/*
    Каркас приложения: сайдбар, навигация, шапка, табы корзины.
*/

#app-shell {
    --sh-text: #0b1220;
    --sh-text-2: #475467;
    --sh-text-3: #8a94a6;
    --sh-line: rgba(15, 23, 42, 0.07);
    --sh-hover: rgba(15, 23, 42, 0.045);
    --sh-active-bg: rgba(37, 99, 235, 0.08);
    --sh-active-text: var(--accent, #2563eb);
    --sh-surface: #ffffff;
    --sh-header-bg: color-mix(in srgb, var(--bg-main) 82%, transparent);
    --sh-ease: cubic-bezier(0.2, 0.8, 0.2, 1);
}

.dark-theme #app-shell {
    --sh-text: #e8ebf1;
    --sh-text-2: #a3adbf;
    --sh-text-3: #6b7588;
    --sh-line: rgba(255, 255, 255, 0.06);
    --sh-hover: rgba(255, 255, 255, 0.04);
    --sh-active-bg: rgba(96, 165, 250, 0.1);
    --sh-active-text: #93c5fd;
    --sh-surface: #111722;
}

/* ---------- Sidebar ---------- */

.platform-sidebar {
    width: 244px;
    padding: 22px 0 12px;
    border-right: 1px solid var(--sh-line);
    transition: width 0.32s var(--sh-ease);
}

.platform-sidebar.sidebar-collapsed {
    width: 72px;
}

.platform-sidebar .logo {
    padding: 0 22px 26px;
}

.platform-sidebar.sidebar-collapsed .logo {
    padding: 0 8px 26px;
}

.platform-sidebar .logo-wordmark {
    font-size: 20px;
    font-weight: 800;
    letter-spacing: 0.04em;
}

.platform-sidebar .version-tag {
    font-size: 9.5px;
    font-weight: 600;
    padding: 2px 6px;
    border-radius: 6px;
    border: 0;
    background: var(--sh-hover);
    color: var(--sh-text-3);
    opacity: 1;
}

.platform-sidebar .logo-leaf {
    left: 62px;
    top: 10px;
    width: 34px;
    height: 29px;
}

.sidebar-nav {
    display: flex;
    flex-direction: column;
    gap: 2px;
    padding: 0 12px;
}

.platform-sidebar .nav-item,
.light-theme .platform-sidebar .nav-item {
    height: 38px;
    padding: 0 12px;
    gap: 12px;
    border-radius: 10px;
    border-left: 0 !important;
    color: var(--sh-text-2);
    font-size: 13.5px;
    font-weight: 500;
    background: transparent;
    transition: background 0.18s ease, color 0.18s ease, padding 0.32s var(--sh-ease);
}

.platform-sidebar .nav-item:hover,
.light-theme .platform-sidebar .nav-item:hover {
    background: var(--sh-hover);
    color: var(--sh-text);
}

.platform-sidebar .nav-item.active,
.light-theme .platform-sidebar .nav-item.active {
    background: var(--sh-active-bg);
    color: var(--sh-active-text);
    font-weight: 600;
}

.platform-sidebar .nav-item .icon {
    width: 18px;
    height: 18px;
}

.platform-sidebar .nav-item .icon-line {
    fill: none;
}

.platform-sidebar.sidebar-collapsed .nav-item,
.light-theme .platform-sidebar.sidebar-collapsed .nav-item {
    padding: 0 15px !important;
}

.platform-sidebar .cart-badge {
    position: static;
    align-self: center;
    flex: 0 0 18px;
    box-sizing: border-box;
    width: 18px;
    min-width: 18px;
    height: 18px;
    margin: 0 0 0 auto;
    padding: 0 !important;
    display: inline-flex !important;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: var(--accent);
    color: #ffffff;
    font-family: Inter, -apple-system, sans-serif;
    font-size: 10px;
    font-weight: 700;
    line-height: 1;
    letter-spacing: 0;
    box-shadow: none;
}

.platform-sidebar.sidebar-collapsed .cart-badge {
    position: absolute;
    top: 5px;
    left: 30px;
    min-width: 8px;
    width: 8px;
    height: 8px;
    padding: 0;
    font-size: 0;
    opacity: 1;
    visibility: visible;
    transform: none;
}

.sidebar-collapse-btn {
    top: 26px;
    right: -12px;
    width: 24px;
    height: 24px;
    border: 0;
    background: var(--sh-surface);
    color: var(--sh-text-3);
    box-shadow: 0 0 0 1px var(--sh-line), 0 2px 6px rgba(15, 23, 42, 0.08);
    transition: transform 0.32s var(--sh-ease), color 0.18s ease, opacity 0.18s ease;
}

.sidebar-collapse-btn svg {
    width: 12px;
    height: 12px;
    stroke-width: 2.5;
}

.sidebar-collapse-btn:hover {
    color: var(--sh-text);
}

/* Сводка в сайдбаре дублирует правую колонку корзины палаток */
body:has(.ic-cart) #sidebar-totals {
    display: none !important;
}

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

.main-header {
    position: sticky;
    top: 0;
    z-index: 50;
    flex-shrink: 0;
    height: 56px;
    padding: 0 20px;
    background: var(--sh-header-bg);
    backdrop-filter: saturate(1.4) blur(14px);
    -webkit-backdrop-filter: saturate(1.4) blur(14px);
    border-bottom: 1px solid var(--sh-line);
}

.header-breadcrumb {
    font-size: 13px;
    font-weight: 500;
    color: var(--sh-text-3);
    letter-spacing: 0.01em;
}

.main-header .header-actions {
    gap: 8px !important;
}

#btn-reset-order {
    display: inline-flex;
    align-items: center;
    height: 32px !important;
    padding: 0 12px !important;
    border: 0 !important;
    border-radius: 999px !important;
    background: transparent !important;
    color: var(--sh-text-2) !important;
    font-size: 12px !important;
    font-weight: 500 !important;
    letter-spacing: 0.02em;
    text-transform: none;
    box-shadow: inset 0 0 0 1px var(--sh-line);
    transition: background 0.18s ease, color 0.18s ease, box-shadow 0.18s ease !important;
}

#btn-reset-order:hover {
    background: rgba(220, 38, 38, 0.08) !important;
    color: #dc2626 !important;
    box-shadow: none;
}

#btn-reset-order svg {
    width: 13px !important;
    height: 13px !important;
    margin-right: 6px !important;
}

.main-header .theme-toggle-btn {
    width: 32px;
    height: 32px;
    border: 0;
    border-radius: 999px;
    background: transparent;
    color: var(--sh-text-2);
    box-shadow: inset 0 0 0 1px var(--sh-line);
}

.main-header .theme-toggle-btn:hover {
    transform: none;
    background: var(--sh-hover);
    color: var(--sh-text);
    box-shadow: inset 0 0 0 1px var(--sh-line);
}

.main-header .theme-toggle-btn svg {
    width: 15px;
    height: 15px;
}

.main-header .save-pill {
    height: 32px;
    padding: 0 12px;
    border: 0;
    border-radius: 999px;
    background: transparent;
    box-shadow: inset 0 0 0 1px var(--sh-line);
    color: var(--sh-text-2);
    backdrop-filter: none;
    font-size: 12px;
    font-weight: 500;
}

.main-header .save-pill.saving,
.main-header .save-pill.success {
    background: transparent;
}

.main-header .user-profile {
    gap: 10px;
    margin-left: 6px;
    padding-left: 14px;
    border-left: 1px solid var(--sh-line);
}

.main-header .user-name {
    font-size: 13px;
    font-weight: 500;
    color: var(--sh-text);
}

.main-header .user-avatar {
    width: 30px;
    height: 30px;
    font-size: 11px;
    font-weight: 600;
    color: #ffffff;
    letter-spacing: 0.02em;
}

/* ---------- Cart tabs ---------- */

.cart-tabs,
.light-theme .cart-tabs {
    display: inline-flex;
    gap: 2px;
    padding: 3px;
    border: 0 !important;
    border-radius: 12px;
    background: var(--sh-hover) !important;
    box-shadow: inset 0 0 0 1px var(--sh-line);
}

.cart-tab,
.light-theme .cart-tab {
    height: 32px;
    display: inline-flex;
    align-items: center;
    padding: 0 16px;
    border-radius: 9px;
    font-size: 12px;
    font-weight: 500;
    letter-spacing: 0.02em;
    color: var(--sh-text-2) !important;
    transition: background 0.18s ease, color 0.18s ease, box-shadow 0.18s ease;
}

.cart-tab:hover {
    color: var(--sh-text) !important;
}

.cart-tab.active,
.light-theme .cart-tab.active {
    background: var(--sh-surface) !important;
    color: var(--sh-text) !important;
    font-weight: 600;
    box-shadow: 0 1px 2px rgba(15, 23, 42, 0.08), 0 0 0 1px var(--sh-line);
}

.dark-theme .cart-tab.active {
    background: rgba(255, 255, 255, 0.08) !important;
    box-shadow: none;
}