem;
    right: 1rem;
    z-index: 1060;
    max-width: 420px;
    width: 100%;
}

.flash-message {
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    border: none;
    font-size: 0.875rem;
    animation: flash-slide-in 0.3s ease-out;
}

.flash-message .btn-close {
    font-size: 0.7rem;
}

@keyframes flash-slide-in {
    from {
        opacity: 0;
        transform: translateX(1rem);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes flash-fade-out {
    from {
        opacity: 1;
    }
    to {
        opacity: 0;
        transform: translateY(-0.5rem);
    }
}

.flash-message.fade-out {
    animation: flash-fade-out 0.3s ease-in forwards;
}

/* ---------- Pagination ---------- */
.pagination .page-link {
    color: var(--primary);
    border-color: var(--border-color);
    font-size: 0.875rem;
    padding: 0.4rem 0.75rem;
    transition: all var(--transition);
}

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

.pagination .page-item.active .page-link {
    background-color: var(--primary);
    border-color: var(--primary);
    color: #ffffff;
}

.pagination .page-item.disabled .page-link {
    color: var(--text-muted);
    background-color: #f9fafb;
}

/* ---------- Page Header ---------- */
.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.page-header h1,
.page-header h2 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0;
}

.page-header .breadcrumb {
    font-size: 0.8125rem;
    margin-bottom: 0;
}

.page-header .breadcrumb-item a {
    color: var(--text-muted);
}

.page-header .breadcrumb-item.active {
    color: var(--text-secondary);
}

/* ---------- Filter Bar ---------- */
.filter-bar {
    background: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 1rem 1.25rem;
    margin-bottom: 1rem;
    box-shadow: var(--shadow-sm);
}

.filter-bar .form-control,
.filter-bar .form-select {
    font-size: 0.8125rem;
}

/* ---------- Footer ---------- */
.footer-salewski {
    background-color: #1a2a3e;
    color: #94a3b8;
    padding: 1rem 0;
    font-size: 0.8125rem;
    margin-top: auto;
}

.footer-salewski a {
    color: #cbd5e1;
}

.footer-salewski a:hover {
    color: #ffffff;
}

/* ---------- Sidebar (optional layout) ---------- */
.sidebar {
    width: 250px;
    min-height: calc(100vh - 56px);
    background-color: var(--bg-white);
    border-right: 1px solid var(--border-color);
    padding: 1rem 0;
    position: fixed;
    top: 56px;
    left: 0;
    overflow-y: auto;
    z-index: 1020;
}

.sidebar .nav-link {
    color: var(--text-secondary);
    font-size: 0.875rem;
    padding: 0.5rem 1.25rem;
    border-radius: 0;
    display: flex;
    align-items: center;
    gap: 0.625rem;
    transition: all var(--transition);
}

.sidebar .nav-link:hover {
    background-color: var(--primary-light);
    color: var(--primary);
}

.sidebar .nav-link.active {
    background-color: var(--primary-light);
    color: var(--primary);
    font-weight: 600;
    border-right: 3px solid var(--primary);
}

.sidebar .nav-heading {
    font-size: 0.6875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-muted);
    padding: 1rem 1.25rem 0.375rem;
}

.content-with-sidebar {
    margin-left: 250px;
    padding: 1.5rem;
}

/* ---------- Invoice / Document Specific ---------- */
.invoice-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 2rem;
    margin-bottom: 2rem;
}

.positions-table .form-control {
    min-width: 80px;
}

.positions-table .col-bezeichnung {
    min-width: 200px;
}

.position-total {
    font-weight: 600;
}

.totals-section {
    max-width: 350px;
    margin-left: auto;
}

.totals-section .total-row {
    display: flex;
    justify-content: space-between;
    padding: 0.375rem 0;
    font-size: 0.9375rem;
}

.totals-section .total-row.total-final {
    font-size: 1.125rem;
    font-weight: 700;
    border-top: 2px solid var(--text-primary);
    padding-top: 0.625rem;
    margin-top: 0.25rem;
}

/* ---------- Empty State ---------- */
.empty-state {
    text-align: center;
    padding: 3rem 1.5rem;
    color: var(--text-muted);
}

.empty-state .empty-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.empty-state .empty-text {
    font-size: 1rem;
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
}

.empty-state .empty-hint {
    font-size: 0.875rem;
}

/* ---------- Responsive ---------- */
@media (max-width: 991.98px) {
    .sidebar {
        display: none;
    }

    .content-with-sidebar {
        margin-left: 0;
    }

    .page-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .stat-card .stat-value {
        font-size: 1.375rem;
    }
}

@media (max-width: 767.98px) {
    .quick-actions {
        flex-direction: column;
    }

    .quick-actions .btn {
        width: 100%;
        justify-content: center;
    }

    .invoice-header {
        flex-direction: column;
    }

    .totals-section {
        max-width: 100%;
    }

    .table-salewski {
        font-size: 0.8125rem;
    }

    .flash-container {
        left: 1rem;
        right: 1rem;
        max-width: none;
    }
}

/* ---------- Print Styles ---------- */
@media print {
    body {
        background: #ffffff;
        font-size: 11pt;
        color: #000000;
    }

    .navbar-salewski,
    .footer-salewski,
    .sidebar,
    .quick-actions,
    .filter-bar,
    .flash-container,
    .pagination,
    .btn,
    .no-print {
        display: none !important;
    }

    .content-with-sidebar {
        margin-left: 0;
    }

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

    .card-header {
        background: none;
        border-bottom: 1px solid #000;
    }

    .table-salewski thead th {
        background: none;
        border-bottom: 2px solid #000;
    }

    .table-salewski tbody td {
        border-bottom: 1px solid #ccc;
    }

    .badge {
        border: 1px solid #333;
        color: #000 !important;
        background: none !important;
    }

    a {
        color: #000;
        text-decoration: none;
    }

    .stat-card {
        border: 1px solid #ccc;
        box-shadow: none;
        break-inside: avoid;
    }

    .page-header {
        border-bottom: 2px solid #000;
        padding-bottom: 0.5rem;
    }

    main {
        padding: 0;
    }
}