/* ============================================
   BricoDiscount — Forms Stylesheet
   ============================================
   All form elements: inputs, selects, textareas,
   validation states, and search bar.
   ============================================ */

/* ============================================
   Form Groups & Labels
   ============================================ */
.form-group {
    margin-bottom: var(--space-lg);
}

.form-group label {
    display: block;
    margin-bottom: 0.4rem;
    font-size: var(--text-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--color-neutral);
}

.form-group label .required {
    color: var(--color-danger);
    margin-left: 2px;
}

/* ============================================
   Inputs, Selects, Textareas
   ============================================ */
.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 0.7rem 1rem;
    border: 1.5px solid var(--color-light-gray);
    border-radius: var(--radius-md);
    background-color: var(--color-surface);
    color: var(--color-neutral);
    font-size: var(--text-base);
    line-height: 1.5;
    transition: border-color var(--duration-hover) var(--ease-smooth),
                box-shadow var(--duration-hover) var(--ease-smooth),
                background-color var(--duration-hover) var(--ease-smooth);
}

.form-input::placeholder,
.form-textarea::placeholder {
    color: var(--color-gray);
}

.form-input:hover,
.form-select:hover,
.form-textarea:hover {
    border-color: var(--color-dark-gray);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow:
        0 0 0 3px rgba(139, 26, 43, 0.15),
        0 0 12px -2px rgba(139, 26, 43, 0.1);
    background-color: var(--input-focus-bg);
}
.form-select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='none' stroke='%236b6b6b' stroke-width='2' viewBox='0 0 24 24'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    padding-right: 2.5rem;
    cursor: pointer;
}

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

/* ============================================
   Form Layout Helpers
   ============================================ */
.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-lg);
}

.form-row-3 {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: var(--space-lg);
}

.form-help {
    font-size: var(--text-xs);
    color: var(--color-neutral-lighter);
    margin-top: 0.3rem;
}

/* ============================================
   Validation States
   ============================================ */
.form-input--error,
.form-select--error,
.form-textarea--error {
    border-color: var(--color-danger);
}

.form-input--error:focus,
.form-select--error:focus,
.form-textarea--error:focus {
    box-shadow: 0 0 0 3px rgba(220, 53, 69, 0.12);
}

.form-error-text {
    display: block;
    font-size: var(--text-xs);
    color: var(--color-danger);
    margin-top: 0.3rem;
    font-weight: var(--font-weight-medium);
}

.form-input--success {
    border-color: var(--color-success);
}

.form-input--success:focus {
    box-shadow: 0 0 0 3px rgba(40, 167, 69, 0.12);
}

/* ============================================
   Checkbox & Radio — Custom Styled
   ============================================ */
.form-check {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
}

.form-check label {
    margin-bottom: 0;
    font-size: var(--text-sm);
    cursor: pointer;
}

/* Hide native checkbox/radio, replace with custom */
input[type="checkbox"],
input[type="radio"] {
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    width: 18px;
    height: 18px;
    min-width: 18px;
    border: 2px solid var(--color-light-gray);
    border-radius: 4px;
    background: var(--color-bg-main);
    cursor: pointer;
    position: relative;
    transition: background var(--duration-hover, 300ms) ease,
                border-color var(--duration-hover, 300ms) ease,
                box-shadow var(--duration-hover, 300ms) ease;
    vertical-align: middle;
}

input[type="radio"] {
    border-radius: 50%;
}

input[type="checkbox"]:hover,
input[type="radio"]:hover {
    border-color: var(--color-primary);
}

input[type="checkbox"]:focus-visible,
input[type="radio"]:focus-visible {
    outline: none;
    box-shadow: 0 0 0 3px rgba(139, 26, 43, 0.2);
    border-color: var(--color-primary);
}

input[type="checkbox"]:checked {
    background: var(--color-primary);
    border-color: var(--color-primary);
}

input[type="checkbox"]:checked::after {
    content: '';
    position: absolute;
    left: 4px;
    top: 1px;
    width: 6px;
    height: 10px;
    border: solid var(--color-white, #E8E6E3);
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

input[type="radio"]:checked {
    background: var(--color-primary);
    border-color: var(--color-primary);
}

input[type="radio"]:checked::after {
    content: '';
    position: absolute;
    left: 50%;
    top: 50%;
    width: 6px;
    height: 6px;
    background: var(--color-white, #E8E6E3);
    border-radius: 50%;
    transform: translate(-50%, -50%);
}

input[type="checkbox"]:disabled,
input[type="radio"]:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* ============================================
   Search Input
   ============================================ */
.search-input {
    position: relative;
}

.search-input .form-input {
    padding-left: 2.75rem;
    padding-right: 1rem;
}

.search-input__icon {
    position: absolute;
    left: 0.85rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-gray);
    pointer-events: none;
    transition: color var(--duration-hover) var(--ease-smooth);
}

.search-input .form-input:focus ~ .search-input__icon {
    color: var(--color-primary);
}

/* ============================================
   Form Card (Auth pages, Checkout)
   ============================================ */
.form-card {
    background: var(--color-surface);
    border: 1px solid var(--color-light-gray);
    border-radius: var(--radius-lg);
    padding: var(--space-2xl);
    box-shadow: var(--shadow-card);
}

.form-card__title {
    font-size: var(--text-2xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-primary);
    margin-bottom: var(--space-xl);
    text-align: center;
}

.form-card__footer {
    text-align: center;
    margin-top: var(--space-lg);
    font-size: var(--text-sm);
    color: var(--color-neutral-lighter);
}

.form-card__footer a {
    color: var(--color-primary);
    font-weight: var(--font-weight-semibold);
}

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

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 768px) {
    .form-row,
    .form-row-3 {
        grid-template-columns: 1fr;
    }
}