/*
 * ===========================================
 *         БАЗОВЫЕ СТИЛИ — AviaTrack
 *         Редизайн v2 (май 2026)
 * ===========================================
 */

/* ── Reset & Base ─────────────────────────────────── */

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

html, body {
    height: 100%;
}

body {
    font-family: var(--font-base);
    font-size: 14px;
    line-height: 1.5;
    color: var(--color-text);
    background: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-wrap: pretty;
}

/* ── Scrollbar ────────────────────────────────────── */

::-webkit-scrollbar { width: 4px; height: 4px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--color-border-md); border-radius: 2px; }

/* ── Layout shell ─────────────────────────────────── */

.app-shell {
    display: flex;
    flex-direction: column;
    height: 100vh;
    overflow: hidden;
}

/* ── Top bar (desktop) ────────────────────────────── */

.topbar {
    height: var(--topbar-height);
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 24px;
    flex-shrink: 0;
    z-index: var(--z-sticky);
}

.topbar__meta {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 12px;
    color: var(--color-text-lt);
}

.topbar__actions {
    display: flex;
    align-items: center;
    gap: 10px;
}

/* ── Body row (sidebar + main) ────────────────────── */

.body-row {
    flex: 1;
    display: flex;
    overflow: hidden;
}

/* ── Sidebar ──────────────────────────────────────── */

.sidebar {
    width: var(--sidebar-width);
    background: var(--color-surface);
    border-right: 1px solid var(--color-border);
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
    overflow-y: auto;
    transition: background var(--transition-normal);
}

.sidebar--dark {
    background: var(--color-navy);
    border-right-color: rgba(255, 255, 255, 0.08);
    color: #fff;
}

.sidebar__logo {
    padding: 20px 22px 16px;
    border-bottom: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    gap: 10px;
}

.sidebar--dark .sidebar__logo {
    border-bottom-color: rgba(255, 255, 255, 0.08);
}

.sidebar__logo-icon {
    width: 30px;
    height: 30px;
    background: linear-gradient(135deg, var(--color-blue), oklch(55% 0.22 280));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    flex-shrink: 0;
}

.sidebar__logo-text {
    font-weight: 800;
    font-size: 15px;
    letter-spacing: -0.02em;
    line-height: 1.1;
}

.sidebar__logo-sub {
    font-size: 10px;
    color: var(--color-text-lt);
    margin-top: 2px;
}

.sidebar--dark .sidebar__logo-sub {
    color: rgba(255, 255, 255, 0.4);
}

/* ── Sidebar tab nav ──────────────────────────────── */

.sidebar__tabs {
    display: flex;
    padding: 10px 12px 0;
    gap: 4px;
}

.sidebar__tab {
    flex: 1;
    padding: 7px 4px;
    border: none;
    border-radius: var(--radius-md);
    background: transparent;
    color: var(--color-text-lt);
    font-size: 11px;
    font-weight: 600;
    font-family: var(--font-base);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.sidebar__tab:hover {
    background: var(--color-bg);
    color: var(--color-text-md);
}

.sidebar__tab--active {
    background: var(--color-blue-lt);
    color: var(--color-blue);
}

.sidebar--dark .sidebar__tab {
    color: rgba(255, 255, 255, 0.4);
}

.sidebar--dark .sidebar__tab:hover {
    background: rgba(255, 255, 255, 0.06);
    color: rgba(255, 255, 255, 0.7);
}

.sidebar--dark .sidebar__tab--active {
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
}

.sidebar__content {
    padding: 16px 18px;
    flex: 1;
}

.sidebar__footer {
    padding: 14px 18px;
    border-top: 1px solid var(--color-border);
}

.sidebar--dark .sidebar__footer {
    border-top-color: rgba(255, 255, 255, 0.08);
}

/* ── Main content area ────────────────────────────── */

.main {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-width: 0;
    overflow: hidden;
}

.main__toolbar {
    height: 52px;
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 24px;
    flex-shrink: 0;
    gap: 12px;
}

.main__toolbar-left {
    display: flex;
    align-items: center;
    gap: 10px;
}

.main__toolbar-right {
    display: flex;
    align-items: center;
    gap: 6px;
}

.main__title {
    font-size: 14px;
    font-weight: 700;
    letter-spacing: -0.01em;
    color: var(--color-text);
}

.main__count {
    background: var(--color-blue-lt);
    color: var(--color-blue);
    font-size: 11px;
    font-weight: 700;
    padding: 2px 8px;
    border-radius: 20px;
}

.main__list {
    flex: 1;
    overflow-y: auto;
    padding: 20px 24px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

/* ── Status dot ───────────────────────────────────── */

.status-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    display: inline-block;
    flex-shrink: 0;
}

.status-dot--online {
    background: var(--color-green);
    box-shadow: 0 0 6px var(--color-green);
}

.status-dot--offline {
    background: var(--color-red);
}

/* ── Divider ──────────────────────────────────────── */

.divider {
    width: 1px;
    height: 18px;
    background: var(--color-border);
    flex-shrink: 0;
}

/* ── Filter chips ─────────────────────────────────── */

.chip {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 5px 11px;
    font-size: 11px;
    font-weight: 600;
    color: var(--color-text-md);
    cursor: pointer;
    font-family: var(--font-base);
    transition: all var(--transition-fast);
}

.chip:hover {
    border-color: var(--color-border-md);
    color: var(--color-text);
}

.chip--active {
    background: var(--color-blue);
    border-color: var(--color-blue);
    color: #fff;
}

/* ── Badge ────────────────────────────────────────── */

.badge {
    display: inline-block;
    font-size: 11px;
    font-weight: 700;
    padding: 2px 7px;
    border-radius: var(--radius-sm);
}

.badge--blue  { background: var(--color-blue-lt);  color: var(--color-blue); }
.badge--green { background: var(--color-green-lt); color: var(--color-green); }
.badge--red   { background: var(--color-red-lt);   color: var(--color-red); }

/* ── Google sign-in button ────────────────────────── */

.btn-google {
    width: 100%;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 9px 14px;
    color: var(--color-text);
    font-family: var(--font-base);
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: all var(--transition-fast);
}

.btn-google:hover {
    background: var(--color-gray-100);
    border-color: var(--color-border-md);
}

.sidebar--dark .btn-google {
    background: rgba(255, 255, 255, 0.06);
    border-color: rgba(255, 255, 255, 0.1);
    color: #fff;
}

/* ── Toast notification ───────────────────────────── */

.toast {
    position: fixed;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--color-text);
    color: #fff;
    padding: 10px 18px;
    border-radius: var(--radius-lg);
    font-size: 13px;
    font-weight: 600;
    box-shadow: var(--shadow-lg);
    animation: fadeSlideIn 0.25s ease;
    z-index: var(--z-toast);
    white-space: nowrap;
}

/* ── Animations ───────────────────────────────────── */

@keyframes fadeSlideIn {
    from { opacity: 0; transform: translate(-50%, 10px); }
    to   { opacity: 1; transform: translate(-50%, 0); }
}

@keyframes routeEnter {
    from { opacity: 0; transform: translateY(8px); }
    to   { opacity: 1; transform: translateY(0); }
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50%       { opacity: 0.4; }
}

.route-enter {
    animation: routeEnter 0.25s ease both;
}

.spin {
    animation: spin 0.8s linear infinite;
    display: inline-block;
}

/* ── Empty state ──────────────────────────────────── */

.empty-state {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 10px;
    color: var(--color-text-lt);
    padding-bottom: 60px;
    text-align: center;
}

.empty-state__icon {
    opacity: 0.25;
    font-size: 48px;
    line-height: 1;
}

.empty-state__title {
    font-size: 14px;
    font-weight: 600;
    color: var(--color-text-md);
}

.empty-state__sub {
    font-size: 12px;
}

/* ── User dropdown ────────────────────────────────── */

.user-dropdown-menu {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    min-width: 300px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: 0;
    display: none;
    z-index: var(--z-dropdown);
    box-shadow: var(--shadow-lg);
    animation: dropdownIn 0.18s ease;
}

.user-dropdown-menu.show { display: block; }

@keyframes dropdownIn {
    from { opacity: 0; transform: translateY(-6px); }
    to   { opacity: 1; transform: translateY(0); }
}

.dropdown-header {
    padding: 18px;
    text-align: center;
    background: linear-gradient(135deg, var(--color-blue), oklch(45% 0.2 280));
    color: #fff;
    border-radius: var(--radius-xl) var(--radius-xl) 0 0;
}

.dropdown-section { padding: 12px 16px; }

.dropdown-divider { height: 1px; background: var(--color-border); }

/* ── Connection status ────────────────────────────── */

.connection-status {
    position: fixed;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 11px;
    font-weight: 600;
    padding: 4px 12px;
    border-radius: 20px;
    z-index: var(--z-fixed);
    pointer-events: none;
}

.connection-status.disconnected {
    background: var(--color-red-lt);
    color: var(--color-red);
    display: block;
}

.connection-status.connected { display: none; }

/* ── Responsive ───────────────────────────────────── */

@media (max-width: 767px) {
    .sidebar        { display: none; }
    .topbar         { display: none; }
    .main__toolbar  { display: none; }

    .body-row {
        flex-direction: column;
    }

    .main__list {
        padding: 14px;
        gap: 10px;
    }
}

@media (min-width: 768px) {
    .mobile-header  { display: none; }
    .mobile-tabs    { display: none; }
    .mobile-drawer  { display: none; }
}