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

:root {
    --primary-color: #6366f1;
    --primary-dark: #4f46e5;
    --secondary-color: #8b5cf6;
    --success-color: #10b981;
    --danger-color: #ef4444;
    --warning-color: #f59e0b;
    --text-primary: #1f2937;
    --text-secondary: #6b7280;
    --bg-primary: #ffffff;
    --bg-secondary: #f9fafb;
    --bg-tertiary: #f3f4f6;
    --border-color: #e5e7eb;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Navigation */
.navbar {
    background: var(--bg-primary);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 1rem 0;
}

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

.nav-brand h2 {
    color: var(--primary-color);
    font-size: 1.5rem;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

.nav-menu a {
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 500;
    transition: color 0.3s;
}

.nav-menu a:hover {
    color: var(--primary-color);
}

.btn-login {
    padding: 0.5rem 1.5rem;
    border-radius: 0.5rem;
    color: var(--primary-color);
}

.btn-signup {
    padding: 0.5rem 1.5rem;
    background: var(--primary-color);
    color: white;
    border-radius: 0.5rem;
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    border-radius: 2px;
}

/* Buttons */
.btn {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 0.5rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    text-decoration: none;
    display: inline-block;
    text-align: center;
}

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

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

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

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

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

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

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

.btn-block {
    width: 100%;
}

.btn-icon {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 1.2rem;
    padding: 0.5rem;
    border-radius: 0.25rem;
    transition: background 0.3s;
}

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

.btn-icon.danger:hover {
    background: #fee2e2;
}

.btn-icon.success:hover {
    background: #d1fae5;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    padding: 5rem 0;
    margin-bottom: 4rem;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.hero-content h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.hero-content p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
}

.hero-image {
    display: flex;
    justify-content: center;
}

.hero-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 2rem;
    border-radius: 1rem;
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.card-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

/* How It Works */
.how-it-works {
    padding: 4rem 0;
    background: var(--bg-primary);
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--text-primary);
}

.steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.step {
    text-align: center;
    padding: 2rem;
    background: var(--bg-secondary);
    border-radius: 1rem;
    transition: transform 0.3s;
}

.step:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.step-number {
    width: 60px;
    height: 60px;
    background: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: bold;
    margin: 0 auto 1rem;
}

.step h3 {
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

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

/* Featured Tasks */
.featured-tasks {
    padding: 4rem 0;
    background: var(--bg-secondary);
}

.tasks-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.task-card {
    background: var(--bg-primary);
    padding: 2rem;
    border-radius: 1rem;
    box-shadow: var(--shadow-md);
    transition: transform 0.3s;
}

.task-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.task-card h3 {
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.task-card p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.task-reward {
    font-size: 1.25rem;
    font-weight: bold;
    color: var(--success-color);
}

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

/* About Section */
.about {
    padding: 4rem 0;
    background: var(--bg-primary);
}

.about-content h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    text-align: center;
}

.about-content > p {
    text-align: center;
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: 3rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.stat {
    text-align: center;
    padding: 2rem;
    background: var(--bg-secondary);
    border-radius: 1rem;
}

.stat h3 {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.stat p {
    color: var(--text-secondary);
    font-weight: 500;
}

/* Footer */
.footer {
    background: var(--text-primary);
    color: white;
    padding: 3rem 0 1rem;
    margin-top: 4rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h3,
.footer-section h4 {
    margin-bottom: 1rem;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: color 0.3s;
}

.footer-section a:hover {
    color: white;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.6);
}

/* Auth Pages */
.auth-page {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.auth-container {
    width: 100%;
    max-width: 450px;
}

.auth-card {
    background: var(--bg-primary);
    padding: 3rem;
    border-radius: 1rem;
    box-shadow: var(--shadow-xl);
}

.auth-header {
    text-align: center;
    margin-bottom: 2rem;
}

.auth-header h1 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.auth-header p {
    color: var(--text-secondary);
}

.auth-form {
    margin-bottom: 1rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--text-primary);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    font-size: 1rem;
    transition: border-color 0.3s;
}

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

.form-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
    width: auto;
}

.forgot-link {
    color: var(--primary-color);
    text-decoration: none;
    font-size: 0.875rem;
}

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

.auth-footer {
    text-align: center;
    margin-top: 1.5rem;
    color: var(--text-secondary);
}

.auth-footer a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
}

.password-strength {
    margin-top: 0.5rem;
}

.strength-bar {
    height: 4px;
    background: var(--bg-tertiary);
    border-radius: 2px;
    overflow: hidden;
    margin-bottom: 0.25rem;
}

.strength-fill {
    height: 100%;
    width: 0%;
    background: var(--danger-color);
    transition: all 0.3s;
}

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

.auth-back-link {
    text-align: center;
    margin-top: 1.5rem;
}

.auth-back-link a {
    color: white;
    text-decoration: none;
    font-weight: 500;
}

.error-message {
    background: #fee2e2;
    color: var(--danger-color);
    padding: 1rem;
    border-radius: 0.5rem;
    margin-top: 1rem;
}

.otp-section {
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
    text-align: center;
}

/* Dashboard */
.dashboard-page,
.admin-page {
    display: flex;
    min-height: 100vh;
}

.sidebar {
    width: 260px;
    background: var(--bg-primary);
    box-shadow: var(--shadow-md);
    display: flex;
    flex-direction: column;
    position: fixed;
    height: 100vh;
    overflow-y: auto;
}

.sidebar-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.sidebar-header h2 {
    color: var(--primary-color);
    font-size: 1.5rem;
}

.sidebar-nav {
    flex: 1;
    padding: 1rem 0;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 1.5rem;
    color: var(--text-secondary);
    text-decoration: none;
    transition: all 0.3s;
    border-left: 3px solid transparent;
}

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

.nav-item.active {
    background: rgba(99, 102, 241, 0.1);
    color: var(--primary-color);
    border-left-color: var(--primary-color);
}

.nav-icon {
    font-size: 1.25rem;
}

.sidebar-footer {
    padding: 1.5rem;
    border-top: 1px solid var(--border-color);
}

.logout-btn {
    display: block;
    width: 100%;
    padding: 0.75rem;
    background: var(--danger-color);
    color: white;
    text-align: center;
    text-decoration: none;
    border-radius: 0.5rem;
    transition: background 0.3s;
}

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

.main-content {
    flex: 1;
    margin-left: 260px;
    padding: 2rem;
}

.dashboard-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.dashboard-header h1 {
    font-size: 2rem;
    color: var(--text-primary);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.wallet-balance {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background: var(--bg-secondary);
    border-radius: 0.5rem;
}

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

.balance-amount {
    font-weight: bold;
    color: var(--success-color);
    font-size: 1.125rem;
}

.user-menu {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.user-name {
    color: var(--text-primary);
    font-weight: 500;
}

.user-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--primary-color);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
}

.dashboard-section {
    display: none;
}

.dashboard-section.active {
    display: block;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.section-header h2 {
    font-size: 1.75rem;
    color: var(--text-primary);
}

.search-filter {
    display: flex;
    gap: 1rem;
}

.search-input {
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    font-size: 0.875rem;
    min-width: 200px;
}

.filter-select {
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    font-size: 0.875rem;
    background: var(--bg-primary);
}

/* Task Cards Dashboard */
.task-card-dashboard {
    background: var(--bg-primary);
    padding: 1.5rem;
    border-radius: 1rem;
    box-shadow: var(--shadow-md);
    margin-bottom: 1.5rem;
}

.task-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

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

.task-status {
    padding: 0.25rem 0.75rem;
    border-radius: 1rem;
    font-size: 0.75rem;
    font-weight: 500;
}

.task-status.active {
    background: #d1fae5;
    color: var(--success-color);
}

.task-status.inactive {
    background: #fee2e2;
    color: var(--danger-color);
}

.task-requirement {
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

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

/* Form Card */
.form-card {
    background: var(--bg-primary);
    padding: 2rem;
    border-radius: 1rem;
    box-shadow: var(--shadow-md);
    margin-bottom: 2rem;
}

.file-upload {
    position: relative;
}

.file-upload input[type="file"] {
    position: absolute;
    opacity: 0;
    width: 100%;
    height: 100%;
    cursor: pointer;
}

.file-upload-label {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    border: 2px dashed var(--border-color);
    border-radius: 0.5rem;
    cursor: pointer;
    transition: all 0.3s;
}

.file-upload-label:hover {
    border-color: var(--primary-color);
    background: rgba(99, 102, 241, 0.05);
}

.upload-icon {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

/* Data Tables */
.data-table {
    width: 100%;
    background: var(--bg-primary);
    border-radius: 1rem;
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.data-table thead {
    background: var(--bg-secondary);
}

.data-table th {
    padding: 1rem;
    text-align: left;
    font-weight: 600;
    color: var(--text-primary);
    border-bottom: 1px solid var(--border-color);
}

.data-table td {
    padding: 1rem;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-secondary);
}

.data-table tbody tr:hover {
    background: var(--bg-secondary);
}

.status-badge {
    padding: 0.25rem 0.75rem;
    border-radius: 1rem;
    font-size: 0.75rem;
    font-weight: 500;
    display: inline-block;
}

.status-badge.pending {
    background: #fef3c7;
    color: var(--warning-color);
}

.status-badge.approved {
    background: #d1fae5;
    color: var(--success-color);
}

.status-badge.rejected {
    background: #fee2e2;
    color: var(--danger-color);
}

/* Earnings */
.earnings-overview {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.earnings-card {
    background: var(--bg-primary);
    padding: 2rem;
    border-radius: 1rem;
    box-shadow: var(--shadow-md);
    text-align: center;
}

.earnings-card h3 {
    color: var(--text-secondary);
    font-size: 0.875rem;
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.earnings-amount {
    font-size: 2rem;
    font-weight: bold;
    color: var(--success-color);
}

.earnings-history {
    background: var(--bg-primary);
    padding: 2rem;
    border-radius: 1rem;
    box-shadow: var(--shadow-md);
}

.earnings-history h3 {
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

/* Payouts */
.payment-methods {
    display: flex;
    gap: 2rem;
    margin-top: 0.5rem;
}

.radio-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
}

.radio-label input[type="radio"] {
    width: auto;
}

.payout-history {
    margin-top: 2rem;
    background: var(--bg-primary);
    padding: 2rem;
    border-radius: 1rem;
    box-shadow: var(--shadow-md);
}

.transaction-id {
    font-family: monospace;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* Forms Section */
.forms-list {
    display: grid;
    gap: 1.5rem;
}

.form-item {
    background: var(--bg-primary);
    padding: 1.5rem;
    border-radius: 1rem;
    box-shadow: var(--shadow-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.form-item h3 {
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.form-item p {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

/* Knowledge Base */
.knowledge-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.article-card,
.video-card {
    background: var(--bg-primary);
    padding: 2rem;
    border-radius: 1rem;
    box-shadow: var(--shadow-md);
}

.article-card h3,
.video-card h3 {
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.article-card p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

.read-more {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
}

.video-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.video-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: var(--bg-secondary);
    border-radius: 0.5rem;
    cursor: pointer;
    transition: background 0.3s;
}

.video-item:hover {
    background: var(--bg-tertiary);
}

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

/* Support */
.support-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

.support-card {
    background: var(--bg-primary);
    padding: 2rem;
    border-radius: 1rem;
    box-shadow: var(--shadow-md);
}

.support-form {
    margin-top: 1.5rem;
}

.faq-section {
    background: var(--bg-primary);
    padding: 2rem;
    border-radius: 1rem;
    box-shadow: var(--shadow-md);
}

.faq-item {
    margin-bottom: 1.5rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

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

.faq-item h4 {
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.faq-item p {
    color: var(--text-secondary);
}

/* Admin Styles */
.admin-sidebar {
    background: #1f2937;
    color: white;
}

.admin-sidebar .sidebar-header h2 {
    color: white;
}

.admin-sidebar .nav-item {
    color: rgba(255, 255, 255, 0.7);
}

.admin-sidebar .nav-item:hover,
.admin-sidebar .nav-item.active {
    background: rgba(255, 255, 255, 0.1);
    color: white;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: var(--bg-primary);
    padding: 2rem;
    border-radius: 1rem;
    box-shadow: var(--shadow-md);
    display: flex;
    gap: 1.5rem;
    align-items: center;
}

.stat-icon {
    font-size: 3rem;
}

.stat-info h3 {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.stat-number {
    font-size: 2rem;
    font-weight: bold;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

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

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

.stat-change.warning {
    color: var(--warning-color);
}

.charts-section {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 2rem;
}

.chart-card {
    background: var(--bg-primary);
    padding: 2rem;
    border-radius: 1rem;
    box-shadow: var(--shadow-md);
}

.chart-card h3 {
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.chart-placeholder {
    height: 300px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: var(--bg-secondary);
    border-radius: 0.5rem;
    color: var(--text-secondary);
}

.chart-note {
    font-size: 0.875rem;
    margin-top: 0.5rem;
}

.table-container {
    background: var(--bg-primary);
    border-radius: 1rem;
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.header-actions-inline {
    display: flex;
    gap: 1rem;
}

.tasks-grid-admin {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 2rem;
}

.task-card-admin {
    background: var(--bg-primary);
    padding: 1.5rem;
    border-radius: 1rem;
    box-shadow: var(--shadow-md);
}

.task-meta {
    display: flex;
    justify-content: space-between;
    margin: 1rem 0;
    padding: 1rem 0;
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

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

.task-actions {
    display: flex;
    gap: 0.5rem;
    margin-top: 1rem;
}

.submissions-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.submission-card {
    background: var(--bg-primary);
    padding: 2rem;
    border-radius: 1rem;
    box-shadow: var(--shadow-md);
}

.submission-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1.5rem;
}

.submission-header h3 {
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.submission-header p {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

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

.submission-content {
    margin-top: 1.5rem;
}

.proof-section {
    margin-bottom: 1.5rem;
}

.proof-section h4 {
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.proof-display {
    display: flex;
    gap: 1rem;
}

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

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

.submission-actions {
    display: flex;
    gap: 1rem;
}

.content-tabs {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
    border-bottom: 2px solid var(--border-color);
}

.tab-btn {
    padding: 1rem 2rem;
    background: none;
    border: none;
    border-bottom: 2px solid transparent;
    cursor: pointer;
    font-weight: 500;
    color: var(--text-secondary);
    transition: all 0.3s;
    margin-bottom: -2px;
}

.tab-btn:hover {
    color: var(--primary-color);
}

.tab-btn.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}

.content-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.content-item {
    background: var(--bg-primary);
    padding: 1.5rem;
    border-radius: 1rem;
    box-shadow: var(--shadow-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.content-item h3 {
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

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

.content-actions {
    display: flex;
    gap: 0.5rem;
}

.reports-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 2rem;
}

.report-card {
    background: var(--bg-primary);
    padding: 2rem;
    border-radius: 1rem;
    box-shadow: var(--shadow-md);
}

.report-card h3 {
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

/* Modals */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    align-items: center;
    justify-content: center;
}

.modal.active {
    display: flex;
}

.modal-content {
    background: var(--bg-primary);
    padding: 2rem;
    border-radius: 1rem;
    max-width: 600px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    box-shadow: var(--shadow-xl);
}

.close-modal {
    position: absolute;
    right: 1rem;
    top: 1rem;
    font-size: 2rem;
    cursor: pointer;
    color: var(--text-secondary);
    line-height: 1;
}

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

.modal-content h2 {
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

/* Responsive */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }

    .hamburger {
        display: flex;
    }

    .hero .container {
        grid-template-columns: 1fr;
    }

    .hero-content h1 {
        font-size: 2rem;
    }

    .sidebar {
        transform: translateX(-100%);
        transition: transform 0.3s;
    }

    .sidebar.active {
        transform: translateX(0);
    }

    .main-content {
        margin-left: 0;
    }

    .support-content {
        grid-template-columns: 1fr;
    }

    .charts-section,
    .reports-grid {
        grid-template-columns: 1fr;
    }

    .tasks-grid-admin {
        grid-template-columns: 1fr;
    }
}