:root {
    /* Основной размер подписей меню. 0.8125rem = 13px при корневом размере 16px. */
    --header-menu-font-size: 0.8125rem;
    /* Меняйте это значение для подбора размера логотипа. */
    --header-logo-size: 132px;
    --header-logo-width: var(--header-logo-size);
    --header-inner-padding: 6px;
    --header-gap: 10px;
    /* Единая геометрия всех трёх информационных врезок. */
    --header-card-padding: 8px 10px;
    --header-title-gap: 6px;
    --header-row-height: 18px;
    --header-date-width: 2rem;
    --header-date-gap: 0rem;
    --header-radius: 18px;
}

/* SchoolVB — компактная шапка. Полная замена header.css. */
.header {
    background: var(--bg, #eef5f9);
    padding: 6px 12px;
    box-sizing: border-box;
    position: relative;
    top: 0;
    z-index: 1000;
}

.header__inner {
    max-width: var(--content-max, 1100px);
    margin: auto;
    padding: var(--header-inner-padding);
    box-sizing: border-box;
    border: 1px solid #fff;
    border-radius: var(--header-radius);
    background: linear-gradient(115deg, #ffffffb8, #e5eff5b8);
    box-shadow: 0 8px 24px #26495e0c;
    display: grid;
    grid-template-columns: var(--header-logo-width) minmax(0, 1fr);
    gap: var(--header-gap);
    align-items: stretch;
}

.header-left {
    display: flex;
    align-items: center;
    justify-content: center;
}

.logo-stack {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.logo-frame {
    width: var(--header-logo-width);
    height: var(--header-logo-width);
    position: relative;
    margin-top: 0;
}

.logo-photo {
    position: absolute;
    inset: 13px;
    border-radius: 50%;
    background-size: cover;
    background-position: center;
    background-color: #c9dce6;
}

.logo-overlay {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.logo-text {
    text-align: center;
    position: relative;
    margin-top: -17px;
    color: var(--accent, #a55200);
    font-weight: 800;
    line-height: 1.05;
}

.logo-text__line1 {
    font-size: 11px;
    letter-spacing: .05em;
}

.logo-text__line2 {
    font-size: 8px;
    white-space: nowrap;
    margin-top: 2px;
}

.header-nav {
    min-height: 0;
    align-self: stretch;
    grid-template-rows: repeat(3, auto);
    display: grid;
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
    gap: 7px;
    align-content: stretch;
}

.nav-btn {
    box-sizing: border-box;
    display: flex;
    align-items: center;
    gap: 6px;
    min-height: 30px;
    padding: 3px 8px;
    border: 1px solid #fff;
    border-radius: 11px;
    background: #ffffffd9;
    color: #326581;
    font-family: Arial, sans-serif;
    font-weight: 600;
    font-size: var(--header-menu-font-size);
    line-height: 1.2;
    text-decoration: none;
    cursor: pointer;
    box-shadow: 0 2px 5px #294c6504;
}

.nav-btn:hover {
    background: #fff;
    border-color: #b7d4e3;
}

.nav-btn:focus-visible,
.nav-dropdown a:focus-visible,
.acct__item:focus-visible {
    outline: 2px solid #2d7aa6;
    outline-offset: 2px;
}

.nav-ic {
    display: flex;
    width: 23px;
    height: 23px;
    flex: none;
    color: #4385aa;
}

.nav-ic svg {
    width: 100%;
    height: 100%;
}

.nav-txt {
    min-width: 0;
    white-space: nowrap;
}

.acct .nav-txt {
    white-space: normal;
    overflow-wrap: anywhere;
}

.nav-menu>summary,
.acct>summary {
    flex: 1;
}

.nav-txt small {
    display: block;
    font-size: 8px;
    color: #8496a2;
    font-weight: 400;
    margin-top: 3px;
}

.caret,
.acct__caret {
    font-size: 11px;
    opacity: .6;
    margin-left: auto;
}

.acct__chip {
    gap: 4px;
    padding: 3px 6px;
    color: #a16324;
}

.acct__chip .nav-ic {
    color: #c28b45;
}

.nav-menu,
.acct {
    display: flex;
    flex-direction: column;
    position: relative;
    min-width: 0;
}

.nav-menu>summary,
.acct>summary {
    list-style: none;
}

.nav-menu:not([open])>.nav-dropdown,
.acct:not([open])>.acct__menu {
    display: none;
}

.nav-menu>summary::-webkit-details-marker,
.acct>summary::-webkit-details-marker {
    display: none;
}

.nav-dropdown,
.acct__menu {
    position: absolute;
    top: calc(100% + 6px);
    left: 0;
    min-width: 235px;
    max-width: min(320px, calc(100vw - 32px));
    box-sizing: border-box;
    padding: 7px;
    border: 1px solid #dbe5ec;
    border-radius: 13px;
    background: #fff;
    box-shadow: 0 12px 30px #24485f26;
    z-index: 1100;
}

.nav-dropdown a,
.acct__item,
.menu-pending {
    display: block;
    padding: 9px;
    border-radius: 7px;
    text-decoration: none;
    font-size: 12px;
    line-height: 1.4;
    color: #326581;
}

.nav-dropdown a:hover,
.acct__item:hover {
    background: #eef5f9;
}

.menu-pending {
    color: #8b9aa5;
}

.menu-pending small {
    margin-left: 6px;
}

.acct__title {
    padding: 7px 9px;
    font-size: 11px;
    color: #8898a3;
}

.acct__sep {
    height: 1px;
    background: #edf1f4;
    margin: 5px;
}

.acct__item.is-active {
    background: #eef5f9;
}

.acct__item--danger {
    color: #a16324;
}

/* Три информационные врезки */
.header-card {
    box-sizing: border-box;
    min-height: 0;
    min-width: 0;
    padding: var(--header-card-padding);
    border: 1px solid #fff;
    border-radius: 13px;
    background: #ffffffa6;
    display: flex;
    flex-direction: column;
}

.card-title {
    display: flex;
    justify-content: space-between;
    gap: 5px;
    flex: none;
    margin-bottom: var(--header-title-gap);
    color: #7993a4;
    font-size: 9px;
    font-weight: 700;
    letter-spacing: .04em;
    line-height: 1.3;
}

.card-title span:last-child {
    white-space: nowrap;
}

/* Одинаковый ритм строк: без отдельных отступов для уроков, ДР и новостей. */
.lesson-lines,
.birthday-lines,
.news-list {
    display: grid;
    align-content: start;
    grid-auto-rows: minmax(var(--header-row-height), auto);
    gap: 0;
    min-height: 0;
    overflow: visible;
}

.info-line,
.news-item {
    display: grid;
    grid-template-columns: var(--header-date-width) minmax(0, 1fr);
    align-items: baseline;
    column-gap: var(--header-date-gap);
    min-width: 0;
    padding: 0;
    margin: 0;
    font-size: 11px;
    line-height: var(--header-row-height);
    color: #466173;
}

.info-line > span,
.news-item > span {
    min-width: 0;
    overflow-wrap: anywhere;
}

.info-line time,
.news-item time {
    width: auto;
    margin: 0;
    font-size: 9px;
    line-height: inherit;
    font-variant-numeric: tabular-nums;
    white-space: nowrap;
    color: #8b9da8;
}

/* Отличается только цвет даты новости, геометрия общая. */
.news-item time {
    color: #b28b56;
}

.empty {
    margin: 0;
    font-size: 10px;
    line-height: var(--header-row-height);
    color: #8b9da8;
}

.lessons-title {
    justify-content: flex-start;
    flex-wrap: wrap;
    gap: 4px 8px;
}

.header .header-card {
    display: none;
}

/* Mob=576; Pla1=768; Pla2=992. Логотип виден всегда. */
@media (width < 576px) {
    :root {
        --header-logo-width: min(var(--header-logo-size), 28vw);
    }

    .header {
        padding: 6px;
    }

    .header__inner {
        position: relative;
        grid-template-columns: var(--header-logo-width) minmax(0, 1fr);
        gap: 8px;
        padding: var(--header-inner-padding);
    }

    .logo-photo {
        inset: 10px;
    }

    .logo-text {
        margin-top: -16px;
    }

    .logo-text__line1 {
        font-size: 9px;
    }

    .logo-text__line2 {
        font-size: 6px;
    }

    .header-nav {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 5px;
    }

    .nav-btn {
        padding: 3px 4px;
        gap: 3px;
        font-size: calc(var(--header-menu-font-size) * 1);   
    }

    .nav-ic {
        width: 18px;
        height: 18px;
    }

    .nav-txt {
        white-space: normal;
        overflow-wrap: anywhere;
    }

    .nav-txt small {
        font-size: 7px;
        margin-top: 2px;
    }

    .header-nav>.nav-menu,
    .header-nav>.acct {
        position: static;
    }

    .header .nav-dropdown,
    .header .acct__menu {
        left: auto;
        right: 8px;
        top: 100%;
        min-width: 0;
        width: min(280px, calc(100vw - 32px));
    }
}

@media (min-width: 576px) {
    .header__inner {
        grid-template-columns: var(--header-logo-width) 260px minmax(0, 1fr);
    }

    .nav-btn {
        padding: 3px 5px;
        gap: 4px;
        font-size: calc(var(--header-menu-font-size) * .92);
    }

    .nav-ic {
        width: 20px;
        height: 20px;
    }

    .header .news-card {
        display: flex;
    }

    .footer-info .news-card {
        display: none;
    }

    .footer-inner {
        grid-template-areas: "lessons birthdays contacts";
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
}

@media (min-width: 768px) {
    .header__inner {
        grid-template-columns: var(--header-logo-width) 250px minmax(0, 1.1fr) minmax(0, 1fr);
    }

    .header .lessons-card {
        display: flex;
    }

    .footer-info .lessons-card {
        display: none;
    }

    .footer-inner {
        grid-template-areas: "birthdays contacts";
        grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
    }

    .footer-info .birthday-lines {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (min-width: 992px) {
    .nav-btn {
        font-size: var(--header-menu-font-size);
    }

    .header {
        position: sticky;
    }

    .header__inner {
        grid-template-columns: var(--header-logo-width) 280px minmax(0, 1.1fr) minmax(0, 1.1fr) minmax(0, 1fr);
    }

    .header .birthday-card {
        display: flex;
    }

    .footer-info {
        display: none;
    }

    .footer-inner {
        grid-template-areas: "contacts";
        grid-template-columns: minmax(0, 1fr);
    }

    .footer-contacts {
        display: flex;
        flex-wrap: wrap;
        align-items: baseline;
        gap: 6px 20px;
    }

    .footer-contacts .footer-title {
        margin: 0;
    }
}