/*!*路径： /static/partials/header.css *!*/
/* 统一顶部导航样式
   说明：
   - 当前文件只负责正式主导航 app-nav；
   - 旧 header 模板已删除，不再保留 legacy 样式层。 */

/* ===== 统一顶部导航 ===== */
.app-nav {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.96);
    border-bottom: 1px solid #e5e7eb;
    box-shadow: 0 6px 24px rgba(15, 23, 42, 0.06);
    backdrop-filter: blur(10px);
}

.app-nav__inner {
    max-width: 1600px;
    margin: 0 auto;
    min-height: 70px;
    padding: 0 20px;
    display: flex;
    align-items: center;
    gap: 20px;
    box-sizing: border-box;
}

.app-nav__brand {
    display: flex;
    align-items: center;
    gap: 12px;
    flex: 0 0 auto;
}

.app-nav__brand-link {
    display: inline-flex;
    align-items: center;
    text-decoration: none;
}

.app-nav__brand-text {
    font-size: 22px;
    font-weight: 700;
    color: #111827;
    line-height: 1;
    letter-spacing: 0.2px;
}

.app-nav__title {
    font-size: 14px;
    color: #6b7280;
    white-space: nowrap;
    padding-left: 10px;
    border-left: 1px solid #e5e7eb;    
}

.app-nav__menu {
    flex: 1 1 auto;
    min-width: 0;
    overflow: visible;
}

.app-nav__panel {
    flex: 1 1 auto;
    min-width: 0;
    display: flex;
    align-items: center;
    gap: 16px;
}

.app-nav__list {
    list-style: none;
    display: flex;
    align-items: center;
    gap: 8px;
    margin: 0;
    padding: 0;
    flex-wrap: nowrap;
    min-width: 0;
}

.app-nav__item {
    position: relative;
    flex: 0 0 auto;
}

.app-nav__link,
.app-nav__submenu-link,
.app-nav__action-link {
    text-decoration: none;
    position: relative;
}

.app-nav__link:focus-visible,
.app-nav__submenu-link:focus-visible,
.app-nav__action-link:focus-visible,
.app-nav__mobile-toggle:focus-visible,
.app-nav__toggle:focus-visible {
    outline: 2px solid #4338ca;
    outline-offset: 2px;
}
.app-nav__link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 42px;
    padding: 0 14px;
    border-radius: 10px;
    color: #1f2937;
    font-size: 14px;
    font-weight: 600;
    transition: background-color .18s ease, color .18s ease, box-shadow .18s ease;
}

.app-nav__link:hover,
.app-nav__item.active > .app-nav__link,
.app-nav__link.is-active {
    background: #eef2ff;
    color: #4338ca;
    box-shadow: inset 0 0 0 1px rgba(67, 56, 202, 0.08);
}

.app-nav__toggle[aria-expanded="true"] {
    background: #eef2ff;
    color: #4338ca;
    box-shadow: inset 0 0 0 1px rgba(67, 56, 202, 0.08);
}
.app-nav__toggle::after {
    content: "▾";
    font-size: 11px;
    margin-left: 6px;
    color: #6b7280;
}

.app-nav__submenu {
    list-style: none;
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    min-width: 196px;
    margin: 0;
    padding: 8px;
    background: #fff;
    border: 1px solid #e5e7eb;
    border-radius: 14px;
    box-shadow: 0 18px 44px rgba(15, 23, 42, 0.14);
    display: none;
    z-index: 1002;
}

.app-nav__item.active > .app-nav__submenu {
    display: block;
}

.app-nav__panel[hidden] {
    display: none !important;
}


.app-nav__item--overflow[hidden] {
    display: none !important;
}

.app-nav__submenu--overflow {
    right: 0;
    left: auto;
}
.app-nav__submenu-item + .app-nav__submenu-item {
    margin-top: 4px;
}

.app-nav__submenu-link {
    display: block;
    padding: 10px 12px;
    border-radius: 10px;
    color: #1f2937;
    font-size: 14px;
    line-height: 1.4;
    font-weight: 500;
    transition: background-color .18s ease, color .18s ease;
}
.app-nav__link-text,
.app-nav__submenu-link-text {
    display:inline-block;
    vertical-align:middle;
}

/* 受限态导航入口：徽章改为挂在“文字容器”上，而不是整条链接上 */
.app-nav__link--restricted{
    padding-right:14px;
}

.app-nav__submenu-link--restricted{
    padding-right:12px;
}

.app-nav__link-text--restricted,
.app-nav__submenu-link-text--restricted{
    position:relative;
    display:inline-flex;
    align-items:center;
    padding-right:12px;
    box-sizing:border-box;
}
.app-nav__link--restricted,
.app-nav__submenu-link--restricted{
    color:#9a6b11;
}

.app-nav__link--restricted:hover,
.app-nav__submenu-link--restricted:hover{
    background:#fff7e6;
    color:#7c4a03;
    box-shadow:inset 0 0 0 1px rgba(242, 207, 115, 0.28);
}

.app-nav__link--restricted.is-active,
.app-nav__submenu-link--restricted.is-active{
    background:#fff7e6;
    color:#7c4a03;
    box-shadow:inset 0 0 0 1px rgba(242, 207, 115, 0.28);
}

.app-nav__submenu-link:hover,
.app-nav__submenu-link.is-active {
    background: #f3f4f6;
    color: #4338ca;
}

.app-nav__actions {
    display: flex;
    align-items: center;
    gap: 8px;
    flex: 0 0 auto;
    padding-left: 8px;
    border-left: 1px solid #e5e7eb;
}

.app-nav__mobile-toggle {
    display: none;
    width: 42px;
    height: 42px;
    border: 1px solid #e5e7eb;
    background: #fff;
    border-radius: 10px;
    padding: 0;
    flex: 0 0 auto;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    cursor: pointer;
}

.app-nav__mobile-toggle:hover {
    background: #f8fafc;
}

.app-nav.is-mobile-open .app-nav__mobile-toggle {
    background: #eef2ff;
    border-color: rgba(67, 56, 202, 0.15);
}
.app-nav__mobile-toggle-bar {
    display: block;
    width: 18px;
    height: 2px;
    margin: 3px auto;
    border-radius: 999px;
    background: #374151;
}
 
.app-nav__action-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 38px;
    padding: 0 12px;
    border-radius: 10px;
    color: #374151;
    font-size: 14px;
    font-weight: 500;
    transition: background-color .18s ease, color .18s ease;
}

.app-nav__action-link:hover {
    background: #f3f4f6;
    color: #111827;
}

/* 不同端预留轻微区分能力，先不做重色彩侵入 */
.app-nav--admin .app-nav__brand-text { color: #111827; }
.app-nav--parent .app-nav__brand-text,
.app-nav--student .app-nav__brand-text,
.app-nav--teacher .app-nav__brand-text { color: #111827; }

/* ===== 公开页导航：更轻、更贴近展示页版心 ===== */
.app-nav--public {
    background: rgba(255, 255, 255, 0.92);
    border-bottom: 1px solid rgba(229, 231, 235, 0.9);
    box-shadow: 0 4px 16px rgba(15, 23, 42, 0.04);
    backdrop-filter: blur(8px);
}

.app-nav--public .app-nav__inner {
    max-width: 1280px;
    min-height: 62px;
    padding: 0 24px;
    gap: 16px;
}

.app-nav--public .app-nav__brand {
    gap: 10px;
    min-width: 0;
}

.app-nav--public .app-nav__brand-text {
    font-size: 18px;
    font-weight: 700;
    letter-spacing: 0;
}

.app-nav--public .app-nav__title {
    font-size: 13px;
    color: #94a3b8;
    padding-left: 8px;
    border-left: 1px solid #e5e7eb;
}

.app-nav--public .app-nav__panel {
    gap: 12px;
}

.app-nav--public .app-nav__list {
    gap: 6px;
}

.app-nav--public .app-nav__link {
    min-height: 38px;
    padding: 0 12px;
    border-radius: 9px;
    font-size: 14px;
    font-weight: 500;
}

.app-nav--public .app-nav__link:hover,
.app-nav--public .app-nav__item.active > .app-nav__link,
.app-nav--public .app-nav__link.is-active,
.app-nav--public .app-nav__toggle[aria-expanded="true"] {
    background: #f8fafc;
    color: #111827;
    box-shadow: inset 0 0 0 1px rgba(148, 163, 184, 0.18);
}

.app-nav--public .app-nav__actions {
    padding-left: 12px;
    gap: 6px;
}

.app-nav--public .app-nav__action-link {
    min-height: 36px;
    padding: 0 10px;
    font-size: 13px;
}
/* 响应式 */
@media screen and (max-width: 1100px) {
    .app-nav__inner {
        min-height: 70px;
        flex-wrap: wrap;
        align-items: center;
        gap: 12px;
        padding-top: 10px;
        padding-bottom: 10px;
    }

    .app-nav__brand {
        flex: 1 1 auto;
        min-width: 0;
    }

    .app-nav__mobile-toggle {
        display: inline-flex;
        order: 2;
    }

    .app-nav__panel {
        display: none;
        order: 3;
        width: 100%;
        flex-basis: 100%;
        flex-direction: column;
        align-items: stretch;
        gap: 12px;
        padding: 12px;
        background: #fff;
        border: 1px solid #e5e7eb;
        border-radius: 14px;
        box-shadow: 0 14px 36px rgba(15, 23, 42, 0.08);
    }

    .app-nav.is-mobile-open .app-nav__panel {
        display: flex;
    }

    .app-nav__menu {
        overflow: visible;
    }

    .app-nav__list {
        width: 100%;
        flex-direction: column;
        align-items: stretch;
        gap: 6px;
    }

    .app-nav__item {
        width: 100%;
    }

    .app-nav__link,
    .app-nav__action-link {
        width: 100%;
        justify-content: flex-start;
        box-sizing: border-box;
    }

    .app-nav__submenu,
    .app-nav__submenu--overflow {
        position: static;
        left: auto;
        right: auto;
        min-width: 0;
        width: 100%;
        margin-top: 6px;
        box-shadow: none;
        border-radius: 10px;
    }

    .app-nav__actions {
        width: 100%;
        border-left: 0;
        padding-left: 0;
        padding-top: 10px;
        border-top: 1px solid #e5e7eb;
        flex-direction: column;
        align-items: stretch;
    }

    .app-nav__item--overflow {
        display: none !important;
    }    
}

@media screen and (max-width: 1100px) {
    .app-nav--public .app-nav__inner {
        min-height: 60px;
        padding: 8px 16px;
        gap: 10px;
    }

    .app-nav--public .app-nav__brand-text {
        font-size: 17px;
    }

    .app-nav--public .app-nav__title {
        font-size: 12px;
    }

    .app-nav--public .app-nav__panel {
        padding: 10px;
        border-radius: 12px;
        box-shadow: 0 10px 28px rgba(15, 23, 42, 0.06);
    }
}

@media screen and (max-width: 640px) {
    .app-nav--public .app-nav__inner {
        padding: 8px 12px;
    }

    .app-nav--public .app-nav__title {
        display: none;
    }
}
@media screen and (max-width: 768px) {
    .app-nav__inner {
        padding-left: 12px;
        padding-right: 12px;
    }

    .app-nav__brand-text {
        font-size: 20px;
    }

    .app-nav__title {
        font-size: 13px;
        max-width: 120px;
        overflow: hidden;
        text-overflow: ellipsis;        
    }

    .app-nav__link,
    .app-nav__action-link {
        min-height: 36px;
        font-size: 13px;
    }
}

/* 全局的搜索、筛选样式（保留原行为） */
#searchBar button {
  background:#007bff;
  color:#fff;
  border:none;
  border-radius:4px;
  cursor:pointer;
}

#searchBar button:disabled {
  opacity:.6;
  cursor:not-allowed;
}

#searchBar select,
#searchBar input {
  min-width:120px;
}