.istracbs-book-request {
    --form-text: #333;
    --form-heading: #1a284d;
    --form-primary: #3a7dca;
    --form-primary-dark: #2c609d;
    --form-secondary: #e94e34;
    --form-background: #fff;
    --form-background-alt: #f7f9fc;
    --form-border: #dfe5ee;
    color: var(--form-text);
}

.istracbs-book-request__notice {
    margin-bottom: 24px;
    padding: 14px 16px;
    border: 1px solid transparent;
    border-radius: 8px;
    font-size: 15px;
    line-height: 1.5;
}

.istracbs-book-request__notice--success {
    color: #166534;
    background: #f0fdf4;
    border-color: #bbf7d0;
}

.istracbs-book-request__notice--error {
    color: #991b1b;
    background: #fef2f2;
    border-color: #fecaca;
}

.istracbs-book-request__form {
    width: 100%;
}

.istracbs-book-request__grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
}

.istracbs-book-request__field {
    min-width: 0;
}

.istracbs-book-request__field--full {
    grid-column: 1 / -1;
    margin-bottom: 20px;
}

.istracbs-book-request__grid .istracbs-book-request__field--full {
    margin-bottom: 0;
}

.istracbs-book-request__field label {
    display: block;
    margin-bottom: 8px;
    color: var(--form-heading);
    font-size: 14px;
    font-weight: 600;
    line-height: 1.4;
}

.istracbs-book-request__field label span,
.istracbs-book-request__required-note span,
.istracbs-book-request__consent label > span {
    color: var(--form-secondary);
}

.istracbs-book-request__field input,
.istracbs-book-request__field select,
.istracbs-book-request__field textarea {
    width: 100%;
    min-height: 48px;
    padding: 11px 13px;
    color: var(--form-text);
    background: var(--form-background);
    border: 1px solid var(--form-border);
    border-radius: 7px;
    box-shadow: none;
    font: inherit;
    line-height: 1.4;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.istracbs-book-request__field textarea {
    min-height: 132px;
    resize: vertical;
}

.istracbs-book-request__field input:focus,
.istracbs-book-request__field select:focus,
.istracbs-book-request__field textarea:focus {
    border-color: var(--form-primary);
    outline: none;
    box-shadow: 0 0 0 3px rgba(58, 125, 202, 0.14);
}

.istracbs-book-request__field small {
    display: block;
    margin-top: 6px;
    color: #667085;
    font-size: 12px;
    line-height: 1.4;
}

.istracbs-book-request__consent {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin-top: 22px;
}

.istracbs-book-request__consent input {
    width: 18px;
    height: 18px;
    margin: 2px 0 0;
    flex: 0 0 18px;
    accent-color: var(--form-primary);
}

.istracbs-book-request__consent label {
    margin: 0;
    font-size: 14px;
    line-height: 1.55;
}

.istracbs-book-request__consent a {
    color: var(--form-primary-dark);
    text-decoration: underline;
    text-underline-offset: 2px;
}

.istracbs-book-request__required-note {
    margin: 16px 0 0;
    color: #667085;
    font-size: 13px;
    line-height: 1.4;
}

.istracbs-book-request__submit {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 48px;
    margin-top: 22px;
    padding: 12px 24px;
    color: #fff;
    background: var(--form-primary);
    border: 0;
    border-radius: 7px;
    cursor: pointer;
    font: inherit;
    font-weight: 600;
    line-height: 1.2;
    transition: background-color 0.2s ease, transform 0.2s ease;
}

.istracbs-book-request__submit:hover {
    background: var(--form-primary-dark);
}

.istracbs-book-request__submit:focus-visible {
    outline: 3px solid rgba(58, 125, 202, 0.3);
    outline-offset: 3px;
}

.istracbs-book-request__submit:active {
    transform: translateY(1px);
}

.istracbs-book-request__honeypot {
    position: absolute !important;
    left: -9999px !important;
    width: 1px !important;
    height: 1px !important;
    overflow: hidden !important;
}

@media (max-width: 720px) {
    .istracbs-book-request__grid {
        grid-template-columns: 1fr;
        gap: 18px;
    }

    .istracbs-book-request__submit {
        width: 100%;
    }
}