/* =========================================================
   PrivateRMM — cyberpunk / terminal theme
   ========================================================= */

:root {
        --bg: #080808;
    --bg-elevated: #0d0d0d;
    --panel: #111111;
    --panel-2: #161616;
    --sidebar: #0a0a0a;
    --sidebar-secondary: #121212;

    --border: #222222;
    --border-bright: #3a3a3a;

    --text: #f0f0f0;
    --text-secondary: #999999;
    --text-light: #555555;

    --primary: #e8e8e8;
    --primary-dim: #aaaaaa;
    --primary-glow: rgba(255, 255, 255, 0.15);

    --info: #c0c0c0;

    --success: #d0d0d0;
    --success-background: rgba(255, 255, 255, 0.06);

    --danger: #ff3b5c;
    --danger-background: rgba(255, 59, 92, 0.12);

    --warning: #ffb020;
    --warning-background: rgba(255, 176, 32, 0.12);

    --border-radius: 2px;
    --radius-small: 2px;
    --radius-medium: 2px;
    --radius-large: 2px;

    --shadow:
        0 0 0 1px rgba(0, 255, 156, 0.04),
        0 12px 32px rgba(0, 0, 0, 0.55);

    --mono: 'JetBrains Mono', 'Share Tech Mono', ui-monospace, 'Courier New', monospace;
    --display: 'Share Tech Mono', 'JetBrains Mono', ui-monospace, monospace;
}

* { box-sizing: border-box; }
html { min-height: 100%; }

body {
    min-height: 100vh;
    margin: 0;
    font-family: var(--mono);
    font-size: 13.5px;
    color: var(--text);
    background: var(--bg);
    position: relative;
}

body::before {
    content: '';
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 9999;
    background: repeating-linear-gradient(
        0deg,
        rgba(0, 255, 156, 0.018) 0px,
        rgba(0, 255, 156, 0.018) 1px,
        transparent 1px,
        transparent 3px
    );
    mix-blend-mode: overlay;
}

body::after {
    content: '';
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 9998;
    background: radial-gradient(ellipse at 50% 0%, rgba(0, 255, 156, 0.05), transparent 60%);
}

button, input { font: inherit; color: inherit; }
button { cursor: pointer; }
::selection { background: var(--primary); color: #041008; }

::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border-bright); border: 2px solid var(--bg); }

.device-card, .statistic-card, .detail-panel, .chart-card, .login-card,
.device-summary-card, .file-explorer-panel, .command-panel, .performance-panel,
.resource-panel, .live-screen-panel {
    position: relative;
    background: linear-gradient(180deg, var(--panel), var(--panel-2));
    border: 1px solid var(--border);
    clip-path: polygon(14px 0, 100% 0, 100% calc(100% - 14px), calc(100% - 14px) 100%, 0 100%, 0 14px);
}

.device-card::after, .statistic-card::after, .detail-panel::after, .chart-card::after,
.login-card::after, .device-summary-card::after, .file-explorer-panel::after,
.command-panel::after, .performance-panel::after, .resource-panel::after,
.live-screen-panel::after {
    content: '';
    position: absolute;
    top: 0; left: 0;
    width: 14px; height: 14px;
    border-top: 1px solid var(--primary);
    border-left: 1px solid var(--primary);
    opacity: 0.6;
    pointer-events: none;
}

/* =========================================================
   Layout shell
   ========================================================= */

.application {
    display: grid;
    grid-template-columns: 250px 1fr;
    min-height: 100vh;
}

.sidebar {
    position: fixed;
    inset: 0 auto 0 0;
    display: flex;
    flex-direction: column;
    width: 250px;
    padding: 24px 18px;
    background: var(--sidebar);
    border-right: 1px solid var(--border);
}

.brand {
    display: flex;
    align-items: center;
    gap: 12px;
    padding-bottom: 22px;
    margin-bottom: 18px;
    border-bottom: 1px solid var(--border);
}

.brand-logo {
    width: 38px; height: 38px;
    display: flex; align-items: center; justify-content: center;
    font-family: var(--display); font-weight: 700; font-size: 13px;
    color: #041008; background: var(--primary);
    box-shadow: 0 0 18px var(--primary-glow);
    clip-path: polygon(6px 0, 100% 0, 100% calc(100% - 6px), calc(100% - 6px) 100%, 0 100%, 0 6px);
}

.brand h1 {
    margin: 0;
    font-family: var(--display); font-size: 15px; letter-spacing: 0.06em; color: var(--text);
}
.brand h1::after { content: '_'; color: var(--primary); animation: blink 1.1s step-end infinite; }
.brand p { margin: 2px 0 0; font-size: 10.5px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--text-light); }

@keyframes blink { 0%, 45% { opacity: 1; } 50%, 100% { opacity: 0; } }

.navigation { display: flex; flex-direction: column; gap: 4px; flex: 1; }

.navigation-item {
    display: flex; align-items: center; gap: 10px;
    padding: 10px 12px;
    background: transparent; border: 1px solid transparent;
    color: var(--text-secondary);
    font-family: var(--mono); font-size: 12.5px; text-align: left; letter-spacing: 0.03em;
    transition: all 0.12s ease;
}
.navigation-item:not(:disabled):hover { color: var(--primary); border-color: var(--border-bright); background: rgba(0, 255, 156, 0.04); }
.navigation-item.active { color: var(--primary); background: rgba(0, 255, 156, 0.07); border-color: var(--border-bright); }
.navigation-item:disabled { opacity: 0.35; cursor: not-allowed; }
.navigation-icon { font-size: 14px; width: 16px; text-align: center; }

.sidebar-footer { padding-top: 16px; border-top: 1px solid var(--border); }

.server-indicator { display: flex; align-items: center; gap: 10px; font-size: 11.5px; }
.server-indicator strong { display: block; font-size: 12px; color: var(--text); font-weight: 500; }
.server-indicator small { color: var(--text-light); font-size: 10.5px; letter-spacing: 0.05em; text-transform: uppercase; }

.status-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--text-light); flex-shrink: 0; position: relative; }
.status-dot.online { background: var(--primary); box-shadow: 0 0 8px var(--primary-glow); }
.status-dot.online::after { content: ''; position: absolute; inset: -5px; border-radius: 50%; border: 1px solid var(--primary); animation: radar 1.8s ease-out infinite; }
.status-dot.offline { background: var(--danger); }

@keyframes radar { 0% { transform: scale(0.6); opacity: 0.8; } 100% { transform: scale(2.4); opacity: 0; } }

.main-content { grid-column: 2; padding: 28px 32px 60px; min-width: 0; }

.top-header { display: flex; align-items: flex-start; justify-content: space-between; gap: 24px; margin-bottom: 28px; flex-wrap: wrap; }
.eyebrow { margin: 0 0 6px; font-size: 10.5px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--primary); }
.top-header h2 { margin: 0; font-family: var(--display); font-size: 22px; letter-spacing: 0.02em; color: var(--text); }
.header-description { margin: 6px 0 0; color: var(--text-secondary); font-size: 12.5px; max-width: 46ch; }
.header-actions { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.last-update { text-align: right; font-size: 11px; }
.last-update span { display: block; color: var(--text-light); letter-spacing: 0.04em; text-transform: uppercase; font-size: 10px; }
.last-update strong { color: var(--text); font-weight: 500; }

/* =========================================================
   Buttons
   ========================================================= */

.primary-button, .secondary-button, .warning-button, .danger-button {
    padding: 9px 16px;
    font-family: var(--mono); font-size: 12px; font-weight: 600; letter-spacing: 0.03em;
    border: 1px solid transparent;
    transition: all 0.12s ease;
    clip-path: polygon(8px 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%, 0 8px);
}
.primary-button { background: var(--primary); color: #041008; }
.primary-button:hover:not(:disabled) { box-shadow: 0 0 16px var(--primary-glow); }
.primary-button:disabled { background: var(--border-bright); color: var(--text-light); cursor: not-allowed; }
.secondary-button { background: transparent; border-color: var(--border-bright); color: var(--text-secondary); }
.secondary-button:hover:not(:disabled) { color: var(--primary); border-color: var(--primary); }
.secondary-button:disabled { opacity: 0.4; cursor: not-allowed; }
.warning-button { background: transparent; border-color: var(--warning); color: var(--warning); }
.warning-button:hover:not(:disabled) { background: var(--warning-background); }
.danger-button { background: transparent; border-color: var(--danger); color: var(--danger); }
.danger-button:hover:not(:disabled) { background: var(--danger-background); }
.compact-button { padding: 5px 10px; font-size: 11px; }

/* =========================================================
   Statistics, Devices, Cards
   ========================================================= */

.statistics-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-bottom: 24px; }
.statistic-card { padding: 16px 18px; }
.statistic-heading { display: flex; align-items: center; justify-content: space-between; font-size: 10.5px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--text-light); margin-bottom: 10px; }
.statistic-icon { font-size: 14px; color: var(--text-light); }
.statistic-icon.online-icon { color: var(--primary); }
.statistic-icon.offline-icon { color: var(--danger); }
.statistic-card strong { display: block; font-family: var(--display); font-size: 26px; color: var(--text); }
.statistic-card small { color: var(--text-light); font-size: 11px; }

.devices-section { margin-top: 8px; }
.section-header { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-bottom: 16px; flex-wrap: wrap; }
.section-header h3 { margin: 0; font-family: var(--display); font-size: 16px; color: var(--text); }
.section-header p { margin: 4px 0 0; font-size: 11.5px; color: var(--text-light); }
.search-container input { background: var(--panel); border: 1px solid var(--border-bright); color: var(--text); padding: 9px 12px; font-family: var(--mono); font-size: 12.5px; min-width: 220px; outline: none; }
.search-container input:focus { border-color: var(--primary); }
.search-container input::placeholder { color: var(--text-light); }

.message { padding: 12px 16px; font-size: 12px; border: 1px solid var(--border-bright); margin-bottom: 16px; }
.loading-message { color: var(--text-secondary); }
.error-message { color: var(--danger); border-color: var(--danger); background: var(--danger-background); }
.empty-message { color: var(--text-light); }
.hidden { display: none !important; }

.devices-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 14px; }
.device-card { padding: 18px; display: flex; flex-direction: column; gap: 14px; }
.clickable-card { cursor: pointer; }
.clickable-card:hover { border-color: var(--border-bright); box-shadow: 0 0 0 1px var(--primary-glow); }
.device-card-header { display: flex; align-items: flex-start; justify-content: space-between; gap: 10px; }
.device-identity { display: flex; align-items: center; gap: 10px; min-width: 0; }
.computer-icon { width: 32px; height: 32px; display: flex; align-items: center; justify-content: center; background: var(--panel-2); border: 1px solid var(--border-bright); color: var(--primary); flex-shrink: 0; }
.device-hostname { margin: 0; font-size: 13.5px; color: var(--text); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.device-username { margin: 2px 0 0; font-size: 11px; color: var(--text-light); }
.device-status { font-size: 10px; letter-spacing: 0.06em; text-transform: uppercase; padding: 3px 9px; border: 1px solid var(--border-bright); white-space: nowrap; }
.device-status.online { color: var(--primary); border-color: var(--primary); }
.device-status.offline { color: var(--danger); border-color: var(--danger); }
.device-system p { margin: 0; font-size: 11.5px; color: var(--text-secondary); }
.device-system p + p { margin-top: 4px; }
.metrics { display: flex; flex-direction: column; gap: 10px; }
.metric-header { display: flex; justify-content: space-between; font-size: 11px; color: var(--text-secondary); margin-bottom: 4px; }
.metric-header strong { color: var(--text); font-weight: 600; }
.progress-track { height: 5px; background: var(--panel-2); border: 1px solid var(--border); overflow: hidden; }
.progress-track.large { height: 8px; }
.progress-bar { height: 100%; width: 0%; background: var(--primary); transition: width 0.3s ease; }
.progress-bar.warning { background: var(--warning); }
.progress-bar.danger { background: var(--danger); }
.device-details { display: grid; grid-template-columns: 1fr 1fr; gap: 8px 14px; padding-top: 10px; border-top: 1px solid var(--border); }
.device-details div { display: flex; flex-direction: column; gap: 2px; }
.device-details span { font-size: 9.5px; letter-spacing: 0.06em; text-transform: uppercase; color: var(--text-light); }
.device-details strong { font-size: 11.5px; color: var(--text); font-weight: 500; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.device-card-footer { display: flex; align-items: center; justify-content: space-between; padding-top: 10px; border-top: 1px solid var(--border); }
.device-id { font-size: 10px; color: var(--text-light); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-width: 140px; }

/* =========================================================
   Login
   ========================================================= */

.login-body { display: flex; align-items: center; justify-content: center; min-height: 100vh; background: var(--bg); }
.login-container { width: 100%; max-width: 380px; padding: 20px; }
.login-card { padding: 34px 30px; text-align: center; }
.login-logo { width: 52px; height: 52px; margin: 0 auto 18px; display: flex; align-items: center; justify-content: center; font-family: var(--display); font-weight: 700; font-size: 16px; color: #041008; background: var(--primary); box-shadow: 0 0 24px var(--primary-glow); clip-path: polygon(8px 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%, 0 8px); }
.login-card h1 { margin: 0 0 6px; font-family: var(--display); font-size: 20px; letter-spacing: 0.04em; color: var(--text); }
.login-description { margin: 0 0 26px; font-size: 12px; color: var(--text-light); }
#loginForm { text-align: left; display: flex; flex-direction: column; gap: 5px; }
#loginForm label { font-size: 10.5px; letter-spacing: 0.06em; text-transform: uppercase; color: var(--text-secondary); margin-top: 10px; }
#loginForm input { background: var(--panel-2); border: 1px solid var(--border-bright); color: var(--text); padding: 10px 12px; font-family: var(--mono); font-size: 13px; outline: none; }
#loginForm input:focus { border-color: var(--primary); }
.login-error { margin-top: 12px; padding: 10px 12px; font-size: 11.5px; color: var(--danger); border: 1px solid var(--danger); background: var(--danger-background); }
.login-button { margin-top: 20px; width: 100%; text-align: center; }

/* =========================================================
   Detail / computer page
   ========================================================= */

.command-panel { padding: 20px 22px; margin-bottom: 20px; display: flex; align-items: center; justify-content: space-between; gap: 20px; flex-wrap: wrap; }
.command-panel h3 { margin: 0 0 4px; font-family: var(--display); font-size: 14px; color: var(--text); }
.command-panel p { margin: 0; font-size: 11.5px; color: var(--text-light); max-width: 42ch; }
.command-buttons { display: flex; gap: 10px; flex-wrap: wrap; }
.command-message { margin-top: 12px; padding: 10px 14px; font-size: 11.5px; border: 1px solid var(--border-bright); width: 100%; }
.command-message.success { color: var(--primary); border-color: var(--primary); background: var(--success-background); }
.command-message.error { color: var(--danger); border-color: var(--danger); background: var(--danger-background); }
.performance-panel { padding: 20px 22px; margin-bottom: 20px; }
.performance-panel h2 { margin: 0 0 16px; font-family: var(--display); font-size: 15px; color: var(--text); }
.chart-card { padding: 14px 16px; margin-bottom: 14px; clip-path: none !important; border: 1px solid var(--border); background: var(--panel-2); }
.chart-card::after { display: none; }
.chart-card:last-child { margin-bottom: 0; }
.chart-card h3 { margin: 0 0 10px; font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--text-secondary); }
.chart-card canvas { max-height: 160px; }
.detail-summary-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-bottom: 20px; }
.device-summary-card { padding: 16px; display: flex; flex-direction: column; gap: 8px; }
.device-summary-card span { font-size: 10px; letter-spacing: 0.06em; text-transform: uppercase; color: var(--text-light); }
.device-summary-card strong { font-family: var(--display); font-size: 20px; color: var(--text); }
.detail-layout { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; margin-bottom: 20px; }
.detail-panel { padding: 18px 20px; }
.detail-panel-header h3 { margin: 0 0 4px; font-family: var(--display); font-size: 13.5px; color: var(--text); }
.detail-panel-header p { margin: 0 0 14px; font-size: 11px; color: var(--text-light); }
.detail-list { display: flex; flex-direction: column; gap: 10px; }
.detail-row { display: flex; justify-content: space-between; gap: 12px; font-size: 12px; padding-bottom: 8px; border-bottom: 1px solid var(--border); }
.detail-row:last-child { border-bottom: none; padding-bottom: 0; }
.detail-row span { color: var(--text-light); }
.detail-row strong { color: var(--text); font-weight: 500; text-align: right; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-width: 60%; }
.resource-panel { padding: 20px 22px; margin-bottom: 20px; }
.resource-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 16px; }

/* =========================================================
   File explorer
   ========================================================= */

.file-explorer-panel { padding: 20px 22px; margin-bottom: 20px; }
.file-explorer-header { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; margin-bottom: 14px; flex-wrap: wrap; }
.file-explorer-header h2 { margin: 0; font-family: var(--display); font-size: 15px; color: var(--text); }
#fileExplorerPath { margin: 4px 0 0; font-size: 11.5px; color: var(--text-light); font-family: var(--mono); }
.file-explorer-actions { display: flex; gap: 8px; }
.file-table-wrapper { overflow-x: auto; border: 1px solid var(--border); }
.file-table { width: 100%; border-collapse: collapse; font-size: 12px; }
.file-table thead { background: var(--panel-2); }
.file-table th { text-align: left; padding: 9px 12px; font-size: 10px; letter-spacing: 0.06em; text-transform: uppercase; color: var(--text-light); border-bottom: 1px solid var(--border-bright); }
.file-table td { padding: 8px 12px; border-bottom: 1px solid var(--border); color: var(--text-secondary); }
.file-table tr:last-child td { border-bottom: none; }
.file-table tr:hover td { background: rgba(0, 255, 156, 0.03); }
.file-name-button { background: none; border: none; color: var(--text); font-family: var(--mono); font-size: 12px; text-align: left; padding: 0; cursor: pointer; }
.file-name-button:not(:disabled):hover { color: var(--primary); text-decoration: underline; }
.file-name-button:disabled { cursor: default; color: var(--text-secondary); }
.empty-file-row { text-align: center; color: var(--text-light); padding: 20px !important; }

/* =========================================================
   Live Screen
   ========================================================= */

.live-screen-panel { padding: 20px 22px; margin-bottom: 20px; }
.live-screen-header { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; flex-wrap: wrap; margin-bottom: 16px; }
.live-screen-header h2 { margin: 0; font-family: var(--display); font-size: 15px; color: var(--text); }
.live-screen-header p { margin: 4px 0 0; font-size: 11.5px; color: var(--text-light); max-width: 48ch; }
.live-screen-toolbar { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.live-screen-status { display: flex; align-items: center; gap: 8px; font-family: var(--mono); font-size: 11px; padding: 6px 12px; border: 1px solid var(--border-bright); color: var(--text-secondary); }
.control-toggle-row { display: flex; align-items: center; gap: 8px; font-size: 11px; color: var(--text-secondary); letter-spacing: 0.03em; }
.switch { position: relative; width: 36px; height: 19px; flex-shrink: 0; }
.switch input { opacity: 0; width: 0; height: 0; }
.switch-track { position: absolute; inset: 0; background: var(--panel-2); border: 1px solid var(--border-bright); cursor: pointer; transition: border-color 0.12s ease; }
.switch-track::before { content: ''; position: absolute; width: 13px; height: 13px; left: 2px; top: 2px; background: var(--text-light); transition: transform 0.12s ease, background 0.12s ease; }
.switch input:checked + .switch-track { border-color: var(--primary); }
.switch input:checked + .switch-track::before { transform: translateX(17px); background: var(--primary); box-shadow: 0 0 8px var(--primary-glow); }
.live-screen-frame { position: relative; margin-top: 16px; border: 1px solid var(--border-bright); background: #000; overflow: hidden; min-height: 220px; display: flex; align-items: center; justify-content: center; }
.live-screen-frame.controllable { cursor: crosshair; }
.live-screen-frame .scanline-anim { position: absolute; top: 0; left: 0; right: 0; height: 2px; background: linear-gradient(90deg, transparent, var(--primary), transparent); opacity: 0; z-index: 2; }
.live-screen-frame.live .scanline-anim { opacity: 1; animation: scan-move 2.2s linear infinite; }
@keyframes scan-move { 0% { transform: translateY(0); } 100% { transform: translateY(600px); } }
#liveScreenImage { display: block; max-width: 100%; max-height: 70vh; user-select: none; -webkit-user-drag: none; }
.live-screen-empty { text-align: center; color: var(--text-light); font-size: 12px; padding: 50px 20px; }
.live-screen-empty .glyph { font-size: 26px; display: block; margin-bottom: 10px; opacity: 0.5; }
.live-screen-control-badge { position: absolute; top: 10px; right: 10px; z-index: 3; font-size: 9.5px; letter-spacing: 0.08em; text-transform: uppercase; padding: 4px 10px; background: rgba(0, 255, 156, 0.1); border: 1px solid var(--primary); color: var(--primary); display: none; }
.live-screen-control-badge.show { display: block; }

/* =========================================================
   Accessibility & reduced motion
   ========================================================= */

a:focus-visible, button:focus-visible, input:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; }
@media (prefers-reduced-motion: reduce) { .status-dot.online::after, .live-screen-frame.live .scanline-anim, .brand h1::after { animation: none; } }

/* =========================================================
   Virtualna tastatura
   ========================================================= */

.vk-panel { margin-top: 14px; background: var(--panel-2); border: 1px solid var(--border-bright); padding: 14px; display: flex; flex-direction: column; gap: 8px; }
.vk-header { font-size: 10px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--text-light); margin-bottom: 4px; }
.vk-row { display: flex; gap: 5px; flex-wrap: wrap; }
.vk-row-actions { padding-top: 8px; border-top: 1px solid var(--border); }
.vk-row-combos { padding-top: 8px; border-top: 1px solid var(--border); }
.vk-key { background: var(--panel); border: 1px solid var(--border-bright); color: var(--text); font-family: var(--mono); font-size: 12px; padding: 6px 10px; cursor: pointer; min-width: 34px; text-align: center; transition: all 0.1s ease; clip-path: polygon(4px 0, 100% 0, 100% calc(100% - 4px), calc(100% - 4px) 100%, 0 100%, 0 4px); }
.vk-key:hover { background: rgba(0, 255, 156, 0.08); border-color: var(--primary); color: var(--primary); }
.vk-key:active { background: rgba(0, 255, 156, 0.2); transform: scale(0.94); }
.vk-wide { min-width: 82px; }
.vk-combo { background: rgba(0, 212, 255, 0.06); border: 1px solid rgba(0, 212, 255, 0.3); color: var(--info); font-family: var(--mono); font-size: 11px; padding: 6px 10px; cursor: pointer; transition: all 0.1s ease; clip-path: polygon(4px 0, 100% 0, 100% calc(100% - 4px), calc(100% - 4px) 100%, 0 100%, 0 4px); }
.vk-combo:hover { background: rgba(0, 212, 255, 0.15); border-color: var(--info); }
.vk-combo:active { transform: scale(0.94); }

/* =========================================================
   MOBILE RESPONSIVE
   ========================================================= */

.mobile-menu-toggle {
    display: none;
    position: fixed;
    top: 14px; left: 14px;
    z-index: 10001;
    background: var(--panel);
    border: 1px solid var(--border-bright);
    color: var(--primary);
    font-size: 18px;
    width: 40px; height: 40px;
    align-items: center; justify-content: center;
    cursor: pointer;
    clip-path: polygon(4px 0, 100% 0, 100% calc(100% - 4px), calc(100% - 4px) 100%, 0 100%, 0 4px);
}

.sidebar-overlay {
    display: none;
    position: fixed; inset: 0;
    background: rgba(0,0,0,0.6);
    z-index: 9998;
}
.sidebar-overlay.active { display: block; }

.nav-separator {
    margin: 12px 0 8px;
    padding: 0 12px;
    font-size: 9px;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--text-light);
    opacity: 0.6;
}

.phones-empty {
    padding: 8px 12px;
    font-size: 11px;
    color: var(--text-light);
    opacity: 0.6;
    font-style: italic;
}

@media (max-width: 1024px) and (min-width: 769px) {
    .application { grid-template-columns: 200px 1fr; }
    .sidebar { width: 200px; padding: 16px 12px; }
    .statistics-grid { grid-template-columns: repeat(2, 1fr); }
    .detail-summary-grid { grid-template-columns: repeat(2, 1fr); }
    .detail-layout { grid-template-columns: 1fr; }
    .resource-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .mobile-menu-toggle { display: flex; }
    .sidebar {
        position: fixed;
        left: -260px; top: 0; bottom: 0;
        width: 250px;
        z-index: 9999;
        transition: left 0.25s ease;
        overflow-y: auto;
    }
    .sidebar.mobile-open { left: 0; }
    .application { grid-template-columns: 1fr; }
    .main-content { grid-column: 1; padding: 64px 14px 32px; }
    .top-header { flex-direction: column; gap: 12px; }
    .top-header h2 { font-size: 18px; }
    .header-actions { width: 100%; }
    .header-actions button { width: 100%; }
    .statistics-grid { grid-template-columns: repeat(2, 1fr); gap: 8px; }
    .statistic-card strong { font-size: 22px; }
    .devices-grid { grid-template-columns: 1fr; gap: 10px; }
    .search-container input { width: 100%; min-width: unset; }
    .section-header { flex-direction: column; align-items: flex-start; }
    .device-card-footer { flex-direction: column; gap: 8px; }
    .device-card-footer button { width: 100%; }
    .detail-summary-grid { grid-template-columns: repeat(2, 1fr); gap: 8px; }
    .detail-layout { grid-template-columns: 1fr; }
    .resource-grid { grid-template-columns: 1fr; }
    .command-panel { flex-direction: column; }
    .command-buttons { width: 100%; }
    .command-buttons button { flex: 1; }
    .live-screen-header { flex-direction: column; gap: 10px; }
    .live-screen-toolbar { width: 100%; flex-wrap: wrap; gap: 8px; }
    .live-screen-toolbar button { flex: 1; min-width: 80px; }
    #liveScreenFrame { min-height: 180px; }
    #liveScreenImage { max-height: 55vh; }
    .primary-button, .secondary-button, .warning-button, .danger-button { min-height: 42px; padding: 10px 14px; }
    .vk-key, .vk-combo { min-width: 42px; min-height: 42px; padding: 8px 10px; font-size: 13px; }
    .vk-wide { min-width: 80px; }
}

@media (max-width: 400px) {
    .statistics-grid { grid-template-columns: 1fr; }
    .detail-summary-grid { grid-template-columns: 1fr; }
    .live-screen-toolbar button { font-size: 11px; padding: 8px; }
}