/**
 * AXIOMICA SRMS v5.0 — UI Style
 *
 * - Светлая/тёмная тема через data-theme
 * - Roboto Condensed (Google Fonts)
 * - Синяя палитра: #112d46, #0c2440, #2a4365
 * - Акценты: cyan #00f0ff, teal #00d1b2
 */

/* ── Theme: Light (default) ── */
:root, [data-theme="light"] {
    --primary-blue: #112d46;
    --dark-blue: #0c2440;
    --light-blue: #2a4365;
    --darker-blue: #0a1d35;
    --gray-900: #0f172a;
    --gray-800: #2d3748;
    --gray-700: #334155;
    --gray-600: #4a5568;
    --gray-500: #718096;
    --gray-400: #a0aec0;
    --gray-300: #cbd5e0;
    --gray-200: #e2e8f0;
    --gray-100: #f1f5f9;
    --gray-50: #f7fafc;
    --white: #ffffff;
    --off-white: #f8fafc;
    --accent-cyan: #00f0ff;
    --accent-teal: #00d1b2;
    --accent-red: #ff6b6b;
    --accent-yellow: #ffd43b;
    --accent-green: #38b2ac;
    --color-success: #38b2ac;
    --color-success-bg: rgba(56, 178, 172, 0.1);
    --color-warning: #ffd43b;
    --color-warning-bg: rgba(255, 212, 59, 0.1);
    --color-error: #ff6b6b;
    --color-error-bg: rgba(255, 107, 107, 0.1);
    --color-info: #00f0ff;
    --color-info-bg: rgba(0, 240, 255, 0.1);
    --alarm-green: #38b2ac;
    --alarm-yellow: #ffd43b;
    --alarm-red: #ff6b6b;
    --bg-primary: #f8fafc;
    --bg-secondary: #ffffff;
    --bg-tertiary: #f1f5f9;
    --bg-elevated: #ffffff;
    --text-primary: #2d3748;
    --text-secondary: #4a5568;
    --text-muted: #718096;
    --border-primary: #e2e8f0;
    --border-secondary: #f1f5f9;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.04);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.06);
    --shadow-lg: 0 8px 24px rgba(17,45,70,0.08);
    --shadow-xl: 0 16px 48px rgba(17,45,70,0.12);
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 14px;
    --radius-xl: 18px;
    --transition: all 0.25s cubic-bezier(0.4,0,0.2,1);
    --font-regular: "Roboto Condensed", "Roboto", sans-serif;
    --font-bold: "Roboto Condensed", "Roboto", sans-serif;
    --font-light: "Roboto Condensed", "Roboto", sans-serif;
}

/* ── Theme: Dark ── */
[data-theme="dark"] {
    --primary-blue: #60a5fa;
    --dark-blue: #1e293b;
    --light-blue: #334155;
    --darker-blue: #0f172a;
    --gray-900: #f8fafc;
    --gray-800: #e2e8f0;
    --gray-700: #cbd5e0;
    --gray-600: #94a3b8;
    --gray-500: #64748b;
    --gray-400: #475569;
    --gray-300: #334155;
    --gray-200: #1e293b;
    --gray-100: #1a2332;
    --gray-50: #151d2b;
    --white: #0f172a;
    --off-white: #0d1520;
    --color-success: #4ade80;
    --color-success-bg: rgba(74, 222, 128, 0.1);
    --color-warning: #fbbf24;
    --color-warning-bg: rgba(251, 191, 36, 0.1);
    --color-error: #f87171;
    --color-error-bg: rgba(248, 113, 113, 0.1);
    --color-info: #22d3ee;
    --color-info-bg: rgba(34, 211, 238, 0.15);
    --bg-primary: #0b1120;
    --bg-secondary: #0f172a;
    --bg-tertiary: #151d2b;
    --bg-elevated: #1a2332;
    --text-primary: #e2e8f0;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --border-primary: #1e293b;
    --border-secondary: #1a2332;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.3);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.4);
    --shadow-lg: 0 8px 24px rgba(0,0,0,0.5);
    --shadow-xl: 0 16px 48px rgba(0,0,0,0.6);
    --accent-cyan: #22d3ee;
    --accent-teal: #2dd4bf;
    --accent-red: #f87171;
    --accent-yellow: #fbbf24;
    --accent-green: #4ade80;
    --alarm-green: #4ade80;
    --alarm-yellow: #fbbf24;
    --alarm-red: #f87171;
}

/* ── Base ── */
* { margin: 0; padding: 0; box-sizing: border-box; }
html, body {
    width: 100%; height: 100%; overflow: hidden;
    font-family: var(--font-regular); font-size: 15px; line-height: 1.5;
    color: var(--text-primary); background: var(--bg-primary);
    -webkit-font-smoothing: antialiased;
}

/* ── App Layout ── */
.app { display: grid; grid-template-rows: 48px 1fr 32px; height: 100vh; }
.header {
    display: flex; align-items: center; justify-content: space-between;
    padding: 0 16px; background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-primary); z-index: 100;
}
.logo { display: flex; align-items: center; gap: 10px; }
.logo-title {
    font-family: var(--font-bold); font-size: 1.25rem;
    color: var(--primary-blue); letter-spacing: 0.5px;
}
.logo-title .version {
    font-family: var(--font-light); font-size: 0.875rem;
    color: var(--text-muted); margin-left: 4px;
}
.nav { display: flex; gap: 0; }
.nav-item {
    padding: 0 14px; height: 48px; line-height: 48px;
    font-family: var(--font-regular); font-size: 0.8125rem;
    color: var(--text-muted); text-decoration: none;
    border-bottom: 2px solid transparent;
    transition: color 0.2s, border-color 0.2s; white-space: nowrap;
}
.nav-item:hover { color: var(--primary-blue); }
.nav-item.active {
    color: var(--primary-blue); border-bottom-color: var(--primary-blue);
    font-weight: 700;
}
.user-info { display: flex; align-items: center; gap: 12px; }
.username-text {
    font-family: var(--font-bold); font-size: 0.8125rem; color: var(--primary-blue);
    display: flex; align-items: center; gap: 6px;
}

.main { display: flex; flex-direction: column; overflow: hidden; position: relative; }
.content {
    flex: 1; overflow: auto; padding: 20px 24px;
    background: var(--bg-primary);
}
.view { display: none; }
.view.active { display: block; }
.view-header {
    display: flex; align-items: center; justify-content: space-between;
    margin-bottom: 20px; gap: 12px; flex-wrap: wrap;
}
.view-header h2 {
    font-family: var(--font-bold); font-size: 1.25rem; color: var(--primary-blue);
}

/* ── Buttons ── */
.btn {
    display: inline-flex; align-items: center; justify-content: center;
    padding: 8px 18px; font-family: var(--font-regular); font-size: 0.875rem;
    font-weight: 500; color: var(--white);
    background: var(--primary-blue); border: none; border-radius: var(--radius-sm);
    cursor: pointer; transition: opacity 0.2s, transform 0.15s;
}
.btn:hover { opacity: 0.85; transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn-danger { background: var(--color-error); }
.btn-warning { background: var(--accent-yellow); color: var(--gray-900); }
.btn-back {
    padding: 6px 14px; font-size: 0.875rem;
    background: transparent; color: var(--primary-blue);
    border: 1px solid var(--border-primary); border-radius: var(--radius-sm);
    cursor: pointer; transition: border-color 0.2s;
}
.btn-back:hover { border-color: var(--primary-blue); }
.btn-logout, .btn-login {
    padding: 6px 14px; font-family: var(--font-regular); font-size: 0.8125rem;
    border: 1px solid var(--border-primary); border-radius: var(--radius-sm);
    cursor: pointer; transition: border-color 0.2s; background: transparent;
    color: var(--text-muted); display: flex; align-items: center; gap: 6px;
}
.btn-logout:hover, .btn-login:hover { border-color: var(--primary-blue); color: var(--primary-blue); }
.btn-icon {
    width: 32px; height: 32px; display: flex; align-items: center; justify-content: center;
    background: transparent; border: 1px solid var(--border-primary);
    border-radius: var(--radius-sm); cursor: pointer; transition: border-color 0.2s;
    color: var(--text-muted); font-size: 0.875rem;
}
.btn-icon:hover { border-color: var(--primary-blue); color: var(--primary-blue); }
.btn-close {
    background: transparent; border: none; color: var(--text-muted);
    font-size: 1.5rem; cursor: pointer; width: 32px; height: 32px;
    display: flex; align-items: center; justify-content: center;
    border-radius: 50%; transition: background 0.2s;
}
.btn-close:hover { background: var(--gray-100); color: var(--text-primary); }
.btn-block { width: 100%; text-align: center; justify-content: center; }
.btn-full { width: 100%; text-align: center; justify-content: center; }

/* ── Inputs ── */
.select, .input {
    padding: 8px 12px; font-family: var(--font-regular); font-size: 0.875rem;
    color: var(--text-primary); background: var(--bg-secondary);
    border: 1px solid var(--border-primary); border-radius: var(--radius-sm);
    outline: none; transition: border-color 0.2s, box-shadow 0.2s;
}
.select:focus, .input:focus {
    border-color: var(--accent-cyan); box-shadow: 0 0 0 2px var(--color-info-bg);
}
.form-group { display: flex; flex-direction: column; gap: 4px; }
.form-group label {
    font-family: var(--font-bold); font-size: 0.8125rem; color: var(--primary-blue);
}
.badge {
    display: inline-flex; align-items: center;
    font-size: 0.8125rem; color: var(--text-muted);
    background: var(--bg-tertiary); padding: 4px 10px;
    border-radius: 20px; border: 1px solid var(--border-primary);
}

/* ── Navigation active tracking ── */
.nav-item[data-view].active {
    color: var(--primary-blue); border-bottom-color: var(--primary-blue);
    font-weight: 700;
}

/* ── Status Bar ── */
.statusbar {
    display: flex; align-items: center; justify-content: space-between;
    padding: 0 16px; background: var(--bg-secondary);
    border-top: 1px solid var(--border-primary); font-size: 0.75rem;
}
.status-indicator { display: flex; align-items: center; gap: 8px; cursor: pointer; }
.status-dot {
    width: 8px; height: 8px; border-radius: 50%;
    background: var(--gray-500); transition: background 0.3s;
}
.status-dot.connected { background: var(--color-success); }
.status-dot.connecting { background: var(--accent-yellow); animation: pulse 1s infinite; }
.status-dot.reconnecting { background: var(--accent-yellow); animation: pulse 0.5s infinite; }
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.5; } }
.status-text { color: var(--text-muted); }
.server-time { color: var(--text-muted); font-variant-numeric: tabular-nums; }

/* ── Toast ── */
.toast-container {
    position: fixed; top: 56px; right: 16px; display: flex;
    flex-direction: column; gap: 8px; z-index: 2000;
}
.toast {
    display: flex; align-items: center; gap: 10px; padding: 12px 16px;
    background: var(--bg-elevated); border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg); min-width: 260px; max-width: 400px;
    animation: slideIn 0.3s ease; border-left: 3px solid var(--accent-cyan);
}
.toast.toast-hide { animation: slideOut 0.3s ease forwards; }
.toast-icon { font-size: 1rem; width: 22px; height: 22px; display: flex; align-items: center; justify-content: center; border-radius: 50%; flex-shrink: 0; }
.toast-success .toast-icon { background: var(--color-success-bg); color: var(--color-success); }
.toast-warning .toast-icon { background: var(--color-warning-bg); color: var(--accent-yellow); }
.toast-error .toast-icon { background: var(--color-error-bg); color: var(--color-error); }
.toast-info .toast-icon { background: var(--color-info-bg); color: var(--accent-cyan); }
.toast-message { flex: 1; font-size: 0.875rem; font-weight: 500; color: var(--text-primary); }
@keyframes slideIn { from { transform: translateX(100%); opacity: 0; } to { transform: translateX(0); opacity: 1; } }
@keyframes slideOut { from { transform: translateX(0); opacity: 1; } to { transform: translateX(100%); opacity: 0; } }

/* ── Login Overlay (ISLCS design) ── */
.login-overlay {
    display: none; position: fixed; top: 0; left: 0;
    width: 100%; height: 100%; z-index: 9999;
    background-image: url('/static/images/cnbg.png');
    background-color: var(--bg-primary);
    background-repeat: repeat;
    justify-content: center; align-items: center;
    padding: 20px;
}
.login-overlay.active { display: flex; }
.login-wrapper {
    box-shadow: 0 10px 15px -3px rgba(0,0,0,0.1);
    border-radius: 13px;
    width: 100%;
    max-width: 900px;
    animation: loginFadeIn 0.4s ease;
}
@keyframes loginFadeIn { from { opacity: 0; transform: translateY(24px); } to { opacity: 1; transform: translateY(0); } }
.login-container {
    background: var(--bg-secondary);
    border-radius: 13px;
    overflow: hidden;
    width: 100%;
    display: grid;
    grid-template-columns: 1fr 1fr;
    border: 1px solid var(--border-primary);
}
.login-banner {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--dark-blue) 100%);
    padding: 60px 40px;
    color: white;
    display: flex;
    flex-direction: column;
    justify-content: center;
    position: relative;
    overflow: hidden;
    border-right: 1px solid var(--border-primary);
}
.login-banner::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
}
.banner-logo img {
    height: 25px;
    width: auto;
    margin-bottom: 30px;
    filter: brightness(0) invert(1);
    position: relative;
    z-index: 1;
}
.banner-subtitle {
    font-size: 1.1rem;
    opacity: 0.9;
    margin-bottom: 30px;
    position: relative;
    z-index: 1;
    line-height: 1.5;
}
.banner-features {
    list-style: none;
    position: relative;
    z-index: 1;
}
.banner-features li {
    padding: 12px 0;
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.95rem;
}
.banner-features li::before {
    content: '\2713';
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    background: rgba(255,255,255,0.2);
    border-radius: 50%;
    font-weight: bold;
    flex-shrink: 0;
    font-size: 0.85rem;
}
.login-form {
    padding: 60px 40px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    position: relative;
}
.language-selector-container {
    position: absolute;
    top: 20px;
    right: 40px;
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-muted);
}
.language-selector-container svg {
    flex-shrink: 0;
}
.language-selector {
    padding: 8px 12px;
    border: 1px solid var(--border-primary);
    border-radius: 6px;
    background: var(--bg-secondary);
    color: var(--text-secondary);
    font-size: 0.875rem;
    cursor: pointer;
    font-family: var(--font-regular);
}
.language-selector:focus {
    outline: none;
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 3px rgba(17, 45, 70, 0.1);
}
.form-header {
    margin-bottom: 40px;
}
.form-title {
    font-family: var(--font-bold);
    font-size: 1.75rem;
    color: var(--primary-blue);
    margin-bottom: 8px;
}
.form-subtitle {
    color: var(--text-muted);
    font-size: 0.875rem;
}
.login-form .form-group {
    margin-bottom: 20px;
}
.form-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 8px;
}
.form-input {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--border-primary);
    border-radius: 6px;
    font-size: 0.875rem;
    transition: border-color 0.2s ease-in-out, box-shadow 0.2s ease-in-out;
    font-family: var(--font-regular);
    background: var(--bg-primary);
    color: var(--text-primary);
    outline: none;
}
.form-input:focus {
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 4px rgba(17, 45, 70, 0.15);
    background: var(--bg-secondary);
}
.form-input::placeholder {
    color: var(--text-muted);
}
.form-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
}
.checkbox-label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.875rem;
    color: var(--text-secondary);
    cursor: pointer;
}
.checkbox-label input {
    width: 18px;
    height: 18px;
    cursor: pointer;
}
.forgot-password {
    color: var(--primary-blue);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 500;
    transition: color 0.2s;
}
.forgot-password:hover {
    color: var(--dark-blue);
    text-decoration: underline;
}
.login-form .login-btn {
    width: 100%;
    padding: 16px;
    background: linear-gradient(135deg, var(--primary-blue), var(--dark-blue));
    color: var(--white);
    border: none;
    border-radius: 6px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
    box-shadow: 0 4px 15px rgba(17, 45, 70, 0.4);
    font-family: var(--font-regular);
    letter-spacing: 0.3px;
}
.login-form .login-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(17, 45, 70, 0.5);
}
.login-form .login-btn:active {
    transform: translateY(0);
}
.login-form .login-btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
}
.login-form .error-message {
    background: #fee2e2;
    color: #dc2626;
    padding: 14px 16px;
    border-radius: 6px;
    margin-bottom: 24px;
    font-size: 0.875rem;
    display: none;
    border-left: 4px solid #dc2626;
}
.login-form .error-message.show {
    display: block;
    animation: slideDown 0.3s ease;
}
@keyframes slideDown {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}
@media (max-width: 768px) {
    .login-wrapper { max-width: 100%; }
    .login-container { grid-template-columns: 1fr; }
    .login-banner { padding: 40px 30px; }
    .login-form { padding: 40px 30px; }
    .language-selector-container { top: 15px; right: 30px; }
}

/* ── Object Cards ── */
.object-cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 16px; }
.object-card {
    background: var(--bg-secondary); border-radius: var(--radius-lg);
    padding: 20px; cursor: pointer; transition: box-shadow 0.25s, border-color 0.25s;
    border: 1px solid var(--border-secondary); box-shadow: var(--shadow-sm);
}
.object-card:hover {
    box-shadow: var(--shadow-lg); border-color: var(--accent-cyan);
}
.object-card-header { margin-bottom: 14px; }
.object-card-name {
    font-family: var(--font-bold); font-size: 1rem; color: var(--primary-blue);
    line-height: 1.3; display: -webkit-box; -webkit-line-clamp: 2;
    -webkit-box-orient: vertical; overflow: hidden;
}
.object-card-body { display: flex; gap: 16px; }
.object-card-stat {
    display: flex; flex-direction: column; align-items: center;
    flex: 1; padding: 12px; background: var(--bg-tertiary);
    border-radius: var(--radius-md);
}
.stat-value {
    font-family: var(--font-bold); font-size: 1.375rem;
    color: var(--text-primary); line-height: 1; margin-bottom: 4px;
}
.stat-value.quality-good { color: var(--color-success); }
.stat-value.quality-warning { color: var(--accent-yellow); }
.stat-value.quality-bad { color: var(--accent-red); }
.stat-label {
    font-size: 0.6875rem; color: var(--text-muted);
    text-transform: uppercase; letter-spacing: 0.3px;
}

/* ── Sensors Grid ── */
.sensors-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 12px; }
.sensor-card {
    background: var(--bg-secondary); border-radius: var(--radius-md);
    padding: 16px; cursor: pointer; border: 1px solid var(--border-secondary);
    transition: box-shadow 0.2s, border-color 0.2s;
}
.sensor-card:hover { border-color: var(--accent-cyan); }
.sensor-header { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 12px; gap: 8px; }
.sensor-name {
    font-family: var(--font-bold); font-size: 0.875rem;
    color: var(--primary-blue); flex: 1; display: -webkit-box;
    -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.sensor-type { font-size: 0.75rem; color: var(--text-muted); background: var(--bg-tertiary); padding: 2px 8px; border-radius: 10px; white-space: nowrap; }
.sensor-body { margin-bottom: 12px; }
.sensor-value { font-family: var(--font-bold); font-size: 1.75rem; color: var(--text-primary); line-height: 1; margin-bottom: 2px; }
.sensor-unit { font-size: 0.875rem; color: var(--text-muted); }
.sensor-footer { display: flex; justify-content: space-between; align-items: center; padding-top: 10px; border-top: 1px solid var(--border-secondary); }
.sensor-quality { font-size: 0.75rem; color: var(--color-success); font-weight: 600; }
.sensor-time { font-size: 0.75rem; color: var(--text-muted); }

/* ── Detail View ── */
#view-detail { display: none; flex-direction: column; }
#view-detail.active { display: flex; height: 100%; }
.panel-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-template-rows: 1fr 1fr;
    gap: 12px;
    flex: 1;
    min-height: 0;
}
.panel {
    background: var(--bg-secondary); border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm); display: flex; flex-direction: column;
    overflow: hidden; border: 1px solid var(--border-secondary);
    position: relative; min-height: 0;
}
.panel.fullscreen {
    position: fixed; top: 48px; left: 0; width: 100vw;
    height: calc(100vh - 48px - 32px); z-index: 500;
    border-radius: 0; box-shadow: none; border: none;
}
.panel-header {
    display: flex; align-items: center; justify-content: space-between;
    padding: 8px 12px; border-bottom: 1px solid var(--border-secondary);
    background: var(--bg-tertiary); flex-shrink: 0;
}
.panel-title {
    font-family: var(--font-bold); font-size: 0.8125rem; color: var(--primary-blue);
}
.panel-controls { display: flex; gap: 4px; }
.panel-btn {
    width: 24px; height: 24px; display: flex; align-items: center;
    justify-content: center; background: transparent;
    border: 1px solid var(--border-primary); border-radius: var(--radius-sm);
    cursor: pointer; color: var(--text-muted); font-size: 0.75rem;
    transition: border-color 0.2s;
}
.panel-btn:hover { border-color: var(--primary-blue); color: var(--primary-blue); }
.panel-body { flex: 1; overflow: auto; padding: 10px 12px; }

/* Panel sensors */
.panel-sensors-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 6px; }
.panel-sensor-card {
    padding: 10px; background: var(--bg-tertiary); border-radius: var(--radius-sm);
    cursor: pointer; transition: border-color 0.15s; border: 1px solid transparent;
}
.panel-sensor-card:hover { border-color: var(--accent-cyan); }
.panel-sensor-name {
    font-family: var(--font-bold); font-size: 0.8125rem; color: var(--text-primary);
    margin-bottom: 4px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.panel-sensor-value {
    font-family: var(--font-bold); font-size: 1.25rem;
    color: var(--text-primary); line-height: 1; margin-bottom: 2px;
}
.panel-sensor-unit { font-size: 0.75rem; color: var(--text-muted); }
.panel-sensor-footer {
    display: flex; justify-content: space-between; align-items: center;
    margin-top: 6px; padding-top: 6px; border-top: 1px solid var(--border-secondary);
}
.panel-sensor-quality { font-size: 0.6875rem; color: var(--text-muted); }
.panel-sensor-type { font-size: 0.6875rem; color: var(--text-muted); }

/* Panel stats */
.panel-stats-content { padding: 4px 0; }
.stat-row {
    display: flex; justify-content: space-between; align-items: center;
    padding: 10px 8px; border-bottom: 1px solid var(--border-secondary);
}
.stat-row:last-child { border-bottom: none; }
.stat-row-label { font-size: 0.875rem; color: var(--text-secondary); }
.stat-row-value { font-family: var(--font-bold); font-size: 1.125rem; color: var(--text-primary); }

/* Panel info */
.panel-info-content { padding: 4px 0; }
.info-section { margin-bottom: 16px; }
.info-section:last-child { margin-bottom: 0; }
.info-section-title {
    font-family: var(--font-bold); font-size: 0.75rem; color: var(--primary-blue);
    margin-bottom: 8px; padding-bottom: 4px; border-bottom: 1px solid var(--border-secondary);
    text-transform: uppercase; letter-spacing: 0.5px;
}
.info-row { display: flex; justify-content: space-between; align-items: center; padding: 6px 4px; font-size: 0.875rem; }
.info-label { color: var(--text-secondary); }
.info-value { font-weight: 600; color: var(--text-primary); }

/* ── Sensor Detail Modal ── */
.modal {
    display: none; position: fixed; top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(15,23,42,0.5); z-index: 1000;
    justify-content: center; align-items: center; backdrop-filter: blur(4px);
}
.modal.active { display: flex; }
.modal-content {
    background: var(--bg-secondary); padding: 28px;
    border-radius: var(--radius-xl); max-width: 500px; width: 90%;
    max-height: 80vh; overflow: hidden; display: flex; flex-direction: column;
    box-shadow: var(--shadow-xl);
}
.modal-large { max-width: 700px; }
.modal-sm { max-width: 360px; }
.modal-header {
    display: flex; justify-content: space-between; align-items: center;
    margin-bottom: 20px; padding-bottom: 12px;
    border-bottom: 1px solid var(--border-secondary);
}
.modal-header h2 { font-family: var(--font-bold); font-size: 1.125rem; color: var(--primary-blue); }
.modal-body { flex: 1; overflow-y: auto; }
.sensor-detail-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.detail-item {
    display: flex; flex-direction: column; gap: 2px;
    padding: 10px 12px; background: var(--bg-tertiary); border-radius: var(--radius-sm);
}
.detail-label { font-size: 0.6875rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.3px; }
.detail-value { font-family: var(--font-bold); font-size: 1rem; color: var(--primary-blue); }

/* ── Table ── */
.table-container {
    background: var(--bg-secondary); border-radius: var(--radius-lg);
    overflow: hidden; box-shadow: var(--shadow-sm);
}
.data-filters { display:flex; align-items:center; gap:8px; flex-wrap:wrap; }
.data-table { width: 100%; border-collapse: collapse; }
.data-table th, .data-table td { padding: 12px 16px; text-align: left; border-bottom: 1px solid var(--border-secondary); }
.data-table th {
    font-family: var(--font-bold); font-size: 0.8125rem;
    color: var(--primary-blue); text-transform: uppercase; letter-spacing: 0.3px;
    background: var(--bg-tertiary); font-weight: 600;
}
.data-table td { font-size: 0.875rem; color: var(--text-secondary); }
.data-table tbody tr { transition: background 0.15s; }
.data-table tbody tr:hover { background: var(--bg-tertiary); }
.data-table th { position: sticky; top: 0; z-index: 1; user-select: none; }
.data-table th:hover { color: var(--accent-cyan); }

/* ── Chart ── */
.chart-container {
    background: var(--bg-secondary); border-radius: var(--radius-lg);
    padding: 20px; box-shadow: var(--shadow-sm); height: 400px;
}

/* ── Events ── */
.events-filters { display: flex; gap: 10px; align-items: center; }
.events-list {
    background: var(--bg-secondary); border-radius: var(--radius-lg);
    max-height: 500px; overflow-y: auto; box-shadow: var(--shadow-sm);
}
.event-item {
    display: flex; gap: 12px; padding: 12px 16px;
    border-bottom: 1px solid var(--border-secondary); align-items: flex-start;
}
.event-item:last-child { border-bottom: none; }
.event-icon {
    width: 28px; height: 28px; border-radius: 50%; display: flex;
    align-items: center; justify-content: center; flex-shrink: 0; font-size: 0.875rem;
}
.event-info .event-icon { background: var(--color-info-bg); color: var(--accent-cyan); }
.event-warning .event-icon { background: var(--color-warning-bg); color: var(--accent-yellow); }
.event-error .event-icon { background: var(--color-error-bg); color: var(--color-error); }
.event-critical .event-icon { background: var(--color-error); color: var(--white); }
.event-content { flex: 1; min-width: 0; }
.event-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 4px; gap: 8px; }
.event-title { font-family: var(--font-bold); font-size: 0.875rem; color: var(--text-primary); }
.event-time { font-size: 0.75rem; color: var(--text-muted); white-space: nowrap; }
.event-description { font-size: 0.8125rem; color: var(--text-secondary); line-height: 1.4; }
.event-meta { display: flex; gap: 12px; margin-top: 8px; font-size: 0.75rem; color: var(--text-muted); }

/* ── Logs ── */
.logs-controls { display: flex; gap: 10px; align-items: center; }
.logs-container {
    background: var(--gray-900); border-radius: var(--radius-lg); padding: 12px;
    max-height: 500px; overflow: hidden; display: flex; flex-direction: column;
}
.logs-content {
    flex: 1; overflow-y: auto; font-family: "Roboto Mono", "Courier New", monospace;
    font-size: 0.75rem; line-height: 1.6; color: var(--gray-300);
    white-space: pre-wrap; word-break: break-all;
}
.logs-content .log-entry { padding: 4px 0; border-bottom: 1px solid rgba(255,255,255,0.05); }
.logs-content .log-debug { color: var(--gray-500); }
.logs-content .log-info { color: var(--accent-cyan); }
.logs-content .log-warn { color: var(--accent-yellow); }
.logs-content .log-error { color: var(--accent-red); }

/* ── Settings ── */
.settings-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 20px; }
.settings-section {
    background: var(--bg-secondary); border-radius: var(--radius-lg);
    padding: 20px; box-shadow: var(--shadow-sm);
}
.settings-section h3 {
    font-family: var(--font-bold); font-size: 1rem; color: var(--primary-blue);
    margin-bottom: 14px; padding-bottom: 6px;
    border-bottom: 2px solid var(--border-secondary);
}
.settings-section .form-group { margin-bottom: 14px; }
.settings-section label {
    display: block; font-size: 0.875rem; font-weight: 500;
    color: var(--text-secondary); margin-bottom: 6px;
}
.settings-section input[type="checkbox"] { margin-right: 8px; }
.settings-section .btn { display: block; width: 100%; margin-bottom: 8px; }

/* ── Help ── */
.help-content { background: var(--bg-secondary); border-radius: var(--radius-lg); padding: 28px; box-shadow: var(--shadow-sm); }
.help-section { margin-bottom: 28px; }
.help-section h3 {
    font-family: var(--font-bold); font-size: 1.125rem; color: var(--primary-blue);
    margin-bottom: 14px; padding-bottom: 6px; border-bottom: 1px solid var(--border-secondary);
}
.help-section p, .help-section li { font-size: 0.9375rem; line-height: 1.6; color: var(--text-secondary); }
.help-section ul, .help-section ol { padding-left: 24px; margin-bottom: 12px; }
.help-section a { color: var(--primary-blue); text-decoration: none; }
.help-section a:hover { text-decoration: underline; }
kbd {
    display: inline-block; padding: 2px 6px; font-family: "Roboto Mono", monospace;
    font-size: 0.8125rem; background: var(--bg-tertiary);
    border: 1px solid var(--border-primary); border-radius: 3px; color: var(--text-primary);
}

/* ── Report ── */
.report-form {
    background: var(--bg-secondary); border-radius: var(--radius-lg);
    padding: 20px; box-shadow: var(--shadow-sm);
    display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 14px; align-items: end; margin-bottom: 20px;
}
.report-result {
    background: var(--bg-secondary); border-radius: var(--radius-lg);
    padding: 20px; box-shadow: var(--shadow-sm); min-height: 150px;
}

/* ── Scheme ── */
.scheme-container {
    background: var(--bg-secondary); border-radius: var(--radius-lg);
    padding: 20px; box-shadow: var(--shadow-sm); min-height: 500px;
}
#schemeCanvas { width: 100%; height: 500px; border-radius: var(--radius-sm); border: 1px solid var(--border-primary); }

/* ── Search ── */
.search-container { background: var(--bg-secondary); border-radius: var(--radius-lg); padding: 20px; box-shadow: var(--shadow-sm); }
.search-input {
    width: 100%; padding: 12px 16px; font-size: 0.9375rem;
    border: 2px solid var(--border-primary); border-radius: var(--radius-md);
    outline: none; transition: border-color 0.2s;
}
.search-input:focus { border-color: var(--accent-cyan); }
.search-results { margin-top: 16px; }
.search-results-table { width: 100%; border-collapse: collapse; }
.search-results-table th,
.search-results-table td { padding: 10px 14px; text-align: left; border-bottom: 1px solid var(--border-secondary); font-size: 0.875rem; }
.search-results-table th { font-family: var(--font-bold); color: var(--primary-blue); background: var(--bg-tertiary); font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.3px; }
.search-results-table td { color: var(--text-secondary); }
.search-result-row { cursor: pointer; transition: background 0.15s; }
.search-result-row:hover { background: var(--gray-50); }
.search-no-results { text-align: center; padding: 24px; color: var(--text-muted); }
.search-empty { text-align: center; padding: 32px; color: var(--text-muted); }
.search-status { font-size: 0.8125rem; color: var(--text-muted); margin-bottom: 12px; }
.search-controls { display: flex; align-items: center; gap: 8px; }
.search-label { font-family: var(--font-bold); font-size: 0.8125rem; color: var(--primary-blue); }
.search-slider { width: 120px; accent-color: var(--primary-blue); }
.search-k-value { font-weight: 700; font-size: 0.875rem; color: var(--primary-blue); min-width: 24px; }

/* ── Client List ── */
.client-list { max-width: 500px; }
.client-item {
    padding: 16px 20px; border-bottom: 1px solid var(--border-primary);
    cursor: pointer; transition: background 0.15s; display: flex; align-items: center; gap: 14px;
}
.client-item:hover { background: var(--gray-50); }
.client-item:first-child { border-top: none; }
.client-item-icon {
    width: 36px; height: 36px; border-radius: var(--radius-sm);
    background: var(--primary-blue); color: var(--white);
    display: flex; align-items: center; justify-content: center;
    font-size: 1rem; flex-shrink: 0;
}
.client-item-info { flex: 1; min-width: 0; }
.client-item-name { font-family: var(--font-bold); font-size: 1rem; color: var(--primary-blue); margin-bottom: 2px; }
.client-item-desc { font-size: 0.8125rem; color: var(--text-muted); }
.client-item-status { display: flex; align-items: center; gap: 6px; font-size: 0.75rem; color: var(--color-success); flex-shrink: 0; }
.client-item-status .status-dot-sm { width: 6px; height: 6px; border-radius: 50%; background: var(--color-success); display: inline-block; }

/* ── Language Switcher ── */
.lang-menu { position: relative; }
.lang-dropdown {
    display: none; position: absolute; top: 100%; right: 0; margin-top: 4px;
    background: var(--bg-elevated); border: 1px solid var(--border-primary);
    border-radius: var(--radius-sm); box-shadow: var(--shadow-md); z-index: 200;
    min-width: 120px;
}
.lang-dropdown.active { display: block; }
.lang-dropdown-item {
    padding: 8px 14px; cursor: pointer; font-size: 0.8125rem;
    color: var(--text-primary); display: flex; align-items: center;
    gap: 8px; transition: background 0.15s;
}
.lang-dropdown-item:hover { background: var(--gray-50); }
.lang-dropdown-item.active { font-weight: 700; color: var(--primary-blue); }

/* ── No Data / Loading ── */
.no-data { text-align: center; padding: 32px 16px; color: var(--text-muted); font-size: 0.9375rem; }
.loading-spinner {
    display: inline-block; width: 24px; height: 24px;
    border: 3px solid var(--border-primary); border-top-color: var(--primary-blue);
    border-radius: 50%; animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ── Utility ── */
.text-success { color: var(--color-success); }
.text-warning { color: var(--accent-yellow); }
.text-error { color: var(--color-error); }
.text-muted { color: var(--text-muted); }

/* ── Scrollbar ── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--gray-300); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--gray-400); }

/* ── Responsive ── */
@media (max-width: 768px) {
    .nav { display: none; }
    .sensors-grid { grid-template-columns: 1fr; }
    .object-cards { grid-template-columns: 1fr; }
    .panel-container { grid-template-columns: 1fr; grid-template-rows: auto; }
    .content { padding: 12px 16px; }
}

/* ── Hierarchy Tree ── */
.h-controls { display: flex; align-items: center; gap: 8px; }
.h-tree-container { flex: 1; overflow: auto; background: var(--bg-secondary); border-radius: var(--radius-lg); padding: 4px; box-shadow: var(--shadow-sm); min-height: 200px; }
.h-tree { padding: 8px 4px; user-select: none; }
.h-tree-loading, .h-tree-empty, .h-tree-error { padding: 32px; text-align: center; color: var(--text-muted); font-size: 0.9375rem; }
.h-tree-error { color: var(--color-error); }
.h-tree-branch { margin: 1px 0; }
.h-tree-branch-header { display: flex; align-items: center; gap: 4px; padding: 5px 8px; border-radius: var(--radius-sm); cursor: pointer; transition: background 0.15s; }
.h-tree-branch-header:hover { background: var(--bg-tertiary); }
.h-tree-toggle { display: inline-block; width: 16px; text-align: center; font-size: 0.625rem; color: var(--text-muted); flex-shrink: 0; }
.h-tree-group-icon { font-size: 0.875rem; margin-right: 4px; flex-shrink: 0; }
.h-tree-group-name { font-size: 0.875rem; color: var(--text-primary); font-weight: 500; }
.h-tree-children { padding-left: 20px; }
.h-tree-leaf { display: flex; align-items: center; gap: 4px; padding: 4px 8px 4px 24px; border-radius: var(--radius-sm); cursor: pointer; transition: background 0.15s; }
.h-tree-leaf:hover { background: var(--bg-tertiary); }
.h-tree-leaf-icon { font-size: 0.625rem; color: var(--accent-cyan); flex-shrink: 0; }
.h-tree-leaf-name { font-size: 0.875rem; color: var(--text-secondary); flex: 1; }
.h-tree-leaf-type { font-size: 0.75rem; color: var(--text-muted); background: var(--bg-tertiary); padding: 1px 8px; border-radius: 10px; white-space: nowrap; }
.h-tree-leaf.selected { background: var(--color-info-bg); }

/* ── Chart View ── */
.chart-container { flex: 1; display:flex; flex-direction: column; overflow: auto; }
#timeSeriesChart { display: block; }

/* live update */