/**
 * SysKit.ru - Основные стили, сброс и макет приложения
 * Полная адаптивность под мобильные телефоны (320px+), планшеты (iPad/Android) и ПК
 */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=JetBrains+Mono:wght@400;500;600&display=swap');

*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
    overflow-x: hidden;
    max-width: 100%;
    width: 100%;
}

body {
    font-family: var(--font-sans);
    background-color: var(--bg-body);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
    max-width: 100%;
    width: 100%;
    position: relative;
    transition: background-color var(--transition-base), color var(--transition-base);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Скроллбары */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: var(--scrollbar-thumb);
    border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--scrollbar-hover);
}

/* Структура приложения */
.app-container {
    display: flex;
    min-height: 100vh;
    width: 100%;
    max-width: 100%;
    position: relative;
    overflow-x: hidden;
}

/* Сайдбар */
.sidebar {
    width: var(--sidebar-width);
    background-color: var(--bg-surface);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    bottom: 0;
    left: 0;
    z-index: 100;
    transition: transform var(--transition-smooth), width var(--transition-smooth);
    overflow-y: auto;
    overflow-x: hidden;
}

.sidebar-header {
    height: var(--header-height);
    padding: 0 1.25rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid var(--border-color);
    flex-shrink: 0;
}

.brand-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 800;
    font-size: 1.25rem;
    letter-spacing: -0.02em;
    white-space: nowrap;
}

.brand-icon {
    width: 32px;
    height: 32px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    box-shadow: var(--primary-glow);
    flex-shrink: 0;
}

.brand-badge {
    font-size: 0.65rem;
    font-weight: 700;
    text-transform: uppercase;
    padding: 2px 6px;
    background: var(--primary-light);
    color: var(--primary);
    border-radius: var(--radius-sm);
    border: 1px solid var(--primary);
    flex-shrink: 0;
}

.sidebar-nav {
    padding: 1rem 0.75rem;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    flex-grow: 1;
    overflow-x: hidden;
}

.nav-group-title {
    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-muted);
    padding: 0 0.75rem;
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.6rem 0.75rem;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    overflow: hidden;
}

.nav-link:hover {
    color: var(--text-primary);
    background-color: var(--bg-card-hover);
}

.nav-link.active {
    color: var(--primary);
    background-color: var(--primary-light);
    font-weight: 600;
    border-left: 3px solid var(--primary);
}

.nav-icon {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
    color: var(--text-muted);
    opacity: 0.9;
    transition: color var(--transition-fast);
}

.nav-link:hover .nav-icon {
    color: var(--text-primary);
}

.nav-link.active .nav-icon {
    color: var(--primary);
    opacity: 1;
}

.nav-badge-pill {
    margin-left: auto;
    font-size: 0.68rem;
    padding: 2px 7px;
    border-radius: var(--radius-full);
    background: var(--bg-surface-elevated);
    color: var(--primary);
    font-weight: 600;
    border: 1px solid var(--border-color);
    flex-shrink: 0;
}

.nav-link.active .nav-badge-pill {
    background: var(--primary);
    color: #ffffff;
    border-color: var(--primary);
}

/* Футер сайдбара с кнопкой сворачивания */
.sidebar-footer {
    padding: 0.75rem;
    border-top: 1px solid var(--border-color);
    margin-top: auto;
    flex-shrink: 0;
}

.sidebar-collapse-btn {
    width: 100%;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.6rem 0.75rem;
    background: transparent;
    border: 1px solid transparent;
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.sidebar-collapse-btn:hover {
    background: var(--bg-card-hover);
    color: var(--text-primary);
    border-color: var(--border-color);
}

.sidebar-collapse-btn .collapse-icon {
    flex-shrink: 0;
    transition: transform var(--transition-base);
}

/* Основной блок контента */
.main-wrapper {
    flex: 1;
    margin-left: var(--sidebar-width);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    min-width: 0;
    max-width: 100%;
    width: 100%;
    overflow-x: hidden;
    transition: margin var(--transition-smooth);
}

/* Верхняя панель (Header) */
.app-header {
    height: var(--header-height);
    background-color: var(--bg-glass);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 90;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 1.5rem;
    width: 100%;
    box-sizing: border-box;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex: 1;
    min-width: 0;
}

.desktop-sidebar-toggle {
    display: none;
    flex-shrink: 0;
}

@media (min-width: 993px) {
    .desktop-sidebar-toggle {
        display: flex;
    }
}

.mobile-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    cursor: pointer;
    padding: 0.5rem;
    border-radius: var(--radius-sm);
    flex-shrink: 0;
}

.header-search-btn {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 0.5rem 1rem;
    color: var(--text-muted);
    font-size: 0.875rem;
    cursor: pointer;
    min-width: 0;
    flex: 1;
    max-width: 420px;
    transition: all var(--transition-fast);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.header-search-btn:hover {
    border-color: var(--border-hover);
    color: var(--text-secondary);
}

.header-search-btn svg {
    flex-shrink: 0;
}

.header-search-btn span:not(.search-shortcut) {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.search-shortcut {
    margin-left: auto;
    background: var(--bg-surface-elevated);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 1px 6px;
    font-size: 0.7rem;
    font-family: var(--font-mono);
    color: var(--text-muted);
    flex-shrink: 0;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-shrink: 0;
}

.icon-btn {
    width: 38px;
    height: 38px;
    border-radius: var(--radius-md);
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    flex-shrink: 0;
    transition: all var(--transition-fast);
}

.icon-btn:hover {
    color: var(--text-primary);
    background: var(--bg-card-hover);
    border-color: var(--border-hover);
}

/* Область контента */
.content-body {
    flex: 1;
    padding: 2rem 2.5rem;
    max-width: 1300px;
    width: 100%;
    min-width: 0;
    margin: 0 auto;
    box-sizing: border-box;
    overflow-x: hidden;
}

/* Подвал */
.app-footer {
    border-top: 1px solid var(--border-color);
    background: var(--bg-surface);
    padding: 2rem 2.5rem;
    color: var(--text-muted);
    font-size: 0.875rem;
    margin-top: auto;
    width: 100%;
    box-sizing: border-box;
}

.footer-inner {
    max-width: 1300px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1.5rem;
}

.footer-links {
    display: flex;
    gap: 1.5rem;
    list-style: none;
    flex-wrap: wrap;
}

.footer-links a {
    color: var(--text-muted);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.footer-links a:hover {
    color: var(--primary);
}

/* ==========================================================================
   Адаптивность (Планшеты и Мобильные)
   ========================================================================== */
@media (max-width: 992px) {
    .sidebar {
        transform: translateX(-100%);
        width: 280px;
    }

    .sidebar.open {
        transform: translateX(0);
        box-shadow: var(--shadow-lg);
    }

    .main-wrapper {
        margin-left: 0 !important;
    }

    .mobile-toggle {
        display: flex;
    }

    .desktop-sidebar-toggle {
        display: none !important;
    }

    .content-body {
        padding: 1.5rem 1.25rem;
    }
}

@media (max-width: 640px) {
    .app-header {
        padding: 0 0.85rem;
        gap: 0.5rem;
    }

    .header-left {
        gap: 0.5rem;
    }

    .header-search-btn {
        padding: 0.45rem 0.75rem;
        font-size: 0.8125rem;
        gap: 0.4rem;
    }

    .header-search-btn .search-shortcut {
        display: none;
    }

    .content-body {
        padding: 1.25rem 0.85rem;
    }

    .app-footer {
        padding: 1.5rem 0.85rem;
    }

    .footer-inner {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }

    .footer-links {
        gap: 0.6rem 1.25rem;
    }
}

@media (max-width: 380px) {
    .header-search-btn span {
        display: none;
    }

    .header-search-btn {
        flex: 0 0 auto;
        padding: 0.55rem;
        border-radius: var(--radius-md);
    }
}

.sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    z-index: 95;
}

.sidebar-overlay.active {
    display: block;
}

/* ==========================================================================
   Свёрнутый режим сайдбара на десктопе (Collapse Sidebar like IT-Tools)
   ========================================================================== */
@media (min-width: 993px) {
    /* Свёрнутый сайдбар: ширина 68px */
    .sidebar-collapsed .sidebar {
        width: 68px;
    }

    /* Основной контент сдвигается соответственно */
    .sidebar-collapsed .main-wrapper {
        margin-left: 68px;
    }

    /* Шапка сайдбара в свёрнутом виде */
    .sidebar-collapsed .sidebar-header {
        padding: 0;
        justify-content: center;
    }

    .sidebar-collapsed .brand-logo span,
    .sidebar-collapsed .brand-badge {
        display: none;
    }

    /* Скрываем заголовки групп меню */
    .sidebar-collapsed .nav-group-title {
        display: none;
    }

    /* Компактные отступы навигации */
    .sidebar-collapsed .sidebar-nav {
        padding: 0.75rem 0.35rem;
        gap: 0.75rem;
    }

    .sidebar-collapsed .nav-group {
        display: flex;
        flex-direction: column;
        gap: 0.25rem;
    }

    /* Центрируем ссылки и иконки */
    .sidebar-collapsed .nav-link {
        justify-content: center;
        padding: 0.65rem 0;
        border-left: none !important;
        position: relative;
    }

    /* Скрываем текст пунктов меню и бейджи */
    .sidebar-collapsed .nav-link span {
        display: none;
    }

    .sidebar-collapsed .nav-badge-pill {
        display: none;
    }

    .sidebar-collapsed .nav-icon {
        width: 22px;
        height: 22px;
        margin: 0;
    }

    /* Активный элемент в свёрнутом виде */
    .sidebar-collapsed .nav-link.active {
        background-color: var(--primary-light);
        border-radius: var(--radius-md);
    }

    /* Футер сайдбара в свёрнутом виде */
    .sidebar-collapsed .sidebar-footer {
        padding: 0.75rem 0.35rem;
    }

    .sidebar-collapsed .sidebar-collapse-btn {
        justify-content: center;
        padding: 0.65rem 0;
    }

    .sidebar-collapsed .sidebar-collapse-btn .collapse-text {
        display: none;
    }

    /* Разворот стрелочки при свёрнутом состоянии */
    .sidebar-collapsed .sidebar-collapse-btn .collapse-icon {
        transform: rotate(180deg);
    }
}