/**
 * CADMasters Digital Platform — Global Form System
 * Design tokens are injected via /theme.css from Theme Manager.
 */

/* ── Form layout ───────────────────────────────────────────────────────── */

.cm-form,
.form-standard {
    display: flex;
    flex-direction: column;
    gap: var(--form-field-gap);
}

.cm-form .mb-3,
.form-standard .mb-3 {
    margin-bottom: 0 !important;
}

.form-field {
    display: flex;
    flex-direction: column;
    gap: var(--form-label-gap);
    margin-bottom: var(--form-field-gap);
}

.form-field:last-child {
    margin-bottom: 0;
}

/* ── Labels & helper text ──────────────────────────────────────────────── */

.form-label,
.cm-form label:not(.form-check-label):not(.btn) {
    font-family: var(--font-body, "Inter", sans-serif);
    font-weight: var(--form-label-font-weight);
    font-size: var(--form-label-font-size);
    color: var(--theme-text-primary, #0f172a);
    margin-bottom: 0;
}

.form-text,
.form-help {
    font-family: var(--font-body, "Inter", sans-serif);
    font-size: 0.8125rem;
    color: var(--form-placeholder-color);
    margin-top: 0.25rem;
}

/* ── Text inputs, selects, search ──────────────────────────────────────── */

.form-control,
.form-select,
.form-input,
input.form-control,
select.form-select,
input[type="text"],
input[type="email"],
input[type="password"],
input[type="tel"],
input[type="url"],
input[type="search"],
input[type="number"],
input[type="date"],
input[type="datetime-local"],
input[type="time"],
.form-search .form-control {
    font-family: var(--font-body, "Inter", sans-serif);
    font-size: var(--form-input-font-size);
    min-height: var(--form-height);
    height: var(--form-height);
    padding: 0 1rem;
    border-style: var(--form-border-style);
    border-width: 1px;
    border-color: var(--form-border-color);
    border-radius: var(--form-radius);
    background-color: var(--theme-card, #fff);
    color: var(--theme-text-primary, #0f172a);
    transition: var(--form-transition);
}

textarea.form-control,
textarea.form-input {
    height: auto;
    min-height: calc(var(--form-height) * 2);
    padding: 0.75rem 1rem;
    line-height: 1.5;
    resize: vertical;
}

.form-control::placeholder,
.form-input::placeholder {
    color: var(--form-placeholder-color);
    opacity: 0.85;
}

.form-control:focus,
.form-select:focus,
.form-input:focus {
    border-color: var(--form-focus-color);
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--form-focus-color) 18%, transparent);
    outline: none;
}

.form-control:disabled,
.form-select:disabled,
.form-input:disabled {
    background-color: var(--theme-surface, #f8fafc);
    opacity: 0.7;
    cursor: not-allowed;
}

/* Select arrow alignment */
.form-select {
    padding-right: 2.25rem;
}

/* ── File upload ───────────────────────────────────────────────────────── */

.form-control[type="file"],
.form-file .form-control {
    height: auto;
    min-height: var(--form-height);
    padding: 0.625rem 1rem;
}

/* ── Search input ──────────────────────────────────────────────────────── */

.form-search,
.search-form {
    position: relative;
}

.form-search .form-control,
.search-form .form-control {
    padding-left: 2.5rem;
}

.form-search .bi,
.search-form .bi {
    position: absolute;
    left: 0.875rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--form-placeholder-color);
    pointer-events: none;
}

/* ── Validation — success ───────────────────────────────────────────────── */

.form-control.is-valid,
.form-select.is-valid,
.was-validated .form-control:valid,
.was-validated .form-select:valid {
    border-color: var(--form-success-color);
    padding-right: calc(1em + 2.5rem);
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 8 8'%3e%3cpath fill='%2328a745' 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 + 0.5rem) center;
    background-size: calc(0.75em + 0.375rem) calc(0.75em + 0.375rem);
}

.valid-feedback,
.form-success-message {
    display: block;
    margin-top: 0.375rem;
    font-family: var(--font-body, "Inter", sans-serif);
    font-size: 0.8125rem;
    color: var(--form-success-color);
}

.valid-feedback::before,
.form-success-message::before {
    content: "✓ ";
    font-weight: 700;
}

/* ── Validation — error ────────────────────────────────────────────────── */

.form-control.is-invalid,
.form-select.is-invalid,
.was-validated .form-control:invalid,
.was-validated .form-select:invalid {
    border-color: var(--form-error-color);
    padding-right: calc(1em + 2.5rem);
    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 + 0.5rem) center;
    background-size: calc(0.75em + 0.375rem) calc(0.75em + 0.375rem);
}

.invalid-feedback,
.form-error-message {
    display: block;
    margin-top: 0.375rem;
    font-family: var(--font-body, "Inter", sans-serif);
    font-size: 0.8125rem;
    color: var(--form-error-color);
}

.invalid-feedback::before,
.form-error-message::before {
    content: "! ";
    font-weight: 700;
}

/* ── Checkbox / radio alignment ────────────────────────────────────────── */

.form-check-input {
    border-radius: calc(var(--form-radius) * 0.5);
    border-color: var(--form-border-color);
}

.form-check-input:focus {
    border-color: var(--form-focus-color);
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--form-focus-color) 18%, transparent);
}

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

/* ── Input groups ──────────────────────────────────────────────────────── */

.input-group .form-control,
.input-group .form-select {
    height: var(--form-height);
    min-height: var(--form-height);
}

.input-group-text {
    min-height: var(--form-height);
    border-style: var(--form-border-style);
    border-color: var(--form-border-color);
    border-radius: var(--form-radius);
    font-family: var(--font-body, "Inter", sans-serif);
}

/* ── Engineering UI / portal / admin alignment ─────────────────────────── */

.cm-engineering-ui .form-control,
.cm-engineering-ui .form-select,
.admin-content .form-control,
.admin-content .form-select,
.portal-main .form-control,
.portal-main .form-select,
.auth-portal-card .form-control {
    min-height: var(--form-height);
    border-radius: var(--form-radius);
    border-style: var(--form-border-style);
}

.cm-engineering-ui .form-control:focus,
.cm-engineering-ui .form-select:focus,
.admin-content .form-control:focus,
.portal-main .form-control:focus {
    border-color: var(--form-focus-color);
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--form-focus-color) 18%, transparent);
}

.auth-portal-card .form-label {
    font-weight: var(--form-label-font-weight);
    font-size: var(--form-label-font-size);
}

/* ── Reduced motion ────────────────────────────────────────────────────── */

@media (prefers-reduced-motion: reduce) {
    .form-control,
    .form-select,
    .form-input {
        transition: none;
    }
}