/* ===== MODERN CSS RESET ===== */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Colors */
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #8b5cf6;
    --secondary: #06b6d4;
    --success: #10b981;
    --warning: #f59e0b;
    --error: #ef4444;
    --background: #0f172a;
    --surface: #1e293b;
    --surface-light: #334155;
    --text-primary: #f1f5f9;
    --text-secondary: #cbd5e1;
    --text-muted: #64748b;
    --border: #334155;
    
    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    
    /* Typography */
    --text-xs: 0.75rem;
    --text-sm: 0.875rem;
    --text-base: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.25rem;
    --text-2xl: 1.5rem;
    --text-3xl: 1.875rem;
    
    /* Effects */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius: 0.5rem;
    --radius-md: 0.75rem;
    --radius-lg: 1rem;
    
    /* Transitions */
    --transition: all 0.2s ease-in-out;
    --transition-slow: all 0.3s ease-in-out;
}

/* ===== BASE STYLES ===== */
html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--background);
    min-height: 100vh;
}

/* ===== LAYOUT ===== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-md);
}

/* ===== FIXED NAVBAR ===== */
.simple-header {
    background: #1e293b;
    border-bottom: 1px solid #334155;
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    width: 100%;
}

.simple-header-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.simple-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: white;
    text-decoration: none;
    font-weight: bold;
    font-size: 1.2rem;
}

.simple-nav {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.simple-nav-link {
    color: #cbd5e1;
    text-decoration: none;
    padding: 0.5rem 1rem;
    border-radius: 0.375rem;
    transition: all 0.2s;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.simple-nav-link:hover {
    color: white;
    background: #334155;
}

.simple-nav-link.active {
    color: #6366f1;
    background: rgba(99, 102, 241, 0.1);
}

/* Zentrierung für alle Seiten */
.centered-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 60vh;
    text-align: center;
}

/* ===== IMPROVED CLIENT MANAGEMENT ===== */
.client-management-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-lg);
}

.quick-client-actions {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
}

.client-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    transition: var(--transition);
    position: relative;
}

.client-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary);
}

.client-card-header {
    display: flex;
    justify-content: between;
    align-items: flex-start;
    margin-bottom: var(--space-md);
}

.client-card-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

.client-card-meta {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-sm);
    margin-bottom: var(--space-md);
}

.client-card-actions {
    display: flex;
    gap: var(--space-sm);
    flex-wrap: wrap;
}

/* ===== IMPROVED FORMS ===== */
.centered-form {
    max-width: 600px;
    margin: 0 auto;
}

.form-section {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    margin-bottom: var(--space-lg);
}

.form-section-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-lg);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

/* ===== UPDATE STYLES ===== */
.update-type-badge {
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-sm);
    font-size: var(--text-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.update-type-progress { background: rgba(6, 182, 212, 0.1); color: #06b6d4; border: 1px solid rgba(6, 182, 212, 0.3); }
.update-type-information { background: rgba(99, 102, 241, 0.1); color: #6366f1; border: 1px solid rgba(99, 102, 241, 0.3); }
.update-type-completed { background: rgba(16, 185, 129, 0.1); color: #10b981; border: 1px solid rgba(16, 185, 129, 0.3); }
.update-type-issue { background: rgba(245, 158, 11, 0.1); color: #f59e0b; border: 1px solid rgba(245, 158, 11, 0.3); }
.update-type-payment { background: rgba(139, 92, 246, 0.1); color: #8b5cf6; border: 1px solid rgba(139, 92, 246, 0.3); }

.priority-badge {
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
}

.priority-low { background: rgba(16, 185, 129, 0.2); color: #10b981; }
.priority-medium { background: rgba(245, 158, 11, 0.2); color: #f59e0b; }
.priority-high { background: rgba(239, 68, 68, 0.2); color: #ef4444; }
.priority-urgent { background: rgba(239, 68, 68, 0.3); color: #fff; }

/* Payment Status Badges */
.payment-status-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-xs) var(--space-md);
    border-radius: var(--radius);
    font-size: var(--text-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.payment-status-unpaid { background: rgba(239, 68, 68, 0.1); color: #ef4444; border: 1px solid rgba(239, 68, 68, 0.3); }
.payment-status-partially_paid { background: rgba(245, 158, 11, 0.1); color: #f59e0b; border: 1px solid rgba(245, 158, 11, 0.3); }
.payment-status-paid { background: rgba(16, 185, 129, 0.1); color: #10b981; border: 1px solid rgba(16, 185, 129, 0.3); }
.payment-status-payment_scheduled { background: rgba(6, 182, 212, 0.1); color: #06b6d4; border: 1px solid rgba(6, 182, 212, 0.3); }
.payment-status-payment_preparing { background: rgba(139, 92, 246, 0.1); color: #8b5cf6; border: 1px solid rgba(139, 92, 246, 0.3); }
.payment-status-no_payment_requested { background: rgba(100, 116, 139, 0.1); color: #64748b; border: 1px solid rgba(100, 116, 139, 0.3); }

/* Responsive Improvements */
@media (max-width: 768px) {
    .simple-header-content {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
    
    .simple-nav {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .client-card-meta {
        grid-template-columns: 1fr;
    }
    
    .quick-client-actions {
        grid-template-columns: 1fr;
    }
}

/* ===== MAIN CONTENT ===== */
.main {
    padding: var(--space-2xl) 0;
    min-height: calc(100vh - 80px);
}

.page-header {
    margin-bottom: var(--space-2xl);
}

.page-title {
    font-size: var(--text-3xl);
    font-weight: 800;
    background: linear-gradient(135deg, var(--text-primary), var(--primary-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--space-sm);
}

.page-subtitle {
    color: var(--text-secondary);
    font-size: var(--text-lg);
    line-height: 1.5;
}

/* ===== CARDS ===== */
.card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    backdrop-filter: blur(10px);
}

.card-header {
    padding: var(--space-lg);
    border-bottom: 1px solid var(--border);
}

.card-title {
    font-size: var(--text-xl);
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
}

.card-body {
    padding: var(--space-lg);
}

.card-footer {
    padding: var(--space-lg);
    border-top: 1px solid var(--border);
    background: rgba(30, 41, 59, 0.5);
}

/* ===== STATS GRID ===== */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-lg);
    margin-bottom: var(--space-2xl);
}

.stat-card {
    background: linear-gradient(135deg, var(--surface), var(--surface-light));
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    position: relative;
    overflow: hidden;
    transition: var(--transition);
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
}

.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.stat-value {
    font-size: 2.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--text-primary), var(--primary-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    margin-bottom: var(--space-sm);
}

.stat-label {
    color: var(--text-secondary);
    font-size: var(--text-sm);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 600;
}

/* ===== ACTION GRID ===== */
.action-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-lg);
    margin-bottom: var(--space-2xl);
}

.action-card {
    background: linear-gradient(135deg, var(--surface), var(--surface-light));
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    text-decoration: none;
    color: var(--text-primary);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.action-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
}

.action-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary);
}

.action-card h3 {
    font-size: var(--text-xl);
    font-weight: 700;
    margin-bottom: var(--space-sm);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.action-card p {
    color: var(--text-secondary);
    margin-bottom: var(--space-lg);
}

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

.form-label {
    display: block;
    margin-bottom: var(--space-sm);
    font-weight: 600;
    color: var(--text-primary);
}

.form-control {
    width: 100%;
    padding: var(--space-md);
    background: rgba(15, 23, 42, 0.5);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text-primary);
    font-size: var(--text-base);
    transition: var(--transition);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

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

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-md);
}

.form-actions {
    display: flex;
    gap: var(--space-md);
    justify-content: flex-end;
    margin-top: var(--space-xl);
}

/* ===== BUTTONS ===== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-lg);
    border: none;
    border-radius: var(--radius);
    font-size: var(--text-sm);
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition);
    line-height: 1;
    white-space: nowrap;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background: var(--surface-light);
    color: var(--text-primary);
    border: 1px solid var(--border);
}

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

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

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

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

/* ===== TABLES ===== */
.table-container {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

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

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

.table th {
    background: rgba(30, 41, 59, 0.8);
    font-weight: 600;
    color: var(--text-primary);
    font-size: var(--text-sm);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.table tbody tr {
    transition: var(--transition);
}

.table tbody tr:hover {
    background: rgba(99, 102, 241, 0.05);
}

/* ===== STATUS BADGES ===== */
.status-badge {
    display: inline-flex;
    align-items: center;
    padding: var(--space-xs) var(--space-md);
    border-radius: 9999px;
    font-size: var(--text-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    cursor: pointer;
    transition: var(--transition);
}

.status-badge:hover {
    transform: scale(1.05);
}

.status-pending {
    background: rgba(245, 158, 11, 0.1);
    color: #f59e0b;
    border: 1px solid rgba(245, 158, 11, 0.3);
}

.status-in_progress {
    background: rgba(6, 182, 212, 0.1);
    color: #06b6d4;
    border: 1px solid rgba(6, 182, 212, 0.3);
}

.status-completed {
    background: rgba(16, 185, 129, 0.1);
    color: #10b981;
    border: 1px solid rgba(16, 185, 129, 0.3);
}

.status-cancelled {
    background: rgba(239, 68, 68, 0.1);
    color: #ef4444;
    border: 1px solid rgba(239, 68, 68, 0.3);
}

.status-unpaid {
    background: rgba(239, 68, 68, 0.1);
    color: #ef4444;
    border: 1px solid rgba(239, 68, 68, 0.3);
}

.status-partially_paid {
    background: rgba(245, 158, 11, 0.1);
    color: #f59e0b;
    border: 1px solid rgba(245, 158, 11, 0.3);
}

.status-paid {
    background: rgba(16, 185, 129, 0.1);
    color: #10b981;
    border: 1px solid rgba(16, 185, 129, 0.3);
}

.status-payment_arranged {
    background: rgba(6, 182, 212, 0.1);
    color: #06b6d4;
    border: 1px solid rgba(6, 182, 212, 0.3);
}

/* ===== COPY LINK STYLES ===== */
.copy-link {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    background: rgba(15, 23, 42, 0.5);
    padding: var(--space-sm);
    border-radius: var(--radius);
    border: 1px solid var(--border);
}

.copy-link-content {
    flex: 1;
    color: var(--text-primary);
    font-family: 'Monaco', 'Consolas', monospace;
    font-size: var(--text-sm);
    word-break: break-all;
}

.copy-btn {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: var(--space-xs);
    border-radius: var(--radius-sm);
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.copy-btn:hover {
    background: var(--surface-light);
    color: var(--text-primary);
}

/* ===== TABS ===== */
.tabs {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.tab-headers {
    display: flex;
    background: rgba(30, 41, 59, 0.8);
    border-bottom: 1px solid var(--border);
}

.tab-header {
    padding: var(--space-lg);
    background: none;
    border: none;
    cursor: pointer;
    font-weight: 600;
    color: var(--text-secondary);
    border-bottom: 2px solid transparent;
    transition: var(--transition);
    flex: 1;
    text-align: center;
}

.tab-header:hover {
    color: var(--text-primary);
    background: var(--surface-light);
}

.tab-header.active {
    color: var(--primary);
    border-bottom-color: var(--primary);
    background: var(--surface);
}

.tab-content {
    padding: var(--space-xl);
    display: none;
}

.tab-content.active {
    display: block;
}

/* ===== DOCUMENT CARDS ===== */
.document-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: var(--space-lg);
    margin-bottom: var(--space-md);
    transition: var(--transition);
}

.document-card:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow);
}

.document-title {
    font-size: var(--text-lg);
    font-weight: 600;
    margin-bottom: var(--space-sm);
    color: var(--text-primary);
}

.document-description {
    color: var(--text-secondary);
    margin-bottom: var(--space-md);
    line-height: 1.6;
}

.document-meta {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    flex-wrap: wrap;
}

.document-amount {
    font-size: var(--text-xl);
    font-weight: 700;
    color: var(--success);
}

/* ===== LOGIN PAGE ===== */
.login-container {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: var(--space-md);
    background: linear-gradient(135deg, var(--background), var(--surface));
}

.login-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    padding: var(--space-2xl);
    width: 100%;
    max-width: 400px;
    text-align: center;
}

.login-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--space-lg);
    color: white;
    font-size: 2rem;
}

/* ===== CLIENT PORTAL SPECIFIC STYLES ===== */
.client-portal-body {
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    min-height: 100vh;
    font-family: 'Inter', sans-serif;
}

.client-portal-container {
    max-width: 1000px;
    margin: 0 auto;
    padding: var(--space-lg);
}

/* Client Header */
.client-portal-header {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    padding: var(--space-2xl);
    margin-bottom: var(--space-2xl);
    text-align: center;
    backdrop-filter: blur(10px);
}

.client-portal-title {
    font-size: 2.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--space-md);
}

.client-info-card {
    background: rgba(15, 23, 42, 0.5);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: var(--space-lg);
    margin-top: var(--space-lg);
}

.client-name {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--space-sm);
}

.client-meta {
    display: flex;
    justify-content: center;
    gap: var(--space-xl);
    flex-wrap: wrap;
    margin-bottom: var(--space-lg);
}

.meta-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-xs);
}

.meta-label {
    font-size: var(--text-sm);
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.meta-value {
    font-size: var(--text-lg);
    font-weight: 600;
    color: var(--text-primary);
}

/* Client Tabs */
.client-tabs {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    overflow: hidden;
    margin-bottom: var(--space-2xl);
}

.client-tab-headers {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    background: rgba(30, 41, 59, 0.8);
    border-bottom: 1px solid var(--border);
}

.client-tab-header {
    padding: var(--space-lg);
    background: none;
    border: none;
    cursor: pointer;
    font-weight: 600;
    color: var(--text-secondary);
    border-bottom: 3px solid transparent;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    font-size: var(--text-sm);
}

.client-tab-header:hover {
    color: var(--text-primary);
    background: var(--surface-light);
}

.client-tab-header.active {
    color: var(--primary);
    border-bottom-color: var(--primary);
    background: var(--surface);
}

.client-tab-content {
    padding: var(--space-2xl);
    display: none;
    min-height: 400px;
}

.client-tab-content.active {
    display: block;
}

.tab-count {
    background: var(--primary);
    color: white;
    padding: 2px 8px;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 600;
}

/* Document Cards for Client Portal */
.client-document-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    margin-bottom: var(--space-lg);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.client-document-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(180deg, var(--primary), var(--secondary));
}

.client-document-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary);
}

.client-document-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--space-md);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.client-document-description {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: var(--space-lg);
    font-size: var(--text-base);
}

.client-document-meta {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-md);
    padding: var(--space-md);
    background: rgba(15, 23, 42, 0.3);
    border-radius: var(--radius);
    border: 1px solid var(--border);
}

.meta-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-sm) 0;
    border-bottom: 1px solid var(--border);
}

.meta-row:last-child {
    border-bottom: none;
}

.meta-label {
    font-weight: 600;
    color: var(--text-secondary);
    font-size: var(--text-sm);
}

.meta-value {
    font-weight: 500;
    color: var(--text-primary);
}

.amount-badge {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--success);
    background: rgba(16, 185, 129, 0.1);
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius);
    border: 1px solid rgba(16, 185, 129, 0.3);
}

/* Status Updates */
.status-update-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    margin-bottom: var(--space-lg);
    transition: var(--transition);
    position: relative;
}

.status-update-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--primary);
    border-radius: var(--radius-lg) 0 0 var(--radius-lg);
}

.status-update-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--space-md);
    flex-wrap: wrap;
    gap: var(--space-sm);
}

.status-update-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

.status-update-type {
    background: var(--primary);
    color: white;
    padding: var(--space-xs) var(--space-md);
    border-radius: var(--radius);
    font-size: var(--text-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.status-update-meta {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    color: var(--text-muted);
    font-size: var(--text-sm);
    margin-top: var(--space-sm);
}

.status-update-description {
    color: var(--text-secondary);
    line-height: 1.6;
    margin: 0;
}

/* Payment Status Badges for Client Portal */
.payment-status {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius);
    font-size: var(--text-sm);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.payment-status.unpaid {
    background: rgba(239, 68, 68, 0.1);
    color: #ef4444;
    border: 1px solid rgba(239, 68, 68, 0.3);
}

.payment-status.partially_paid {
    background: rgba(245, 158, 11, 0.1);
    color: #f59e0b;
    border: 1px solid rgba(245, 158, 11, 0.3);
}

.payment-status.paid {
    background: rgba(16, 185, 129, 0.1);
    color: #10b981;
    border: 1px solid rgba(16, 185, 129, 0.3);
}

.payment-status.payment_scheduled {
    background: rgba(6, 182, 212, 0.1);
    color: #06b6d4;
    border: 1px solid rgba(6, 182, 212, 0.3);
}

.payment-status.payment_preparing {
    background: rgba(139, 92, 246, 0.1);
    color: #8b5cf6;
    border: 1px solid rgba(139, 92, 246, 0.3);
}

/* Empty States for Client Portal */
.client-empty-state {
    text-align: center;
    padding: var(--space-2xl);
    color: var(--text-muted);
}

.client-empty-icon {
    font-size: 4rem;
    margin-bottom: var(--space-lg);
    opacity: 0.5;
}

.client-empty-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: var(--space-sm);
    color: var(--text-secondary);
}

.client-empty-description {
    font-size: var(--text-base);
    line-height: 1.5;
}

/* ===== ALERTS ===== */
.alert {
    padding: var(--space-lg);
    border-radius: var(--radius);
    margin-bottom: var(--space-lg);
    border-left: 4px solid transparent;
}

.alert-success {
    background: rgba(16, 185, 129, 0.1);
    border-color: var(--success);
    color: var(--success);
}

.alert-error {
    background: rgba(239, 68, 68, 0.1);
    border-color: var(--error);
    color: var(--error);
}

.alert-info {
    background: rgba(99, 102, 241, 0.1);
    border-color: var(--primary);
    color: var(--primary);
}

/* ===== DROPDOWNS ===== */
.dropdown {
    position: relative;
    display: inline-block;
}

.dropdown-toggle {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    right: 0;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-xl);
    min-width: 160px;
    z-index: 50;
    display: none;
    margin-top: var(--space-xs);
}

.dropdown:hover .dropdown-menu {
    display: block;
}

.dropdown-item {
    display: block;
    padding: var(--space-md);
    text-decoration: none;
    color: var(--text-primary);
    border-bottom: 1px solid var(--border);
    transition: var(--transition);
}

.dropdown-item:hover {
    background: var(--surface-light);
    color: var(--primary);
}

.dropdown-item:last-child {
    border-bottom: none;
}

/* ===== EMPTY STATES ===== */
.empty-state {
    text-align: center;
    padding: var(--space-2xl);
    color: var(--text-muted);
}

.empty-state-icon {
    font-size: 4rem;
    margin-bottom: var(--space-lg);
    opacity: 0.5;
}

/* ===== QUICK ACTIONS ===== */
.quick-actions {
    display: flex;
    gap: var(--space-sm);
    flex-wrap: wrap;
}

.quick-action-btn {
    padding: var(--space-sm) var(--space-md);
    background: var(--surface-light);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text-primary);
    text-decoration: none;
    font-size: var(--text-sm);
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.quick-action-btn:hover {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 768px) {
    .container {
        padding: 0 var(--space-sm);
    }
    
    .simple-header-content {
        flex-direction: column;
        gap: var(--space-md);
    }
    
    .simple-nav {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .page-header {
        text-align: center;
    }
    
    .table-container {
        overflow-x: auto;
    }
    
    .tab-headers {
        flex-direction: column;
    }
    
    .tab-header {
        border-bottom: 1px solid var(--border);
        border-left: 4px solid transparent;
    }
    
    .tab-header.active {
        border-left-color: var(--primary);
        border-bottom-color: var(--border);
    }
    
    .document-meta {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-sm);
    }
    
    .form-actions {
        flex-direction: column;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .action-grid {
        grid-template-columns: 1fr;
    }
    
    .quick-actions {
        flex-direction: column;
    }
    
    /* Client Portal Mobile */
    .client-portal-container {
        padding: var(--space-md);
    }
    
    .client-portal-header {
        padding: var(--space-xl);
    }
    
    .client-portal-title {
        font-size: 2rem;
    }
    
    .client-tab-headers {
        grid-template-columns: 1fr;
    }
    
    .client-tab-header {
        padding: var(--space-md);
        justify-content: flex-start;
    }
    
    .client-tab-content {
        padding: var(--space-lg);
    }
    
    .client-document-meta {
        grid-template-columns: 1fr;
    }
    
    .client-meta {
        flex-direction: column;
        gap: var(--space-md);
    }
    
    .meta-item {
        flex-direction: row;
        justify-content: space-between;
        width: 100%;
    }
    
    .status-update-header {
        flex-direction: column;
        align-items: flex-start;
    }
}

@media (max-width: 480px) {
    .main {
        padding: var(--space-lg) 0;
    }
    
    .page-title {
        font-size: var(--text-2xl);
    }
    
    .card-body {
        padding: var(--space-md);
    }
    
    .login-card {
        padding: var(--space-lg);
    }
    
    /* Client Portal Mobile Small */
    .client-portal-container {
        padding: var(--space-sm);
    }
    
    .client-portal-header {
        padding: var(--space-lg);
    }
    
    .client-portal-title {
        font-size: 1.75rem;
    }
    
    .client-tab-content {
        padding: var(--space-md);
    }
    
    .client-document-card {
        padding: var(--space-lg);
    }
    
    .amount-badge {
        font-size: 1.25rem;
    }
}