/* ============================================
   EnWo-CMS - Modern Admin Design
   ============================================ */

/* Google Fonts - Moderne Schrift */
@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700&display=swap');

/* CSS Variables - Farbschema */
:root {
    /* Primärfarben - Elegantes Blau-Violett */
    --primary-50: #eef2ff;
    --primary-100: #e0e7ff;
    --primary-200: #c7d2fe;
    --primary-300: #a5b4fc;
    --primary-400: #818cf8;
    --primary-500: #6366f1;
    --primary-600: #4f46e5;
    --primary-700: #4338ca;
    --primary-800: #3730a3;
    --primary-900: #312e81;
    
    /* Akzentfarben */
    --accent-cyan: #06b6d4;
    --accent-emerald: #10b981;
    --accent-amber: #f59e0b;
    --accent-rose: #f43f5e;
    
    /* Neutrale Farben */
    --gray-50: #f8fafc;
    --gray-100: #f1f5f9;
    --gray-200: #e2e8f0;
    --gray-300: #cbd5e1;
    --gray-400: #94a3b8;
    --gray-500: #64748b;
    --gray-600: #475569;
    --gray-700: #334155;
    --gray-800: #1e293b;
    --gray-900: #0f172a;
    --gray-950: #020617;
    
    /* Semantische Farben */
    --success: #10b981;
    --warning: #f59e0b;
    --error: #ef4444;
    --info: #06b6d4;
    
    /* Sidebar */
    --sidebar-bg: linear-gradient(180deg, #1e1b4b 0%, #312e81 100%);
    --sidebar-width: 280px;
    --header-height: 72px;
    
    /* Schatten */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    
    /* Animationen */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 200ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 300ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* ============================================
   Base Styles
   ============================================ */
* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    background: var(--gray-50);
    color: var(--gray-900);
    line-height: 1.6;
}

/* ============================================
   Login Page
   ============================================ */
.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #1e1b4b 0%, #312e81 50%, #4338ca 100%);
    position: relative;
    overflow: hidden;
}

/* Animated background shapes */
.login-page::before,
.login-page::after {
    content: '';
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.5;
    animation: float 20s infinite ease-in-out;
}

.login-page::before {
    width: 600px;
    height: 600px;
    background: linear-gradient(135deg, #818cf8, #06b6d4);
    top: -200px;
    right: -200px;
}

.login-page::after {
    width: 400px;
    height: 400px;
    background: linear-gradient(135deg, #f43f5e, #f59e0b);
    bottom: -100px;
    left: -100px;
    animation-delay: -10s;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    25% { transform: translate(20px, -20px) rotate(5deg); }
    50% { transform: translate(-10px, 10px) rotate(-5deg); }
    75% { transform: translate(15px, 15px) rotate(3deg); }
}

/* Login Card - Glassmorphism */
.login-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-radius: 24px;
    padding: 48px;
    width: 100%;
    max-width: 440px;
    box-shadow: 
        0 25px 50px -12px rgba(0, 0, 0, 0.25),
        0 0 0 1px rgba(255, 255, 255, 0.1);
    position: relative;
    z-index: 10;
    animation: slideUp 0.5s ease-out;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.login-logo {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, var(--primary-500), var(--primary-700));
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
    box-shadow: 0 8px 16px -4px rgba(99, 102, 241, 0.4);
}

.login-logo svg {
    width: 32px;
    height: 32px;
    color: white;
}

.login-title {
    font-size: 28px;
    font-weight: 700;
    color: var(--gray-900);
    text-align: center;
    margin-bottom: 8px;
}

.login-subtitle {
    color: var(--gray-500);
    text-align: center;
    margin-bottom: 32px;
}

/* Form Inputs */
.form-group {
    margin-bottom: 24px;
}

.form-label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: 8px;
}

.form-input {
    width: 100%;
    padding: 14px 16px;
    font-size: 15px;
    border: 2px solid var(--gray-200);
    border-radius: 12px;
    background: white;
    transition: all var(--transition-fast);
    outline: none;
}

.form-input:hover {
    border-color: var(--gray-300);
}

.form-input:focus {
    border-color: var(--primary-500);
    box-shadow: 0 0 0 4px var(--primary-100);
}

.form-input::placeholder {
    color: var(--gray-400);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 24px;
    font-size: 15px;
    font-weight: 600;
    border-radius: 12px;
    border: none;
    cursor: pointer;
    transition: all var(--transition-fast);
    outline: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-500), var(--primary-600));
    color: white;
    box-shadow: 0 4px 14px -4px rgba(99, 102, 241, 0.5);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-600), var(--primary-700));
    box-shadow: 0 6px 20px -4px rgba(99, 102, 241, 0.6);
    transform: translateY(-2px);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-primary:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.btn-full {
    width: 100%;
}

/* ============================================
   Sidebar
   ============================================ */
#sidebar {
    background: var(--sidebar-bg);
    width: var(--sidebar-width);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
}

/* Subtle pattern overlay */
#sidebar::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    pointer-events: none;
}

.sidebar-header {
    padding: 28px 24px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    position: relative;
    z-index: 1;
}

.sidebar-logo {
    display: flex;
    align-items: center;
}

.sidebar-logo-img {
    height: 36px;
    width: auto;
    letter-spacing: 2px;
    text-transform: uppercase;
}

/* Navigation */
.sidebar-nav {
    flex: 1;
    padding: 20px 16px;
    position: relative;
    z-index: 1;
}

.nav-section {
    margin-bottom: 24px;
}

.nav-section-title {
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: rgba(255, 255, 255, 0.4);
    padding: 0 12px;
    margin-bottom: 8px;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    border-radius: 12px;
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: all var(--transition-fast);
    position: relative;
    overflow: hidden;
}

.nav-link::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 3px;
    height: 0;
    background: linear-gradient(180deg, var(--primary-400), var(--accent-cyan));
    border-radius: 0 4px 4px 0;
    transition: height var(--transition-fast);
}

.nav-link:hover {
    background: rgba(255, 255, 255, 0.1);
    color: white;
}

.nav-link.active {
    background: rgba(255, 255, 255, 0.15);
    color: white;
}

.nav-link.active::before {
    height: 24px;
}

.nav-link svg,
.nav-link .nav-icon {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    opacity: 0.8;
}

.nav-link:hover svg,
.nav-link.active svg {
    opacity: 1;
}

/* ============================================
   Header
   ============================================ */
#header {
    height: var(--header-height);
    background: white;
    border-bottom: 1px solid var(--gray-200);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 32px;
    position: sticky;
    top: 0;
    z-index: 40;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 16px;
}

.page-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--gray-900);
}

.header-right {
    display: flex;
    align-items: center;
    gap: 16px;
}

/* User Menu */
.user-menu {
    position: relative;
}

.user-menu-button {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 8px 12px;
    border-radius: 12px;
    border: none;
    background: transparent;
    cursor: pointer;
    transition: background var(--transition-fast);
}

.user-menu-button:hover {
    background: var(--gray-100);
}

.user-avatar {
    width: 40px;
    height: 40px;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--primary-500), var(--primary-600));
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 600;
    font-size: 16px;
}

.user-info {
    text-align: left;
}

.user-name {
    font-size: 14px;
    font-weight: 600;
    color: var(--gray-900);
}

.user-role {
    font-size: 12px;
    color: var(--gray-500);
}

/* Dropdown Menu */
.dropdown-menu {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    width: 200px;
    background: white;
    border-radius: 12px;
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--gray-200);
    overflow: hidden;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-fast);
}

.dropdown-menu.open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    font-size: 14px;
    color: var(--gray-700);
    text-decoration: none;
    transition: background var(--transition-fast);
    cursor: pointer;
    border: none;
    background: none;
    width: 100%;
    text-align: left;
}

.dropdown-item:hover {
    background: var(--gray-50);
}

.dropdown-item.danger {
    color: var(--error);
}

.dropdown-divider {
    height: 1px;
    background: var(--gray-200);
    margin: 4px 0;
}

/* ============================================
   Main Content
   ============================================ */
#main-content {
    padding: 32px;
    min-height: calc(100vh - var(--header-height));
    background: var(--gray-50);
}

/* ============================================
   Dashboard Specific Styles
   ============================================ */
.dashboard-page {
    max-width: 1400px;
    margin: 0 auto;
}

.dashboard-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 32px;
    gap: 16px;
    flex-wrap: wrap;
}

.dashboard-header-left {
    flex: 1;
    min-width: 200px;
}

.dashboard-header-right {
    display: flex;
    gap: 12px;
}

.dashboard-title {
    font-size: 28px;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 4px;
}

.dashboard-subtitle {
    font-size: 15px;
    color: var(--gray-500);
}

.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
    gap: 24px;
    margin-bottom: 32px;
}

@media (max-width: 480px) {
    .dashboard-grid {
        grid-template-columns: 1fr;
    }
    
    .btn-text-desktop {
        display: none;
    }
}

/* Quick Actions */
.quick-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.quick-actions .btn {
    flex: 1 1 auto;
    min-width: 140px;
    justify-content: center;
}

@media (max-width: 640px) {
    .quick-actions {
        flex-direction: column;
    }
    
    .quick-actions .btn {
        width: 100%;
    }
}

/* Skeleton List */
.skeleton-list {
    display: flex;
    flex-direction: column;
}

.skeleton-list-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px 0;
    border-bottom: 1px solid var(--gray-100);
}

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

.skeleton-list-content {
    flex: 1;
}

.skeleton-text {
    height: 16px;
    width: 70%;
    margin-bottom: 8px;
}

.skeleton-text-sm {
    height: 12px;
    width: 40%;
}

/* Button Sizes */
.btn-sm {
    padding: 8px 14px;
    font-size: 13px;
}

.btn-lg {
    padding: 16px 28px;
    font-size: 16px;
}

/* List Items */
.list-item {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    padding: 16px 0;
    border-bottom: 1px solid var(--gray-100);
    transition: background var(--transition-fast);
}

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

.list-item:hover {
    background: var(--gray-50);
    margin: 0 -24px;
    padding: 16px 24px;
}

.list-item-content {
    flex: 1;
    min-width: 0;
}

.list-item-title {
    font-size: 15px;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 4px;
}

.list-item-meta {
    font-size: 13px;
    color: var(--gray-500);
}

/* Empty State Compact */
.empty-state-compact {
    text-align: center;
    padding: 32px 16px;
    color: var(--gray-500);
}

.empty-state-compact svg {
    width: 48px;
    height: 48px;
    margin: 0 auto 12px;
    opacity: 0.5;
}

/* ============================================
   Page Layout Components
   ============================================ */
.page-container {
    max-width: 1400px;
    margin: 0 auto;
}

.page-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 24px;
    gap: 16px;
    flex-wrap: wrap;
}

.page-header-left {
    flex: 1;
    min-width: 200px;
}

.page-header-right {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.page-title {
    font-size: 28px;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 4px;
}

.page-subtitle {
    font-size: 15px;
    color: var(--gray-500);
}

/* ============================================
   Filter Components
   ============================================ */
.filter-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    align-items: end;
}

.filter-grid-4 {
    grid-template-columns: repeat(4, 1fr);
}

.filter-actions {
    display: flex;
    align-items: flex-end;
}

.input-with-icon {
    position: relative;
}

.input-with-icon svg {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    width: 18px;
    height: 18px;
    color: var(--gray-400);
    pointer-events: none;
}

.input-with-icon .form-input {
    padding-left: 42px;
}

@media (max-width: 768px) {
    .filter-grid,
    .filter-grid-4 {
        grid-template-columns: 1fr;
    }
}

/* ============================================
   Table Components
   ============================================ */
.table-container {
    overflow-x: auto;
}

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

.table th,
.table td {
    padding: 14px 20px;
    text-align: left;
    border-bottom: 1px solid var(--gray-100);
}

.table th {
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--gray-500);
    background: var(--gray-50);
}

.table td {
    font-size: 14px;
    color: var(--gray-700);
}

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

.table tbody tr:hover {
    background: var(--gray-50);
}

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

.table-footer {
    padding: 16px 20px;
    border-top: 1px solid var(--gray-100);
    background: var(--gray-50);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* Skeleton Table */
.skeleton-table {
    padding: 16px 0;
}

.skeleton-row {
    display: flex;
    gap: 24px;
    padding: 16px 20px;
    border-bottom: 1px solid var(--gray-100);
}

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

/* ============================================
   Empty State
   ============================================ */
.empty-state {
    text-align: center;
    padding: 64px 24px;
}

.empty-state-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 24px;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1), rgba(6, 182, 212, 0.1));
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.empty-state-icon svg {
    width: 40px;
    height: 40px;
    color: var(--primary-500);
}

.empty-state-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 8px;
}

.empty-state-text {
    font-size: 15px;
    color: var(--gray-500);
    margin-bottom: 24px;
}

/* ============================================
   Media Library
   ============================================ */
.upload-card {
    margin-bottom: 24px;
}

.upload-zone {
    text-align: center;
    padding: 48px 24px;
    border: 2px dashed var(--gray-300);
    border-radius: 16px;
    background: var(--gray-50);
    transition: all var(--transition-fast);
    cursor: pointer;
}

.upload-zone:hover,
.upload-zone.drag-over {
    border-color: var(--primary-400);
    background: rgba(99, 102, 241, 0.05);
}

.upload-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 16px;
    background: linear-gradient(135deg, var(--primary-100), var(--accent-cyan-light, #cffafe));
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.upload-icon svg {
    width: 32px;
    height: 32px;
    color: var(--primary-600);
}

.upload-text {
    font-size: 16px;
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: 8px;
}

.upload-hint {
    font-size: 13px;
    color: var(--gray-500);
    margin-bottom: 16px;
}

.upload-progress {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-top: 16px;
}

.progress-bar {
    flex: 1;
    height: 8px;
    background: var(--gray-200);
    border-radius: 4px;
    overflow: hidden;
}

.progress-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-500), var(--accent-cyan));
    border-radius: 4px;
    transition: width 0.3s ease;
}

.progress-text {
    font-size: 13px;
    font-weight: 600;
    color: var(--gray-600);
    min-width: 40px;
}

.media-toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
}

.view-toggle {
    display: flex;
    gap: 4px;
    background: var(--gray-100);
    padding: 4px;
    border-radius: 10px;
}

.view-toggle .btn-icon {
    background: transparent;
}

.view-toggle .btn-icon.active {
    background: var(--white);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.media-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 16px;
}

.skeleton-media {
    aspect-ratio: 1;
    border-radius: 12px;
}

.media-item {
    position: relative;
    aspect-ratio: 1;
    border-radius: 12px;
    overflow: hidden;
    background: var(--gray-100);
    cursor: pointer;
    transition: transform var(--transition-fast);
}

.media-item:hover {
    transform: scale(1.02);
}

.media-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.media-item-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.7), transparent);
    opacity: 0;
    transition: opacity var(--transition-fast);
    display: flex;
    align-items: flex-end;
    padding: 12px;
}

.media-item:hover .media-item-overlay {
    opacity: 1;
}

.media-item-preview {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gray-100);
}

.media-item-preview img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.media-file-icon {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: var(--gray-400);
}

.media-file-icon svg {
    width: 40px;
    height: 40px;
}

.media-file-icon span {
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
}

.media-item-name {
    color: white;
    font-size: 12px;
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    flex: 1;
}

.media-item-actions {
    display: flex;
    gap: 4px;
}

.media-item-actions .btn-icon {
    width: 28px;
    height: 28px;
    background: rgba(255, 255, 255, 0.1);
    border: none;
    color: white;
}

.media-item-actions .btn-icon:hover {
    background: rgba(255, 255, 255, 0.2);
}

.media-item-actions .btn-icon.danger:hover {
    background: rgba(239, 68, 68, 0.8);
}

.media-item-info {
    position: absolute;
    top: 8px;
    right: 8px;
    padding: 4px 8px;
    background: rgba(0, 0, 0, 0.6);
    border-radius: 6px;
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.media-item:hover .media-item-info {
    opacity: 1;
}

.media-item-size {
    font-size: 11px;
    color: white;
    font-weight: 500;
}

/* Media List View */
.media-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.media-list .media-item {
    flex-direction: row;
    aspect-ratio: auto;
    height: 64px;
    border-radius: 8px;
}

.media-list .media-item-preview {
    width: 64px;
    height: 64px;
    flex-shrink: 0;
    border-radius: 8px 0 0 8px;
}

.media-list .media-item-overlay {
    position: static;
    background: none;
    opacity: 1;
    flex: 1;
    padding: 0 16px;
    align-items: center;
}

.media-list .media-item-info {
    position: static;
    opacity: 1;
    background: none;
    padding: 0 16px;
}

.media-list .media-item-size {
    color: var(--gray-500);
}

/* ============================================
   Profile Page
   ============================================ */
.profile-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 24px;
}

.profile-avatar-section {
    display: flex;
    align-items: center;
    gap: 20px;
    padding-bottom: 24px;
    margin-bottom: 24px;
    border-bottom: 1px solid var(--gray-100);
}

.profile-avatar {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-500), var(--accent-cyan));
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    font-weight: 700;
    color: white;
    flex-shrink: 0;
}

.profile-info {
    flex: 1;
}

.profile-name {
    font-size: 20px;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 4px;
}

.profile-email {
    font-size: 14px;
    color: var(--gray-500);
    margin-bottom: 8px;
}

.profile-form {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.form-hint {
    font-size: 12px;
    color: var(--gray-500);
    margin-top: 4px;
}

.form-actions {
    display: flex;
    justify-content: flex-end;
    gap: 12px;
    margin-top: 8px;
}

/* ============================================
   Settings Page
   ============================================ */
.settings-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    margin-bottom: 16px;
}

.settings-option {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 0;
    border-bottom: 1px solid var(--gray-100);
}

.settings-option:last-child {
    border-bottom: none;
}

.settings-option-info {
    flex: 1;
    padding-right: 16px;
}

.settings-option-title {
    font-size: 15px;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 4px;
}

.settings-option-description {
    font-size: 13px;
    color: var(--gray-500);
}

.toggle {
    position: relative;
    display: inline-block;
    width: 48px;
    height: 26px;
}

.toggle input {
    opacity: 0;
    width: 0;
    height: 0;
}

.toggle-slider {
    position: absolute;
    cursor: pointer;
    inset: 0;
    background: var(--gray-300);
    border-radius: 26px;
    transition: all 0.3s ease;
}

.toggle-slider:before {
    position: absolute;
    content: "";
    height: 20px;
    width: 20px;
    left: 3px;
    bottom: 3px;
    background: white;
    border-radius: 50%;
    transition: all 0.3s ease;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.toggle input:checked + .toggle-slider {
    background: linear-gradient(135deg, var(--primary-500), var(--accent-cyan));
}

.toggle input:checked + .toggle-slider:before {
    transform: translateX(22px);
}

.system-info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 16px;
}

.system-info-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.system-info-label {
    font-size: 12px;
    color: var(--gray-500);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.system-info-value {
    font-size: 15px;
    font-weight: 600;
    color: var(--gray-900);
}

/* ============================================
   Detail Pages
   ============================================ */
.back-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--gray-500);
    text-decoration: none;
    font-size: 14px;
    margin-bottom: 8px;
    transition: color var(--transition-fast);
}

.back-link:hover {
    color: var(--primary-500);
}

.back-link svg {
    width: 18px;
    height: 18px;
}

.detail-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 24px;
    margin-bottom: 24px;
}

.detail-list {
    display: flex;
    flex-direction: column;
}

.detail-item {
    display: flex;
    justify-content: space-between;
    padding: 12px 0;
    border-bottom: 1px solid var(--gray-100);
}

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

.detail-label {
    font-size: 14px;
    color: var(--gray-500);
}

.detail-value {
    font-size: 14px;
    font-weight: 500;
    color: var(--gray-900);
    text-align: right;
}

.detail-value-small {
    font-size: 12px;
    max-width: 200px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.detail-link {
    color: var(--primary-500);
    text-decoration: none;
}

.detail-link:hover {
    text-decoration: underline;
}

.stats-mini-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    text-align: center;
}

.stat-mini {
    padding: 16px;
    background: var(--gray-50);
    border-radius: 12px;
}

.stat-mini-value {
    font-size: 28px;
    font-weight: 700;
    color: var(--gray-900);
    display: block;
}

.stat-mini-label {
    font-size: 12px;
    color: var(--gray-500);
}

.action-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.action-buttons-vertical {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

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

.btn-success {
    background: linear-gradient(135deg, #10b981, #059669);
    color: white;
}

.btn-success:hover {
    background: linear-gradient(135deg, #059669, #047857);
}

.btn-warning {
    background: linear-gradient(135deg, #f59e0b, #d97706);
    color: white;
}

.btn-warning:hover {
    background: linear-gradient(135deg, #d97706, #b45309);
}

.btn-danger {
    background: linear-gradient(135deg, #ef4444, #dc2626);
    color: white;
}

.btn-danger:hover {
    background: linear-gradient(135deg, #dc2626, #b91c1c);
}

.skeleton-form {
    display: flex;
    flex-direction: column;
    gap: 16px;
    padding: 16px 0;
}

.fields-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.field-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: var(--gray-50);
    border-radius: 10px;
}

.field-item-icon {
    width: 36px;
    height: 36px;
    background: var(--white);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.field-item-icon svg {
    width: 18px;
    height: 18px;
    color: var(--primary-500);
}

.field-item-info {
    flex: 1;
}

.field-item-name {
    font-size: 14px;
    font-weight: 600;
    color: var(--gray-900);
}

.field-item-type {
    font-size: 12px;
    color: var(--gray-500);
}

.submission-data {
    display: flex;
    flex-direction: column;
}

.submission-field {
    display: flex;
    flex-direction: column;
    padding: 16px 0;
    border-bottom: 1px solid var(--gray-100);
}

.submission-field:last-child {
    border-bottom: none;
}

.submission-field-label {
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--gray-500);
    margin-bottom: 4px;
}

.submission-field-value {
    font-size: 15px;
    color: var(--gray-900);
}

.attachments-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: 12px;
}

.history-timeline {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.history-item {
    display: flex;
    gap: 12px;
}

.history-item-dot {
    width: 12px;
    height: 12px;
    background: var(--primary-500);
    border-radius: 50%;
    margin-top: 4px;
    flex-shrink: 0;
}

.history-item-content {
    flex: 1;
}

.history-item-text {
    font-size: 14px;
    color: var(--gray-900);
}

.history-item-date {
    font-size: 12px;
    color: var(--gray-500);
}

.text-muted {
    color: var(--gray-500);
    font-size: 14px;
}

/* Dark Mode for new pages */
[data-theme="dark"] .profile-avatar-section {
    border-color: var(--gray-200);
}

[data-theme="dark"] .settings-option {
    border-color: var(--gray-200);
}

[data-theme="dark"] .toggle-slider {
    background: var(--gray-400);
}

[data-theme="dark"] .stat-mini {
    background: var(--gray-100);
}

[data-theme="dark"] .field-item {
    background: var(--gray-100);
}

[data-theme="dark"] .field-item-icon {
    background: var(--gray-200);
}

/* ============================================
   Modules Grid
   ============================================ */
.modules-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 24px;
}

.module-card {
    position: relative;
    overflow: hidden;
}

.module-card-header {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    margin-bottom: 16px;
}

.module-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--primary-100), rgba(6, 182, 212, 0.2));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.module-icon svg {
    width: 24px;
    height: 24px;
    color: var(--primary-600);
}

.module-info {
    flex: 1;
    min-width: 0;
}

.module-name {
    font-size: 16px;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 4px;
}

.module-version {
    font-size: 12px;
    color: var(--gray-500);
}

.module-description {
    font-size: 14px;
    color: var(--gray-600);
    line-height: 1.6;
    margin-bottom: 16px;
}

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

.module-skeleton {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.skeleton-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
}

/* ============================================
   Form Builder
   ============================================ */
.form-builder-page {
    max-width: none;
}

.builder-grid {
    display: grid;
    grid-template-columns: 280px 1fr 280px;
    gap: 24px;
}

.builder-sidebar,
.builder-properties {
    position: sticky;
    top: 24px;
    max-height: calc(100vh - 180px);
    overflow-y: auto;
}

.builder-sidebar .card,
.builder-properties .card {
    margin-bottom: 16px;
}

.field-palette {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
}

.field-type {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 16px 12px;
    background: var(--gray-50);
    border: 1px solid var(--gray-200);
    border-radius: 12px;
    cursor: grab;
    transition: all var(--transition-fast);
}

.field-type:hover {
    background: white;
    border-color: var(--primary-400);
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.15);
}

.field-type:active {
    cursor: grabbing;
}

.field-type-icon {
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, var(--primary-100), rgba(6, 182, 212, 0.2));
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.field-type-icon svg {
    width: 18px;
    height: 18px;
    color: var(--primary-600);
}

.field-type-label {
    font-size: 12px;
    font-weight: 500;
    color: var(--gray-700);
}

.form-canvas {
    min-height: 400px;
    border: 2px dashed var(--gray-300);
    border-radius: 16px;
    padding: 24px;
    background: var(--gray-50);
    transition: all var(--transition-fast);
}

.form-canvas.drag-over {
    border-color: var(--primary-400);
    background: rgba(99, 102, 241, 0.05);
}

.canvas-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 300px;
    color: var(--gray-400);
}

.canvas-placeholder-icon {
    width: 64px;
    height: 64px;
    background: var(--gray-100);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
}

.canvas-placeholder-icon svg {
    width: 32px;
    height: 32px;
}

.canvas-placeholder-text {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 4px;
}

.canvas-placeholder-hint {
    font-size: 13px;
}

.properties-placeholder {
    text-align: center;
    padding: 32px 16px;
    color: var(--gray-400);
}

.properties-placeholder svg {
    width: 48px;
    height: 48px;
    margin: 0 auto 12px;
    opacity: 0.5;
}

.properties-placeholder p {
    font-size: 14px;
}

@media (max-width: 1200px) {
    .builder-grid {
        grid-template-columns: 260px 1fr;
    }
    
    .builder-properties {
        position: fixed;
        right: -300px;
        top: 0;
        bottom: 0;
        width: 300px;
        background: var(--white);
        box-shadow: -4px 0 24px rgba(0, 0, 0, 0.15);
        z-index: 100;
        padding: 24px;
        transition: right 0.3s ease;
    }
    
    .builder-properties.open {
        right: 0;
    }
}

@media (max-width: 768px) {
    .builder-grid {
        grid-template-columns: 1fr;
    }
    
    .builder-sidebar {
        position: static;
        max-height: none;
    }
}

/* Cards */
.card {
    background: white;
    border-radius: 16px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--gray-200);
    overflow: hidden;
}

.card-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--gray-100);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.card-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--gray-900);
}

.card-body {
    padding: 24px;
}

/* Stats Cards */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 24px;
    margin-bottom: 32px;
}

.stat-card {
    background: white;
    border-radius: 16px;
    padding: 24px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--gray-200);
    display: flex;
    align-items: flex-start;
    gap: 16px;
    transition: all var(--transition-fast);
}

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

.stat-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.stat-icon.primary {
    background: var(--primary-100);
    color: var(--primary-600);
}

.stat-icon.success {
    background: #d1fae5;
    color: var(--success);
}

.stat-icon.warning {
    background: #fef3c7;
    color: var(--warning);
}

.stat-icon.info {
    background: #cffafe;
    color: var(--info);
}

.stat-content {
    flex: 1;
}

.stat-value {
    font-size: 28px;
    font-weight: 700;
    color: var(--gray-900);
    line-height: 1.2;
}

.stat-label {
    font-size: 14px;
    color: var(--gray-500);
    margin-top: 4px;
}

/* ============================================
   Tables
   ============================================ */
.table-container {
    overflow-x: auto;
}

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

.table th {
    text-align: left;
    padding: 14px 16px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--gray-500);
    background: var(--gray-50);
    border-bottom: 1px solid var(--gray-200);
}

.table td {
    padding: 16px;
    font-size: 14px;
    color: var(--gray-700);
    border-bottom: 1px solid var(--gray-100);
}

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

.table tbody tr:hover {
    background: var(--gray-50);
}

/* Status Badges */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 12px;
    font-size: 12px;
    font-weight: 600;
    border-radius: 9999px;
}

.badge-success {
    background: #d1fae5;
    color: #065f46;
}

.badge-warning {
    background: #fef3c7;
    color: #92400e;
}

.badge-error {
    background: #fee2e2;
    color: #991b1b;
}

.badge-info {
    background: #e0f2fe;
    color: #0369a1;
}

/* ============================================
   Loading & Spinner
   ============================================ */
.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--gray-200);
    border-top-color: var(--primary-500);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.loading-overlay {
    position: fixed;
    inset: 0;
    background: rgba(255, 255, 255, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
}

/* ============================================
   Toast Notifications
   ============================================ */
.toast-container {
    position: fixed;
    top: 24px;
    right: 24px;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.toast {
    min-width: 320px;
    max-width: 420px;
    padding: 16px 20px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    gap: 12px;
    box-shadow: var(--shadow-lg);
    animation: toastIn 0.3s ease-out;
}

@keyframes toastIn {
    from {
        opacity: 0;
        transform: translateX(100%);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.toast.success {
    background: linear-gradient(135deg, #059669, #10b981);
    color: white;
}

.toast.error {
    background: linear-gradient(135deg, #dc2626, #ef4444);
    color: white;
}

.toast.warning {
    background: linear-gradient(135deg, #d97706, #f59e0b);
    color: white;
}

.toast.info {
    background: linear-gradient(135deg, #0284c7, #06b6d4);
    color: white;
}

.toast-icon {
    width: 24px;
    height: 24px;
    flex-shrink: 0;
}

.toast-message {
    flex: 1;
    font-size: 14px;
    font-weight: 500;
}

/* ============================================
   Sidebar Collapsed State (Desktop)
   ============================================ */
#sidebar.collapsed {
    width: 72px;
}

#sidebar.collapsed .nav-link span,
#sidebar.collapsed .nav-section-title {
    display: none;
}

#sidebar.collapsed .sidebar-logo {
    justify-content: center;
    padding: 0;
}

#sidebar.collapsed .sidebar-logo-img {
    height: 28px;
}

#sidebar.collapsed .nav-link {
    justify-content: center;
    padding: 12px;
}

#sidebar.collapsed .nav-icon {
    margin-right: 0;
}

#sidebar.collapsed + div {
    margin-left: 72px;
}

#sidebar.collapsed + div #header {
    left: 72px;
}

/* Tooltip für collapsed sidebar */
#sidebar.collapsed .nav-link {
    position: relative;
}

#sidebar.collapsed .nav-link::after {
    content: attr(data-tooltip);
    position: absolute;
    left: 100%;
    top: 50%;
    transform: translateY(-50%);
    background: var(--gray-900);
    color: white;
    padding: 6px 12px;
    border-radius: 6px;
    font-size: 13px;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: all 0.2s ease;
    margin-left: 8px;
    z-index: 100;
}

#sidebar.collapsed .nav-link:hover::after {
    opacity: 1;
    visibility: visible;
}

[data-theme="dark"] #sidebar.collapsed .nav-link::after {
    background: var(--gray-100);
    color: var(--gray-900);
}

/* Transition for sidebar */
#sidebar {
    transition: width var(--transition-slow);
}

/* ============================================
   Responsive Design
   ============================================ */
@media (max-width: 1024px) {
    :root {
        --sidebar-width: 240px;
    }
}

@media (max-width: 768px) {
    /* Reset collapsed state on mobile */
    #sidebar.collapsed {
        width: var(--sidebar-width);
    }
    
    #sidebar.collapsed .nav-link span,
    #sidebar.collapsed .nav-section-title {
        display: block;
    }
    
    #sidebar.collapsed .nav-link {
        justify-content: flex-start;
        padding: 12px 16px;
    }
    
    #sidebar.collapsed .nav-icon {
        margin-right: 12px;
    }
    
    #sidebar.collapsed .sidebar-logo {
        justify-content: flex-start;
    }
    :root {
        --sidebar-width: 280px;
        --header-height: 64px;
    }
    
    #sidebar {
        position: fixed;
        left: 0;
        top: 0;
        height: 100vh;
        z-index: 50;
        transform: translateX(-100%);
        transition: transform var(--transition-slow);
    }
    
    #sidebar.open {
        transform: translateX(0);
    }
    
    #sidebar-overlay {
        display: none;
        position: fixed;
        inset: 0;
        background: rgba(0, 0, 0, 0.5);
        z-index: 40;
        opacity: 0;
        transition: opacity var(--transition-slow);
    }
    
    #sidebar-overlay.open {
        display: block;
        opacity: 1;
    }
    
    #main-content {
        padding: 20px;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .login-card {
        margin: 20px;
        padding: 32px 24px;
    }
}

/* ============================================
   Dark Mode
   ============================================ */
[data-theme="dark"] {
    --gray-50: #0f172a;
    --gray-100: #1e293b;
    --gray-200: #334155;
    --gray-300: #475569;
    --gray-400: #64748b;
    --gray-500: #94a3b8;
    --gray-600: #cbd5e1;
    --gray-700: #e2e8f0;
    --gray-800: #f1f5f9;
    --gray-900: #f8fafc;
    --gray-950: #ffffff;
    
    --sidebar-bg: linear-gradient(180deg, #0f0d1a 0%, #1a1733 100%);
}

[data-theme="dark"] body {
    background: var(--gray-50);
    color: var(--gray-900);
}

[data-theme="dark"] #header {
    background: var(--gray-100);
    border-color: var(--gray-200);
}

[data-theme="dark"] .card,
[data-theme="dark"] .stat-card {
    background: var(--gray-100);
    border-color: var(--gray-200);
}

[data-theme="dark"] .form-input {
    background: var(--gray-100);
    border-color: var(--gray-200);
    color: var(--gray-900);
}

[data-theme="dark"] .dropdown-menu {
    background: var(--gray-100);
    border-color: var(--gray-200);
}

[data-theme="dark"] .table th {
    background: var(--gray-100);
}

[data-theme="dark"] #main-content {
    background: var(--gray-50);
}

[data-theme="dark"] .stat-icon.primary {
    background: rgba(99, 102, 241, 0.2);
}

[data-theme="dark"] .stat-icon.success {
    background: rgba(16, 185, 129, 0.2);
}

[data-theme="dark"] .stat-icon.warning {
    background: rgba(245, 158, 11, 0.2);
}

[data-theme="dark"] .stat-icon.info {
    background: rgba(6, 182, 212, 0.2);
}

[data-theme="dark"] .badge-success {
    background: rgba(16, 185, 129, 0.2);
    color: #34d399;
}

[data-theme="dark"] .badge-warning {
    background: rgba(245, 158, 11, 0.2);
    color: #fbbf24;
}

[data-theme="dark"] .badge-error {
    background: rgba(239, 68, 68, 0.2);
    color: #f87171;
}

[data-theme="dark"] .badge-info {
    background: rgba(6, 182, 212, 0.2);
    color: #22d3ee;
}

[data-theme="dark"] .skeleton {
    background: linear-gradient(
        90deg,
        var(--gray-200) 25%,
        var(--gray-300) 50%,
        var(--gray-200) 75%
    );
}

[data-theme="dark"] .list-item:hover {
    background: var(--gray-100);
}

[data-theme="dark"] .table th {
    background: var(--gray-100);
    color: var(--gray-400);
}

[data-theme="dark"] .table td {
    color: var(--gray-300);
}

[data-theme="dark"] .table tbody tr:hover {
    background: var(--gray-100);
}

[data-theme="dark"] .table-footer {
    background: var(--gray-100);
    border-color: var(--gray-200);
}

[data-theme="dark"] .upload-zone {
    background: var(--gray-100);
    border-color: var(--gray-300);
}

[data-theme="dark"] .upload-zone:hover,
[data-theme="dark"] .upload-zone.drag-over {
    background: rgba(99, 102, 241, 0.1);
}

[data-theme="dark"] .form-canvas {
    background: var(--gray-100);
    border-color: var(--gray-300);
}

[data-theme="dark"] .form-canvas.drag-over {
    background: rgba(99, 102, 241, 0.1);
}

[data-theme="dark"] .field-type {
    background: var(--gray-100);
    border-color: var(--gray-200);
}

[data-theme="dark"] .field-type:hover {
    background: var(--gray-50);
    border-color: var(--primary-400);
}

[data-theme="dark"] .canvas-placeholder-icon {
    background: var(--gray-200);
}

[data-theme="dark"] .view-toggle {
    background: var(--gray-200);
}

[data-theme="dark"] .view-toggle .btn-icon.active {
    background: var(--gray-100);
}

[data-theme="dark"] .empty-state-icon {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.2), rgba(6, 182, 212, 0.2));
}

[data-theme="dark"] .progress-bar {
    background: var(--gray-300);
}

/* Dark Mode - Buttons */
[data-theme="dark"] .btn-secondary {
    background: var(--gray-200);
    color: var(--gray-900);
    border-color: var(--gray-300);
}

[data-theme="dark"] .btn-secondary:hover {
    background: var(--gray-300);
    border-color: var(--gray-400);
}

[data-theme="dark"] .btn-secondary svg {
    color: var(--gray-800);
}

/* Dark Mode - Quick Actions */
[data-theme="dark"] .quick-actions .btn-secondary {
    background: var(--gray-200);
    color: var(--gray-900);
    border-color: var(--gray-300);
}

[data-theme="dark"] .quick-actions .btn-secondary:hover {
    background: var(--gray-300);
    border-color: var(--primary-400);
    color: var(--gray-950);
}

/* Dark Mode - Card Header Links */
[data-theme="dark"] .card-header .btn-secondary,
[data-theme="dark"] .card-header .btn-sm {
    background: rgba(99, 102, 241, 0.15);
    color: var(--primary-300);
    border-color: rgba(99, 102, 241, 0.3);
}

[data-theme="dark"] .card-header .btn-secondary:hover,
[data-theme="dark"] .card-header .btn-sm:hover {
    background: rgba(99, 102, 241, 0.25);
    color: var(--primary-200);
    border-color: var(--primary-400);
}

[data-theme="dark"] .card-header .btn-secondary svg,
[data-theme="dark"] .card-header .btn-sm svg {
    color: var(--primary-300);
}

/* Dark Mode - Card Title */
[data-theme="dark"] .card-title {
    color: var(--gray-900);
}

/* Dark Mode - Dashboard Subtitle */
[data-theme="dark"] .dashboard-subtitle {
    color: var(--gray-500);
}

/* Dark Mode - Stat Labels */
[data-theme="dark"] .stat-label {
    color: var(--gray-500);
}

/* Dark Mode - Empty State */
[data-theme="dark"] .empty-state p,
[data-theme="dark"] .empty-state-text {
    color: var(--gray-500);
}

/* Dark Mode - List Items */
[data-theme="dark"] .list-item-title {
    color: var(--gray-900);
}

[data-theme="dark"] .list-item-subtitle,
[data-theme="dark"] .list-item-meta {
    color: var(--gray-500);
}

/* Theme Toggle Button */
.theme-toggle {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    border: none;
    background: var(--gray-100);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.theme-toggle:hover {
    background: var(--gray-200);
    transform: scale(1.05);
}

.theme-toggle svg {
    width: 20px;
    height: 20px;
    color: var(--gray-600);
    transition: transform 0.3s ease;
}

.theme-toggle:hover svg {
    transform: rotate(15deg);
}

/* ============================================
   Skeleton Loading
   ============================================ */
.skeleton {
    background: linear-gradient(
        90deg,
        var(--gray-200) 25%,
        var(--gray-100) 50%,
        var(--gray-200) 75%
    );
    background-size: 200% 100%;
    animation: skeleton-shimmer 1.5s infinite;
    border-radius: 8px;
}

@keyframes skeleton-shimmer {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

.skeleton-text {
    height: 16px;
    width: 100%;
    margin-bottom: 8px;
}

.skeleton-text:last-child {
    width: 60%;
}

.skeleton-avatar {
    width: 48px;
    height: 48px;
    border-radius: 12px;
}

.skeleton-stat {
    height: 36px;
    width: 80px;
}

.skeleton-card {
    padding: 24px;
    background: white;
    border-radius: 16px;
    border: 1px solid var(--gray-200);
}

/* ============================================
   Enhanced Animations
   ============================================ */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

@keyframes bounceIn {
    0% { transform: scale(0.3); opacity: 0; }
    50% { transform: scale(1.05); }
    70% { transform: scale(0.9); }
    100% { transform: scale(1); opacity: 1; }
}

.animate-fade-in-up {
    animation: fadeInUp 0.5s ease-out forwards;
}

.animate-fade-in-left {
    animation: fadeInLeft 0.5s ease-out forwards;
}

.animate-scale-in {
    animation: scaleIn 0.3s ease-out forwards;
}

.animate-bounce-in {
    animation: bounceIn 0.5s ease-out forwards;
}

/* Staggered animation delays */
.stagger-1 { animation-delay: 0.1s; opacity: 0; }
.stagger-2 { animation-delay: 0.2s; opacity: 0; }
.stagger-3 { animation-delay: 0.3s; opacity: 0; }
.stagger-4 { animation-delay: 0.4s; opacity: 0; }
.stagger-5 { animation-delay: 0.5s; opacity: 0; }

/* ============================================
   Enhanced Cards
   ============================================ */
.stat-card {
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-400), var(--accent-cyan));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s ease;
}

.stat-card:hover::before {
    transform: scaleX(1);
}

.stat-card.success::before {
    background: linear-gradient(90deg, var(--success), var(--accent-emerald));
}

.stat-card.warning::before {
    background: linear-gradient(90deg, var(--warning), var(--accent-amber));
}

.stat-card.info::before {
    background: linear-gradient(90deg, var(--info), var(--accent-cyan));
}

/* Glassmorphism Card Variant */
.card-glass {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

[data-theme="dark"] .card-glass {
    background: rgba(30, 41, 59, 0.7);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

/* ============================================
   Enhanced Buttons
   ============================================ */
.btn-secondary {
    background: white;
    color: var(--gray-700);
    border: 2px solid var(--gray-200);
    box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
    border-color: var(--gray-300);
    background: var(--gray-50);
    transform: translateY(-2px);
}

.btn-success {
    background: linear-gradient(135deg, var(--success), #059669);
    color: white;
    box-shadow: 0 4px 14px -4px rgba(16, 185, 129, 0.5);
}

.btn-success:hover {
    box-shadow: 0 6px 20px -4px rgba(16, 185, 129, 0.6);
    transform: translateY(-2px);
}

.btn-danger {
    background: linear-gradient(135deg, var(--error), #dc2626);
    color: white;
    box-shadow: 0 4px 14px -4px rgba(239, 68, 68, 0.5);
}

.btn-danger:hover {
    box-shadow: 0 6px 20px -4px rgba(239, 68, 68, 0.6);
    transform: translateY(-2px);
}

/* Icon Button */
.btn-icon {
    width: 44px;
    height: 44px;
    padding: 0;
    border-radius: 12px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.btn-icon svg {
    width: 20px;
    height: 20px;
}

/* Button with ripple effect */
.btn-ripple {
    position: relative;
    overflow: hidden;
}

.btn-ripple::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    pointer-events: none;
    background-image: radial-gradient(circle, rgba(255, 255, 255, 0.3) 10%, transparent 10%);
    background-repeat: no-repeat;
    background-position: 50%;
    transform: scale(10);
    opacity: 0;
    transition: transform 0.5s, opacity 0.5s;
}

.btn-ripple:active::after {
    transform: scale(0);
    opacity: 1;
    transition: 0s;
}

/* ============================================
   Enhanced Form Elements
   ============================================ */
.form-group {
    position: relative;
}

.form-input-icon {
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--gray-400);
    pointer-events: none;
    transition: color var(--transition-fast);
}

.form-input.has-icon {
    padding-left: 48px;
}

.form-input:focus + .form-input-icon,
.form-input:focus ~ .form-input-icon {
    color: var(--primary-500);
}

/* Floating Label */
.form-floating {
    position: relative;
}

.form-floating .form-input {
    padding-top: 24px;
    padding-bottom: 8px;
}

.form-floating .form-label {
    position: absolute;
    top: 50%;
    left: 16px;
    transform: translateY(-50%);
    transition: all var(--transition-fast);
    pointer-events: none;
    margin: 0;
    color: var(--gray-400);
}

.form-floating .form-input:focus ~ .form-label,
.form-floating .form-input:not(:placeholder-shown) ~ .form-label {
    top: 12px;
    font-size: 11px;
    color: var(--primary-500);
}

/* Checkbox & Radio */
.form-check {
    display: flex;
    align-items: center;
    gap: 12px;
    cursor: pointer;
}

.form-check-input {
    width: 20px;
    height: 20px;
    border: 2px solid var(--gray-300);
    border-radius: 6px;
    appearance: none;
    cursor: pointer;
    transition: all var(--transition-fast);
    position: relative;
}

.form-check-input:checked {
    background: var(--primary-500);
    border-color: var(--primary-500);
}

.form-check-input:checked::after {
    content: '';
    position: absolute;
    left: 6px;
    top: 2px;
    width: 5px;
    height: 10px;
    border: solid white;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

.form-check-input[type="radio"] {
    border-radius: 50%;
}

.form-check-input[type="radio"]:checked::after {
    width: 8px;
    height: 8px;
    background: white;
    border: none;
    border-radius: 50%;
    left: 4px;
    top: 4px;
    transform: none;
}

/* ============================================
   Empty States
   ============================================ */
.empty-state {
    text-align: center;
    padding: 60px 40px;
}

.empty-state-icon {
    width: 80px;
    height: 80px;
    background: var(--gray-100);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
}

.empty-state-icon svg {
    width: 40px;
    height: 40px;
    color: var(--gray-400);
}

.empty-state-title {
    font-size: 20px;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 8px;
}

.empty-state-description {
    color: var(--gray-500);
    margin-bottom: 24px;
    max-width: 400px;
    margin-left: auto;
    margin-right: auto;
}

/* ============================================
   Progress Bar
   ============================================ */
.progress {
    height: 8px;
    background: var(--gray-200);
    border-radius: 9999px;
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-400), var(--primary-600));
    border-radius: 9999px;
    transition: width 0.5s ease;
}

.progress-bar.success {
    background: linear-gradient(90deg, #34d399, var(--success));
}

.progress-bar.warning {
    background: linear-gradient(90deg, #fbbf24, var(--warning));
}

.progress-bar.danger {
    background: linear-gradient(90deg, #f87171, var(--error));
}

/* ============================================
   Tooltips
   ============================================ */
[data-tooltip] {
    position: relative;
}

[data-tooltip]::before {
    content: attr(data-tooltip);
    position: absolute;
    bottom: calc(100% + 8px);
    left: 50%;
    transform: translateX(-50%);
    padding: 8px 12px;
    background: var(--gray-900);
    color: white;
    font-size: 12px;
    font-weight: 500;
    border-radius: 8px;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-fast);
    z-index: 100;
}

[data-tooltip]::after {
    content: '';
    position: absolute;
    bottom: calc(100% + 2px);
    left: 50%;
    transform: translateX(-50%);
    border: 6px solid transparent;
    border-top-color: var(--gray-900);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-fast);
}

[data-tooltip]:hover::before,
[data-tooltip]:hover::after {
    opacity: 1;
    visibility: visible;
}

/* ============================================
   Notification Badge
   ============================================ */
.notification-badge {
    position: relative;
}

.notification-badge::after {
    content: attr(data-count);
    position: absolute;
    top: -6px;
    right: -6px;
    min-width: 20px;
    height: 20px;
    padding: 0 6px;
    background: var(--error);
    color: white;
    font-size: 11px;
    font-weight: 600;
    border-radius: 9999px;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: bounceIn 0.3s ease-out;
}

/* ============================================
   Avatar Group
   ============================================ */
.avatar-group {
    display: flex;
    flex-direction: row-reverse;
}

.avatar-group .user-avatar {
    border: 3px solid white;
    margin-left: -12px;
    transition: transform var(--transition-fast);
}

.avatar-group .user-avatar:hover {
    transform: translateY(-4px);
    z-index: 10;
}

.avatar-group .user-avatar:last-child {
    margin-left: 0;
}

/* ============================================
   Data Visualization
   ============================================ */
.chart-container {
    position: relative;
    height: 300px;
}

.trend-indicator {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 13px;
    font-weight: 600;
    padding: 4px 8px;
    border-radius: 6px;
}

.trend-indicator.up {
    background: #d1fae5;
    color: #065f46;
}

.trend-indicator.down {
    background: #fee2e2;
    color: #991b1b;
}

.trend-indicator svg {
    width: 14px;
    height: 14px;
}

/* ============================================
   Page Transitions
   ============================================ */
.page-enter {
    opacity: 0;
    transform: translateY(10px);
}

.page-enter-active {
    opacity: 1;
    transform: translateY(0);
    transition: all 0.3s ease-out;
}

.page-exit {
    opacity: 1;
}

.page-exit-active {
    opacity: 0;
    transition: opacity 0.2s ease-in;
}

/* ============================================
   Focus Visible (Accessibility)
   ============================================ */
:focus-visible {
    outline: 2px solid var(--primary-500);
    outline-offset: 2px;
}

button:focus:not(:focus-visible),
a:focus:not(:focus-visible) {
    outline: none;
}

/* Skip Link */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--primary-600);
    color: white;
    padding: 8px 16px;
    z-index: 100;
    transition: top 0.3s;
}

.skip-link:focus {
    top: 0;
}

/* ============================================
   Utility Classes
   ============================================ */
.hidden { display: none !important; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }

/* Spacing */
.mt-1 { margin-top: 4px; }
.mt-2 { margin-top: 8px; }
.mt-4 { margin-top: 16px; }
.mt-6 { margin-top: 24px; }
.mt-8 { margin-top: 32px; }
.mb-1 { margin-bottom: 4px; }
.mb-2 { margin-bottom: 8px; }
.mb-4 { margin-bottom: 16px; }
.mb-6 { margin-bottom: 24px; }
.mb-8 { margin-bottom: 32px; }
.gap-2 { gap: 8px; }
.gap-4 { gap: 16px; }
.gap-6 { gap: 24px; }

/* Flexbox */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.flex-wrap { flex-wrap: wrap; }
.flex-1 { flex: 1; }

/* Grid */
.grid { display: grid; }
.grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid-cols-4 { grid-template-columns: repeat(4, 1fr); }

/* Text */
.text-center { text-align: center; }
.text-sm { font-size: 14px; }
.text-lg { font-size: 18px; }
.text-xl { font-size: 20px; }
.text-2xl { font-size: 24px; }
.font-medium { font-weight: 500; }
.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }
.text-gray-500 { color: var(--gray-500); }
.text-gray-600 { color: var(--gray-600); }
.text-primary { color: var(--primary-500); }
.text-success { color: var(--success); }
.text-warning { color: var(--warning); }
.text-error { color: var(--error); }

/* Backgrounds */
.bg-primary { background-color: var(--primary-500); }
.bg-success { background-color: var(--success); }
.bg-warning { background-color: var(--warning); }
.bg-error { background-color: var(--error); }

/* Borders */
.rounded { border-radius: 8px; }
.rounded-lg { border-radius: 12px; }
.rounded-xl { border-radius: 16px; }
.rounded-full { border-radius: 9999px; }
.border { border: 1px solid var(--gray-200); }

/* Shadows */
.shadow-sm { box-shadow: var(--shadow-sm); }
.shadow-md { box-shadow: var(--shadow-md); }
.shadow-lg { box-shadow: var(--shadow-lg); }

/* Width/Height */
.w-full { width: 100%; }
.h-full { height: 100%; }
.min-h-screen { min-height: 100vh; }

/* Overflow */
.overflow-hidden { overflow: hidden; }
.overflow-auto { overflow: auto; }

/* Cursor */
.cursor-pointer { cursor: pointer; }

/* Opacity */
.opacity-50 { opacity: 0.5; }
.opacity-75 { opacity: 0.75; }

/* Transitions */
.transition { transition: all var(--transition-fast); }
.transition-slow { transition: all var(--transition-slow); }

/* Hover Effects */
.hover\:scale-105:hover { transform: scale(1.05); }
.hover\:shadow-lg:hover { box-shadow: var(--shadow-lg); }

/* ============================================
   Print Styles
   ============================================ */
@media print {
    #sidebar,
    #header,
    .no-print {
        display: none !important;
    }
    
    #main-content {
        margin: 0;
        padding: 0;
    }
    
    .card {
        box-shadow: none;
        border: 1px solid #ddd;
    }
}

/* ============================================
   Loading Screen
   ============================================ */
.loading-screen {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    gap: 16px;
}

.loading-spinner {
    width: 48px;
    height: 48px;
    border: 4px solid var(--gray-200);
    border-top-color: var(--primary-500);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.error-screen {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 24px;
    text-align: center;
    color: var(--error);
}

.error-screen h2 {
    color: var(--error);
    margin-bottom: 8px;
}

.error-screen p {
    color: var(--gray-600);
}

/* ============================================
   Additional Tailwind Replacements
   ============================================ */
.p-6 { padding: 24px; }
.text-red-600 { color: var(--error); }
.text-xl { font-size: 20px; }
.font-bold { font-weight: 700; }

/* ============================================
   Performance Optimizations
   ============================================ */

/* Reduce repaints */
.card, .btn, .nav-link {
    will-change: transform;
}

/* GPU acceleration for animations */
.animate-fade-in,
.animate-slide-up,
.animate-scale-in {
    transform: translateZ(0);
    backface-visibility: hidden;
}

/* Optimize font rendering */
body {
    text-rendering: optimizeLegibility;
}

/* Contain layout shifts */
.card {
    contain: layout style;
}

img, svg {
    content-visibility: auto;
}