/* ============================================================
   DELTASCAN — Stylesheet
   Aesthetic: techniсal monitoring console / dark utilitarian
   ============================================================ */


:root {
    --bg-0: #050b0e;
    --bg-1: #0a1418;
    --bg-2: #101f24;
    --bg-3: #172c33;

    --border: #1d3942;
    --border-bright: #2b5360;

    --text-0: #edf7f8;
    --text-1: #a8bec2;
    --text-2: #6e8d93;
    --text-3: #48666d;

    --accent: #40c7d9;
    --accent-dim: #238899;

    --online: #55d98a;
    --online-glow: rgba(85, 217, 138, 0.32);
    --offline: #ff6b6b;
    --offline-glow: rgba(255, 107, 107, 0.3);

    --font-mono: 'JetBrains Mono', ui-monospace, monospace;
    --font-sans: 'Space Grotesk', system-ui, sans-serif;
}



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

html,
body {
    height: 100%;
    background: var(--bg-0);
    color: var(--text-0);
    font-family: var(--font-sans);
    font-size: 14px;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    overflow: hidden;
}

a {
    color: var(--accent);
    text-decoration: none;
}

.mono {
    font-family: var(--font-mono);
}

.muted {
    color: var(--text-2);
}

/* ─── Header ──────────────────────────────────────────────── */
.app-header {
    height: 60px;
    background: var(--bg-1);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    padding: 0 24px;
    gap: 32px;
    position: relative;
}

.app-header::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 0%, rgba(255, 181, 71, 0.02) 100%);
    pointer-events: none;
}

.brand {
    display: flex;
    align-items: center;
    gap: 12px;
    font-family: var(--font-mono);
    font-weight: 700;
    font-size: 13px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--text-0);
}

.brand-logo {
    height: 28px;
    width: auto;
    filter: drop-shadow(0 0 8px rgba(255, 181, 71, 0.4));
}

.brand-name {
    color: var(--text-0);
}

.brand-sep {
    color: var(--text-3);
    margin: 0 4px;
}

.brand-sub {
    color: var(--text-2);
    font-weight: 400;
}

/* ─── Filter bar ─────────────────────────────────────────── */
.filter-bar {
    display: flex;
    gap: 4px;
    padding: 4px;
    background: var(--bg-2);
    border: 1px solid var(--border);
    border-radius: 6px;
}

.filter-bar button {
    background: transparent;
    border: none;
    color: var(--text-2);
    padding: 6px 12px;
    font-family: var(--font-mono);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    cursor: pointer;
    border-radius: 4px;
    transition: all 0.15s ease;
}

.filter-bar button:hover {
    color: var(--accent);
    border-color: transparent;
    background: transparent;
    box-shadow: none;
    text-shadow:
        0 0 7px rgba(64, 199, 217, 0.9),
        0 0 16px rgba(64, 199, 217, 0.55),
        0 0 26px rgba(64, 199, 217, 0.3);
}

.filter-bar button.active {
    background: var(--accent);
    color: var(--bg-0);
    font-weight: 600;
}

/* ─── Header right side ───────────────────────────────────── */
.header-right {
    margin-left: auto;
    display: flex;
    align-items: center;
    gap: 24px;
}

.stat-block {
    display: flex;
    flex-direction: column;
    gap: 2px;
    padding-right: 24px;
    border-right: 1px solid var(--border);
}

.stat-block:last-of-type {
    border-right: none;
}

.stat-label {
    font-family: var(--font-mono);
    font-size: 10px;
    color: var(--text-3);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.stat-value {
    font-family: var(--font-mono);
    font-size: 16px;
    font-weight: 700;
    color: var(--text-0);
    display: flex;
    align-items: center;
    gap: 8px;
}

.stat-value .online-num {
    color: var(--online);
}

.stat-value .total-sep {
    color: var(--text-3);
    margin: 0 2px;
}

.user-block {
    display: flex;
    align-items: center;
    gap: 12px;
}

.user-name {
    font-family: var(--font-mono);
    font-weight: 600;
    color: var(--text-0);
}

.user-name::before {
    content: '@';
    color: var(--accent);
    margin-right: 1px;
}

.btn-icon {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-1);
    width: 32px;
    height: 32px;
    border-radius: 4px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.15s ease;
}

.btn-icon:hover {
    border-color: var(--accent);
    color: var(--accent);
}

.btn-icon svg {
    width: 16px;
    height: 16px;
}

/* ─── Main layout ─────────────────────────────────────────── */
.app-main {
    height: calc(100vh - 60px);
    display: grid;
    grid-template-columns: 1fr 380px;
}

#map {
    background: var(--bg-0);
    height: 100%;
}

/* ─── Leaflet dark theme ──────────────────────────────────── */
.map-mode-topo .leaflet-tile-pane {
    filter: none;
}

.map-mode-satellite .leaflet-tile-pane {
    filter: none;
    opacity: 1;
}

.leaflet-control-attribution {
    background: rgba(10, 13, 16, 0.8) !important;
    color: var(--text-3) !important;
    font-family: var(--font-mono);
    font-size: 10px !important;
}

.leaflet-control-attribution a {
    color: var(--text-2) !important;
}

.leaflet-control-zoom a {
    background: var(--bg-1) !important;
    color: var(--text-0) !important;
    border: 1px solid var(--border) !important;
}

.leaflet-control-zoom a:hover {
    background: var(--bg-2) !important;
    color: var(--accent) !important;
}

/* ─── Distance measurement ──────────────────────────────── */
.measurement-control {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    font-family: var(--font-mono);
}

.measurement-toggle {
    width: 34px;
    height: 34px;
    display: grid;
    place-items: center;
    border: 1px solid var(--border);
    border-radius: 4px;
    background: rgba(10, 20, 24, 0.96);
    color: var(--text-1);
    cursor: pointer;
    box-shadow: 0 5px 18px rgba(0, 0, 0, 0.32);
}

.measurement-toggle:hover,
.measurement-toggle.active {
    border-color: var(--accent);
    color: var(--accent);
    background: rgba(16, 31, 36, 0.98);
    box-shadow: 0 0 14px rgba(64, 199, 217, 0.22);
}

.measurement-toggle svg {
    width: 19px;
    height: 19px;
    fill: none;
    stroke: currentColor;
    stroke-width: 1.8;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.measurement-panel {
    width: 286px;
    padding: 15px;
    border: 1px solid var(--border-bright);
    border-radius: 6px;
    background: rgba(8, 17, 21, 0.96);
    color: var(--text-0);
    box-shadow: 0 12px 35px rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(10px);
}

.measurement-panel[hidden] {
    display: none;
}

.measurement-panel-body[hidden] {
    display: none;
}

.measurement-panel-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-bottom: 11px;
    border-bottom: 1px solid var(--border);
}

.measurement-title {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.measurement-kicker {
    color: var(--text-3);
    font-size: 8px;
    letter-spacing: 0.18em;
}

.measurement-panel-head strong {
    color: var(--text-0);
    font-size: 14px;
    letter-spacing: 0.06em;
}

.measurement-head-actions {
    display: flex;
    align-items: center;
    gap: 9px;
}

.measurement-collapse {
    width: 28px;
    height: 28px;
    display: grid;
    place-items: center;
    padding: 0;
    border: 1px solid var(--border);
    border-radius: 4px;
    background: rgba(64, 199, 217, 0.04);
    color: var(--text-1);
    cursor: pointer;
}

.measurement-collapse:hover {
    border-color: var(--accent);
    color: var(--accent);
}

.measurement-collapse svg {
    width: 16px;
    height: 16px;
    fill: none;
    stroke: currentColor;
    stroke-width: 1.8;
    stroke-linecap: round;
    stroke-linejoin: round;
    transition: transform 0.16s ease;
}

.measurement-control.is-collapsed .measurement-collapse svg {
    transform: rotate(180deg);
}

.measurement-collapsed-summary {
    margin-left: auto;
    color: var(--accent);
    font-size: 9px;
    letter-spacing: 0.04em;
    white-space: nowrap;
}

.measurement-control.is-collapsed .measurement-panel {
    width: 286px;
    padding-block: 10px;
}

.measurement-control.is-collapsed .measurement-panel-head {
    padding-bottom: 0;
    border-bottom: 0;
}

.measurement-live-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--accent);
    box-shadow: 0 0 9px rgba(64, 199, 217, 0.8);
}

.measurement-control.is-completed .measurement-live-dot {
    background: var(--online);
    box-shadow: 0 0 9px var(--online-glow);
}

.measurement-control:not(.is-syncing):not(.has-sync-error) .measurement-live-dot {
    background: var(--online);
    box-shadow: 0 0 9px var(--online-glow);
}

.measurement-control.is-syncing .measurement-live-dot {
    background: #e7b84b;
    box-shadow: 0 0 9px rgba(231, 184, 75, 0.55);
}

.measurement-control.has-sync-error .measurement-live-dot {
    background: var(--offline);
    box-shadow: 0 0 9px rgba(232, 90, 103, 0.55);
}

.measurement-status {
    min-height: 34px;
    margin: 11px 0;
    color: var(--text-1);
    font-size: 10px;
    line-height: 1.55;
}

.measurement-summary {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    margin-bottom: 10px;
}

.measurement-summary>div {
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding: 9px 10px;
    border: 1px solid var(--border);
    background: rgba(64, 199, 217, 0.035);
}

.measurement-summary span {
    color: var(--text-3);
    font-size: 8px;
    letter-spacing: 0.12em;
}

.measurement-summary strong {
    color: var(--accent);
    font-size: 13px;
}

.measurement-segments {
    max-height: 116px;
    overflow-y: auto;
    margin-bottom: 10px;
}

.measurement-segments>div {
    display: grid;
    grid-template-columns: 8px minmax(52px, 1fr) auto 24px;
    align-items: center;
    gap: 8px;
    padding: 5px 2px;
    border-bottom: 1px solid rgba(29, 57, 66, 0.7);
    color: var(--text-2);
    font-size: 10px;
}

.measurement-segments strong {
    color: var(--text-0);
    font-weight: 500;
}

.measurement-sync-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: #e7b84b;
    box-shadow: 0 0 7px rgba(231, 184, 75, 0.42);
}

.measurement-sync-dot.is-saved {
    background: var(--online);
    box-shadow: 0 0 7px var(--online-glow);
}

.measurement-sync-dot.is-error {
    background: var(--offline);
    box-shadow: 0 0 7px rgba(232, 90, 103, 0.48);
}

.measurement-segment-route {
    color: var(--text-2);
}

.measurement-segment-delete {
    width: 24px;
    height: 24px;
    padding: 0;
    border: 1px solid transparent;
    border-radius: 4px;
    background: transparent;
    color: var(--text-3);
    font-family: var(--font-mono);
    font-size: 16px;
    line-height: 1;
    cursor: pointer;
}

.measurement-segment-delete:hover:not(:disabled) {
    border-color: rgba(232, 90, 103, 0.55);
    color: var(--offline);
    background: rgba(232, 90, 103, 0.08);
}

.measurement-segment-delete:disabled {
    opacity: 0.35;
    cursor: default;
}

.measurement-error {
    margin: 0 0 10px;
    color: var(--offline);
    font-size: 10px;
}

.measurement-actions {
    display: grid;
    grid-template-columns: 1fr;
    gap: 8px;
}

.measurement-actions button {
    padding: 8px 10px;
    border: 1px solid var(--border-bright);
    border-radius: 4px;
    background: var(--bg-2);
    color: var(--text-1);
    font-family: var(--font-mono);
    font-size: 9px;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    cursor: pointer;
}

.measurement-actions button:hover:not(:disabled) {
    border-color: var(--accent);
    color: var(--accent);
}

.measurement-actions .measurement-clear-all:hover:not(:disabled) {
    border-color: rgba(232, 90, 103, 0.65);
    color: var(--offline);
}

.measurement-actions button:disabled {
    opacity: 0.38;
    cursor: default;
}

.measurement-mode,
.measurement-mode .leaflet-interactive,
.measurement-mode .leaflet-marker-icon {
    cursor: crosshair !important;
}

.measurement-point-label,
.measurement-segment-label,
.measurement-total-label {
    border: 1px solid rgba(64, 199, 217, 0.72) !important;
    border-radius: 3px !important;
    background: rgba(6, 14, 17, 0.92) !important;
    color: var(--text-0) !important;
    font-family: var(--font-mono) !important;
    font-size: 10px !important;
    font-weight: 700 !important;
    box-shadow: 0 3px 12px rgba(0, 0, 0, 0.4) !important;
}

.measurement-segment-label {
    color: var(--accent) !important;
}

.measurement-total-label {
    border-color: var(--online) !important;
    color: var(--online) !important;
}

.measurement-point-label::before,
.measurement-segment-label::before,
.measurement-total-label::before {
    display: none !important;
}

/* ─── Device marker ──────────────────────────────────────── */
.device-marker {
    width: 46px;
    height: 46px;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.15s ease;
}

.device-marker::before {
    content: '';
    position: absolute;
    z-index: 0;
    inset: 1px;
    border-radius: 50%;
    background: radial-gradient(circle,
            rgba(64, 199, 217, 0.22) 0%,
            rgba(64, 199, 217, 0.12) 44%,
            rgba(64, 199, 217, 0.05) 62%,
            rgba(64, 199, 217, 0) 80%);
    pointer-events: none;
}

.device-marker img {
    position: relative;
    z-index: 1;
    width: 30px;
    height: 30px;
    filter:
        drop-shadow(0 1.5px 0 #1c232b) drop-shadow(0 -1.5px 0 #1c232b) drop-shadow(1.5px 0 0 #1c232b) drop-shadow(-1.5px 0 0 #1c232b);
}

.device-marker.marker-online {
    color: var(--online);
    filter: drop-shadow(0 0 4px var(--online-glow));
}

.device-marker.marker-offline {
    color: var(--offline);
    filter: drop-shadow(0 0 4px var(--offline-glow));
}

.device-marker:hover {
    transform: scale(1.2);
}

.device-marker .marker-img {
    transition: opacity 0.15s ease, filter 0.15s ease;
}

.device-marker.marker-online:hover .marker-img {
    filter: drop-shadow(0 0 6px rgba(64, 199, 217, 0.8));
}

.device-marker.marker-offline .marker-img {
    opacity: 0.72;
    filter: brightness(0) saturate(100%) invert(43%) sepia(93%) saturate(1651%) hue-rotate(330deg) brightness(103%) contrast(101%) drop-shadow(0 0 4px var(--offline-glow));
}

.device-marker.marker-offline:hover .marker-img {
    opacity: 1;
    filter: drop-shadow(0 0 7px var(--offline-glow));
}

.filter-icon {
    display: block;
    width: 24px;
    height: 24px;
    flex: 0 0 24px;
    object-fit: contain;
    opacity: 0.88;
    transition: opacity 0.15s ease, filter 0.15s ease, transform 0.15s ease;
}

.filter-bar button {
    display: inline-flex;
    align-items: center;
    gap: 7px;
}

.filter-bar button:hover .filter-icon {
    opacity: 1;
    transform: scale(1.08);
    filter: drop-shadow(0 0 6px rgba(64, 199, 217, 0.8));
}

.filter-bar button.active .filter-icon {
    opacity: 1;
    filter: brightness(0.18);
}

.device-marker.selected {
    transform: scale(1.3);
    filter: drop-shadow(0 0 12px var(--accent));
}

/* ─── Side panel ──────────────────────────────────────────── */
.side-panel {
    background: var(--bg-1);
    border-left: 1px solid var(--border);
    display: grid;
    grid-template-rows: minmax(0, 1fr) minmax(0, 1fr);
    overflow: hidden;
}

.panel-section {
    overflow-y: auto;
    padding: 20px 24px;
    display: flex;
    flex-direction: column;
    min-height: 0;
}

.panel-section:first-child {
    border-bottom: 1px solid var(--border);
}

.panel-title {
    font-family: var(--font-mono);
    font-size: 10px;
    color: var(--text-3);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 14px;
    display: flex;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
}

.panel-title::before {
    content: '';
    width: 14px;
    height: 1px;
    background: var(--accent);
}

.empty-state {
    text-align: center;
    padding: 40px 20px;
    color: var(--text-2);
}

.empty-state-icon {
    width: 36px;
    height: 36px;
    margin: 0 auto 12px;
    opacity: 0.4;
}

.empty-state p {
    font-family: var(--font-mono);
    font-size: 11px;
    line-height: 1.6;
}

/* Device detail card */
.detail-card .detail-id {
    font-family: var(--font-mono);
    font-size: 20px;
    font-weight: 700;
    color: var(--text-0);
    margin-bottom: 4px;
    letter-spacing: 0.02em;
}

.detail-card .detail-type {
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--text-2);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 16px;
}

.status-pill {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 10px;
    border-radius: 3px;
    font-family: var(--font-mono);
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.status-pill.online {
    background: rgba(111, 207, 151, 0.12);
    color: var(--online);
    border: 1px solid rgba(111, 207, 151, 0.3);
}

.status-pill.offline {
    background: rgba(235, 87, 87, 0.12);
    color: var(--offline);
    border: 1px solid rgba(235, 87, 87, 0.3);
}

.status-pill::before {
    content: '';
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: currentColor;
}

.detail-rows {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-top: 18px;
}

.detail-row {
    display: grid;
    grid-template-columns: 110px 1fr;
    gap: 12px;
    align-items: start;
}

.detail-row .key {
    font-family: var(--font-mono);
    font-size: 10px;
    color: var(--text-3);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    padding-top: 2px;
}

.detail-row .val {
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--text-0);
    word-break: break-word;
}

.detail-row .val.empty {
    color: var(--text-3);
}

.detail-row .val.comments {
    font-size: 13px;
    color: var(--text-1);
    line-height: 1.5;
}

.detail-copy {
    width: 100%;
    padding: 3px 5px;
    margin: -3px -5px;
    border: 1px solid transparent;
    border-radius: 3px;
    background: transparent;
    color: inherit;
    font: inherit;
    text-align: left;
    cursor: copy;
    grid-template-columns: 110px minmax(0, 1fr) 16px;
    transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}

.detail-copy:hover,
.detail-copy.is-copied {
    border-color: var(--accent-dim);
    background: rgba(64, 199, 217, 0.055);
}

.detail-copy.is-copied .val,
.detail-copy.is-copied .detail-copy-mark {
    color: var(--online);
}

.detail-copy-mark {
    align-self: center;
    color: var(--text-3);
    font-family: var(--font-mono);
    font-size: 12px;
    text-align: center;
}

.detail-copy:hover .detail-copy-mark {
    color: var(--accent);
}

/* ─── Events list ────────────────────────────────────────── */
.events-list {
    display: flex;
    flex-direction: column;
    gap: 2px;
    flex: 1;
    min-height: 0;
}

.event-row {
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: 10px;
    align-items: center;
    padding: 8px 10px;
    border: 1px solid transparent;
    border-radius: 10px;
    cursor: pointer;
    transition: background 0.12s ease;
    font-family: var(--font-mono);
    font-size: 12px;
}

.event-row:hover {
    background: rgba(64, 199, 217, 0.08);
    border-color: rgba(64, 199, 217, 0.42);
    transform: translateX(3px);
    filter: none;
    box-shadow:
        inset 0 0 18px rgba(64, 199, 217, 0.08),
        0 0 10px rgba(64, 199, 217, 0.18);
}

.event-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    flex-shrink: 0;
    background: var(--online);
    box-shadow: 0 0 6px var(--online-glow);
}

.event-device {
    color: var(--text-0);
    font-weight: 600;
}

.event-arrow {
    color: var(--text-3);
}

.event-action {
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.event-action.positive {
    color: var(--online);
}

.event-action.negative {
    color: var(--offline);
}

/* ─── Login page ─────────────────────────────────────────── */
.login-screen {
    height: 100vh;
    display: grid;
    place-items: center;
    background:
        radial-gradient(circle at 20% 30%, rgba(255, 181, 71, 0.06), transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(111, 207, 151, 0.04), transparent 50%),
        var(--bg-0);
}

.login-screen::before {
    content: '';
    position: fixed;
    inset: 0;
    background-image:
        linear-gradient(rgba(44, 52, 61, 0.3) 1px, transparent 1px),
        linear-gradient(90deg, rgba(44, 52, 61, 0.3) 1px, transparent 1px);
    background-size: 40px 40px;
    pointer-events: none;
    mask-image: radial-gradient(circle at center, black 0%, transparent 70%);
}

.login-box {
    background: var(--bg-1);
    border: 1px solid var(--border);
    width: 100%;
    max-width: 380px;
    padding: 36px;
    position: relative;
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.5);
}

.login-box::before,
.login-box::after {
    content: '';
    position: absolute;
    width: 12px;
    height: 12px;
    border: 1px solid var(--accent);
}

.login-box::before {
    top: -1px;
    left: -1px;
    border-right: none;
    border-bottom: none;
}

.login-box::after {
    bottom: -1px;
    right: -1px;
    border-left: none;
    border-top: none;
}

.login-logo {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 28px;
}

.login-logo img {
    height: 36px;
    width: auto;
    filter: drop-shadow(0 0 12px rgba(255, 181, 71, 0.5));
}

.login-logo-text {
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--text-2);
    text-transform: uppercase;
    letter-spacing: 0.12em;
}

.login-logo-text strong {
    color: var(--text-0);
    font-weight: 700;
    letter-spacing: 0.18em;
    display: block;
    font-size: 14px;
    margin-bottom: 2px;
}

.login-title {
    font-family: var(--font-mono);
    font-size: 18px;
    font-weight: 700;
    color: var(--text-0);
    margin-bottom: 6px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.login-subtitle {
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--text-3);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 32px;
}

.login-subtitle::before {
    content: '> ';
    color: var(--accent);
}

/* ─── Forms ───────────────────────────────────────────────── */
.field {
    margin-bottom: 18px;
}

.field label {
    display: block;
    font-family: var(--font-mono);
    font-size: 10px;
    color: var(--text-3);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 8px;
}

.field input,
.field select,
.field textarea {
    width: 100%;
    background: var(--bg-2);
    border: 1px solid var(--border);
    color: var(--text-0);
    padding: 10px 12px;
    font-family: var(--font-mono);
    font-size: 13px;
    border-radius: 3px;
    outline: none;
    transition: border-color 0.15s ease, background 0.15s ease;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
    border-color: var(--accent);
    background: var(--bg-1);
}

.field textarea {
    min-height: 60px;
    resize: vertical;
    font-family: var(--font-sans);
}

.field-input-action {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 8px;
}

.field-input-action input {
    min-width: 0;
}

.field-random-btn {
    border: 1px solid var(--border);
    background: var(--bg-3);
    color: var(--text-2);
    font-family: var(--font-mono);
    font-size: 10px;
    font-weight: 800;
    letter-spacing: 0.12em;
    padding: 0 10px;
    text-transform: uppercase;
    cursor: pointer;
}

.field-random-btn:hover {
    border-color: var(--accent);
    color: var(--text-0);
}

.field-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
}

.field-row-3 {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 14px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 11px 18px;
    background: var(--accent);
    color: var(--bg-0);
    border: none;
    font-family: var(--font-mono);
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    border-radius: 3px;
    cursor: pointer;
    transition: all 0.15s ease;
    text-decoration: none;
}

.btn:hover {
    background: #ffc36a;
    transform: translateY(-1px);
}

.btn:active {
    transform: translateY(0);
}

.btn.full {
    width: 100%;
}

.btn.secondary {
    background: var(--bg-3);
    color: var(--text-0);
}

.btn.secondary:hover {
    background: var(--border-bright);
}

.btn.danger {
    background: var(--offline);
    color: white;
}

.btn.danger:hover {
    background: #d44747;
}

.btn.small {
    padding: 6px 10px;
    font-size: 11px;
}

.error-msg {
    background: rgba(235, 87, 87, 0.1);
    border: 1px solid rgba(235, 87, 87, 0.3);
    color: var(--offline);
    padding: 10px 12px;
    font-family: var(--font-mono);
    font-size: 12px;
    margin-bottom: 16px;
    border-radius: 3px;
}

.toast {
    position: fixed;
    top: 80px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--bg-1);
    border: 1px solid var(--accent);
    color: var(--text-0);
    padding: 12px 20px;
    font-family: var(--font-mono);
    font-size: 12px;
    border-radius: 4px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    z-index: 2000;
    animation: toastIn 0.2s ease-out;
}

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

    to {
        opacity: 1;
        transform: translate(-50%, 0);
    }
}

.hint {
    margin-top: 28px;
    padding-top: 20px;
    border-top: 1px dashed var(--border);
    font-family: var(--font-mono);
    font-size: 10px;
    color: var(--text-3);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    line-height: 1.8;
}

.hint code {
    color: var(--accent);
    background: var(--bg-2);
    padding: 1px 5px;
    border-radius: 2px;
}

/* ─── Admin page ──────────────────────────────────────────── */
.admin-container {
    height: calc(100vh - 60px);
    overflow-y: auto;
    padding: 32px;
    background: var(--bg-0);
}

.admin-inner {
    max-width: 1280px;
    margin: 0 auto;
}

.admin-tabs button,
.admin-tabs a {
    background: transparent;
    border: none;
    color: var(--text-2);
    padding: 12px 20px;
    font-family: var(--font-mono);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    cursor: pointer;
    border-bottom: 2px solid transparent;
    margin-bottom: -1px;
    transition: all 0.15s ease;
    text-decoration: none;
}

.admin-tabs button:hover,
.admin-tabs a:hover {
    color: var(--text-0);
}

.admin-tabs button.active,
.admin-tabs a.active {
    color: var(--accent);
    border-bottom-color: var(--accent);
}

.admin-toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    gap: 16px;
}

.admin-toolbar h2 {
    font-family: var(--font-sans);
    font-size: 20px;
    font-weight: 600;
    letter-spacing: -0.01em;
}

.admin-toolbar h2 span {
    font-family: var(--font-mono);
    color: var(--text-3);
    font-weight: 400;
    font-size: 14px;
    margin-left: 8px;
}

.toolbar-actions {
    display: flex;
    gap: 10px;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--bg-1);
    border: 1px solid var(--border);
}

.data-table thead th {
    text-align: left;
    padding: 12px 16px;
    font-family: var(--font-mono);
    font-size: 10px;
    font-weight: 600;
    color: var(--text-3);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    border-bottom: 1px solid var(--border);
    background: var(--bg-2);
    white-space: nowrap;
}

.data-table tbody td {
    padding: 12px 16px;
    border-bottom: 1px solid var(--border);
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--text-1);
    vertical-align: middle;
}

.data-table tbody tr:last-child td {
    border-bottom: none;
}

.data-table tbody tr:hover {
    background: var(--bg-2);
}

.data-table .device-id-cell {
    color: var(--text-0);
    font-weight: 600;
}

.data-table .row-actions {
    display: flex;
    gap: 6px;
    justify-content: flex-end;
}

.event-tag {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 3px 8px;
    border-radius: 3px;
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-weight: 600;
}

.event-tag.login_success {
    background: rgba(111, 207, 151, 0.12);
    color: var(--online);
}

.event-tag.login_failed {
    background: rgba(235, 87, 87, 0.12);
    color: var(--offline);
}

.event-tag.logout {
    background: rgba(170, 180, 190, 0.12);
    color: var(--text-1);
}

/* ─── Measurement audit log ─────────────────────────────── */
.measurement-log-table {
    table-layout: fixed;
}

.measurement-log-table th:nth-child(1) {
    width: 145px;
}

.measurement-log-table th:nth-child(2) {
    width: 145px;
}

.measurement-log-table th:nth-child(3) {
    width: 62px;
    text-align: center;
}

.measurement-log-table th:nth-child(4) {
    width: 82px;
}

.measurement-log-table th:nth-child(5) {
    width: 300px;
}

.measurement-log-table th:nth-child(6) {
    width: 220px;
}

.measurement-log-table th:nth-child(7) {
    width: 115px;
}

.measurement-log-table th:nth-child(8) {
    width: 54px;
}

.measurement-log-table td:nth-child(3) {
    text-align: center;
}

.measurement-segment-log-row.is-deleted td {
    background: rgba(232, 90, 103, 0.018);
}

.measurement-audit-status {
    width: 10px;
    height: 10px;
    display: inline-block;
    border-radius: 50%;
}

.measurement-audit-status.is-saved {
    background: var(--online);
    box-shadow: 0 0 9px var(--online-glow);
}

.measurement-audit-status.is-deleted {
    background: var(--offline);
    box-shadow: 0 0 9px rgba(232, 90, 103, 0.52);
}

.measurement-audit-route {
    color: var(--text-0) !important;
    font-weight: 700;
    white-space: nowrap;
}

.measurement-endpoint-stack {
    display: grid;
    gap: 3px;
}

.measurement-coordinate {
    width: max-content;
    max-width: 100%;
    display: grid;
    grid-template-columns: 22px max-content 18px;
    align-items: center;
    gap: 6px;
    padding: 4px 6px;
    border: 1px solid transparent;
    border-radius: 3px;
    background: transparent;
    color: var(--text-1);
    font-family: var(--font-mono);
    font-size: 10px;
    text-align: left;
    cursor: copy;
    white-space: nowrap;
}

.measurement-coordinate:hover,
.measurement-coordinate.is-copied {
    border-color: var(--accent-dim);
    background: rgba(64, 199, 217, 0.055);
    color: var(--text-0);
}

.measurement-coordinate.is-copied {
    color: var(--online);
}

.measurement-coordinate-label {
    color: var(--accent);
    font-weight: 700;
}

.measurement-copy-mark {
    color: var(--text-3);
    font-size: 11px;
    text-align: center;
}

.measurement-coordinate:hover .measurement-copy-mark,
.measurement-coordinate.is-copied .measurement-copy-mark {
    color: currentColor;
}

.measurement-equipment-line {
    min-width: 0;
    min-height: 29px;
    display: flex;
    align-items: center;
    padding: 4px 0;
    overflow: hidden;
    color: var(--text-1);
    font-family: var(--font-mono);
    font-size: 10px;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.measurement-equipment-line.is-empty {
    color: var(--text-3);
}

.measurement-distance {
    color: var(--accent) !important;
    font-weight: 700;
    white-space: nowrap;
}

.measurement-log-actions {
    text-align: right;
}

.measurement-log-delete {
    width: 32px;
    height: 32px;
    display: inline-grid;
    place-items: center;
    padding: 0;
    border: 1px solid rgba(232, 90, 103, 0.28);
    border-radius: 4px;
    background: rgba(232, 90, 103, 0.06);
    color: var(--offline);
    cursor: pointer;
    transition: border-color 0.15s ease, background 0.15s ease, color 0.15s ease;
}

.measurement-log-delete svg {
    width: 15px;
    height: 15px;
    fill: none;
    stroke: currentColor;
    stroke-width: 1.7;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.measurement-log-delete:hover:not(:disabled) {
    border-color: var(--offline);
    background: rgba(232, 90, 103, 0.14);
    color: #ff7481;
}

.measurement-log-delete:disabled {
    opacity: 0.4;
    cursor: wait;
}

.measurement-log-empty {
    padding: 30px !important;
    text-align: center;
    color: var(--text-3) !important;
}

.measurement-log-error {
    color: var(--offline) !important;
}

@media (max-width: 980px) {
    .measurement-log-table {
        min-width: 920px;
    }
}

/* ─── Modal ───────────────────────────────────────────────── */
.modal-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    display: none;
    place-items: center;
    z-index: 1000;
    backdrop-filter: blur(4px);
}

.modal-backdrop.active {
    display: grid;
}

.modal {
    background: var(--bg-1);
    border: 1px solid var(--border);
    width: 100%;
    max-width: 560px;
    padding: 28px;
    position: relative;
    max-height: 90vh;
    overflow-y: auto;
}

.modal-title {
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--text-3);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 20px;
}

.modal-title::before {
    content: '> ';
    color: var(--accent);
}

.modal-actions {
    display: flex;
    gap: 10px;
    justify-content: flex-end;
    margin-top: 24px;
    padding-top: 20px;
    border-top: 1px solid var(--border);
}

/* ─── Map layer toggle ────────────────────────────────────── */
.map-layer-toggle {
    display: flex;
    background: #0a0d10;
    border: 1px solid #2c343d;
    border-radius: 3px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
    margin-top: 4px;
}

.layer-btn {
    padding: 5px 11px;
    border: none;
    background: transparent;
    color: #4a535d;
    font-family: var(--font-mono);
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    cursor: pointer;
    transition: background 0.1s, color 0.1s;
    white-space: nowrap;
}

.layer-btn+.layer-btn {
    border-left: 1px solid #2c343d;
}

.layer-btn:hover {
    background: #141b22;
    color: #e8eef3;
}

.layer-btn.active {
    background: #141b22;
    color: var(--accent);
}

/* ─── Popup на карте ──────────────────────────────────────── */
.leaflet-popup-content-wrapper {
    background: var(--bg-1) !important;
    color: var(--text-0) !important;
    border: 1px solid var(--border) !important;
    border-radius: 3px !important;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.5) !important;
}

.leaflet-popup-tip {
    background: var(--bg-1) !important;
}

.leaflet-popup-content {
    font-family: var(--font-mono) !important;
    font-size: 12px !important;
    margin: 10px 14px !important;
}

.leaflet-container a.leaflet-popup-close-button {
    color: var(--text-2) !important;
}

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

::-webkit-scrollbar-track {
    background: var(--bg-0);
}

::-webkit-scrollbar-thumb {
    background: var(--bg-3);
    border-radius: 4px;
}

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

/* ─── Animations ─────────────────────────────────────────── */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(4px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 0.2s ease-out;
}


/* ─── v2: map-first layout ───────────────────────────────── */
.app-main {
    position: relative;
    display: block;
    height: calc(100vh - 60px);
    padding: 12px;
    background: #070b0f;
}

#map {
    width: 100%;
    height: 100%;
    overflow: hidden;
    border: 1px solid var(--border);
    border-radius: 12px;
}

.side-panel {
    position: absolute;
    z-index: 1100;
    top: 76px;
    right: 28px;
    bottom: 28px;
    width: 380px;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    background: rgba(17, 22, 27, 0.94);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(12px);
}

/* ─── v2: client stats ───────────────────────────────────── */
.stat-block {
    position: relative;
    min-width: 138px;
    padding: 7px 18px 7px 30px;
    gap: 1px;
    border-right: 1px solid var(--border);
    border-radius: 6px;
    background: linear-gradient(90deg,
            rgba(85, 217, 138, 0.07),
            transparent);
}

.stat-block::before {
    content: '';
    position: absolute;
    top: 13px;
    left: 13px;
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--online);
    box-shadow: 0 0 10px var(--online-glow);
}

.stat-label {
    color: var(--text-2);
    font-size: 9px;
    letter-spacing: 0.14em;
}

.stat-value {
    gap: 7px;
    font-size: 17px;
    line-height: 1.2;
}

.stat-value .online-num {
    color: var(--online);
    font-size: 21px;
    text-shadow: 0 0 12px var(--online-glow);
}

.stat-value .total-sep {
    color: var(--text-3);
}

/* ─── v2: responsive header ──────────────────────────────── */
@media (max-width: 900px) {
    .app-header {
        height: 116px;
        padding: 0 14px 10px;
        gap: 0 12px;
        flex-wrap: wrap;
        align-content: center;
    }

    .brand {
        order: 1;
        height: 52px;
        padding-right: 0;
        border-right: none;
    }

    .header-right {
        order: 2;
        flex: 1;
        min-width: 0;
        gap: 12px;
        justify-content: flex-end;
    }

    .filter-bar {
        order: 3;
        flex: 0 0 100%;
        overflow-x: auto;
        overscroll-behavior-x: contain;
        scrollbar-width: none;
    }

    .filter-bar::-webkit-scrollbar {
        display: none;
    }

    .filter-bar button {
        flex: 0 0 auto;
    }

    .app-main {
        height: calc(100vh - 116px);
    }
}

@media (max-width: 560px) {

    .brand-name,
    .brand-sep,
    .brand-sub,
    .stat-label,
    .user-name {
        display: none;
    }

    .header-right {
        gap: 8px;
    }

    .stat-block {
        flex-direction: row;
        padding-right: 8px;
    }

    .stream-link {
        padding: 6px 8px;
    }
}

/* ─── v2: map filters toolbar ─────────────────────────────── */
/* ─── v2: header filters ──────────────────────────────────── */
.filter-bar {
    position: static;
    z-index: auto;
    flex: 1 1 auto;
    min-width: 160px;
    max-width: none;
    padding: 4px;
    gap: 3px;
    overflow-x: auto;
    background: rgba(16, 31, 36, 0.72);
    border: 1px solid rgba(64, 199, 217, 0.16);
    border-radius: 10px;
    box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, 0.03),
        0 6px 20px rgba(0, 0, 0, 0.2);
    scrollbar-width: none;
}

.filter-bar::-webkit-scrollbar {
    display: none;
}

.filter-bar button {
    flex: 0 0 auto;
    min-height: 32px;
    padding: 6px 11px;
    border: 1px solid transparent;
    border-radius: 7px;
    white-space: nowrap;
}

.filter-bar button:hover {
    color: var(--text-0);
    border-color: rgba(64, 199, 217, 0.18);
    background: rgba(64, 199, 217, 0.08);
}

.filter-bar button.active {
    color: #031014;
    border-color: rgba(64, 199, 217, 0.7);
    background: linear-gradient(135deg, #57d5e4, var(--accent));
    box-shadow: 0 4px 14px rgba(64, 199, 217, 0.2);
}

@media (max-width: 900px) {
    .filter-bar {
        order: 3;
        flex: 0 0 100%;
        width: 100%;
    }
}

/* ─── v2: device card header ──────────────────────────────── */
.detail-card {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    column-gap: 16px;
    align-items: start;
}

.detail-card .detail-id {
    grid-column: 1;
    grid-row: 1;
    margin: 0;
    overflow: hidden;
    color: var(--text-0);
    font-size: 22px;
    line-height: 1.2;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.detail-card .detail-type {
    grid-column: 1;
    grid-row: 2;
    margin: 6px 0 0;
    color: var(--accent);
}

.detail-card .status-pill {
    grid-column: 2;
    grid-row: 1 / span 2;
    align-self: center;
    border-radius: 999px;
}

.detail-card .detail-rows {
    grid-column: 1 / -1;
    padding-top: 18px;
    border-top: 1px solid rgba(64, 199, 217, 0.14);
}

/* ─── v2: device card header ──────────────────────────────── */
.detail-card {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    column-gap: 16px;
    align-items: start;
}

.detail-card .detail-id {
    grid-column: 1;
    grid-row: 1;
    margin: 0;
    overflow: hidden;
    color: var(--text-0);
    font-size: 22px;
    line-height: 1.2;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.detail-card .detail-type {
    grid-column: 1;
    grid-row: 2;
    margin: 6px 0 0;
    color: var(--accent);
}

.detail-card .status-pill {
    grid-column: 2;
    grid-row: 1 / span 2;
    align-self: center;
    border-radius: 999px;
}

.detail-card .detail-rows {
    grid-column: 1 / -1;
    padding-top: 18px;
    border-top: 1px solid rgba(64, 199, 217, 0.14);
}

@media (min-width: 901px) {
    .app-header>.filter-bar {
        flex: 0 1 auto;
        width: max-content;
        min-width: 0;
        padding-right: 18px;
    }
}

.header-controls {
    min-width: 0;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 14px;
}

.header-controls .filter-bar {
    flex: 0 1 auto;
    width: max-content;
    min-width: 0;
    padding-right: 18px;
}

.status-filter {
    flex: 0 0 auto;
    display: inline-flex;
    align-items: center;
    gap: 3px;
    padding: 4px;
    background: rgba(16, 31, 36, 0.72);
    border: 1px solid rgba(64, 199, 217, 0.16);
    border-radius: 10px;
    box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, 0.03),
        0 6px 20px rgba(0, 0, 0, 0.2);
}

.status-filter button {
    min-height: 32px;
    padding: 6px 10px;
    border: 1px solid transparent;
    border-radius: 7px;
    background: transparent;
    color: var(--text-2);
    font-family: var(--font-mono);
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    white-space: nowrap;
    cursor: pointer;
}

.status-filter button:hover {
    color: var(--text-0);
    border-color: rgba(64, 199, 217, 0.18);
    background: rgba(64, 199, 217, 0.08);
}

.status-filter button.active {
    color: #031014;
    border-color: rgba(64, 199, 217, 0.7);
    background: var(--accent);
}

.status-filter button[data-status="online"].active {
    border-color: var(--online);
    background: var(--online);
}

.status-filter button[data-status="offline"].active {
    border-color: var(--offline);
    background: var(--offline);
}

@media (min-width: 901px) {
    .app-header {
        display: grid;
        grid-template-columns: auto minmax(0, 1fr) auto;
        align-items: center;
        gap: 24px;
    }

    .header-right {
        margin-left: 0;
    }
}

@media (max-width: 900px) {
    .header-controls {
        order: 3;
        flex: 0 0 100%;
        gap: 8px;
    }

    .header-controls .filter-bar {
        order: initial;
        flex: 1 1 auto;
        min-width: 0;
    }

    .header-controls .status-filter,
    .header-controls .stream-link {
        flex: 0 0 auto;
    }
}

@media (max-width: 560px) {
    .status-filter button {
        padding-inline: 7px;
        font-size: 9px;
    }

    .header-controls {
        gap: 6px;
    }
}

.status-filter button[data-status="online"].active {
    border-color: var(--accent);
    background: var(--accent);
}