/* Temel Stiller */
.vki-calculator-container {
    max-width: 420px;
    margin: 0 auto;
    padding: 0.75rem;
    background-color: #f8f9fa;
    border-radius: 0.5rem;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.vki-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.vki-form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.vki-form-group label {
    font-weight: 500;
    color: #495057;
}

.vki-input {
    padding: 0.20rem;
    border: 1px solid #ced4da;
    border-radius: 0.25rem;
    font-size: 0.9rem;
    transition: border-color 0.15s ease-in-out;
}

.vki-input:focus {
    border-color: #80bdff;
    outline: 0;
    box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.25);
}

.vki-input:invalid {
    border-color: #dc3545;
}

.vki-error-message {
    color: #dc3545;
    font-size: 0.875rem;
    display: none;
}

.vki-submit-button {
    padding: 0.75rem;
    background-color: #28a745;
    color: white;
    border: none;
    border-radius: 0.25rem;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.15s ease-in-out;
}

.vki-submit-button:hover {
    background-color: #218838;
}

/* Popup Stilleri */
.vki-popup {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 9999;
    display: none;
    align-items: center;
    justify-content: center;
}

.vki-popup.active {
    display: flex;
}

.vki-popup-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
}

.vki-popup-content {
    position: relative;
    background-color: white;
    border-radius: 0.5rem;
    width: 90%;
    max-width: 400px;
    padding: 1.5rem;
    z-index: 1;
    animation: vkiPopupFadeIn 0.3s ease-out;
}

.vki-popup-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: #6c757d;
    padding: 0.25rem;
}

.vki-popup-body {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.vki-popup-body h3 {
    margin: 0 0 1rem 0;
    color: #343a40;
}

.vki-result {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.vki-result p {
    margin: 0;
    font-size: 1.1rem;
}

/* Animasyon */
@keyframes vkiPopupFadeIn {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive */
@media (max-width: 480px) {
    .vki-calculator-container {
        padding: 1rem;
    }
    
    .vki-popup-content {
        padding: 1rem;
    }
}