.site-header,
.site-header * {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    box-sizing: border-box;
}

body {
    transition: padding-top 0.2s ease;
    padding-top: 0px;
}

body.has-sticky-header {
    padding-top: 70px;
}

.site-header {
    background-color: #00BFFF;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    margin: 0 0 20px 0;
    padding: 8px 16px;
    position: relative;
    width: 100%;
    box-sizing: border-box;
    transition: visibility 0.3s, opacity 0.3s;
    border-radius: 12px;
}

.site-header.sticky {
    border-radius: 0 0 12px 12px;
}

.nav-container {
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
}

/* ========== БАЗОВЫЕ СТИЛИ ДЛЯ ВСЕХ ЭЛЕМЕНТОВ ========== */
.site-header .nav-link,
.site-header .btn-logout {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    color: #000000;
    font-weight: 500;
    transition: all 0.2s ease;
    padding: 6px 14px;
    border: 1px solid #dee2e6;
    background: #ffffff;
    cursor: pointer;
    font-size: 0.85rem;
    border-radius: 8px;
    white-space: nowrap;
    gap: 6px;
    min-height: 36px;
    flex-shrink: 0;
}

.site-header .nav-link:hover,
.site-header .btn-logout:hover {
    transform: translateY(-1px);
    box-shadow: 0 2px 6px rgba(0,0,0,0.1);
    background-color: #b0d68e;
    color: #1a3a1a;
}

.site-header .btn-back {
    background-color: #ffffff;
    color: #000000 !important;
}

.site-header .btn-back:hover {
    background-color: #b0d68e;
}

.sidebar-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    padding: 0;
    background: #17c75c;
    border: 1px solid #dee2e6;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s ease;
    color: #000000;
    flex-shrink: 0;
}

.sidebar-toggle i {
    margin: 0;
    font-size: 1rem;
}

.sidebar-toggle:hover {
    background-color: #b0d68e;
    transform: scale(1.02);
}

.sidebar-toggle.sidebar-open {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.burger-wrapper {
    display: inline-flex;
    align-items: center;
    flex-shrink: 0;
}

.site-header .nav-link i,
.site-header .btn-logout i {
    font-size: 0.85rem;
}

/* ========== ДЕСКТОПНАЯ ВЕРСИЯ (992px и выше) ========== */
.nav-row-desktop {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    gap: 10px;
    flex-wrap: nowrap;
    overflow-x: visible;
}

.site-header .nav-link,
.site-header .btn-logout {
    flex-shrink: 1; /* Разрешаем сжиматься */
    min-width: 0;
}

.desktop-auth-group {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-left: auto;
    flex-wrap: nowrap; /* Запрещаем перенос */
    flex-shrink: 0;
}

/* Скрываем полосу прокрутки, но оставляем возможность скролла */
.nav-row-desktop::-webkit-scrollbar {
    display: none;
}
.nav-row-desktop {
    -ms-overflow-style: none;
    scrollbar-width: none;
}

/* ========== МОБИЛЬНЫЕ РЯДЫ (скрыты на десктопе и планшетах) ========== */
.nav-row-top,
.nav-row-bottom {
    display: none;
}

/* ========== ПЛАНШЕТЫ И УЗКИЕ ДЕСКТОПЫ (768px - 1200px) - УМЕНЬШАЕМ КНОПКИ ========== */
@media (min-width: 768px) and (max-width: 1200px) {
    .site-header {
        padding: 6px 12px;
    }

    .site-header .nav-link,
    .site-header .btn-logout {
        padding: 4px 8px;
        font-size: 0.85rem;
        min-height: 30px;
        gap: 4px;
    }

    .site-header .nav-link i,
    .site-header .btn-logout i {
        font-size: 0.85rem;
    }

    .sidebar-toggle {
        width: 30px;
        height: 30px;
    }

    .sidebar-toggle i {
        font-size: 0.8rem;
    }

    .nav-row-desktop {
        gap: 6px;
    }

    .desktop-auth-group {
        gap: 6px;
    }
}

/* ========== ПЛАНШЕТЫ (768px - 991px) - ЕЩЁ ЧУТЬ МЕНЬШЕ ========== */
@media (min-width: 768px) and (max-width: 991px) {
    .site-header .nav-link,
    .site-header .btn-logout {
        padding: 3px 6px;
        font-size: 0.8rem;
        min-height: 28px;
        gap: 3px;
        border-radius: 6px;
    }

    .site-header .nav-link i,
    .site-header .btn-logout i {
        font-size: 0.8rem;
    }

    .sidebar-toggle {
        width: 28px;
        height: 28px;
    }

    .nav-row-desktop {
        gap: 4px;
    }

    .desktop-auth-group {
        gap: 4px;
    }
}

/* ========== ОЧЕНЬ УЗКИЕ ДЕСКТОПЫ (800px - 900px) - МАКСИМАЛЬНОЕ УМЕНЬШЕНИЕ ========== */
@media (min-width: 800px) and (max-width: 899px) {
    .site-header .nav-link,
    .site-header .btn-logout {
        padding: 3px 5px;
        font-size: 0.8rem;
        min-height: 26px;
        gap: 2px;
    }

    .site-header .nav-link i,
    .site-header .btn-logout i {
        font-size: 0.8rem;
    }

    .nav-row-desktop {
        gap: 3px;
    }
}

/* ========== МОБИЛЬНЫЕ (до 767px) - ДВЕ СТРОКИ С ПЕРЕНОСОМ ========== */
@media (max-width: 767px) {
    /* Скрываем десктопную версию */
    .nav-row-desktop {
        display: none;
    }

    /* Показываем мобильные ряды */
    .nav-row-top,
    .nav-row-bottom {
        display: flex;
        flex-wrap: wrap;
        align-items: center;
    }

    .nav-row-top {
        justify-content: flex-start;
        gap: 8px;
        margin-bottom: 10px;
        padding-bottom: 8px;
        border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    }

    .nav-row-bottom {
        justify-content: flex-start;
        gap: 8px;
    }

    .auth-group {
        display: flex;
        align-items: center;
        gap: 8px;
        flex-wrap: wrap;
    }

    .site-header {
        padding: 8px 12px;
        margin-bottom: 10px;
    }

    .site-header .nav-link,
    .site-header .btn-logout {
        padding: 5px 10px;
        font-size: 0.85rem;
        min-height: 32px;
        gap: 5px;
    }

    .sidebar-toggle {
        width: 32px;
        height: 32px;
    }

    .sidebar-toggle i {
        font-size: 0.85rem;
    }

    .site-header .nav-link i,
    .site-header .btn-logout i {
        font-size: 0.8rem;
    }
}

/* ========== МАЛЕНЬКИЕ ТЕЛЕФОНЫ (до 550px) ========== */
@media (max-width: 550px) {
    .nav-row-top {
        gap: 6px;
        margin-bottom: 8px;
        padding-bottom: 6px;
    }

    .nav-row-bottom {
        gap: 6px;
    }

    .auth-group {
        gap: 6px;
    }

    .site-header .nav-link,
    .site-header .btn-logout {
        padding: 4px 8px;
        font-size: 0.8rem;
        min-height: 30px;
        gap: 4px;
    }

    .sidebar-toggle {
        width: 30px;
        height: 30px;
    }
}

/* ========== ОЧЕНЬ МАЛЕНЬКИЕ ТЕЛЕФОНЫ (до 430px) ========== */
@media (max-width: 430px) {
    .site-header .nav-link,
    .site-header .btn-logout {
        padding: 3px 6px;
        font-size: 0.75rem;
        min-height: 28px;
        border-radius: 6px;
    }

    .site-header .nav-link i,
    .site-header .btn-logout i {
        font-size: 0.7rem;
    }

    .sidebar-toggle {
        width: 28px;
        height: 28px;
        border-radius: 6px;
    }
}

/* ========== ЭКРАНЫ ДО 360px ========== */
@media (max-width: 360px) {
    .site-header .nav-link,
    .site-header .btn-logout {
        padding: 2px 5px;
        font-size: 0.7rem;
        min-height: 26px;
        gap: 3px;
        border-radius: 5px;
    }

    .sidebar-toggle {
        width: 26px;
        height: 26px;
        border-radius: 5px;
    }
}

/* ========== ЛАНДШАФТНАЯ ОРИЕНТАЦИЯ НА МОБИЛЬНЫХ ========== */
@media (max-width: 767px) and (orientation: landscape) {
    .nav-row-top {
        margin-bottom: 5px;
        padding-bottom: 5px;
    }

    .site-header {
        padding: 6px 12px;
    }
}

/* ========== ПОДДЕРЖКА SAFE AREA ========== */
@supports (padding-top: env(safe-area-inset-top)) {
    .site-header {
        padding-top: max(8px, env(safe-area-inset-top));
        padding-left: max(16px, env(safe-area-inset-left));
        padding-right: max(16px, env(safe-area-inset-right));
    }
}

/* Уведомления */
.notification-pulse {
    display: inline-block;
    width: 7px;
    height: 7px;
    background-color: #ff6b6b;
    border-radius: 50%;
    margin-left: 4px;
}

.notification-pulse-active {
    animation: pulse 1s infinite;
}

@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(255, 107, 107, 0.7); }
    70% { box-shadow: 0 0 0 8px rgba(255, 107, 107, 0); }
    100% { box-shadow: 0 0 0 0 rgba(255, 107, 107, 0); }
}

.site-header .user-rating {
    display: inline-flex;
    align-items: center;
    gap: 2px;
    font-size: 0.65rem;
    background: linear-gradient(135deg, rgba(255, 193, 7, 0.1), rgba(255, 193, 7, 0.05));
    padding: 2px 5px;
    border-radius: 10px;
    border: 1px solid rgba(255, 193, 7, 0.3);
    margin-left: 5px;
    cursor: help;
}

.sticky {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: #00BFFF;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    border-radius: 0 0 12px 12px;
}