.rankbot-popup-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 10000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}

.rankbot-popup-overlay.active {
    display: flex;
}

.rankbot-popup-container {
    background: white;
    border-radius: 1rem;
    max-width: 600px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.rankbot-popup-header {
    padding: 2rem 2rem 1rem;
    border-bottom: 1px solid #e2e8f0;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.rankbot-popup-title {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    font-size: 1.75rem;
    font-weight: 700;
    color: #0f172a;
    margin: 0;
}

.rankbot-popup-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: #64748b;
    cursor: pointer;
    padding: 0.5rem;
    line-height: 1;
    transition: color 0.3s;
}

.rankbot-popup-close:hover {
    color: #0f172a;
}

.rankbot-popup-body {
    padding: 2rem;
}

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

.rankbot-form-label {
    display: block;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    font-size: 0.9375rem;
    font-weight: 600;
    color: #0f172a;
    margin-bottom: 0.5rem;
}

.rankbot-form-label .required {
    color: #ef4444;
}

.rankbot-form-input,
.rankbot-form-select,
.rankbot-form-textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid #e2e8f0;
    border-radius: 0.5rem;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    font-size: 0.9375rem;
    color: #0f172a;
    background: white;
    transition: all 0.3s;
    box-sizing: border-box;
}

.rankbot-form-input:focus,
.rankbot-form-select:focus,
.rankbot-form-textarea:focus {
    outline: none;
    border-color: #2563eb;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.rankbot-form-textarea {
    min-height: 100px;
    resize: vertical;
}

.rankbot-form-button {
    width: 100%;
    padding: 1rem;
    background: #2563eb;
    color: white;
    border: none;
    border-radius: 0.5rem;
    font-weight: 600;
    font-size: 1rem;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    cursor: pointer;
    transition: all 0.3s;
}

.rankbot-form-button:hover {
    background: #1e40af;
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(37, 99, 235, 0.3);
}

.rankbot-form-button:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.rankbot-selected-plan {
    background: #eff6ff;
    border: 2px solid #2563eb;
    border-radius: 0.5rem;
    padding: 1rem;
    margin-bottom: 1.5rem;
}

.rankbot-selected-plan-label {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    font-size: 0.75rem;
    color: #64748b;
    text-transform: uppercase;
    margin-bottom: 0.25rem;
}

.rankbot-selected-plan-name {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    font-size: 1.25rem;
    font-weight: 700;
    color: #0f172a;
}

.rankbot-selected-plan-price {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    font-size: 1rem;
    color: #64748b;
    margin-top: 0.25rem;
}

#rankbot-form-message {
    display: none;
    padding: 1rem;
    margin-bottom: 1.5rem;
    border-radius: 0.5rem;
    font-family: 'Inter', sans-serif;
}

#rankbot-form-message.success {
    background: #d1fae5;
    color: #065f46;
    border: 1px solid #6ee7b7;
}

#rankbot-form-message.error {
    background: #fee2e2;
    color: #991b1b;
    border: 1px solid #fca5a5;
}

.rankbot-buy-button {
    padding: 0.75rem 1.5rem;
    background: #2563eb;
    color: white;
    border: none;
    border-radius: 0.5rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
}

.rankbot-buy-button:hover {
    background: #1e40af;
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(37, 99, 235, 0.3);
}

@media (max-width: 640px) {
    .rankbot-popup-container {
        max-width: 100%;
        margin: 1rem;
    }
    .rankbot-popup-header,
    .rankbot-popup-body {
        padding: 1.5rem;
    }
}