/**
 * Portal CSS
 * 
 * Styles für das Mandanten-Portal
 */

/* ============================================================================
   CSS Custom Properties
   ============================================================================ */

:root {
    /* Colors */
    --portal-primary: #394D5D;
    --portal-primary-dark: #2d3e4a;
    --portal-accent: #06786D;
    --portal-accent-light: #089485;
    --portal-accent-dark: #055f56;
    
    --portal-bg: #f5f7fa;
    --portal-bg-dark: #e8ecf1;
    --portal-white: #ffffff;
    --portal-black: #1a1a1a;
    
    --portal-text: #1f2937;
    --portal-text-light: #6b7280;
    --portal-text-muted: #9ca3af;
    
    --portal-border: #e5e7eb;
    --portal-border-light: #f3f4f6;
    
    --portal-success: #10b981;
    --portal-success-light: #d1fae5;
    --portal-warning: #f59e0b;
    --portal-warning-light: #fef3c7;
    --portal-danger: #ef4444;
    --portal-danger-light: #fee2e2;
    --portal-info: #3b82f6;
    --portal-info-light: #dbeafe;
    
    /* Spacing */
    --portal-spacing-xs: 0.25rem;
    --portal-spacing-sm: 0.5rem;
    --portal-spacing-md: 1rem;
    --portal-spacing-lg: 1.5rem;
    --portal-spacing-xl: 2rem;
    --portal-spacing-2xl: 3rem;
    
    /* Sizing */
    --portal-sidebar-width: 260px;
    --portal-sidebar-collapsed: 70px;
    --portal-header-height: 65px;
    
    /* Typography */
    --portal-font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --portal-font-size-xs: 0.75rem;
    --portal-font-size-sm: 0.875rem;
    --portal-font-size-base: 1rem;
    --portal-font-size-lg: 1.125rem;
    --portal-font-size-xl: 1.25rem;
    --portal-font-size-2xl: 1.5rem;
    
    /* Border Radius */
    --portal-radius-sm: 4px;
    --portal-radius-md: 8px;
    --portal-radius-lg: 12px;
    --portal-radius-xl: 16px;
    --portal-radius-full: 9999px;
    
    /* Shadows */
    --portal-shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --portal-shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --portal-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --portal-shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    
    /* Transitions */
    --portal-transition-fast: 150ms ease;
    --portal-transition-normal: 250ms ease;
    --portal-transition-slow: 350ms ease;
}

/* ============================================================================
   Base Styles
   ============================================================================ */

*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body.portal-body {
    font-family: var(--portal-font);
    font-size: var(--portal-font-size-base);
    color: var(--portal-text);
    background-color: var(--portal-bg);
    line-height: 1.5;
    display: flex;
    min-height: 100vh;
}

body.auth-body {
    font-family: var(--portal-font);
    font-size: var(--portal-font-size-base);
    color: var(--portal-text);
    background: linear-gradient(135deg, var(--portal-primary) 0%, var(--portal-primary-dark) 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--portal-spacing-lg);
}

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

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

/* ============================================================================
   Sidebar
   ============================================================================ */

.portal-sidebar {
    width: var(--portal-sidebar-width);
    background-color: var(--portal-white);
    border-right: 1px solid var(--portal-border);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: 100;
    transition: transform var(--portal-transition-normal);
}

.portal-sidebar__header {
    padding: var(--portal-spacing-lg);
    border-bottom: 1px solid var(--portal-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.portal-sidebar__logo {
    display: flex;
    align-items: center;
    gap: var(--portal-spacing-sm);
    text-decoration: none;
}

.portal-sidebar__logo-icon {
    font-size: 1.5rem;
}

.portal-sidebar__logo-text {
    font-size: var(--portal-font-size-lg);
    font-weight: 700;
    color: var(--portal-primary);
}

.portal-sidebar__logo-text span {
    color: var(--portal-accent);
}

.portal-sidebar__toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.25rem;
    color: var(--portal-text-light);
    cursor: pointer;
    padding: var(--portal-spacing-xs);
}

.portal-sidebar__nav {
    flex: 1;
    overflow-y: auto;
    padding: var(--portal-spacing-md) 0;
}

.portal-nav {
    list-style: none;
}

.portal-nav__item {
    margin: var(--portal-spacing-xs) var(--portal-spacing-md);
}

.portal-nav__link {
    display: flex;
    align-items: center;
    gap: var(--portal-spacing-md);
    padding: var(--portal-spacing-sm) var(--portal-spacing-md);
    color: var(--portal-text-light);
    border-radius: var(--portal-radius-md);
    transition: all var(--portal-transition-fast);
    text-decoration: none;
}

.portal-nav__link:hover {
    background-color: var(--portal-bg);
    color: var(--portal-text);
}

.portal-nav__link.active {
    background-color: var(--portal-accent);
    color: var(--portal-white);
}

.portal-nav__link.active:hover {
    background-color: var(--portal-accent-dark);
    color: var(--portal-white);
}

.portal-nav__icon {
    font-size: 1.25rem;
    width: 24px;
    text-align: center;
}

.portal-nav__text {
    font-size: var(--portal-font-size-sm);
    font-weight: 500;
}

.portal-nav__badge {
    background-color: var(--portal-danger);
    color: var(--portal-white);
    font-size: var(--portal-font-size-xs);
    font-weight: 600;
    padding: 2px 6px;
    border-radius: var(--portal-radius-full);
    margin-left: auto;
}

.portal-nav__divider {
    height: 1px;
    background-color: var(--portal-border);
    margin: var(--portal-spacing-md);
}

.portal-sidebar__footer {
    padding: var(--portal-spacing-md);
    border-top: 1px solid var(--portal-border);
}

.portal-sidebar__logout {
    display: flex;
    align-items: center;
    gap: var(--portal-spacing-sm);
    padding: var(--portal-spacing-sm) var(--portal-spacing-md);
    color: var(--portal-text-light);
    border-radius: var(--portal-radius-md);
    transition: all var(--portal-transition-fast);
    text-decoration: none;
    font-size: var(--portal-font-size-sm);
}

.portal-sidebar__logout:hover {
    background-color: var(--portal-danger-light);
    color: var(--portal-danger);
}

/* ============================================================================
   Main Content Area
   ============================================================================ */

.portal-main {
    flex: 1;
    margin-left: var(--portal-sidebar-width);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* ============================================================================
   Header
   ============================================================================ */

.portal-header {
    height: var(--portal-header-height);
    background-color: var(--portal-white);
    border-bottom: 1px solid var(--portal-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 var(--portal-spacing-xl);
    position: sticky;
    top: 0;
    z-index: 50;
}

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

.portal-header__menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--portal-text-light);
    cursor: pointer;
    padding: var(--portal-spacing-xs);
}

.portal-header__title {
    font-size: var(--portal-font-size-xl);
    font-weight: 600;
    color: var(--portal-text);
}

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

.portal-header__notification-btn {
    background: none;
    border: none;
    font-size: 1.25rem;
    color: var(--portal-text-light);
    cursor: pointer;
    position: relative;
    padding: var(--portal-spacing-xs);
}

.portal-header__notification-badge {
    position: absolute;
    top: -2px;
    right: -2px;
    background-color: var(--portal-danger);
    color: var(--portal-white);
    font-size: 10px;
    font-weight: 600;
    min-width: 16px;
    height: 16px;
    border-radius: var(--portal-radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
}

.portal-header__user {
    position: relative;
}

.portal-header__user-btn {
    display: flex;
    align-items: center;
    gap: var(--portal-spacing-sm);
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--portal-spacing-xs) var(--portal-spacing-sm);
    border-radius: var(--portal-radius-md);
    transition: background-color var(--portal-transition-fast);
}

.portal-header__user-btn:hover {
    background-color: var(--portal-bg);
}

.portal-header__user-avatar {
    width: 36px;
    height: 36px;
    background-color: var(--portal-accent);
    color: var(--portal-white);
    border-radius: var(--portal-radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--portal-font-size-sm);
    font-weight: 600;
}

.portal-header__user-name {
    font-size: var(--portal-font-size-sm);
    font-weight: 500;
    color: var(--portal-text);
}

.portal-header__user-arrow {
    font-size: 10px;
    color: var(--portal-text-light);
}

.portal-header__user-menu {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    width: 220px;
    background-color: var(--portal-white);
    border: 1px solid var(--portal-border);
    border-radius: var(--portal-radius-lg);
    box-shadow: var(--portal-shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--portal-transition-fast);
    z-index: 100;
}

.portal-header__user-menu.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.portal-header__user-info {
    padding: var(--portal-spacing-md);
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.portal-header__user-info strong {
    font-size: var(--portal-font-size-sm);
    color: var(--portal-text);
}

.portal-header__user-info small {
    font-size: var(--portal-font-size-xs);
    color: var(--portal-text-muted);
}

.portal-header__user-menu-divider {
    height: 1px;
    background-color: var(--portal-border);
}

.portal-header__user-menu-item {
    display: block;
    padding: var(--portal-spacing-sm) var(--portal-spacing-md);
    font-size: var(--portal-font-size-sm);
    color: var(--portal-text-light);
    transition: all var(--portal-transition-fast);
}

.portal-header__user-menu-item:hover {
    background-color: var(--portal-bg);
    color: var(--portal-text);
}

.portal-header__user-menu-item--danger:hover {
    background-color: var(--portal-danger-light);
    color: var(--portal-danger);
}

/* ============================================================================
   Content
   ============================================================================ */

.portal-content {
    flex: 1;
    padding: var(--portal-spacing-xl);
}

/* ============================================================================
   Footer
   ============================================================================ */

.portal-footer {
    padding: var(--portal-spacing-lg) var(--portal-spacing-xl);
    border-top: 1px solid var(--portal-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: var(--portal-font-size-sm);
    color: var(--portal-text-muted);
}

.portal-footer__links {
    display: flex;
    gap: var(--portal-spacing-lg);
}

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

.portal-footer__links a:hover {
    color: var(--portal-accent);
}

/* ============================================================================
   Overlay (Mobile)
   ============================================================================ */

.portal-overlay {
    position: fixed;
    inset: 0;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 90;
    opacity: 0;
    visibility: hidden;
    transition: all var(--portal-transition-normal);
}

.portal-overlay.active {
    opacity: 1;
    visibility: visible;
}

/* ============================================================================
   Alerts
   ============================================================================ */

.portal-alert {
    display: flex;
    align-items: center;
    gap: var(--portal-spacing-md);
    padding: var(--portal-spacing-md) var(--portal-spacing-lg);
    border-radius: var(--portal-radius-md);
    margin-bottom: var(--portal-spacing-lg);
    font-size: var(--portal-font-size-sm);
}

.portal-alert--success {
    background-color: var(--portal-success-light);
    color: #065f46;
    border: 1px solid #a7f3d0;
}

.portal-alert--error {
    background-color: var(--portal-danger-light);
    color: #991b1b;
    border: 1px solid #fecaca;
}

.portal-alert--warning {
    background-color: var(--portal-warning-light);
    color: #92400e;
    border: 1px solid #fcd34d;
}

.portal-alert--info {
    background-color: var(--portal-info-light);
    color: #1e40af;
    border: 1px solid #93c5fd;
}

.portal-alert__close {
    margin-left: auto;
    background: none;
    border: none;
    font-size: 1rem;
    cursor: pointer;
    opacity: 0.7;
    transition: opacity var(--portal-transition-fast);
}

.portal-alert__close:hover {
    opacity: 1;
}

/* ============================================================================
   Cards
   ============================================================================ */

.portal-card {
    background-color: var(--portal-white);
    border-radius: var(--portal-radius-lg);
    border: 1px solid var(--portal-border);
    box-shadow: var(--portal-shadow-sm);
}

.portal-card__header {
    padding: var(--portal-spacing-lg);
    border-bottom: 1px solid var(--portal-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.portal-card__title {
    font-size: var(--portal-font-size-lg);
    font-weight: 600;
    color: var(--portal-text);
}

.portal-card__body {
    padding: var(--portal-spacing-lg);
}

.portal-card__footer {
    padding: var(--portal-spacing-lg);
    border-top: 1px solid var(--portal-border);
    background-color: var(--portal-bg);
    border-radius: 0 0 var(--portal-radius-lg) var(--portal-radius-lg);
}

/* ============================================================================
   Buttons
   ============================================================================ */

.portal-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--portal-spacing-sm);
    padding: var(--portal-spacing-sm) var(--portal-spacing-lg);
    font-family: var(--portal-font);
    font-size: var(--portal-font-size-sm);
    font-weight: 500;
    border-radius: var(--portal-radius-md);
    border: none;
    cursor: pointer;
    transition: all var(--portal-transition-fast);
    text-decoration: none;
}

.portal-btn--primary {
    background-color: var(--portal-accent);
    color: var(--portal-white);
}

.portal-btn--primary:hover {
    background-color: var(--portal-accent-dark);
    color: var(--portal-white);
}

.portal-btn--secondary {
    background-color: var(--portal-bg);
    color: var(--portal-text);
    border: 1px solid var(--portal-border);
}

.portal-btn--secondary:hover {
    background-color: var(--portal-bg-dark);
}

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

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

.portal-btn--ghost {
    background: transparent;
    color: var(--portal-text-light);
}

.portal-btn--ghost:hover {
    background-color: var(--portal-bg);
    color: var(--portal-text);
}

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

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

.portal-btn--full {
    width: 100%;
}

/* ============================================================================
   Forms
   ============================================================================ */

.portal-form-group {
    margin-bottom: var(--portal-spacing-lg);
}

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

.portal-form-input {
    width: 100%;
    padding: var(--portal-spacing-sm) var(--portal-spacing-md);
    font-family: var(--portal-font);
    font-size: var(--portal-font-size-base);
    color: var(--portal-text);
    background-color: var(--portal-white);
    border: 1px solid var(--portal-border);
    border-radius: var(--portal-radius-md);
    transition: all var(--portal-transition-fast);
}

.portal-form-input:focus {
    outline: none;
    border-color: var(--portal-accent);
    box-shadow: 0 0 0 3px rgba(6, 120, 109, 0.1);
}

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

.portal-form-input--error {
    border-color: var(--portal-danger);
}

.portal-form-input--error:focus {
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

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

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

.portal-form-select {
    width: 100%;
    padding: var(--portal-spacing-sm) var(--portal-spacing-md);
    font-family: var(--portal-font);
    font-size: var(--portal-font-size-base);
    color: var(--portal-text);
    background-color: var(--portal-white);
    border: 1px solid var(--portal-border);
    border-radius: var(--portal-radius-md);
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%236b7280'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'%3E%3C/path%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    background-size: 16px;
    padding-right: 40px;
}

.portal-form-select:focus {
    outline: none;
    border-color: var(--portal-accent);
    box-shadow: 0 0 0 3px rgba(6, 120, 109, 0.1);
}

.portal-form-checkbox {
    display: flex;
    align-items: flex-start;
    gap: var(--portal-spacing-sm);
}

.portal-form-checkbox input[type="checkbox"] {
    width: 18px;
    height: 18px;
    margin-top: 2px;
    accent-color: var(--portal-accent);
}

.portal-form-checkbox label {
    font-size: var(--portal-font-size-sm);
    color: var(--portal-text-light);
}

/* ============================================================================
   Auth Pages
   ============================================================================ */

.auth-container {
    width: 100%;
    max-width: 580px;
}

.auth-logo {
    text-align: center;
    margin-bottom: var(--portal-spacing-xl);
}

.auth-logo a {
    display: inline-flex;
    align-items: center;
    gap: var(--portal-spacing-sm);
    text-decoration: none;
}

.auth-logo__icon {
    font-size: 2.5rem;
}

.auth-logo__text {
    font-size: var(--portal-font-size-2xl);
    font-weight: 700;
    color: var(--portal-white);
}

.auth-logo__text span {
    color: #5fd9cb;
}

.auth-card {
    background-color: var(--portal-white);
    border-radius: var(--portal-radius-xl);
    box-shadow: var(--portal-shadow-xl);
    padding: var(--portal-spacing-2xl) var(--portal-spacing-2xl);
    min-width: 500px;
}

.auth-card__title {
    font-size: var(--portal-font-size-xl);
    font-weight: 600;
    color: var(--portal-text);
    margin-bottom: var(--portal-spacing-xs);
}

.auth-card__subtitle {
    font-size: var(--portal-font-size-sm);
    color: var(--portal-text-light);
    margin-bottom: var(--portal-spacing-xl);
}

.auth-alert {
    padding: var(--portal-spacing-md);
    border-radius: var(--portal-radius-md);
    margin-bottom: var(--portal-spacing-lg);
    font-size: var(--portal-font-size-sm);
}

.auth-alert--error {
    background-color: var(--portal-danger-light);
    color: #991b1b;
    border: 1px solid #fecaca;
}

.auth-alert--success {
    background-color: var(--portal-success-light);
    color: #065f46;
    border: 1px solid #a7f3d0;
}

.auth-divider {
    display: flex;
    align-items: center;
    gap: var(--portal-spacing-md);
    margin: var(--portal-spacing-lg) 0;
    color: var(--portal-text-muted);
    font-size: var(--portal-font-size-sm);
}

.auth-divider::before,
.auth-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background-color: var(--portal-border);
}

.auth-link {
    text-align: center;
    margin-top: var(--portal-spacing-lg);
    font-size: var(--portal-font-size-sm);
    color: var(--portal-text-light);
}

.auth-footer {
    text-align: center;
    margin-top: var(--portal-spacing-xl);
    font-size: var(--portal-font-size-sm);
}

.auth-footer a {
    color: rgba(255, 255, 255, 0.8);
}

.auth-footer a:hover {
    color: var(--portal-white);
}

.auth-footer__divider {
    margin: 0 var(--portal-spacing-sm);
    color: rgba(255, 255, 255, 0.5);
}

/* ============================================================================
   Dashboard Stats
   ============================================================================ */

.portal-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--portal-spacing-lg);
    margin-bottom: var(--portal-spacing-xl);
}

.portal-stat {
    background-color: var(--portal-white);
    border-radius: var(--portal-radius-lg);
    border: 1px solid var(--portal-border);
    padding: var(--portal-spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--portal-spacing-md);
}

.portal-stat__icon {
    width: 48px;
    height: 48px;
    border-radius: var(--portal-radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.portal-stat__icon--primary {
    background-color: rgba(6, 120, 109, 0.1);
}

.portal-stat__icon--success {
    background-color: var(--portal-success-light);
}

.portal-stat__icon--warning {
    background-color: var(--portal-warning-light);
}

.portal-stat__icon--danger {
    background-color: var(--portal-danger-light);
}

.portal-stat__content {
    flex: 1;
}

.portal-stat__value {
    font-size: var(--portal-font-size-2xl);
    font-weight: 700;
    color: var(--portal-text);
}

.portal-stat__label {
    font-size: var(--portal-font-size-sm);
    color: var(--portal-text-light);
}

/* ============================================================================
   Tables
   ============================================================================ */

.portal-table-wrapper {
    overflow-x: auto;
}

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

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

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

.portal-table td {
    font-size: var(--portal-font-size-sm);
    color: var(--portal-text);
}

.portal-table tbody tr:hover {
    background-color: var(--portal-bg);
}

/* ============================================================================
   Status Badges
   ============================================================================ */

.portal-badge {
    display: inline-flex;
    align-items: center;
    padding: 2px 10px;
    font-size: var(--portal-font-size-xs);
    font-weight: 500;
    border-radius: var(--portal-radius-full);
}

.portal-badge--draft {
    background-color: var(--portal-bg);
    color: var(--portal-text-light);
}

.portal-badge--pending {
    background-color: var(--portal-warning-light);
    color: #92400e;
}

.portal-badge--sent {
    background-color: var(--portal-info-light);
    color: #1e40af;
}

.portal-badge--success {
    background-color: var(--portal-success-light);
    color: #065f46;
}

.portal-badge--danger {
    background-color: var(--portal-danger-light);
    color: #991b1b;
}

/* ============================================================================
   Empty State
   ============================================================================ */

.portal-empty {
    text-align: center;
    padding: var(--portal-spacing-2xl);
}

.portal-empty__icon {
    font-size: 4rem;
    margin-bottom: var(--portal-spacing-lg);
}

.portal-empty__title {
    font-size: var(--portal-font-size-lg);
    font-weight: 600;
    color: var(--portal-text);
    margin-bottom: var(--portal-spacing-sm);
}

.portal-empty__text {
    font-size: var(--portal-font-size-sm);
    color: var(--portal-text-light);
    margin-bottom: var(--portal-spacing-lg);
}

/* ============================================================================
   Responsive
   ============================================================================ */

@media (max-width: 1024px) {
    .portal-sidebar {
        transform: translateX(-100%);
    }
    
    .portal-sidebar.active {
        transform: translateX(0);
    }
    
    .portal-sidebar__toggle {
        display: block;
    }
    
    .portal-main {
        margin-left: 0;
    }
    
    .portal-header__menu-btn {
        display: block;
    }
}

@media (max-width: 768px) {
    .portal-content {
        padding: var(--portal-spacing-md);
    }
    
    .portal-header {
        padding: 0 var(--portal-spacing-md);
    }
    
    .portal-header__title {
        font-size: var(--portal-font-size-base);
    }
    
    .portal-header__user-name {
        display: none;
    }
    
    .portal-footer {
        flex-direction: column;
        gap: var(--portal-spacing-md);
        text-align: center;
    }
    
    .portal-stats {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .auth-card {
        padding: var(--portal-spacing-lg);
        min-width: unset;
    }
    
    .auth-logo__text {
        font-size: var(--portal-font-size-xl);
    }
}

/* ============================================================================
   Dokumente-Liste (Akte Detailseite)
   ============================================================================ */

.documents-list {
    display: flex;
    flex-direction: column;
    gap: var(--portal-spacing-sm);
}

.document-item {
    display: flex;
    align-items: center;
    gap: var(--portal-spacing-md);
    padding: var(--portal-spacing-md);
    background: var(--portal-bg);
    border-radius: var(--portal-radius-sm);
    transition: background-color 0.2s;
}

.document-item:hover {
    background: var(--portal-bg-dark);
}

.document-item__icon {
    font-size: 1.5rem;
    flex-shrink: 0;
}

.document-item__info {
    flex: 1;
    min-width: 0;
}

.document-item__name {
    font-weight: 500;
    color: var(--portal-text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.document-item__meta {
    font-size: var(--portal-font-size-sm);
    color: var(--portal-text-light);
    margin-top: 2px;
}

/* Case Details */
.case-details {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: var(--portal-spacing-sm) var(--portal-spacing-md);
}

.case-details dt {
    font-weight: 500;
    color: var(--portal-text-light);
}

.case-details dd {
    color: var(--portal-text);
    margin: 0;
}

/* ============================================================================
   Modal
   ============================================================================ */

.portal-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
}

.portal-modal__backdrop {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(2px);
}

.portal-modal__content {
    position: relative;
    z-index: 1;
    background: var(--portal-white);
    border-radius: var(--portal-radius-lg);
    padding: var(--portal-spacing-xl);
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3);
}

.portal-modal__content h3 {
    margin: 0 0 var(--portal-spacing-lg) 0;
    font-size: 1.25rem;
    color: var(--portal-text);
}

.portal-modal__content--lg {
    max-width: 600px;
}

.portal-modal__actions {
    display: flex;
    gap: var(--portal-spacing-md);
    justify-content: flex-end;
    margin-top: var(--portal-spacing-lg);
    padding-top: var(--portal-spacing-lg);
    border-top: 1px solid var(--portal-border);
}

/* Portal Form (für Modal) */
.portal-form-group {
    margin-bottom: var(--portal-spacing-md);
}

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

.portal-form-input,
.portal-form-select {
    width: 100%;
    padding: var(--portal-spacing-sm) var(--portal-spacing-md);
    border: 1px solid var(--portal-border);
    border-radius: var(--portal-radius-sm);
    font-size: 1rem;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.portal-form-input:focus,
.portal-form-select:focus {
    outline: none;
    border-color: var(--portal-accent);
    box-shadow: 0 0 0 3px rgba(6, 120, 109, 0.1);
}

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