/**
 * Upgrade Modal Styles
 * Beautiful subscription upgrade modal with modern design
 */

.upgrade-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: fadeIn 0.2s ease-in;
}

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

.upgrade-modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(4px);
}

.upgrade-modal-content {
    position: relative;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 20px;
    max-width: 900px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    padding: 40px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    animation: slideUp 0.3s ease-out;
}

@keyframes slideUp {
    from {
        transform: translateY(50px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.upgrade-modal-close {
    position: absolute;
    top: 15px;
    right: 15px;
    background: rgba(255, 255, 255, 0.2);
    border: none;
    color: white;
    font-size: 28px;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
}

.upgrade-modal-close:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: rotate(90deg);
}

.upgrade-modal-header {
    text-align: center;
    color: white;
    margin-bottom: 30px;
}

.upgrade-icon {
    font-size: 60px;
    margin-bottom: 15px;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

.upgrade-modal-header h2 {
    font-size: 32px;
    font-weight: 700;
    margin: 0 0 10px 0;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.upgrade-subtitle {
    font-size: 16px;
    opacity: 0.9;
    margin: 0;
}

.current-plan-badge {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    padding: 10px 20px;
    border-radius: 25px;
    text-align: center;
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 30px;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.upgrade-plans {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.upgrade-plan-card {
    background: white;
    border-radius: 15px;
    padding: 25px;
    position: relative;
    transition: all 0.3s;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.upgrade-plan-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.upgrade-plan-card.recommended {
    border: 3px solid #ffd700;
    box-shadow: 0 8px 30px rgba(255, 215, 0, 0.3);
}

.recommended-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, #ffd700 0%, #ffed4e 100%);
    color: #333;
    padding: 5px 20px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    box-shadow: 0 4px 10px rgba(255, 215, 0, 0.3);
}

.upgrade-plan-card h3 {
    color: #667eea;
    font-size: 24px;
    margin: 0 0 15px 0;
    font-weight: 700;
}

.plan-price {
    margin-bottom: 10px;
}

.plan-price .price {
    font-size: 36px;
    font-weight: 700;
    color: #333;
}

.plan-price .period {
    font-size: 16px;
    color: #666;
}

.plan-minutes {
    background: #f8f9ff;
    padding: 15px;
    border-radius: 10px;
    margin-bottom: 20px;
    text-align: center;
}

.plan-minutes strong {
    display: block;
    color: #667eea;
    font-size: 18px;
    margin-bottom: 5px;
}

.plan-minutes .price-per-min {
    color: #666;
    font-size: 13px;
}

.plan-features {
    list-style: none;
    padding: 0;
    margin: 0 0 20px 0;
}

.plan-features li {
    padding: 8px 0;
    color: #555;
    font-size: 14px;
    border-bottom: 1px solid #f0f0f0;
}

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

.btn-upgrade {
    width: 100%;
    padding: 15px;
    border: none;
    border-radius: 10px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
}

.btn-upgrade.btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.btn-upgrade.btn-primary:hover {
    transform: scale(1.05);
    box-shadow: 0 8px 20px rgba(102, 126, 234, 0.4);
}

.btn-upgrade.btn-secondary {
    background: #f0f0f0;
    color: #333;
}

.btn-upgrade.btn-secondary:hover {
    background: #e0e0e0;
}

.upgrade-modal-actions {
    display: flex;
    gap: 15px;
    justify-content: center;
    flex-wrap: wrap;
}

.upgrade-modal-actions button {
    padding: 12px 30px;
    border: none;
    border-radius: 25px;
    font-size: 15px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}

.upgrade-modal-actions .btn-secondary {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.upgrade-modal-actions .btn-secondary:hover {
    background: rgba(255, 255, 255, 0.3);
}

/* Responsive design */
@media (max-width: 768px) {
    .upgrade-modal-content {
        padding: 25px;
        width: 95%;
    }

    .upgrade-modal-header h2 {
        font-size: 24px;
    }

    .upgrade-icon {
        font-size: 48px;
    }

    .upgrade-plans {
        grid-template-columns: 1fr;
    }

    .upgrade-modal-actions {
        flex-direction: column;
    }

    .upgrade-modal-actions button {
        width: 100%;
    }
}

/* Scrollbar styling for modal */
.upgrade-modal-content::-webkit-scrollbar {
    width: 8px;
}

.upgrade-modal-content::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
}

.upgrade-modal-content::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.3);
    border-radius: 10px;
}

.upgrade-modal-content::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.4);
}