/* Form Validation Styles */

/* Valid field */
.form-control.is-valid,
.form-select.is-valid {
    border-color: #198754;
    padding-right: calc(1.5em + 0.75rem);
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 8 8'%3e%3cpath fill='%23198754' d='M2.3 6.73.6 4.53c-.4-1.04.46-1.4 1.1-.8l1.1 1.4 3.4-3.8c.6-.63 1.6-.27 1.2.7l-4 4.6c-.43.5-.8.4-1.1.1z'/%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right calc(0.375em + 0.1875rem) center;
    background-size: calc(0.75em + 0.375rem) calc(0.75em + 0.375rem);
}

/* Invalid field */
.form-control.is-invalid,
.form-select.is-invalid {
    border-color: #dc3545;
    padding-right: calc(1.5em + 0.75rem);
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12' width='12' height='12' fill='none' stroke='%23dc3545'%3e%3ccircle cx='6' cy='6' r='4.5'/%3e%3cpath stroke-linejoin='round' d='M5.8 3.6h.4L6 6.5z'/%3e%3ccircle cx='6' cy='8.2' r='.6' fill='%23dc3545' stroke='none'/%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right calc(0.375em + 0.1875rem) center;
    background-size: calc(0.75em + 0.375rem) calc(0.75em + 0.375rem);
}

/* Error message */
.invalid-feedback {
    display: none;
    width: 100%;
    margin-top: 0.25rem;
    font-size: 0.875em;
    color: #dc3545;
}

.is-invalid ~ .invalid-feedback,
.is-invalid ~ .invalid-tooltip {
    display: block;
}

/* Success message (optional) */
.valid-feedback {
    display: none;
    width: 100%;
    margin-top: 0.25rem;
    font-size: 0.875em;
    color: #198754;
}

.is-valid ~ .valid-feedback {
    display: block;
}

/* Focus states */
.form-control.is-invalid:focus,
.form-select.is-invalid:focus {
    border-color: #dc3545;
    box-shadow: 0 0 0 0.25rem rgba(220, 53, 69, 0.25);
}

.form-control.is-valid:focus,
.form-select.is-valid:focus {
    border-color: #198754;
    box-shadow: 0 0 0 0.25rem rgba(25, 135, 84, 0.25);
}

/* Alert improvements */
.alert {
    border-radius: 0.5rem;
}

.alert ul {
    padding-left: 1.25rem;
}

/* Toast container */
#toast-container {
    position: fixed;
    top: 1rem;
    right: 1rem;
    z-index: 1100;
}

/* Password strength indicator */
.password-strength {
    height: 4px;
    margin-top: 0.5rem;
    border-radius: 2px;
    transition: all 0.3s ease;
}

.password-strength.weak {
    width: 33%;
    background-color: #dc3545;
}

.password-strength.medium {
    width: 66%;
    background-color: #ffc107;
}

.password-strength.strong {
    width: 100%;
    background-color: #198754;
}

/* Loading state for buttons */
.btn-loading {
    position: relative;
    pointer-events: none;
}

.btn-loading::after {
    content: '';
    position: absolute;
    width: 1rem;
    height: 1rem;
    top: 50%;
    left: 50%;
    margin-top: -0.5rem;
    margin-left: -0.5rem;
    border: 2px solid transparent;
    border-top-color: currentColor;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

.btn-loading span {
    visibility: hidden;
}

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