/* ==========================================================================
   BicepsAI Shared Components
   Breadcrumbs, Forms, Utility classes
   ========================================================================== */

/* --------------------------------------------------------------------------
   Utility
   -------------------------------------------------------------------------- */

.hidden {
    display: none !important;
}

/* Responsive Tailwind utilities (not in custom build) */
@media (min-width: 768px) {
    .md\:flex { display: flex !important; }
    .md\:hidden { display: none !important; }
    .md\:inline-flex { display: inline-flex !important; }
}

@media (min-width: 640px) {
    .sm\:grid-cols-2 { grid-template-columns: repeat(2, 1fr) !important; }
    .sm\:px-6 { padding-left: 1.5rem !important; padding-right: 1.5rem !important; }
    .sm\:py-28 { padding-top: 7rem !important; padding-bottom: 7rem !important; }
}

@media (min-width: 1024px) {
    .lg\:grid-cols-4 { grid-template-columns: repeat(4, 1fr) !important; }
    .lg\:px-8 { padding-left: 2rem !important; padding-right: 2rem !important; }
}

/* --------------------------------------------------------------------------
   Header fixes
   -------------------------------------------------------------------------- */

/* Bitrix admin panel pushes body down — header must account for it */
#main-header {
    top: 0;
}
body.bx-panel-opened #main-header,
body[style*="padding-top"] #main-header {
    top: var(--bx-panel-height, 40px);
}

/* Dropdown toggle: no button styling, match nav links */
.bicepsai-nav-dropdown__toggle {
    background: none;
    border: none;
    cursor: pointer;
    font-size: inherit;
    padding: 0;
}

/* CTA area: gap between "Войти" and "Демо" */
.bicepsai-header-cta {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

/* Page content offset for fixed header */
.bicepsai-page-offset {
    padding-top: 4.5rem;
}

/* Utility: gap classes missing from Tailwind build */
.gap-3 { gap: 0.75rem; }
.gap-6 { gap: 1.5rem; }
.gap-8 { gap: 2rem; }

/* --------------------------------------------------------------------------
   Breadcrumbs
   -------------------------------------------------------------------------- */

.bicepsai-breadcrumbs {
    padding: 0.75rem 1rem;
    padding-top: 4.5rem; /* offset for fixed header */
    font-size: 0.875rem;
    color: #94a3b8; /* lighter for dark bg readability */
    max-width: 80rem;
    margin: 0 auto;
}

.bicepsai-breadcrumbs__list {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: 0.25rem;
}

.bicepsai-breadcrumbs__item {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.bicepsai-breadcrumbs__link {
    color: #60a5fa; /* brighter blue for dark bg */
    text-decoration: none;
    transition: color 0.15s ease;
}

.bicepsai-breadcrumbs__link:hover {
    color: #1d4ed8;
    text-decoration: underline;
}

.bicepsai-breadcrumbs__link:focus-visible {
    outline: 2px solid #2563eb;
    outline-offset: 2px;
    border-radius: 2px;
}

.bicepsai-breadcrumbs__separator {
    color: #94a3b8;
    margin: 0 0.125rem;
    user-select: none;
}

.bicepsai-breadcrumbs__current {
    color: #cbd5e1; /* light for dark bg */
    font-weight: 500;
}

/* Mobile: wrap naturally, smaller text */
@media (max-width: 720px) {
    .bicepsai-breadcrumbs {
        font-size: 0.8125rem;
        padding: 0.5rem 0;
    }
}

/* --------------------------------------------------------------------------
   Forms
   -------------------------------------------------------------------------- */

.bicepsai-form {
    position: relative;
    max-width: 32rem;
    margin: 0 auto;
}

.bicepsai-form__group {
    margin-bottom: 1.25rem;
}

.bicepsai-form__label {
    display: block;
    margin-bottom: 0.375rem;
    font-size: 0.875rem;
    font-weight: 500;
    color: #0f172a;
}

.bicepsai-form__input {
    display: block;
    width: 100%;
    padding: 0.625rem 0.75rem;
    font-size: 0.9375rem;
    line-height: 1.5;
    color: #0f172a;
    background-color: #fff;
    border: 1px solid #e2e8f0;
    border-radius: 0.5rem;
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
    appearance: none;
    -webkit-appearance: none;
}

.bicepsai-form__input::placeholder {
    color: #94a3b8;
}

.bicepsai-form__input:hover {
    border-color: #cbd5e1;
}

.bicepsai-form__input:focus {
    outline: none;
    border-color: #2563eb;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

.bicepsai-form__input:focus-visible {
    outline: 2px solid #2563eb;
    outline-offset: 2px;
}

.bicepsai-form__input:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    background-color: #f8fafc;
}

/* Textarea specific */
textarea.bicepsai-form__input {
    resize: vertical;
    min-height: 6rem;
}

/* Select specific */
select.bicepsai-form__input {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2364748b' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    background-size: 1rem;
    padding-right: 2.5rem;
}

/* Checkbox */
.bicepsai-form__checkbox {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    cursor: pointer;
    font-size: 0.875rem;
    color: #64748b;
    line-height: 1.4;
}

.bicepsai-form__checkbox input[type="checkbox"] {
    flex-shrink: 0;
    width: 1.125rem;
    height: 1.125rem;
    margin-top: 0.125rem;
    accent-color: #2563eb;
    cursor: pointer;
}

.bicepsai-form__checkbox input[type="checkbox"]:focus-visible {
    outline: 2px solid #2563eb;
    outline-offset: 2px;
}

/* Actions */
.bicepsai-form__actions {
    margin-top: 1.5rem;
}

/* Submit button */
.bicepsai-form__submit {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    color: #fff;
    background-color: #2563eb;
    border: none;
    border-radius: 0.5rem;
    cursor: pointer;
    transition: background-color 0.15s ease, opacity 0.15s ease;
    min-height: 2.75rem;
}

.bicepsai-form__submit:hover {
    background-color: #1d4ed8;
}

.bicepsai-form__submit:focus-visible {
    outline: 2px solid #2563eb;
    outline-offset: 2px;
}

.bicepsai-form__submit:active {
    background-color: #1e40af;
}

.bicepsai-form__submit:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Feedback messages */
.bicepsai-form__feedback {
    margin-top: 1rem;
    padding: 0.75rem 1rem;
    border-radius: 0.5rem;
    font-size: 0.875rem;
    font-weight: 500;
    line-height: 1.4;
}

.bicepsai-form__feedback--success {
    background-color: #f0fdf4;
    color: #166534;
    border: 1px solid #bbf7d0;
}

.bicepsai-form__feedback--error {
    background-color: #fef2f2;
    color: #991b1b;
    border: 1px solid #fecaca;
}

/* Mobile: full-width button */
@media (max-width: 720px) {
    .bicepsai-form {
        max-width: 100%;
    }

    .bicepsai-form__submit {
        width: 100%;
    }
}

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */

.bicepsai-footer {
    border-top: 1px solid rgba(30, 41, 59, 0.6);
    background-color: #0f172a;
    color: #cbd5e1;
}

.bicepsai-footer__inner {
    max-width: 80rem;
    margin: 0 auto;
    padding: 3rem 1rem;
}

.bicepsai-footer__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
}

.bicepsai-footer__bottom {
    margin-top: 2.5rem;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    border-top: 1px solid rgba(30, 41, 59, 0.6);
    padding-top: 1.5rem;
    font-size: 0.875rem;
    color: #475569;
}

.bicepsai-footer__legal {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.bicepsai-footer a {
    color: #64748b;
    text-decoration: none;
    transition: color 0.15s;
}

.bicepsai-footer a:hover {
    color: #60a5fa;
}

.bicepsai-footer h3 {
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: #fff;
    margin: 0 0 1rem;
}

.bicepsai-footer ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

.bicepsai-footer li {
    margin-bottom: 0.5rem;
    font-size: 0.875rem;
}

.bicepsai-footer p {
    font-size: 0.875rem;
}

/* Tablet: 2 columns */
@media (max-width: 900px) {
    .bicepsai-footer__grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Mobile: 1 column */
@media (max-width: 720px) {
    .bicepsai-footer__grid {
        grid-template-columns: 1fr;
    }

    .bicepsai-footer__bottom {
        flex-direction: column;
        align-items: flex-start;
    }

    .bicepsai-footer__legal {
        flex-wrap: wrap;
        gap: 0.75rem;
    }
}