/* =============================================
   Kundenportal - Modernes Dark Theme
   Premium Design mit Glassmorphism
   ============================================= */

:root {
    /* Farben */
    --color-bg: #0f0f1a;
    --color-bg-secondary: #1a1a2e;
    --color-bg-card: rgba(30, 30, 50, 0.7);
    --color-primary: #6366f1;
    --color-primary-hover: #818cf8;
    --color-secondary: #10b981;
    --color-accent: #f59e0b;
    --color-danger: #ef4444;
    --color-text: #e2e8f0;
    --color-text-muted: #94a3b8;
    --color-border: rgba(255, 255, 255, 0.1);

    /* Glassmorphism */
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;

    /* Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.75rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;
    --transition-slow: 400ms ease;
}

/* Reset & Base */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    min-height: 100vh;
    background-image:
        radial-gradient(ellipse at 20% 0%, rgba(99, 102, 241, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 100%, rgba(16, 185, 129, 0.1) 0%, transparent 50%);
}

/* App Container */
.app-container {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* ===== NAVBAR ===== */
.navbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md) var(--spacing-xl);
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
    position: sticky;
    top: 0;
    z-index: 100;
}

.navbar-brand .logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    text-decoration: none;
    color: var(--color-text);
    font-weight: 700;
    font-size: 1.25rem;
}

.logo-icon {
    font-size: 1.5rem;
}

.navbar-menu {
    display: flex;
    gap: var(--spacing-sm);
}

.nav-link {
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--color-text-muted);
    text-decoration: none;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    font-weight: 500;
}

.nav-link:hover,
.nav-link.active {
    color: var(--color-text);
    background: var(--glass-bg);
}

.navbar-user {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.user-greeting {
    color: var(--color-text-muted);
    font-size: 0.875rem;
}

/* ===== MAIN CONTENT ===== */
.main-content {
    flex: 1;
    padding: var(--spacing-xl);
    max-width: 1400px;
    margin: 0 auto;
    width: 100%;
}

/* ===== CARDS ===== */
.card {
    background: var(--color-bg-card);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--glass-shadow);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4);
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--glass-border);
}

.card-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-text);
}

.card-icon {
    font-size: 2rem;
}

/* ===== BUTTONS ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: 0.875rem;
    font-weight: 600;
    text-decoration: none;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary), #8b5cf6);
    color: white;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.4);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--color-primary-hover), #a78bfa);
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.5);
}

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

.btn-secondary:hover {
    background: #059669;
}

.btn-outline {
    background: transparent;
    border: 1px solid var(--glass-border);
    color: var(--color-text);
}

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

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

.btn-danger:hover {
    background: #dc2626;
}

.btn-sm {
    padding: var(--spacing-xs) var(--spacing-md);
    font-size: 0.75rem;
}

.btn-lg {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: 1rem;
}

.btn-block {
    width: 100%;
}

/* ===== FORMS ===== */
.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-weight: 500;
    color: var(--color-text);
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: var(--spacing-md);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    color: var(--color-text);
    font-size: 1rem;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
}

.form-input::placeholder {
    color: var(--color-text-muted);
}

.form-textarea {
    resize: vertical;
    min-height: 100px;
}

.form-hint {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    margin-top: var(--spacing-xs);
}

.form-error {
    color: var(--color-danger);
    font-size: 0.875rem;
    margin-top: var(--spacing-xs);
}

/* ===== ALERTS ===== */
.alert {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md) var(--spacing-lg);
    margin: var(--spacing-md) var(--spacing-xl);
    border-radius: var(--radius-md);
    font-weight: 500;
    animation: slideIn 0.3s ease;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.alert-success {
    background: rgba(16, 185, 129, 0.2);
    border: 1px solid var(--color-secondary);
    color: var(--color-secondary);
}

.alert-error {
    background: rgba(239, 68, 68, 0.2);
    border: 1px solid var(--color-danger);
    color: var(--color-danger);
}

.alert-warning {
    background: rgba(245, 158, 11, 0.2);
    border: 1px solid var(--color-accent);
    color: var(--color-accent);
}

.alert-info {
    background: rgba(99, 102, 241, 0.2);
    border: 1px solid var(--color-primary);
    color: var(--color-primary);
}

.alert-close {
    background: none;
    border: none;
    color: inherit;
    font-size: 1.5rem;
    cursor: pointer;
    opacity: 0.7;
    transition: opacity var(--transition-fast);
}

.alert-close:hover {
    opacity: 1;
}

/* ===== TABLES ===== */
.table-container {
    overflow-x: auto;
    border-radius: var(--radius-lg);
    border: 1px solid var(--glass-border);
}

.table {
    width: 100%;
    border-collapse: collapse;
}

.table th,
.table td {
    padding: var(--spacing-md);
    text-align: left;
    border-bottom: 1px solid var(--glass-border);
}

.table th {
    background: var(--glass-bg);
    font-weight: 600;
    color: var(--color-text-muted);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.table tr:hover {
    background: var(--glass-bg);
}

.table tr:last-child td {
    border-bottom: none;
}

/* ===== AUTH PAGES ===== */
.auth-container {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: var(--spacing-xl);
}

.auth-card {
    width: 100%;
    max-width: 420px;
    text-align: center;
}

.auth-logo {
    font-size: 4rem;
    margin-bottom: var(--spacing-md);
}

.auth-title {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
}

.auth-subtitle {
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-xl);
}

.auth-form {
    text-align: left;
}

.auth-footer {
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--glass-border);
}

.auth-footer a {
    color: var(--color-primary);
    text-decoration: none;
}

.auth-footer a:hover {
    text-decoration: underline;
}

/* ===== DASHBOARD ===== */
.dashboard-header {
    margin-bottom: var(--spacing-xl);
}

.dashboard-title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
}

.dashboard-subtitle {
    color: var(--color-text-muted);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.stat-card {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.stat-icon {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-primary), #8b5cf6);
    border-radius: var(--radius-lg);
    font-size: 1.5rem;
}

.stat-icon.secondary {
    background: linear-gradient(135deg, var(--color-secondary), #34d399);
}

.stat-icon.accent {
    background: linear-gradient(135deg, var(--color-accent), #fbbf24);
}

.stat-info h3 {
    font-size: 2rem;
    font-weight: 700;
    line-height: 1;
}

.stat-info p {
    color: var(--color-text-muted);
    font-size: 0.875rem;
}

/* ===== FILE UPLOAD ===== */
.upload-zone {
    border: 2px dashed var(--glass-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-2xl);
    text-align: center;
    transition: all var(--transition-normal);
    cursor: pointer;
}

.upload-zone:hover,
.upload-zone.dragover {
    border-color: var(--color-primary);
    background: rgba(99, 102, 241, 0.1);
}

.upload-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
    opacity: 0.7;
}

.upload-text {
    color: var(--color-text-muted);
}

.upload-text strong {
    color: var(--color-primary);
}

/* ===== DOCUMENT LIST ===== */
.document-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--glass-bg);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-sm);
    transition: background var(--transition-fast);
}

.document-item:hover {
    background: rgba(255, 255, 255, 0.08);
}

.document-icon {
    font-size: 2rem;
}

.document-info {
    flex: 1;
}

.document-name {
    font-weight: 500;
    margin-bottom: var(--spacing-xs);
}

.document-meta {
    font-size: 0.75rem;
    color: var(--color-text-muted);
}

.document-actions {
    display: flex;
    gap: var(--spacing-sm);
}

/* ===== BOOTSTRAP OVERRIDES ===== */

/* Panels -> Cards */
.panel {
    background: var(--color-bg-card) !important;
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--glass-shadow);
    color: var(--color-text);
}

.panel-default>.panel-heading {
    background: transparent !important;
    border-bottom: 1px solid var(--glass-border);
    color: var(--color-text);
    font-size: 1.25rem;
    font-weight: 600;
}

.panel-body {
    background: transparent !important;
    padding: var(--spacing-lg);
}

.panel-footer {
    background: rgba(0, 0, 0, 0.2);
    border-top: 1px solid var(--glass-border);
}

/* Fix Panel Colors */
.panel-primary>.panel-heading {
    background: var(--color-primary);
    border: none;
}

.panel-success>.panel-heading {
    background: var(--color-secondary);
    border: none;
}

.panel-info>.panel-heading {
    background: #0ea5e9;
    border: none;
}

.panel-warning>.panel-heading {
    background: var(--color-accent);
    border: none;
}

.panel-danger>.panel-heading {
    background: var(--color-danger);
    border: none;
}

.panel-primary,
.panel-success,
.panel-info,
.panel-warning,
.panel-danger {
    border: none;
}

/* Wells */
.well {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    box-shadow: none;
    color: var(--color-text);
}

/* Forms (Bootstrap) */
.form-control {
    background: var(--glass-bg) !important;
    border: 1px solid var(--glass-border) !important;
    color: var(--color-text) !important;
    box-shadow: none;
    transition: all var(--transition-fast);
}

.form-control:focus {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--color-primary);
    box-shadow: 0 0 0 2px rgba(99, 102, 241, 0.2);
    color: var(--color-text);
}

/* Tables (Bootstrap) */
.table {
    color: var(--color-text);
}

.table>thead>tr>th {
    border-bottom: 2px solid var(--glass-border);
    color: var(--color-text-muted);
}

.table>tbody>tr>td {
    border-top: 1px solid var(--glass-border);
}

.table-striped>tbody>tr:nth-of-type(odd) {
    background-color: rgba(255, 255, 255, 0.02);
}

.table-hover>tbody>tr:hover {
    background-color: rgba(255, 255, 255, 0.05);
}

/* Modals */
.modal-content {
    background: var(--color-bg-secondary);
    color: var(--color-text);
    border: 1px solid var(--glass-border);
}

.modal-header {
    border-bottom: 1px solid var(--glass-border);
}

.modal-footer {
    border-top: 1px solid var(--glass-border);
}

.close {
    color: var(--color-text);
    text-shadow: none;
    opacity: 0.7;
}

.close:hover {
    color: var(--color-text);
    opacity: 1;
}

/* Dropdowns */
.dropdown-menu {
    background: var(--color-bg-secondary);
    border: 1px solid var(--glass-border);
    box-shadow: var(--glass-shadow);
}

.dropdown-menu>li>a {
    color: var(--color-text);
}

.dropdown-menu>li>a:hover,
.dropdown-menu>li>a:focus {
    background: var(--color-primary);
    color: white;
}

.dropdown-menu .divider {
    background-color: var(--glass-border);
}

/* Pagination */
.pagination>li>a,
.pagination>li>span {
    background: var(--glass-bg);
    border-color: var(--glass-border);
    color: var(--color-text);
}

.pagination>li>a:hover,
.pagination>li>span:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--glass-border);
    color: var(--color-text);
}

.pagination>.active>a,
.pagination>.active>span,
.pagination>.active>a:hover,
.pagination>.active>span:hover,
.pagination>.active>a:focus,
.pagination>.active>span:focus {
    background: var(--color-primary);
    border-color: var(--color-primary);
}

/* Badges */
.badge {
    background-color: var(--color-primary);
}

/* ===== BADGES ===== */
.badge {
    display: inline-flex;
    align-items: center;
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
    text-transform: uppercase;
    letter-spacing: 0.025em;
}

.badge-primary {
    background: rgba(99, 102, 241, 0.2);
    color: var(--color-primary);
}

.badge-success {
    background: rgba(16, 185, 129, 0.2);
    color: var(--color-secondary);
}

.badge-warning {
    background: rgba(245, 158, 11, 0.2);
    color: var(--color-accent);
}

/* ===== FOOTER ===== */
.footer {
    padding: var(--spacing-lg) var(--spacing-xl);
    text-align: center;
    color: var(--color-text-muted);
    font-size: 0.875rem;
    border-top: 1px solid var(--glass-border);
}

/* ===== UTILITIES ===== */
.text-center {
    text-align: center;
}

.text-right {
    text-align: right;
}

.text-muted {
    color: var(--color-text-muted);
}

.text-primary {
    color: var(--color-primary);
}

.text-success {
    color: var(--color-secondary);
}

.text-danger {
    color: var(--color-danger);
}

.mt-md {
    margin-top: var(--spacing-md);
}

.mt-lg {
    margin-top: var(--spacing-lg);
}

.mb-md {
    margin-bottom: var(--spacing-md);
}

.mb-lg {
    margin-bottom: var(--spacing-lg);
}

.flex {
    display: flex;
}

.flex-between {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.gap-sm {
    gap: var(--spacing-sm);
}

.gap-md {
    gap: var(--spacing-md);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
    .navbar {
        flex-wrap: wrap;
        gap: var(--spacing-md);
    }

    .navbar-menu {
        order: 3;
        width: 100%;
        justify-content: center;
    }

    .main-content {
        padding: var(--spacing-md);
    }

    .stats-grid {
        grid-template-columns: 1fr;
    }

    .dashboard-title {
        font-size: 1.5rem;
    }
}

/* OCR Spinner */
.spin {
    animation: spin 1s infinite linear;
}

@keyframes spin {
    from {
        transform: rotate(0deg);
    }

    to {
        transform: rotate(360deg);
    }
}