/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Colors */
    --primary-color: #3B82F6;
    --primary-dark: #2563EB;
    --secondary-color: #6B7280;
    --success-color: #10B981;
    --warning-color: #F59E0B;
    --danger-color: #EF4444;
    --info-color: #06B6D4;
    
    /* Background Colors */
    --bg-primary: #FFFFFF;
    --bg-secondary: #F8FAFC;
    --bg-tertiary: #F1F5F9;
    --bg-card: #FFFFFF;
    --bg-overlay: rgba(0, 0, 0, 0.5);
    
    /* Text Colors */
    --text-primary: #1F2937;
    --text-secondary: #6B7280;
    --text-tertiary: #9CA3AF;
    --text-white: #FFFFFF;
    
    /* Border Colors */
    --border-light: #E5E7EB;
    --border-medium: #D1D5DB;
    --border-dark: #9CA3AF;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --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);
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    
    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    
    /* Transitions */
    --transition-fast: 0.15s ease-in-out;
    --transition-normal: 0.3s ease-in-out;
    --transition-slow: 0.5s ease-in-out;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

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

/* Header */
.header {
    background: var(--bg-primary);
    border-bottom: 1px solid var(--border-light);
    padding: var(--spacing-md) var(--spacing-xl);
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow-sm);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--primary-color);
}

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

.header-center {
    flex: 1;
    text-align: center;
}

.page-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
}

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

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

.icon-btn {
    background: none;
    border: none;
    padding: var(--spacing-sm);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition-fast);
    color: var(--text-secondary);
    position: relative;
}

.icon-btn:hover {
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
}

.notification-btn .notification-badge {
    position: absolute;
    top: 0;
    right: 0;
    background: var(--danger-color);
    color: var(--text-white);
    font-size: 0.75rem;
    padding: 0.125rem 0.375rem;
    border-radius: 1rem;
    min-width: 1.25rem;
    text-align: center;
}

.language-selector select {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 0.875rem;
    cursor: pointer;
}

.user-menu {
    position: relative;
}

.user-avatar {
    background: none;
    border: none;
    cursor: pointer;
    border-radius: 50%;
    overflow: hidden;
    width: 2.5rem;
    height: 2.5rem;
}

.user-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.user-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    background: var(--bg-primary);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    padding: var(--spacing-sm);
    min-width: 10rem;
    display: none;
    z-index: 1000;
}

.user-dropdown.show {
    display: block;
}

.user-dropdown a {
    display: block;
    padding: var(--spacing-sm) var(--spacing-md);
    text-decoration: none;
    color: var(--text-primary);
    border-radius: var(--radius-md);
    transition: var(--transition-fast);
}

.user-dropdown a:hover {
    background-color: var(--bg-tertiary);
}

/* Main Content */
.main-content {
    flex: 1;
    padding: var(--spacing-xl);
    padding-bottom: 6rem; /* Space for bottom nav */
}

.welcome-section {
    margin-bottom: var(--spacing-2xl);
}

.welcome-title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.welcome-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
}

/* Dashboard Grid */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
    max-width: 1400px;
    margin: 0 auto;
}

/* Card Styles */
.card {
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-light);
    transition: var(--transition-normal);
}

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

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-lg);
}

.card-header h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
}

/* Summary Card */
.summary-card {
    grid-column: span 2;
}

.summary-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.stat-item {
    text-align: center;
}

.stat-icon {
    width: 3rem;
    height: 3rem;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-sm);
    font-size: 1.25rem;
}

.stat-icon.pending {
    background: #FEF3C7;
    color: var(--warning-color);
}

.stat-icon.completed {
    background: #D1FAE5;
    color: var(--success-color);
}

.stat-icon.upcoming {
    background: #DBEAFE;
    color: var(--primary-color);
}

.stat-icon.progress {
    background: #FEF3C7;
    color: var(--warning-color);
}

.stat-value {
    font-size: 1.875rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.progress-section {
    border-top: 1px solid var(--border-light);
    padding-top: var(--spacing-lg);
}

.progress-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
}

.progress-value {
    font-weight: 600;
    color: var(--primary-color);
}

.progress-bar {
    height: 0.5rem;
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), var(--primary-dark));
    border-radius: var(--radius-md);
    transition: width var(--transition-normal);
}

/* Tasks Card */
.tasks-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.task-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    transition: var(--transition-fast);
    cursor: pointer;
}

.task-item:hover {
    border-color: var(--primary-color);
    background: var(--bg-secondary);
}

.task-checkbox {
    width: 1.25rem;
    height: 1.25rem;
    border: 2px solid var(--border-medium);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition-fast);
}

.task-checkbox.checked {
    background: var(--success-color);
    border-color: var(--success-color);
}

.task-content {
    flex: 1;
}

.task-title {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.task-description {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xs);
}

.task-meta {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    font-size: 0.75rem;
}

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

.task-category {
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    padding: 0.125rem var(--spacing-sm);
    border-radius: var(--radius-sm);
}

.task-priority {
    padding: 0.125rem var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-weight: 500;
    text-transform: uppercase;
    font-size: 0.625rem;
}

.task-priority.high {
    background: #FEE2E2;
    color: var(--danger-color);
}

.task-priority.medium {
    background: #FEF3C7;
    color: var(--warning-color);
}

.task-priority.low {
    background: #D1FAE5;
    color: var(--success-color);
}

/* Calendar Card */
.calendar-container {
    max-width: 100%;
}

.calendar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-lg);
}

.calendar-nav {
    background: none;
    border: none;
    padding: var(--spacing-sm);
    border-radius: var(--radius-md);
    cursor: pointer;
    color: var(--text-secondary);
    transition: var(--transition-fast);
}

.calendar-nav:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.calendar-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
}

.calendar-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 1px;
    background: var(--border-light);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.calendar-day {
    background: var(--bg-primary);
    padding: var(--spacing-sm);
    text-align: center;
    font-size: 0.875rem;
    cursor: pointer;
    transition: var(--transition-fast);
    min-height: 2.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.calendar-day:hover {
    background: var(--bg-secondary);
}

.calendar-day.today {
    background: var(--primary-color);
    color: var(--text-white);
}

.calendar-day.has-tasks {
    position: relative;
}

.calendar-day.has-tasks::after {
    content: '';
    position: absolute;
    bottom: 0.25rem;
    left: 50%;
    transform: translateX(-50%);
    width: 0.25rem;
    height: 0.25rem;
    background: var(--primary-color);
    border-radius: 50%;
}

.calendar-day.today.has-tasks::after {
    background: var(--text-white);
}

/* Progress Card */
.progress-content {
    text-align: center;
}

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

.progress-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
}

.progress-stats {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.progress-current {
    color: var(--primary-color);
}

.progress-separator {
    color: var(--text-tertiary);
    margin: 0 var(--spacing-xs);
}

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

.progress-unit {
    font-size: 1rem;
    font-weight: 400;
    color: var(--text-secondary);
    margin-left: var(--spacing-sm);
}

.progress-change {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    font-size: 0.875rem;
}

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

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

/* Distribution Card */
.distribution-chart {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
}

.chart-container {
    flex-shrink: 0;
}

.chart-legend {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.legend-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.legend-color {
    width: 0.75rem;
    height: 0.75rem;
    border-radius: 50%;
}

.legend-color.completed {
    background: var(--success-color);
}

.legend-color.in-progress {
    background: var(--warning-color);
}

.legend-color.pending {
    background: var(--info-color);
}

.legend-value {
    margin-left: auto;
    font-weight: 600;
    color: var(--text-primary);
}

/* Goals Card */
.goals-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.goal-item {
    padding: var(--spacing-md);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    background: var(--bg-secondary);
}

.goal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-sm);
}

.goal-type {
    font-weight: 600;
    color: var(--text-primary);
    text-transform: capitalize;
}

.goal-stats {
    font-weight: 600;
    color: var(--primary-color);
}

.goal-progress {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xs);
}

.goal-progress-bar {
    flex: 1;
    height: 0.5rem;
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.goal-progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), var(--primary-dark));
    border-radius: var(--radius-md);
    transition: width var(--transition-normal);
}

.goal-percentage {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-primary);
    min-width: 6rem;
}

.goal-remaining {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

/* Activity Card */
.activity-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.activity-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    background: var(--bg-secondary);
}

.activity-icon {
    width: 2rem;
    height: 2rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.875rem;
    flex-shrink: 0;
}

.activity-icon.completed {
    background: #D1FAE5;
    color: var(--success-color);
}

.activity-icon.created {
    background: #DBEAFE;
    color: var(--primary-color);
}

.activity-icon.updated {
    background: #FEF3C7;
    color: var(--warning-color);
}

.activity-content {
    flex: 1;
}

.activity-title {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.activity-description {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xs);
}

.activity-time {
    font-size: 0.75rem;
    color: var(--text-tertiary);
}

/* Tips Card */
.tips-content {
    line-height: 1.6;
}

.tips-content p {
    margin-bottom: var(--spacing-lg);
    color: var(--text-secondary);
}

.tip-section {
    padding: var(--spacing-md);
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    border-left: 4px solid var(--primary-color);
}

.tip-section h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.tip-content h5 {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: var(--spacing-xs);
}

.tip-content p {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin: 0;
}

/* Stats Card */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
}

.stat-box {
    text-align: center;
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    background: var(--bg-secondary);
}

.stat-box .stat-label {
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xs);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.stat-box .stat-number {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
}

/* Buttons */
.btn-primary {
    background: var(--primary-color);
    color: var(--text-white);
    border: none;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-md);
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition-fast);
    font-size: 0.875rem;
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
}

.btn-secondary {
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    border: 1px solid var(--border-light);
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-md);
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition-fast);
    font-size: 0.875rem;
}

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

.full-width {
    width: 100%;
}

/* Bottom Navigation */
.bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--bg-primary);
    border-top: 1px solid var(--border-light);
    padding: var(--spacing-sm) var(--spacing-md);
    display: flex;
    justify-content: space-around;
    z-index: 100;
    box-shadow: 0 -4px 6px -1px rgba(0, 0, 0, 0.1);
}

.nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm);
    border-radius: var(--radius-md);
    text-decoration: none;
    color: var(--text-secondary);
    transition: var(--transition-fast);
    position: relative;
    min-width: 4rem;
}

.nav-item:hover {
    color: var(--primary-color);
    background: var(--bg-secondary);
}

.nav-item.active {
    color: var(--primary-color);
}

.nav-item i {
    font-size: 1.25rem;
}

.nav-item span {
    font-size: 0.75rem;
    font-weight: 500;
}

.nav-badge {
    position: absolute;
    top: 0;
    right: 0.5rem;
    background: var(--danger-color);
    color: var(--text-white);
    font-size: 0.625rem;
    padding: 0.125rem 0.25rem;
    border-radius: 0.75rem;
    min-width: 1rem;
    text-align: center;
}

.nav-indicator {
    position: absolute;
    bottom: -0.5rem;
    left: 50%;
    transform: translateX(-50%);
    width: 2rem;
    height: 0.25rem;
    background: var(--primary-color);
    border-radius: var(--radius-md);
    opacity: 0;
    transition: var(--transition-fast);
}

.nav-item.active .nav-indicator {
    opacity: 1;
}

/* Floating Action Button */
.fab {
    position: fixed;
    bottom: 5rem;
    right: var(--spacing-xl);
    width: 3.5rem;
    height: 3.5rem;
    background: var(--primary-color);
    color: var(--text-white);
    border: none;
    border-radius: 50%;
    font-size: 1.25rem;
    cursor: pointer;
    box-shadow: var(--shadow-lg);
    transition: var(--transition-fast);
    z-index: 99;
}

.fab:hover {
    background: var(--primary-dark);
    transform: scale(1.1);
}

/* Modal */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--bg-overlay);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: var(--spacing-md);
}

.modal.show {
    display: flex;
}

.modal-content {
    background: var(--bg-primary);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    max-width: 500px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-xl);
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-xl);
}

.modal-header h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.25rem;
    color: var(--text-secondary);
    cursor: pointer;
    padding: var(--spacing-sm);
    border-radius: var(--radius-md);
    transition: var(--transition-fast);
}

.modal-close:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

/* Form Styles */
.task-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

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

.form-group label {
    font-weight: 500;
    color: var(--text-primary);
    font-size: 0.875rem;
}

.form-group input,
.form-group textarea,
.form-group select {
    padding: var(--spacing-md);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    transition: var(--transition-fast);
    background: var(--bg-primary);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

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

/* Overlay */
.overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--bg-overlay);
    display: none;
    z-index: 999;
}

.overlay.show {
    display: block;
}

/* Responsive Design */
@media (max-width: 768px) {
    .header {
        padding: var(--spacing-md);
    }
    
    .header-center {
        display: none;
    }
    
    .main-content {
        padding: var(--spacing-md);
        padding-bottom: 6rem;
    }
    
    .welcome-title {
        font-size: 1.5rem;
    }
    
    .dashboard-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .summary-card {
        grid-column: span 1;
    }
    
    .summary-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-md);
    }
    
    .distribution-chart {
        flex-direction: column;
        gap: var(--spacing-md);
        text-align: center;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .fab {
        bottom: 6rem;
        right: var(--spacing-md);
    }
}

@media (max-width: 480px) {
    .header-actions {
        gap: var(--spacing-sm);
    }
    
    .language-selector {
        display: none;
    }
    
    .summary-stats {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }
    
    .card {
        padding: var(--spacing-md);
    }
    
    .modal-content {
        margin: var(--spacing-md);
        padding: var(--spacing-md);
    }
}

/* Animation Classes */
.fade-in {
    animation: fadeIn 0.3s ease-in-out;
}

.slide-up {
    animation: slideUp 0.3s ease-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Loading States */
.loading {
    opacity: 0.6;
    pointer-events: none;
}

.skeleton {
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: loading 1.5s infinite;
}

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