/* Dashboard Specific Styles */
.dashboard-body {
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    min-height: 100vh;
    font-family: 'Inter', sans-serif;
}

/* Dashboard Header */
.dashboard-header {
    background: white;
    border-bottom: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 100;
}

#subscribe-btn{
    padding: 15px !important;
    border-radius: 25px !important;
    font-size: 17px !important;
}

.header-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

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

.user-welcome h2 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.welcome-subtitle {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

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

/* Test Balance (updated from coin-balance) */
.test-balance {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.balance-display {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--gradient-primary);
    color: white;
    padding: 0.75rem 1.25rem;
    border-radius: 2rem;
    box-shadow: var(--shadow-sm);
}

.balance-display i {
    font-size: 1.25rem;
    color: var(--accent-color);
}

.balance-amount {
    font-size: 1.25rem;
    font-weight: 700;
}

.balance-label {
    font-size: 0.9rem;
    opacity: 0.9;
}

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

.user-menu-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--light-bg);
    border: 2px solid var(--border-color);
    border-radius: 2rem;
    padding: 0.5rem 1rem;
    cursor: pointer;
    transition: var(--transition);
}

.user-menu-btn:hover {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-sm);
}

.user-avatar {
    width: 32px;
    height: 32px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
}

.user-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    background: white;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    min-width: 200px;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: var(--transition);
    margin-top: 0.5rem;
}

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

.dropdown-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    color: var(--text-primary);
    text-decoration: none;
    border: none;
    background: none;
    width: 100%;
    text-align: left;
    cursor: pointer;
    transition: var(--transition);
    font-size: 0.9rem;
}

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

.dropdown-divider {
    height: 1px;
    background: var(--border-color);
    margin: 0.5rem 0;
}

/* Dashboard Main */
.dashboard-main {
    padding: 2rem 0;
}

.dashboard-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 2rem;
}

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

/* Test Selection */
.test-selection {
    margin-bottom: 3rem;
}

.test-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

.test-card {
    background: white;
    border: 2px solid var(--border-color);
    border-radius: 1rem;
    padding: 2rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.test-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: var(--transition);
}

.test-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

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

.test-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    font-size: 2rem;
    color: white;
}

.test-icon.listening {
    background: linear-gradient(135deg, #3b82f6 0%, #1d4ed8 100%);
}

.test-icon.reading {
    background: linear-gradient(135deg, #10b981 0%, #047857 100%);
}

.test-icon.writing {
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
}

.test-icon.speaking {
    background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
}

.test-info {
    margin-bottom: 1.5rem;
    flex-grow: 1;
}

.test-name {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.test-description {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.test-cost {
    margin-bottom: 1rem;
}

.cost-amount {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--primary-color);
    display: block;
    margin-bottom: 0.5rem;
}

.test-status {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    background: linear-gradient(135deg, #10b981 0%, #047857 100%);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 1rem;
    font-size: 0.8rem;
    font-weight: 500;
}

.test-status.unlimited {
    background: linear-gradient(135deg, #3b82f6 0%, #1d4ed8 100%);
}

.test-status.locked {
    background: linear-gradient(135deg, #64748b 0%, #475569 100%);
}

.test-status i {
    font-size: 0.7rem;
}

.test-start-btn {
    width: 100%;
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
    font-weight: 600;
}

.test-start-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none !important;
}

/* Quick Stats */
.quick-stats {
    margin-bottom: 3rem;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
}

.stat-card {
    background: white;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    transition: var(--transition);
}

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

.stat-icon {
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.25rem;
}

.stat-value {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.025em;
}

/* Dashboard Analytics */
.dashboard-analytics {
    margin-bottom: 3rem;
}

.analytics-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 2rem;
}

.chart-container {
    background: white;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 2rem;
}

.chart-wrapper {
    position: relative;
    height: 300px;
    margin-bottom: 1rem;
}

.chart-legend {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.legend-color {
    width: 12px;
    height: 12px;
    border-radius: 2px;
}

.legend-color.listening {
    background: #3b82f6;
}

.legend-color.reading {
    background: #10b981;
}

.legend-color.writing {
    background: #f59e0b;
}

.legend-color.speaking {
    background: #ef4444;
}

/* Recent Activity */
.recent-activity {
    background: white;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 2rem;
}

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

.activity-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: var(--light-bg);
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.activity-item:hover {
    background: #e2e8f0;
}

.activity-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1rem;
}

.activity-icon.listening {
    background: #3b82f6;
}

.activity-icon.reading {
    background: #10b981;
}

.activity-icon.writing {
    background: #f59e0b;
}

.activity-icon.speaking {
    background: #ef4444;
}

.activity-content {
    flex-grow: 1;
}

.activity-title {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.activity-details {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.activity-score {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.score-badge {
    background: var(--gradient-primary);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 1rem;
    font-size: 0.8rem;
    font-weight: 600;
}

.activity-time {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.activity-empty {
    text-align: center;
    padding: 2rem;
    color: var(--text-secondary);
}

.activity-empty i {
    font-size: 3rem;
    margin-bottom: 1rem;
    opacity: 0.5;
}

/* Modal Styles */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    padding: 2rem;
}

.modal.active {
    display: flex;
}

.modal-content {
    background: white;
    border-radius: var(--border-radius);
    max-width: 600px;
    width: 100%;
    max-height: calc(100vh - 10px);
    overflow-y: auto;
    box-shadow: var(--shadow-xl);
}

.modal-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

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

.modal-close {
    background: none;
    border: none;
    font-size: 1.25rem;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 0.25rem;
    border-radius: 0.25rem;
    transition: var(--transition);
}

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

.modal-body {
    padding: 1.5rem;
}

.pricing-info {
    margin-bottom: 1.5rem;
    color: var(--text-secondary);
}

/* Subscription Plan Styles */
.subscription-plan {
    display: flex;
    justify-content: center;
    margin-bottom: 2rem;
}

.plan-card {
    background: white;
    border: 2px solid var(--border-color);
    border-radius: 1rem;
    padding: 2rem;
    text-align: center;
    width: 100%;
    max-width: 400px;
    transition: var(--transition);
}

.plan-card.featured {
    border-color: var(--primary-color);
    transform: scale(1.02);
    box-shadow: var(--shadow-lg);
}

.plan-card h4 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.plan-price {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.plan-price span {
    font-size: 1rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.plan-features {
    list-style: none;
    margin: 1.5rem 0;
    text-align: left;
}

.plan-features li {
    padding: 0.75rem 0;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border-color);
}

.plan-features li:last-child {
    border-bottom: none;
}

.plan-features i {
    color: var(--success-color);
    font-size: 1rem;
    width: 16px;
    flex-shrink: 0;
}

.plan-btn {
    width: 100%;
    padding: 1rem 2rem;
    font-size: 1.1rem;
    font-weight: 700;
    border-radius: 0.75rem;
    transition: var(--transition);
    text-transform: uppercase;
    letter-spacing: 0.025em;
    border: none;
    cursor: pointer;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

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

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

/* Payment Modal Styles */
#payment-modal .modal-content {
    max-width: 500px;
}

.subscription-details {
    background: var(--light-bg);
    padding: 1.5rem;
    border-radius: var(--border-radius);
    margin-bottom: 2rem;
    text-align: center;
}

.subscription-details h4 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.subscription-details .price {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.subscription-details .benefits {
    list-style: none;
    text-align: left;
    max-width: 300px;
    margin: 0 auto;
}

.subscription-details .benefits li {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.subscription-details .benefits i {
    color: var(--success-color);
    font-size: 0.8rem;
}

#payment-form {
    margin-bottom: 2rem;
}

#payment-element {
    margin-bottom: 2rem;
}

#submit-payment {
    width: 100%;
    padding: 1rem 2rem;
    font-size: 1.1rem;
    font-weight: 600;
    border-radius: var(--border-radius);
    border: none;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

#submit-payment:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.error-message {
    background: #fee2e2;
    border: 1px solid #fecaca;
    color: #dc2626;
    padding: 1rem;
    border-radius: var(--border-radius);
    margin-top: 1rem;
    font-size: 0.9rem;
}

.payment-security {
    text-align: center;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
}

.payment-security p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin: 0.5rem 0;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.payment-security i {
    color: var(--success-color);
}

/* Loading States */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.95);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    backdrop-filter: blur(2px);
}

.loading-overlay.active {
    display: flex;
}

.loading-spinner {
    text-align: center;
    color: var(--primary-color);
}

.loading-spinner i {
    font-size: 2rem;
    margin-bottom: 1rem;
    animation: spin 1s linear infinite;
}

.loading-spinner p {
    font-weight: 500;
    font-size: 1.1rem;
}

@keyframes spin {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

/* Responsive Design */
@media (max-width: 1024px) {
    .analytics-grid {
        grid-template-columns: 1fr;
    }
    
    .chart-wrapper {
        height: 250px;
    }
}

@media (max-width: 768px) {
    .header-container {
        padding: 1rem;
        flex-direction: column;
        gap: 1rem;
    }
    
    .header-left {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
    
    .dashboard-container {
        padding: 0 1rem;
    }
    
    .test-grid {
        grid-template-columns: 1fr;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .chart-legend {
        gap: 1rem;
    }
    
    .test-balance {
        flex-direction: column;
        gap: 0.75rem;
    }
    
    .user-welcome h2 {
        font-size: 1.25rem;
    }
}

@media (max-width: 480px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .balance-display {
        padding: 0.5rem 1rem;
    }
    
    .balance-amount {
        font-size: 1.1rem;
    }
    
    .test-card {
        padding: 1.5rem;
    }
    
    .test-icon {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
    }
    
    .modal {
        padding: 1rem;
    }
    
    .modal-header,
    .modal-body {
        padding: 1rem;
    }
    
    .plan-card {
        padding: 1.5rem;
    }
    
    .plan-price {
        font-size: 2rem;
    }
}