/* Form Components Styling */

.login-container,
.signup-container {
    max-width: 480px;
    margin: 3rem auto;
    padding: 2rem;
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-md);
}

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

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--text);
}

.form-control {
    width: 100%;
    padding: 0.75rem 1rem;
    font-size: 1rem;
    line-height: 1.5;
    color: var(--text);
    background-color: var(--input-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    transition: border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-alpha);
}

.form-control:disabled {
    background-color: var(--bg-muted);
    opacity: 0.65;
    cursor: not-allowed;
}

.form-control::placeholder {
    color: var(--text-muted);
    opacity: 0.7;
}

/* Alert Messages */
.alert {
    padding: 1rem 1.25rem;
    margin-bottom: 1rem;
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
}

.alert-danger {
    color: #721c24;
    background-color: #f8d7da;
    border-color: #f5c6cb;
}

.alert-success {
    color: #155724;
    background-color: #d4edda;
    border-color: #c3e6cb;
}

.alert-danger {
    color: #f8d7da;
    background-color: rgba(220, 53, 69, 0.2);
    border-color: rgba(220, 53, 69, 0.5);
}

.alert-success {
    color: #d4edda;
    background-color: rgba(40, 167, 69, 0.2);
    border-color: rgba(40, 167, 69, 0.5);
}

/* Button Overrides for Forms */
.login-form .btn,
.signup-form .btn {
    margin-top: 0.5rem;
}

/* Spinner for loading state */
.spinner {
    display: inline-block;
    width: 1rem;
    height: 1rem;
    margin-right: 0.5rem;
    vertical-align: text-bottom;
    border: 0.15em solid currentColor;
    border-right-color: transparent;
    border-radius: 50%;
    animation: spinner-border 0.75s linear infinite;
}

@keyframes spinner-border {
    to {
        transform: rotate(360deg);
    }
}

/* Form Footer */
.form-footer {
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border);
}

.form-footer p {
    margin: 0;
    color: var(--text-muted);
}

.form-footer a {
    color: var(--primary);
    text-decoration: none;
    font-weight: 500;
}

.form-footer a:hover {
    text-decoration: underline;
}

/* Responsive */
@media (max-width: 576px) {
    .login-container,
    .signup-container {
        margin: 1.5rem;
        padding: 1.5rem;
    }
}

/* Input validation states */
.form-control.is-invalid {
    border-color: #dc3545;
}

.form-control.is-valid {
    border-color: #28a745;
}

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

.form-control.is-invalid ~ .invalid-feedback {
    display: block;
}

.invalid-feedback {
    color: #f8d7da;
}

/* Custom checkbox and radio */
.form-check {
    display: flex;
    align-items: center;
    padding-left: 0;
    margin-bottom: 0.75rem;
}

.form-check-input {
    width: 1.25rem;
    height: 1.25rem;
    margin-right: 0.5rem;
    vertical-align: top;
    background-color: var(--input-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    cursor: pointer;
}

.form-check-input:checked {
    background-color: var(--primary);
    border-color: var(--primary);
}

.form-check-label {
    cursor: pointer;
    user-select: none;
}