/* ==========================================================================
   Baharak — Layout
   Container, page sections, header, footer, flash messages.
   ========================================================================== */

/* ----- Container & sections ----- */

.container {
    width: min(100% - 2.5rem, var(--container-width));
    margin-inline: auto;
}

.section {
    padding-block: var(--space-8);
}

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

.site-header {
    position: sticky;
    top: 0;
    z-index: var(--z-header);
    background: rgb(251 250 247 / 0.92);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--color-border);
}

.site-header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-4);
    min-height: var(--header-height);
}

.site-nav {
    display: none;
}

.site-nav__list {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    margin: 0;
    padding: 0;
    list-style: none;
}

.site-nav__link {
    display: inline-block;
    padding: var(--space-2) var(--space-3);
    color: var(--text-body);
    font-weight: 500;
    border-radius: var(--radius-md);
    transition: background-color 160ms ease, color 160ms ease;
}

.site-nav__link:hover {
    color: var(--color-primary-700);
    background: var(--color-primary-50);
}

.site-nav__link[aria-current="page"] {
    color: var(--color-primary-700);
    background: var(--color-primary-50);
    font-weight: 500;
}

.site-nav__item {
    position: relative;
}

.site-nav__caret {
    inline-size: 1rem;
    block-size: 1rem;
    vertical-align: -0.15em;
}

.site-nav__submenu {
    position: absolute;
    inset-block-start: 100%;
    inset-inline-start: 0;
    z-index: var(--z-overlay);
    min-inline-size: 13rem;
    margin: 0;
    padding: var(--space-2);
    list-style: none;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    display: none;
}

.site-nav__item:hover .site-nav__submenu,
.site-nav__item:focus-within .site-nav__submenu {
    display: block;
}

.site-nav__sublink {
    display: block;
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius-sm);
    color: var(--text-body);
    font-size: var(--text-sm);
    white-space: nowrap;
}

.site-nav__sublink:hover {
    background: var(--color-primary-50);
    color: var(--color-primary-700);
    text-decoration: none;
}

.site-header__actions {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

/* Hamburger (mobile) */
.nav-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.75rem;
    height: 2.75rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background: var(--color-surface);
    cursor: pointer;
    color: var(--text-strong);
}

.nav-toggle__icon-close { display: none; }

.nav-toggle[aria-expanded="true"] .nav-toggle__icon-menu { display: none; }
.nav-toggle[aria-expanded="true"] .nav-toggle__icon-close { display: block; }

/* Mobile nav panel */
@media (max-width: 56.1875em) {
    .site-nav.is-open {
        display: block;
        position: absolute;
        inset-inline: 0;
        top: 100%;
        background: var(--color-surface);
        border-bottom: 1px solid var(--color-border);
        box-shadow: var(--shadow-lg);
    }

    .site-nav.is-open .site-nav__list {
        flex-direction: column;
        align-items: stretch;
        padding: var(--space-3);
        gap: var(--space-1);
    }

    .site-nav__link {
        display: block;
    }

    .site-nav__submenu {
        position: static;
        display: block;
        min-inline-size: 0;
        margin-block-start: var(--space-1);
        padding: 0 0 0 var(--space-4);
        border: 0;
        box-shadow: none;
        background: transparent;
    }
}

@media (min-width: 56.25em) {
    .site-nav {
        display: block;
    }

    .nav-toggle {
        display: none;
    }
}

/* ----- Logo ----- */

.brand {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    font-weight: 700;
    font-size: var(--text-lg);
    color: var(--text-strong);
}

.brand__image {
    width: 2.5rem;
    height: 2.5rem;
    object-fit: cover;
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-sm);
}

.brand:hover {
    color: var(--color-primary-700);
}

/* ----- Flash messages ----- */

.messages {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    width: min(100% - 2.5rem, var(--container-width));
    margin-block-start: var(--space-4);
}

.message {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-4);
    border-radius: var(--radius-md);
    border: 1px solid transparent;
}

.message--success { background: var(--color-success-bg); color: var(--color-success); border-color: #C6E6D5; }
.message--error   { background: var(--color-error-bg);   color: var(--color-error);   border-color: #F0CBCD; }
.message--warning { background: var(--color-warning-bg); color: var(--color-warning); border-color: #EFDDBB; }
.message--info,
.message--debug   { background: var(--color-info-bg);    color: var(--color-info);    border-color: #BEDDE2; }

.message__close {
    border: 0;
    background: transparent;
    color: inherit;
    font-size: var(--text-lg);
    line-height: 1;
    cursor: pointer;
    padding: var(--space-1);
}

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

.site-footer {
    background: var(--color-primary-900);
    color: rgb(255 255 255 / 0.78);
    padding-block: var(--space-7) var(--space-5);
    margin-block-start: var(--space-8);
}

.site-footer a {
    color: rgb(255 255 255 / 0.9);
}

.site-footer a:hover {
    color: var(--color-accent-400);
}

.site-footer__grid {
    display: grid;
    gap: var(--space-6);
    grid-template-columns: 1fr;
}

@media (min-width: 48em) {
    .site-footer__grid {
        grid-template-columns: 2fr 1fr 1fr;
    }
}

.site-footer__brand .brand {
    color: #FFFFFF;
}

.site-footer__title {
    color: #FFFFFF;
    font-size: var(--text-md);
    font-weight: 700;
    margin-block-end: var(--space-3);
}

.site-footer__links {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.site-footer__bottom {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: var(--space-2);
    margin-block-start: var(--space-6);
    padding-block-start: var(--space-4);
    border-top: 1px solid rgb(255 255 255 / 0.12);
    font-size: var(--text-sm);
    color: rgb(255 255 255 / 0.6);
}

.site-search {
    display: none;
    align-items: center;
    gap: var(--space-1);
    padding: var(--space-1);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    background: var(--color-surface);
    box-shadow: var(--shadow-xs);
}
.site-search__input {
    border: 0;
    padding: var(--space-1) var(--space-3);
    min-inline-size: 14rem;
    font-size: var(--text-sm);
}
.site-search__input:focus {
    outline: none;
}
.site-search__btn {
    padding: var(--space-1) var(--space-2);
}
@media (min-width: 72em) {
    .site-search {
        display: inline-flex;
    }
}

.site-search { position: relative; }
.site-search__dropdown {
  position: absolute;
  inset-inline-start: 0;
  inset-inline-end: 0;
  top: calc(100% + 0.5rem);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  display: none;
  max-block-size: 20rem;
  overflow-y: auto;
  z-index: var(--z-overlay);
}
.site-search__dropdown.is-open { display: block; }
.site-search__list {
  list-style: none;
  margin: 0;
  padding: var(--space-2);
  display: grid;
  gap: var(--space-1);
}
.site-search__item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  color: var(--text-body);
  font-size: var(--text-sm);
}
.site-search__item:hover {
  background: var(--color-primary-50);
  color: var(--color-primary-700);
  text-decoration: none;
}
.site-search__item-title { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.site-search__item-type {
  color: var(--text-muted);
  font-size: var(--text-xs);
  flex-shrink: 0;
}

.site-search-wrap { position: relative; }
.site-search-toggle { display: inline-flex; }
.site-search { position: absolute; inset-inline-end: 0; top: calc(100% + 0.5rem); display: none; background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-full); box-shadow: var(--shadow-md); padding: var(--space-1); gap: var(--space-1); }
.site-search.is-expanded { display: inline-flex; }
.site-search__input { min-inline-size: 12rem; }
@media (min-width: 56em) {
  .site-search-toggle { display: none; }
  .site-search { position: relative; inset: auto; top: auto; display: inline-flex; }
  .site-search__dropdown { inset-inline-start: auto; inset-inline-end: 0; min-inline-size: 18rem; }
}
@media (max-width: 55.9375em) {
  .site-search__dropdown { inset-inline-start: 0; inset-inline-end: 0; }
}

.site-header__searchbar {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  display: none;
  padding: var(--space-2) 0;
  box-shadow: var(--shadow-sm);
}
.site-header__searchbar.is-open {
  display: block;
}
.site-search--bar {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  margin-inline: auto;
  width: min(100% - 2rem, var(--container-width));
  padding: var(--space-1);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  background: var(--color-surface);
  box-shadow: var(--shadow-xs);
  position: relative;
}
.site-search--bar .site-search__input {
  flex: 1;
  min-inline-size: 0;
  padding: var(--space-2) var(--space-4);
}
.site-search--bar .site-search__dropdown {
  inset-inline-start: 0;
  inset-inline-end: 0;
  top: calc(100% + 0.5rem);
}