/**
 * Loading Button Styles
 * Buton loading animasyonları için CSS
 */

/* Loading buton stilleri */
.btn.loading {
    position: relative;
    pointer-events: none;
    opacity: 0.8;
}

.btn.loading .spinner-border-sm {
    width: 1rem;
    height: 1rem;
    border-width: 0.1em;
}

/* Loading animasyonu */
@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.spinner-border {
    display: inline-block;
    width: 2rem;
    height: 2rem;
    vertical-align: text-bottom;
    border: 0.25em solid currentColor;
    border-right-color: transparent;
    border-radius: 50%;
    animation: spin 0.75s linear infinite;
}

.spinner-border-sm {
    width: 1rem;
    height: 1rem;
    border-width: 0.1em;
}

/* Form loading durumu */
.form-loading {
    pointer-events: none;
    opacity: 0.6;
}

.form-loading .btn {
    pointer-events: none;
}

/* Loading overlay */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.8);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
}

.loading-overlay .spinner-border {
    width: 3rem;
    height: 3rem;
    border-width: 0.3em;
}

/* Buton hover efektleri loading sırasında devre dışı */
.btn.loading:hover {
    transform: none;
    box-shadow: none;
}

/* Success/Error mesajları için loading sonrası animasyon */
.alert {
    animation: fadeIn 0.3s ease-in;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}