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

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

:root {
    --bg-0: #0a0d10;
    --bg-1: #11161b;
    --bg-2: #1a2026;
    --bg-3: #232a31;
    --border: #2c343d;
    --border-bright: #3a444f;

    --text-0: #e8eef3;
    --text-1: #aab4be;
    --text-2: #6c7884;
    --text-3: #4a535d;

    --accent: #ffb547;
    --accent-dim: #c98c2c;
    --online: #6fcf97;
    --online-glow: rgba(111, 207, 151, 0.35);
    --offline: #eb5757;
    --offline-glow: rgba(235, 87, 87, 0.35);

    --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(--text-0); background: var(--bg-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 ──────────────────────────────────── */
.leaflet-tile-pane { filter: brightness(0.6) contrast(1.1) saturate(0.7) hue-rotate(180deg) invert(0.9); }
.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;
}

/* ─── Device marker ──────────────────────────────────────── */
.device-marker {
    width: 34px;
    height: 34px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.15s ease;
}

.device-marker img {
    width: 34px;
    height: 34px;
    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.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;
}

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

.event-row {
    display: grid;
    grid-template-columns: auto auto 1fr auto;
    gap: 10px;
    align-items: center;
    padding: 8px 10px;
    border-radius: 3px;
    cursor: pointer;
    transition: background 0.12s ease;
    font-family: var(--font-mono);
    font-size: 12px;
}

.event-row:hover { background: var(--bg-2); }

.event-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    flex-shrink: 0;
}

.event-dot.positive { background: var(--online); box-shadow: 0 0 6px var(--online-glow); }
.event-dot.negative { background: var(--offline); box-shadow: 0 0 6px var(--offline-glow); }

.event-time { color: var(--text-3); font-size: 11px; }
.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-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 {
    display: flex;
    gap: 0;
    border-bottom: 1px solid var(--border);
    margin-bottom: 24px;
}

.admin-tabs button {
    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;
}

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

/* ─── 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; }