/* ============================================================
   ТЕМЫ ОФОРМЛЕНИЯ — переключаются через body[data-theme]
   ============================================================ */
/* Светлая «инженерная» тема */
body[data-theme="light"] {
    --bg:           #e8e4d8;
    --surface-0:    #f2efe6;
    --surface-1:    #e6e1d2;
    --surface-2:    #d8d2bf;
    --surface-3:    #c8c0a8;
    --carbon-line:  rgba(40, 60, 70, 0.05);
    --border:       #b0a890;
    --border-hi:    #8a8068;
    --text:         #1e2a32;
    --text-muted:   #5a6670;
    --text-dim:     #8a9098;
    --brand:        #1d7a8c;
    --brand-hi:     #2698ad;
    --brand-dim:    #145560;
    --accent:       #c47820;
    --success:      #3e8c4a;
    --warning:      #c89020;
    --danger:       #c0392b;
    --info:         #3a7ca5;
}
/* Тема «синька» — чертёжная калька */
body[data-theme="blueprint"] {
    --bg:           #0a3a6e;
    --surface-0:    #0d4480;
    --surface-1:    #115092;
    --surface-2:    #1a5ca8;
    --surface-3:    #2670c0;
    --carbon-line:  rgba(255, 255, 255, 0.06);
    --border:       #3a7ec0;
    --border-hi:    #6aaae0;
    --text:         #eaf4ff;
    --text-muted:   #a8c8e8;
    --text-dim:     #6a96c4;
    --brand:        #ffffff;
    --brand-hi:     #ffffff;
    --brand-dim:    #b0d0f0;
    --accent:       #ffd86a;
    --success:      #8ce0a0;
    --warning:      #ffd86a;
    --danger:       #ff9a9a;
    --info:         #aad4ff;
}

/* ============================================================
   Design Tokens — Industrial HMI / SCADA-inspired
   Глубокий navy + минт-тил + индустриальная амбра
   ============================================================ */
:root {
    /* поверхности — холодные стальные */
    --bg:           #060a11;
    --surface-0:    #0a121c;
    --surface-1:    #101c2a;
    --surface-2:    #182a3d;
    --surface-3:    #233a52;

    /* «карбон» — текстуру задаёт градиент со steel-blue хатчинг */
    --carbon-line:  rgba(116, 180, 200, 0.04);

    --border:       #1f3447;
    --border-hi:    #335772;

    /* текст */
    --text:         #dfeaf0;
    --text-muted:   #7e9bb0;
    --text-dim:     #4f6c82;

    /* акценты */
    --brand:        #46d6c2;    /* минтово-тиловый */
    --brand-hi:     #6ae6d4;
    --brand-dim:    #2a9a8a;

    --accent:       #f4a52a;    /* индустриальный амбер */
    --success:      #5fd668;    /* signal green */
    --warning:      #ffc845;
    --danger:       #ff5566;
    --info:         #5fb6e8;
    --magenta:      #d24fa0;    /* для редких подсветок */

    /* радиусы */
    --r-sm: 3px;
    --r-md: 5px;
    --r-lg: 8px;

    --shadow-1: 0 1px 0 rgba(255,255,255,0.025) inset,
                0 2px 4px rgba(0,0,0,0.6);
    --shadow-2: 0 4px 14px rgba(0,0,0,0.5),
                0 0 0 1px var(--border);
    --shadow-pop: 0 18px 40px rgba(0,0,0,0.7),
                  0 0 0 1px var(--border-hi),
                  inset 0 1px 0 rgba(116,180,200,0.08);
    --shadow-glow: 0 0 16px rgba(70,214,194,0.25);

    /* spacing */
    --sp-1: 4px; --sp-2: 8px; --sp-3: 12px; --sp-4: 16px;
    --sp-5: 20px; --sp-6: 24px; --sp-8: 32px;

    --t-fast: 130ms;
    --t-med:  240ms;

    --font-sans:  'Rubik', 'Roboto', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono:  'JetBrains Mono', 'Cascadia Code', Consolas, monospace;
    --font-display:'Rajdhani', 'Rubik', sans-serif;
}

/* Шрифты грузятся через <link> в index.html (@import тут раньше игнорировался браузером,
   т.к. стоял не в начале файла) */

/* ============================================================
   Base
   ============================================================ */
* { box-sizing: border-box; }
html, body {
    margin: 0; padding: 0; height: 100%;
    font-family: var(--font-sans);
    font-size: 13px;
    color: var(--text);
    background: var(--bg);
    overflow: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    letter-spacing: -0.005em;
}
/* стальная фоновая текстура: точки + диагональ */
body {
    background:
        linear-gradient(135deg, transparent 49.5%, var(--carbon-line) 49.5%, var(--carbon-line) 50%, transparent 50.5%) 0 0 / 16px 16px,
        radial-gradient(circle, rgba(116,180,200,0.05) 1px, transparent 1px) 0 0 / 20px 20px,
        radial-gradient(ellipse at 30% 0%, #0c1a2a, var(--bg));
}

#app { display: flex; flex-direction: column; height: 100vh; position: relative; z-index: 1; }

/* ============================================================
   Topbar — индустриальная панель
   ============================================================ */
#topbar {
    display: flex; justify-content: space-between; align-items: center;
    padding: 8px var(--sp-4);
    background:
        linear-gradient(180deg, #16263a 0%, var(--surface-0) 100%);
    border-bottom: 1px solid var(--border-hi);
    gap: var(--sp-3);
    height: 56px;
    flex-shrink: 0;
    position: relative;
}
#topbar::after {
    content: ''; position: absolute; left: 0; right: 0; bottom: -1px; height: 1px;
    background: linear-gradient(90deg, transparent, var(--brand) 50%, transparent);
    opacity: 0.4;
}

.brand {
    font-family: var(--font-display);
    font-size: 16px; font-weight: 700;
    color: var(--text);
    letter-spacing: 0.06em;
    text-transform: uppercase;
    display: flex; align-items: center; gap: 12px;
}
.brand::before {
    content: ''; display: inline-block;
    width: 28px; height: 28px;
    background:
        radial-gradient(circle at 35% 30%, rgba(255,255,255,0.25), transparent 60%),
        linear-gradient(135deg, var(--brand) 0%, var(--brand-dim) 100%);
    border-radius: 4px;
    box-shadow:
        inset 0 1px 0 rgba(255,255,255,0.4),
        inset 0 -1px 0 rgba(0,0,0,0.3),
        0 0 12px rgba(70,214,194,0.5);
    position: relative;
}
.brand::after {
    content: '⌬'; position: absolute;
    width: 28px; height: 28px; margin-left: -28px;
    color: rgba(0,0,0,0.65); font-size: 16px; font-weight: 800;
    text-align: center; line-height: 28px;
}

.controls { display: flex; align-items: center; gap: 6px; font-size: 12px; flex: 1 1 auto; min-width: 0; }
.controls .sep {
    width: 1px; height: 22px;
    background: linear-gradient(180deg, transparent, var(--border-hi), transparent);
    margin: 0 2px;
    flex-shrink: 0;
}
.controls label {
    color: var(--text-muted); display: flex; align-items: center; gap: 6px;
    font-size: 10.5px; text-transform: uppercase; letter-spacing: 0.12em;
    font-weight: 500; font-family: var(--font-display);
}

/* ── Эргономичный топбар: группы + выпадающие меню ── */
.tb-group { display: flex; align-items: center; gap: 5px; flex-shrink: 0; }
.tb-spacer { flex: 1 1 auto; min-width: 8px; }
.icon-btn { padding: 6px 9px; }                 /* кнопки-иконки уже */
#scene-search { width: 150px; max-width: 22vw; flex-shrink: 1; min-width: 80px; }

.tb-menu { position: relative; flex-shrink: 0; }
.tb-trigger { white-space: nowrap; }
.tb-menu.open .tb-trigger {
    border-color: var(--brand); color: var(--brand-hi);
    background: linear-gradient(180deg, var(--surface-3), var(--surface-2));
}
.tb-pop {
    position: absolute; top: calc(100% + 8px); right: 0;
    min-width: 196px;
    background: linear-gradient(180deg, var(--surface-2), var(--surface-1));
    border: 1px solid var(--border-hi);
    border-radius: var(--r-md);
    box-shadow: var(--shadow-pop);
    padding: 6px; display: none; flex-direction: column; gap: 2px;
    z-index: 400;
    animation: tbPopIn 0.12s ease;
}
@keyframes tbPopIn { from { opacity: 0; transform: translateY(-4px); } to { opacity: 1; transform: translateY(0); } }
.tb-menu.open .tb-pop { display: flex; }
.tb-pop::before {              /* маленький указатель к триггеру */
    content: ''; position: absolute; top: -5px; right: 16px;
    width: 9px; height: 9px; transform: rotate(45deg);
    background: var(--surface-2);
    border-left: 1px solid var(--border-hi); border-top: 1px solid var(--border-hi);
}
.tb-pop .menu-item {
    width: 100%; justify-content: flex-start; text-align: left;
    background: transparent; border: 1px solid transparent; height: 34px;
    box-shadow: none; font-size: 12.5px; color: var(--text);
}
.tb-pop .menu-item:hover {
    background: linear-gradient(180deg, var(--surface-3), var(--surface-2));
    border-color: var(--brand-dim); color: var(--brand-hi);
    transform: none;
}
.tb-pop .menu-item.active {
    background: linear-gradient(180deg, rgba(70,214,194,0.18), rgba(70,214,194,0.07));
    border-color: var(--brand-dim); color: var(--brand-hi);
}
.menu-sep { height: 1px; background: var(--border); margin: 4px 2px; }
.tb-pop .menu-item.danger-item { color: var(--danger); }
.danger-item:hover {
    background: linear-gradient(180deg, rgba(255,85,102,0.18), rgba(255,85,102,0.08)) !important;
    border-color: rgba(255,85,102,0.5) !important; color: var(--danger) !important;
}

.btn {
    background:
        linear-gradient(180deg, var(--surface-2) 0%, var(--surface-1) 100%);
    color: var(--text);
    border: 1px solid var(--border-hi);
    padding: 6px 12px;
    border-radius: var(--r-sm);
    cursor: pointer;
    font-family: var(--font-sans); font-size: 12px; font-weight: 500;
    letter-spacing: -0.003em;
    transition: all var(--t-fast);
    line-height: 1; height: 30px;
    display: inline-flex; align-items: center; gap: 6px;
    box-shadow: inset 0 1px 0 rgba(255,255,255,0.04), 0 1px 2px rgba(0,0,0,0.4);
}
.btn:hover {
    background: linear-gradient(180deg, var(--surface-3), var(--surface-2));
    border-color: var(--brand-dim);
    color: var(--brand-hi);
    transform: translateY(-0.5px);
    box-shadow:
        inset 0 1px 0 rgba(255,255,255,0.08),
        0 3px 6px rgba(0,0,0,0.4);
}
.btn:active { transform: translateY(0.5px); }
.btn.active {
    background: linear-gradient(180deg, rgba(70,214,194,0.25), rgba(70,214,194,0.10));
    border-color: var(--brand);
    color: var(--brand-hi);
    box-shadow: inset 0 0 8px rgba(70,214,194,0.2);
}
.btn.btn-primary {
    background: linear-gradient(180deg, var(--brand-hi), var(--brand-dim));
    color: #03161a; border-color: var(--brand);
    font-weight: 700;
    text-shadow: 0 1px 0 rgba(255,255,255,0.15);
    box-shadow:
        inset 0 1px 0 rgba(255,255,255,0.35),
        inset 0 -1px 0 rgba(0,0,0,0.25),
        0 0 10px rgba(70,214,194,0.3);
}
.btn.btn-primary:hover {
    background: linear-gradient(180deg, #8df0de, var(--brand));
    box-shadow:
        inset 0 1px 0 rgba(255,255,255,0.4),
        0 0 16px rgba(70,214,194,0.5);
}
.btn.btn-danger {
    background: linear-gradient(180deg, rgba(255,85,102,0.20), rgba(255,85,102,0.08));
    border-color: rgba(255,85,102,0.55);
    color: var(--danger);
}
.btn.btn-danger:hover {
    background: linear-gradient(180deg, rgba(255,85,102,0.3), rgba(255,85,102,0.15));
}

select, input[type="text"], input[type="number"] {
    background: var(--surface-0); color: var(--text);
    border: 1px solid var(--border-hi); border-radius: var(--r-sm);
    padding: 5px 8px; font-size: 12px;
    font-family: var(--font-mono);
    transition: all var(--t-fast);
    box-shadow: inset 0 1px 2px rgba(0,0,0,0.3);
}
select { font-family: var(--font-sans); }
select:focus, input:focus {
    outline: none; border-color: var(--brand);
    box-shadow: inset 0 1px 2px rgba(0,0,0,0.3), 0 0 0 2px rgba(70,214,194,0.15);
}
input[type="checkbox"] { accent-color: var(--brand); cursor: pointer; }

/* ============================================================
   Main layout
   ============================================================ */
#main { display: flex; flex: 1; min-height: 0; }

aside {
    background: var(--surface-0);
    border-right: 1px solid var(--border);
    display: flex; flex-direction: column; min-height: 0;
    flex-shrink: 0;
    position: relative;
}
aside::before {
    content: ''; position: absolute; right: -1px; top: 0; bottom: 0; width: 1px;
    background: linear-gradient(180deg, transparent 0%, var(--brand-dim) 30%, var(--brand-dim) 70%, transparent 100%);
    opacity: 0.3; pointer-events: none;
}
#left-panel { width: 274px; min-width: 274px; }
#right-panel {
    width: 320px; min-width: 320px;
    border-right: none; border-left: 1px solid var(--border);
}
#right-panel::before { left: -1px; right: auto; }

/* ── Сворачивание и изменение ширины боковых панелей ── */
.panel-collapse {
    position: absolute; right: 6px; top: 50%; transform: translateY(-50%);
    width: 22px; height: 22px;
    display: flex; align-items: center; justify-content: center;
    background: var(--surface-2); border: 1px solid var(--border-hi);
    border-radius: var(--r-sm); color: var(--text-muted);
    cursor: pointer; font-size: 15px; line-height: 1; font-family: var(--font-sans);
    transition: all var(--t-fast); padding: 0;
}
.panel-collapse:hover { color: var(--brand-hi); border-color: var(--brand-dim); background: var(--surface-3); }

.panel-resizer {
    position: absolute; top: 0; bottom: 0; right: -3px; width: 7px;
    cursor: col-resize; z-index: 30;
}
.panel-resizer.left { right: auto; left: -3px; }
.panel-resizer::after {
    content: ''; position: absolute; top: 0; bottom: 0; left: 50%; width: 2px;
    transform: translateX(-50%); background: transparent; transition: background var(--t-fast);
}
.panel-resizer:hover::after, .panel-resizer.dragging::after {
    background: var(--brand); box-shadow: 0 0 8px var(--brand);
}

#left-panel.collapsed, #right-panel.collapsed {
    width: 0 !important; min-width: 0 !important;
    border: none; overflow: hidden;
}
#left-panel.collapsed > *, #right-panel.collapsed > * { display: none; }
#left-panel.collapsed::before, #right-panel.collapsed::before { display: none; }

.panel-expand {
    position: absolute; top: 64px; z-index: 40;
    width: 22px; height: 50px;
    display: none; align-items: center; justify-content: center;
    background: linear-gradient(180deg, var(--surface-2), var(--surface-1));
    border: 1px solid var(--border-hi);
    color: var(--brand-hi); cursor: pointer; font-size: 16px;
    box-shadow: var(--shadow-2); transition: all var(--t-fast);
}
.panel-expand.left  { left: 0;  border-left: none;  border-radius: 0 var(--r-md) var(--r-md) 0; }
.panel-expand.right { right: 0; border-right: none; border-radius: var(--r-md) 0 0 var(--r-md); }
.panel-expand:hover { color: #fff; background: linear-gradient(180deg, var(--surface-3), var(--surface-2)); }
.panel-expand.show { display: flex; }

aside h3 {
    margin: 0;
    padding: var(--sp-3) var(--sp-3) var(--sp-2);
    font-family: var(--font-display);
    font-size: 11px; font-weight: 600;
    text-transform: uppercase;
    color: var(--brand-hi);
    letter-spacing: 0.15em;
    border-bottom: 1px solid var(--border);
    position: relative;
    background: linear-gradient(180deg, rgba(70,214,194,0.04), transparent);
}
aside h3::before {
    content: ''; position: absolute; left: var(--sp-3); bottom: -1px;
    width: 32px; height: 2px;
    background: var(--brand);
    box-shadow: 0 0 6px var(--brand);
}

#block-search {
    width: calc(100% - 24px); margin: var(--sp-2) var(--sp-3);
    padding: 7px 10px; padding-left: 30px;
    background: var(--surface-1)
        url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2346d6c2' stroke-width='2'%3E%3Ccircle cx='11' cy='11' r='8'/%3E%3Cpath d='M21 21l-4.35-4.35'/%3E%3C/svg%3E")
        no-repeat 9px center / 13px;
    font-size: 12px;
}

.palette-tabs {
    display: flex; gap: 4px;
    padding: 6px var(--sp-3) 6px;
    flex-shrink: 0;
}
.palette-tab {
    flex: 1; min-width: 0;
    padding: 6px 2px;
    display: flex; flex-direction: column; align-items: center; gap: 2px;
    font-family: var(--font-display); font-weight: 600;
    letter-spacing: 0.01em;
    color: var(--text-muted);
    background: linear-gradient(180deg, var(--surface-2), var(--surface-1));
    border: 1px solid var(--border);
    border-radius: var(--r-sm);
    cursor: pointer;
    transition: all var(--t-fast);
}
.palette-tab .ptab-ic { font-size: 14px; line-height: 1; }
.palette-tab .ptab-lb { font-size: 9.5px; line-height: 1.05; text-align: center; }
.palette-tab:hover {
    color: var(--text);
    border-color: var(--brand-dim);
}
.palette-tab.active {
    color: var(--surface-0);
    background: linear-gradient(180deg, var(--brand), var(--brand-dim));
    border-color: var(--brand);
    box-shadow: 0 0 10px rgba(70,214,194,0.35);
}
.palette-empty {
    grid-column: 1 / -1;
    text-align: center;
    color: var(--text-muted);
    font-size: 11px;
    padding: 24px 0;
}

#block-palette {
    display: grid; grid-template-columns: 1fr 1fr;
    gap: 7px;
    overflow-y: auto;
    flex: 1; padding: 0 var(--sp-3) var(--sp-3);
}
.palette-category {
    grid-column: 1 / -1;
    color: var(--brand);
    font-family: var(--font-display);
    font-size: 10px; font-weight: 600;
    text-transform: uppercase; letter-spacing: 0.18em;
    padding: var(--sp-3) 0 4px;
    margin-top: 4px;
    position: relative;
    display: flex; align-items: center; gap: 8px;
}
.palette-category::after {
    content: ''; flex: 1; height: 1px;
    background: linear-gradient(90deg, var(--brand-dim), transparent);
    opacity: 0.5;
}
.palette-category:first-child { padding-top: var(--sp-1); margin-top: 0; }

.palette-domain {
    grid-column: 1 / -1;
    font-family: var(--font-display);
    font-size: 12px; font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--surface-0);
    background: linear-gradient(90deg, var(--brand), var(--brand-dim));
    padding: 5px 10px;
    margin: 10px 0 2px;
    border-radius: var(--r-sm);
    text-align: center;
    box-shadow: 0 0 10px rgba(70,214,194,0.3);
}
.palette-domain:first-child { margin-top: 0; }

.palette-item {
    background:
        linear-gradient(180deg, var(--surface-2), var(--surface-1));
    border: 1px solid var(--border);
    border-radius: var(--r-md);
    padding: 6px 4px; cursor: grab; user-select: none;
    text-align: center;
    font-size: 10.5px; font-weight: 500;
    color: var(--text-muted);
    line-height: 1.2;
    transition: all var(--t-fast);
    word-break: break-word; min-height: 70px;
    display: flex; flex-direction: column; align-items: center; justify-content: flex-start;
    gap: 5px;
    position: relative;
    box-shadow: inset 0 1px 0 rgba(255,255,255,0.03), 0 1px 2px rgba(0,0,0,0.3);
}
.palette-item:hover {
    background: linear-gradient(180deg, var(--surface-3), var(--surface-2));
    border-color: var(--brand);
    color: var(--text);
    transform: translateY(-1px) scale(1.02);
    box-shadow:
        inset 0 1px 0 rgba(255,255,255,0.08),
        0 4px 12px rgba(0,0,0,0.55),
        0 0 0 1px var(--brand),
        0 0 16px rgba(70,214,194,0.35);
}
.palette-item canvas { transition: filter 180ms; }
.palette-item:hover canvas { filter: brightness(1.15) saturate(1.2); }
.palette-item:active { cursor: grabbing; transform: translateY(0); }
.palette-item canvas { display: block; border-radius: 3px; }

/* ============================================================
   Canvas wrap
   ============================================================ */
#canvas-wrap {
    flex: 1; position: relative; overflow: hidden;
    background: #03080d;
}
#scene { display: block; width: 100%; height: 100%; cursor: default; }

.float-panel-shared {
    background: linear-gradient(180deg, rgba(24, 42, 61, 0.92), rgba(16, 28, 42, 0.92));
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--border-hi);
    border-radius: var(--r-md);
    box-shadow: var(--shadow-2);
}

#hint {
    position: absolute; bottom: var(--sp-3); left: 50%; transform: translateX(-50%);
    background: linear-gradient(180deg, rgba(24, 42, 61, 0.92), rgba(16, 28, 42, 0.92));
    backdrop-filter: blur(8px);
    padding: 6px 8px 6px 16px; border-radius: 100px;
    font-size: 11px; color: var(--text-muted);
    border: 1px solid var(--border-hi);
    text-align: center; pointer-events: none;
    white-space: nowrap;
    font-weight: 500; letter-spacing: 0.01em;
    box-shadow: var(--shadow-2);
    display: flex; align-items: center; gap: 8px;
}
#hint.hidden { display: none; }
#hint-close {
    pointer-events: auto; cursor: pointer;
    background: transparent; border: none; color: var(--text-dim);
    font-size: 15px; line-height: 1; padding: 2px 6px; border-radius: 50%;
    transition: all var(--t-fast);
}
#hint-close:hover { color: var(--danger); background: rgba(255,85,102,0.12); }

#legend {
    position: absolute; top: var(--sp-3); right: var(--sp-3);
    background: linear-gradient(180deg, rgba(24, 42, 61, 0.92), rgba(16, 28, 42, 0.92));
    backdrop-filter: blur(10px);
    padding: var(--sp-3); border-radius: var(--r-md);
    border: 1px solid var(--border-hi); font-size: 11px;
    min-width: 162px;
    box-shadow: var(--shadow-2);
}
.legend-title {
    color: var(--brand); font-family: var(--font-display);
    text-transform: uppercase; font-size: 10px;
    font-weight: 600; letter-spacing: 0.16em;
    margin-bottom: var(--sp-2);
    padding-bottom: 6px;
    border-bottom: 1px solid var(--border);
    position: relative;
    cursor: pointer; user-select: none;
    display: flex; align-items: center; justify-content: space-between; gap: 8px;
}
.legend-title:hover { color: var(--brand-hi); }
.legend-title::after {
    content: ''; position: absolute; bottom: -1px; left: 0;
    width: 24px; height: 1px; background: var(--brand);
    box-shadow: 0 0 4px var(--brand);
}
.legend-chev { font-size: 9px; transition: transform var(--t-fast); opacity: 0.8; }
#legend.collapsed .legend-chev { transform: rotate(-90deg); }
#legend.collapsed #legend-fluids { display: none; }
#legend.collapsed .legend-title { margin-bottom: 0; padding-bottom: 2px; border-bottom: none; }
#legend.collapsed .legend-title::after { display: none; }
#legend.collapsed { min-width: 0; }
.legend-item { display: flex; align-items: center; gap: var(--sp-2); margin: 4px 0; color: var(--text-muted); }
.legend-swatch {
    width: 14px; height: 14px;
    border-radius: 2px;
    border: 1px solid rgba(0,0,0,0.6);
    box-shadow:
        inset 0 1px 0 rgba(255,255,255,0.25),
        0 1px 2px rgba(0,0,0,0.4);
}

#stats {
    position: absolute; top: var(--sp-3); left: var(--sp-3);
    background: linear-gradient(180deg, rgba(24, 42, 61, 0.92), rgba(16, 28, 42, 0.92));
    backdrop-filter: blur(8px);
    padding: 7px 12px; border-radius: var(--r-md);
    font-size: 11px; color: var(--text-muted);
    border: 1px solid var(--border-hi);
    font-family: var(--font-mono);
    box-shadow: var(--shadow-2);
}
#stats b {
    color: var(--brand-hi); font-weight: 600;
    text-shadow: 0 0 4px rgba(70,214,194,0.4);
}

#minimap {
    position: absolute; right: var(--sp-3); bottom: 50px;
    background: rgba(16, 28, 42, 0.95);
    border: 1px solid var(--border-hi);
    border-radius: var(--r-md);
    cursor: pointer;
    box-shadow: var(--shadow-2);
}
#chart {
    position: absolute; left: var(--sp-3); bottom: 50px;
    background: rgba(16, 28, 42, 0.95);
    border: 1px solid var(--border-hi);
    border-radius: var(--r-md);
    box-shadow: var(--shadow-2);
    display: none;
}
#chart.visible { display: block; }

#alarm-bar {
    position: absolute; top: var(--sp-3); left: 50%; transform: translateX(-50%);
    background:
        linear-gradient(180deg, #d63a4a, #9f2935);
    border: 1px solid #ff7a88;
    border-radius: 100px;
    padding: 8px 20px; font-size: 12px; color: #fff;
    display: none; max-width: 60%;
    box-shadow:
        0 8px 28px rgba(255, 85, 102, 0.45),
        inset 0 1px 0 rgba(255,255,255,0.25);
    font-weight: 600; letter-spacing: 0.01em;
    text-transform: uppercase;
    font-family: var(--font-display);
}
#alarm-bar.visible { display: block; animation: alarmPulse 1.4s ease-in-out infinite; }
@keyframes alarmPulse {
    0%, 100% { box-shadow: 0 8px 28px rgba(255,85,102,0.45), inset 0 1px 0 rgba(255,255,255,0.25); }
    50%      { box-shadow: 0 8px 42px rgba(255,85,102,0.85), inset 0 1px 0 rgba(255,255,255,0.4); }
}

/* ============================================================
   Right panel
   ============================================================ */
#properties { overflow-y: auto; flex: 1 1 60%; min-height: 0; padding: var(--sp-3); padding-top: var(--sp-2); }
#event-log {
    overflow-y: auto; flex: 1 1 40%;
    min-height: 110px;
    background:
        repeating-linear-gradient(0deg, transparent 0, transparent 17px, rgba(70,214,194,0.025) 17px, rgba(70,214,194,0.025) 18px),
        #050a10;
    border-top: 1px solid var(--border-hi);
    padding: var(--sp-2) var(--sp-3);
    font-size: 11px; font-family: var(--font-mono);
    color: var(--text-muted);
}
.event-entry {
    margin-bottom: 4px; line-height: 1.55;
    padding-left: var(--sp-2);
    border-left: 2px solid transparent;
}
.event-entry.warn { color: var(--warning); border-left-color: var(--warning); }
.event-entry.err  { color: var(--danger);  border-left-color: var(--danger); }
.event-entry.info { color: var(--text-muted); }
.event-entry .time {
    color: var(--brand-dim); margin-right: 6px;
    font-variant-numeric: tabular-nums;
}

.empty {
    color: var(--text-dim);
    padding: var(--sp-5) 0; text-align: center; font-size: 12px;
    font-style: italic;
}

/* Property sections */
.prop-section {
    border-bottom: 1px solid var(--border);
    padding: var(--sp-3) 0;
}
.prop-section:last-child { border-bottom: none; padding-bottom: 0; }
.prop-section:first-child { padding-top: var(--sp-2); }
.prop-title {
    font-family: var(--font-display);
    font-size: 11px; font-weight: 600;
    color: var(--brand-hi);
    margin-bottom: var(--sp-2);
    text-transform: uppercase; letter-spacing: 0.14em;
    padding-bottom: 4px;
    border-bottom: 1px solid var(--border);
    position: relative;
}
.prop-title::after {
    content: ''; position: absolute; bottom: -1px; left: 0;
    width: 28px; height: 1px; background: var(--brand);
    box-shadow: 0 0 4px var(--brand);
}
/* Сворачиваемые секции свойств */
.prop-section.collapsible > .prop-title {
    cursor: pointer; user-select: none;
    display: flex; align-items: center; justify-content: space-between;
    transition: color var(--t-fast);
}
.prop-section.collapsible > .prop-title:hover { color: #fff; }
.prop-chevron { font-size: 9px; opacity: 0.65; transition: transform var(--t-fast); margin-left: 8px; }
.prop-section.collapsed > .prop-title .prop-chevron { transform: rotate(-90deg); }
.prop-section.collapsible.collapsed > *:not(.prop-title) { display: none; }
.prop-section.collapsible.collapsed > .prop-title { margin-bottom: 0; }

.prop-row {
    display: grid; grid-template-columns: 1fr 1fr;
    gap: var(--sp-2); align-items: center;
    padding: 4px 0; font-size: 12px;
}
.prop-label { color: var(--text-muted); font-weight: 400; }
.prop-value { color: var(--text); text-align: right; }
.prop-value input, .prop-value select { width: 100%; text-align: left; }
.prop-readonly {
    color: var(--brand-hi); font-family: var(--font-mono);
    font-size: 11.5px;
    font-variant-numeric: tabular-nums;
}

.prop-bar {
    height: 5px; background: var(--surface-2);
    border-radius: 2px;
    overflow: hidden;
    margin-top: 4px;
    border: 1px solid var(--border);
    box-shadow: inset 0 1px 2px rgba(0,0,0,0.5);
}
.prop-bar-fill {
    height: 100%;
    transition: width var(--t-med);
    box-shadow: 0 0 6px currentColor;
}
.prop-bar-fill.ok   { background: linear-gradient(90deg, var(--brand-dim), var(--success)); }
.prop-bar-fill.warn { background: linear-gradient(90deg, #c08a30, var(--warning)); }
.prop-bar-fill.err  { background: linear-gradient(90deg, #a83545, var(--danger)); }

/* ============================================================
   Context menu
   ============================================================ */
#context-menu {
    position: absolute;
    background: linear-gradient(180deg, var(--surface-2), var(--surface-1));
    border: 1px solid var(--border-hi);
    border-radius: var(--r-md);
    padding: var(--sp-1) 0; min-width: 220px;
    z-index: 100; font-size: 12.5px;
    box-shadow: var(--shadow-pop);
}
.ctx-item {
    padding: 7px var(--sp-3);
    cursor: pointer; transition: background var(--t-fast);
    color: var(--text); display: flex; align-items: center; gap: 8px;
}
.ctx-item:hover { background: rgba(70,214,194,0.12); color: var(--brand-hi); }
.ctx-item.danger { color: var(--danger); }
.ctx-item.danger:hover { background: rgba(255,85,102,0.15); }
.ctx-sep { border-top: 1px solid var(--border); margin: 4px 0; }
.hidden { display: none !important; }

/* ============================================================
   Tooltip
   ============================================================ */
#tooltip {
    position: absolute; pointer-events: none; z-index: 300;
    background: linear-gradient(180deg, var(--surface-2), var(--surface-1));
    border: 1px solid var(--border-hi);
    border-radius: var(--r-md);
    padding: 9px 12px;
    font-size: 12px; color: var(--text);
    max-width: 320px; line-height: 1.55;
    box-shadow: var(--shadow-pop);
    opacity: 0; transform: translateY(3px) scale(0.99);
    transition: opacity 140ms ease, transform 140ms ease;
}
#tooltip.visible { opacity: 1; transform: translateY(0) scale(1); }
.tooltip-title {
    font-family: var(--font-display);
    color: var(--brand-hi); font-weight: 600;
    margin-bottom: 4px; font-size: 12px;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}
.tooltip-meta {
    color: var(--text-dim); font-size: 10.5px;
    margin-top: 6px; text-transform: uppercase;
    letter-spacing: 0.1em; font-weight: 500;
}
.tooltip-params {
    color: var(--text-muted); font-size: 11px;
    margin-top: 4px;
    font-family: var(--font-mono);
}

.prop-label.has-hint { cursor: help; }
.prop-label.has-hint::after {
    content: '?'; display: inline-block;
    width: 13px; height: 13px;
    background: var(--surface-2);
    color: var(--text-muted);
    border: 1px solid var(--border-hi);
    border-radius: 50%;
    text-align: center; line-height: 12px;
    font-size: 9px; margin-left: 5px;
    font-weight: 700;
    transition: all var(--t-fast);
}
.prop-label.has-hint:hover::after {
    background: var(--brand); color: var(--surface-0);
    border-color: var(--brand);
    box-shadow: 0 0 6px var(--brand);
}

/* ============================================================
   Modal
   ============================================================ */
#modal {
    position: absolute; inset: 0;
    background: rgba(3, 8, 13, 0.78);
    backdrop-filter: blur(6px);
    display: flex; align-items: center; justify-content: center;
    z-index: 200;
}
.modal-body {
    background:
        linear-gradient(180deg, var(--surface-2), var(--surface-1));
    border: 1px solid var(--border-hi);
    border-radius: var(--r-lg);
    padding: var(--sp-6);
    max-width: 720px; max-height: 84vh;
    overflow-y: auto;
    box-shadow: var(--shadow-pop);
    position: relative;
}
.modal-body::before {
    content: ''; position: absolute; top: 0; left: 24px; right: 24px; height: 2px;
    background: linear-gradient(90deg, transparent, var(--brand), transparent);
    box-shadow: 0 0 8px var(--brand);
}
.modal-title {
    font-family: var(--font-display);
    font-size: 22px; font-weight: 700;
    color: var(--text);
    margin-bottom: var(--sp-3);
    letter-spacing: 0.04em;
    text-transform: uppercase;
    padding-bottom: var(--sp-2);
    border-bottom: 1px solid var(--border);
}
.modal-content {
    font-size: 13.5px; line-height: 1.7;
    margin-bottom: var(--sp-4);
    color: var(--text-muted);
}
.modal-content h4 {
    color: var(--brand-hi); margin: 22px 0 6px;
    font-family: var(--font-display);
    font-size: 13px; font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.12em;
}
.modal-content ul, .modal-content ol { margin: 4px 0 8px; padding-left: 22px; }
.modal-content li { margin: 4px 0; }
.modal-content b { color: var(--text); font-weight: 600; }
.modal-content code {
    background: var(--surface-0);
    padding: 1px 6px; border-radius: 2px;
    color: var(--accent); font-family: var(--font-mono);
    font-size: 11.5px; font-weight: 500;
    border: 1px solid var(--border);
}
.modal-content pre {
    background: var(--surface-0);
    border: 1px solid var(--border);
    border-left: 3px solid var(--brand);
    padding: 10px 14px;
    border-radius: var(--r-sm);
    overflow-x: auto;
    margin: 8px 0;
}
.modal-content pre code {
    background: transparent; border: none; padding: 0;
    color: var(--text); font-size: 12px; line-height: 1.55;
    font-weight: 400;
}

/* Примеры скриптов МК */
.mcu-example {
    background: var(--surface-0);
    border: 1px solid var(--border);
    border-radius: var(--r-md);
    padding: 12px 14px;
    margin: 10px 0;
    transition: border-color var(--t-fast);
}
.mcu-example:hover { border-color: var(--brand-dim); }
.mcu-example-head {
    display: flex; justify-content: space-between; align-items: center;
    gap: 12px; margin-bottom: 4px;
}
.mcu-example-name {
    font-family: var(--font-display);
    font-size: 13px; font-weight: 600;
    color: var(--brand-hi);
    letter-spacing: 0.04em;
    text-transform: uppercase;
}
.mcu-example-desc {
    color: var(--text-muted);
    font-size: 12px;
    margin-bottom: 6px;
    line-height: 1.45;
}
.mcu-example pre {
    margin: 8px 0 0;
    border-left-color: var(--success);
}

/* ============================================================
   Главное меню
   ============================================================ */
#main-menu, #level-select, #level-complete {
    position: absolute; inset: 0; z-index: 500;
    background:
        radial-gradient(ellipse at 50% 30%, rgba(70,214,194,0.06), transparent 60%),
        rgba(3, 8, 13, 0.92);
    backdrop-filter: blur(10px);
    display: flex; align-items: center; justify-content: center;
    animation: menuFadeIn 280ms ease;
}
#main-menu.hidden, #level-select.hidden, #level-complete.hidden { display: none; }
@keyframes menuFadeIn {
    from { opacity: 0; }
    to   { opacity: 1; }
}

.menu-card {
    background:
        linear-gradient(180deg, var(--surface-2), var(--surface-0));
    border: 1px solid var(--border-hi);
    border-radius: var(--r-lg);
    padding: 36px 40px;
    min-width: 460px; max-width: 720px;
    text-align: center;
    box-shadow:
        0 28px 70px rgba(0,0,0,0.7),
        0 0 0 1px var(--border-hi),
        inset 0 1px 0 rgba(116,180,200,0.1);
    position: relative;
}
.menu-card::before {
    content: ''; position: absolute; top: 0; left: 60px; right: 60px; height: 2px;
    background: linear-gradient(90deg, transparent, var(--brand), transparent);
    box-shadow: 0 0 10px var(--brand);
}

/* Базовые .menu-title / .menu-subtitle — используются также экранами
   #level-select, #scenario-select, #level-complete. НЕ трогаем их вид;
   главное меню переопределяет их ниже через #main-menu .menu-title и т.п. */
.menu-title {
    font-family: var(--font-display);
    font-size: 26px; font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--text);
    margin-bottom: 6px;
}
.menu-subtitle {
    color: var(--text-muted);
    font-size: 13px;
    margin-bottom: 28px;
}

/* ============================================================
   ГЛАВНОЕ МЕНЮ — AAA приборная консоль (v2.5)
   Слои: канвас «блоки-и-трубы» → дышащее свечение → CRT-оверлей →
   реги-метки → P&ID-консоль. Всё в #main-menu, чтобы не задеть
   экраны уровней/сценариев, делящие классы .menu-card/.menu-title.
   ============================================================ */
#main-menu {
    /* фиксируем тёмную SCADA-идентичность независимо от темы оформления */
    --brand:#46d6c2; --brand-hi:#6ae6d4; --brand-dim:#2a9a8a;
    --accent:#f4a52a; --success:#5fd668; --info:#5fb6e8; --danger:#ff5566;
    --surface-0:#0a121c; --surface-1:#101c2a; --surface-2:#182a3d; --surface-3:#233a52;
    --text:#dfeaf0; --text-muted:#7e9bb0; --text-dim:#4f6c82;
    --border:#1f3447; --border-hi:#335772;
    overflow: hidden;
}

/* ── Слой 0: живой фон (канвас) ── */
#menu-bg {
    position: absolute; inset: 0; width: 100%; height: 100%;
    display: block; z-index: 0; pointer-events: none;
}

/* ── Слой 1: дышащее ядро-свечение (Cherenkov-подобный wash) ── */
.menu-coreglow {
    position: absolute; inset: 0; z-index: 1; pointer-events: none;
    background:
        radial-gradient(ellipse 60% 48% at 50% 46%, rgba(70,214,194,0.16), transparent 62%),
        radial-gradient(ellipse 80% 60% at 50% 120%, rgba(244,165,42,0.05), transparent 60%);
    animation: coreBreathe 7s ease-in-out infinite;
}
@keyframes coreBreathe {
    0%,100% { opacity: 0.7;  transform: scale(1); }
    50%     { opacity: 1;    transform: scale(1.05); }
}

/* ── Слой 1: CRT-оверлей (статичный, спокойный) — повторяет внутриигровой шейдер ── */
.menu-crt {
    position: absolute; inset: 0; z-index: 1; pointer-events: none;
    background:
        repeating-linear-gradient(0deg,
            rgba(0,0,0,0.16) 0px, rgba(0,0,0,0.16) 1px,
            transparent 1px, transparent 3px),
        radial-gradient(ellipse at 50% 50%, transparent 50%, rgba(2,6,10,0.6) 100%);
    mix-blend-mode: multiply;
}
.menu-crt::after {
    content: ''; position: absolute; inset: 0;
    box-shadow: inset 0 0 140px 14px rgba(70,214,194,0.06);
}

/* ── Слой 2: реги-метки по углам (чертёжная рамка) ── */
.menu-reg {
    position: absolute; z-index: 2; width: 26px; height: 26px; pointer-events: none;
    opacity: 0.5;
}
.menu-reg::before, .menu-reg::after {
    content: ''; position: absolute; background: var(--brand-dim);
    box-shadow: 0 0 6px rgba(70,214,194,0.4);
}
.menu-reg::before { left: 0; top: 0; width: 100%; height: 1px; }
.menu-reg::after  { left: 0; top: 0; width: 1px; height: 100%; }
.menu-reg--tl { top: 16px; left: 16px; }
.menu-reg--tr { top: 16px; right: 16px; transform: scaleX(-1); }
.menu-reg--bl { bottom: 16px; left: 16px; transform: scaleY(-1); }
.menu-reg--br { bottom: 16px; right: 16px; transform: scale(-1,-1); }

/* ── Консоль ── */
#main-menu .hud-console {
    position: relative; z-index: 3;
    width: min(720px, 94vw);
    max-height: calc(100vh - 30px);
    overflow-y: auto; overflow-x: hidden;
    padding: 20px 30px 22px;
    border: 1px solid var(--border-hi);
    border-radius: var(--r-lg);
    background:
        linear-gradient(180deg, rgba(24,42,61,0.94), rgba(10,18,28,0.97));
    box-shadow:
        0 34px 90px rgba(0,0,0,0.72),
        0 0 0 1px var(--border-hi),
        0 0 70px rgba(70,214,194,0.10),
        inset 0 1px 0 rgba(116,180,200,0.12);
    animation: bootCard 540ms cubic-bezier(.2,.7,.2,1) both;
}
#main-menu .hud-console::before {
    content: ''; position: absolute; top: 0; left: 56px; right: 56px; height: 2px;
    background: linear-gradient(90deg, transparent, var(--brand-hi), transparent);
    box-shadow: 0 0 12px var(--brand);
}
@keyframes bootCard {
    from { opacity: 0; transform: translateY(16px) scale(.985); filter: blur(7px); }
    to   { opacity: 1; transform: none; filter: none; }
}

/* ── Выход ── */
#main-menu .menu-exit {
    position: absolute; top: 12px; right: 12px; z-index: 4;
    display: inline-flex; align-items: center; gap: 7px;
    background: rgba(255,85,102,0.13); color: var(--danger);
    border: 1px solid rgba(255,85,102,0.5);
    padding: 5px 11px; border-radius: var(--r-sm);
    cursor: pointer; font-family: var(--font-mono);
    font-size: 10.5px; font-weight: 500; letter-spacing: 0.1em;
    transition: background var(--t-fast), color var(--t-fast), box-shadow var(--t-fast);
}
#main-menu .menu-exit:hover { background: rgba(255,85,102,0.3); color: #fff; box-shadow: 0 0 16px rgba(255,85,102,0.4); }
#main-menu .menu-exit:focus-visible { outline: 2px solid var(--danger); outline-offset: 2px; }
.exit-led {
    width: 6px; height: 6px; border-radius: 50%;
    background: var(--danger); box-shadow: 0 0 6px var(--danger);
    animation: ledBreathe 2.4s ease-in-out infinite;
}

/* ── P&ID шильдик-заголовок ── */
.hud-plate {
    position: relative;
    display: flex; align-items: center; gap: 16px;
    padding: 14px 18px; margin-bottom: 14px;
    border: 1px solid var(--border-hi); border-radius: var(--r-md);
    background:
        linear-gradient(180deg, #20354a 0%, #16263a 55%, #101c2a 100%);
    box-shadow:
        inset 0 1px 0 rgba(255,255,255,0.08),
        inset 0 -3px 8px rgba(0,0,0,0.4),
        0 3px 10px rgba(0,0,0,0.35);
    animation: bootIn 460ms ease both 80ms;
}
.hud-rivet {
    position: absolute; width: 6px; height: 6px; border-radius: 50%;
    background: radial-gradient(circle at 35% 30%, #b9cdd9, #4a6172 60%, #1c2b38);
    box-shadow: inset 0 -1px 1px rgba(0,0,0,0.6), 0 1px 1px rgba(0,0,0,0.5);
}
.hud-rivet--tl { top: 7px; left: 7px; }
.hud-rivet--tr { top: 7px; right: 7px; }
.hud-rivet--bl { bottom: 7px; left: 7px; }
.hud-rivet--br { bottom: 7px; right: 7px; }

#main-menu .menu-logo {
    flex: 0 0 auto; position: relative;
    width: 62px; height: 62px; margin: 0;
    display: flex; align-items: center; justify-content: center;
}
#main-menu .menu-logo::before {
    content: ''; position: absolute; inset: -10px; border-radius: 50%;
    background: radial-gradient(circle, rgba(70,214,194,0.42), transparent 68%);
    animation: sealBreathe 7s ease-in-out infinite;
}
.menu-logo-glyph {
    position: relative; z-index: 1;
    width: 62px; height: 62px;
    display: flex; align-items: center; justify-content: center;
    font-size: 36px; font-weight: 800; color: #03161a;
    background: linear-gradient(135deg, var(--brand-hi) 0%, var(--brand-dim) 100%);
    clip-path: polygon(50% 0%, 93% 25%, 93% 75%, 50% 100%, 7% 75%, 7% 25%);
    box-shadow:
        inset 0 2px 0 rgba(255,255,255,0.4),
        inset 0 -3px 8px rgba(0,0,0,0.4),
        0 6px 22px rgba(70,214,194,0.45);
}
.hud-plate-id { flex: 1 1 auto; min-width: 0; text-align: left; }
#main-menu .menu-title {
    font-family: var(--font-display);
    font-size: clamp(24px, 4.4vw, 32px); font-weight: 700;
    letter-spacing: 0.05em; text-transform: uppercase;
    color: var(--text); margin: 0 0 3px; line-height: 1;
    text-shadow: 0 0 22px rgba(70,214,194,0.30);
}
#main-menu .menu-subtitle {
    color: var(--text-dim); font-family: var(--font-mono);
    font-size: 10.5px; letter-spacing: 0.08em; margin: 0;
    white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.hud-status {
    flex: 0 0 auto; display: inline-flex; align-items: center; gap: 8px;
    font-family: var(--font-mono); font-size: 9.5px; font-weight: 500;
    letter-spacing: 0.12em; line-height: 1.15; color: var(--success);
    padding: 6px 10px; border-radius: var(--r-sm);
    border: 1px solid rgba(95,214,104,0.32);
    background: rgba(95,214,104,0.07);
}
.hud-status-led {
    width: 8px; height: 8px; border-radius: 50%; flex: 0 0 auto;
    background: var(--success);
    box-shadow: 0 0 6px var(--success), 0 0 12px rgba(95,214,104,0.5);
    animation: ledBreathe 2.6s ease-in-out infinite;
}
@keyframes ledBreathe {
    0%,100% { opacity: .8; }
    50%     { opacity: 1; }
}
@keyframes sealBreathe {
    0%,100% { opacity: .55; transform: scale(1); }
    50%     { opacity: .9;  transform: scale(1.12); }
}

/* ── ЖК-табло параметров ── */
.hud-readout {
    display: grid; grid-template-columns: repeat(4, 1fr);
    margin-bottom: 16px;
    border: 1px solid var(--border-hi); border-radius: var(--r-md);
    background:
        repeating-linear-gradient(0deg, rgba(0,0,0,0.22) 0 1px, transparent 1px 3px),
        linear-gradient(180deg, #07121b, #050b12);
    box-shadow: inset 0 2px 8px rgba(0,0,0,0.6), inset 0 0 0 1px rgba(0,0,0,0.3);
    overflow: hidden;
    animation: bootIn 460ms ease both 160ms;
}
.ro-cell {
    display: flex; flex-direction: column; align-items: center; gap: 2px;
    padding: 10px 4px;
    border-right: 1px solid rgba(51,87,114,0.4);
}
.ro-cell:last-child { border-right: none; }
.ro-v {
    font-family: var(--font-mono); font-weight: 500;
    font-size: 22px; line-height: 1; color: var(--brand-hi);
    text-shadow: 0 0 10px rgba(70,214,194,0.5);
    font-variant-numeric: tabular-nums;
}
.ro-v--ver { color: var(--accent); text-shadow: 0 0 10px rgba(244,165,42,0.5); }
.ro-k {
    font-family: var(--font-mono); font-size: 8.5px;
    letter-spacing: 0.14em; text-transform: uppercase; color: var(--text-dim);
}

/* ── Режимы: приборные плиты ── */
#main-menu .menu-modes {
    display: grid; grid-template-columns: 1fr 1fr; gap: 12px;
}
#main-menu .menu-mode {
    --acc-hi: var(--acc);
    --acc-hi: color-mix(in srgb, var(--acc), #ffffff 26%);
    position: relative; overflow: hidden;
    display: grid;
    grid-template-columns: 46px 1fr;
    grid-template-areas: "icon body" "act act";
    align-items: center; gap: 4px 14px;
    text-align: left; padding: 15px 16px 0 18px; min-height: 92px;
    font-family: inherit; color: var(--text); cursor: pointer;
    border: 1px solid var(--border-hi); border-radius: var(--r-md);
    background:
        linear-gradient(180deg, rgba(40,62,84,0.55) 0%, var(--surface-1) 18%, var(--surface-0) 100%);
    box-shadow:
        inset 0 1px 0 rgba(255,255,255,0.06),
        inset 0 -2px 6px rgba(0,0,0,0.35),
        0 2px 6px rgba(0,0,0,0.3);
    transition: transform var(--t-fast), border-color var(--t-fast), box-shadow var(--t-fast);
    animation: bootPlate 460ms cubic-bezier(.2,.7,.2,1) both;
}
#main-menu .menu-mode:nth-child(1){ animation-delay: 260ms; }
#main-menu .menu-mode:nth-child(2){ animation-delay: 320ms; }
#main-menu .menu-mode:nth-child(3){ animation-delay: 380ms; }
#main-menu .menu-mode:nth-child(4){ animation-delay: 440ms; }
/* цветной рельс слева (per-mode) */
#main-menu .menu-mode::before {
    content: ''; position: absolute; left: 0; top: 0; bottom: 0; width: 3px;
    background: var(--acc); box-shadow: 0 0 8px var(--acc);
    opacity: 0.6; transition: width var(--t-fast), opacity var(--t-fast);
}
.unit-tag {
    position: absolute; top: 9px; right: 12px;
    font-family: var(--font-mono); font-size: 8.5px; letter-spacing: 0.1em;
    color: var(--text-dim);
}
.unit-led {
    position: absolute; top: 11px; right: 56px;
    width: 6px; height: 6px; border-radius: 50%;
    background: var(--acc); box-shadow: 0 0 7px var(--acc);
    opacity: 0.85; animation: ledBreathe 2.8s ease-in-out infinite;
}
#main-menu .menu-mode-icon {
    grid-area: icon;
    width: 46px; height: 46px; margin: 0;
    display: flex; align-items: center; justify-content: center;
    font-size: 24px; color: var(--acc-hi);
    border-radius: var(--r-sm);
    background: linear-gradient(180deg, var(--surface-2), var(--surface-0));
    border: 1px solid var(--border-hi);
    box-shadow: inset 0 1px 0 rgba(255,255,255,0.08), inset 0 -2px 5px rgba(0,0,0,0.4);
    text-shadow: 0 0 12px var(--acc);
    transition: box-shadow var(--t-fast), color var(--t-fast);
}
.menu-mode-body { grid-area: body; display: flex; flex-direction: column; gap: 3px; min-width: 0; }
#main-menu .menu-mode-name {
    font-family: var(--font-display); font-size: 16px; font-weight: 600;
    letter-spacing: 0.04em; text-transform: uppercase; color: var(--text);
    text-shadow: 0 1px 0 rgba(0,0,0,0.5); margin: 0;
}
#main-menu .menu-mode-desc {
    font-size: 11.5px; color: var(--text-muted); line-height: 1.3; margin: 0;
    overflow: hidden; text-overflow: ellipsis;
}
/* нижняя планка-актуатор «ГОТОВ ▸», заполняется при наведении */
.unit-act {
    grid-area: act; position: relative;
    margin: 11px -16px 0 -18px; padding: 5px 16px 6px 18px;
    border-top: 1px solid rgba(51,87,114,0.4);
    font-family: var(--font-mono); font-size: 9px; letter-spacing: 0.16em;
}
.unit-act-fill {
    position: absolute; left: 0; top: 0; bottom: 0; width: 100%;
    background: linear-gradient(90deg, color-mix(in srgb, var(--acc) 22%, transparent), transparent);
    transform: scaleX(0); transform-origin: left;
    transition: transform var(--t-med) cubic-bezier(.2,.8,.2,1);
}
.unit-act-txt { position: relative; color: var(--text-dim); transition: color var(--t-fast); }
/* диагональный световой блик при наведении */
.menu-mode-sweep {
    position: absolute; top: 0; left: -60%; width: 45%; height: 100%;
    background: linear-gradient(100deg, transparent, rgba(255,255,255,0.10), transparent);
    transform: skewX(-18deg); pointer-events: none; opacity: 0;
}

#main-menu .menu-mode:hover {
    transform: translateY(-2px);
    border-color: var(--acc);
    box-shadow:
        inset 0 1px 0 rgba(255,255,255,0.08),
        0 8px 22px rgba(0,0,0,0.45),
        0 0 22px color-mix(in srgb, var(--acc) 34%, transparent);
}
#main-menu .menu-mode:hover::before { width: 5px; opacity: 1; }
#main-menu .menu-mode:hover .menu-mode-icon {
    color: var(--acc-hi);
    box-shadow: inset 0 1px 0 rgba(255,255,255,0.12), 0 0 16px color-mix(in srgb, var(--acc) 55%, transparent);
}
#main-menu .menu-mode:hover .menu-mode-name { color: var(--acc-hi); }
#main-menu .menu-mode:hover .unit-act-fill { transform: scaleX(1); }
#main-menu .menu-mode:hover .unit-act-txt { color: var(--acc-hi); }
#main-menu .menu-mode:hover .menu-mode-sweep { animation: modeSweep 720ms ease; }
#main-menu .menu-mode:active { transform: translateY(0); }
#main-menu .menu-mode:focus-visible {
    outline: 2px solid var(--acc); outline-offset: 2px; border-color: var(--acc);
}
@keyframes modeSweep {
    from { left: -60%; opacity: 0.9; }
    to   { left: 130%; opacity: 0; }
}

/* ── Манифест возможностей ── */
.hud-manifest {
    display: flex; flex-wrap: wrap; justify-content: center; gap: 7px;
    margin: 16px 0 0;
    animation: bootIn 480ms ease both 520ms;
}
.mf-tag {
    padding: 5px 11px; border-radius: 999px;
    font-size: 10.5px; color: var(--text-muted);
    background: rgba(16,28,42,0.72);
    border: 1px solid rgba(51,87,114,0.5);
    transition: color var(--t-fast), border-color var(--t-fast);
}
.mf-tag:hover { color: var(--brand-hi); border-color: var(--brand-dim); }

/* ── Подвал ── */
#main-menu .menu-foot {
    margin: 14px 0 0; padding-top: 12px;
    border-top: 1px solid rgba(51,87,114,0.4);
    color: var(--text-dim); font-size: 10.5px; font-family: var(--font-mono);
    letter-spacing: 0.05em; text-align: center;
    animation: bootIn 480ms ease both 580ms;
}

@keyframes bootIn {
    from { opacity: 0; transform: translateY(8px); }
    to   { opacity: 1; transform: none; }
}
@keyframes bootPlate {
    from { opacity: 0; transform: translateY(10px); filter: blur(3px); }
    to   { opacity: 1; transform: none; filter: none; }
}

/* ── Адаптив ── */
@media (max-width: 620px) {
    #main-menu .hud-console { padding: 16px 16px 18px; width: 95vw; }
    #main-menu .menu-modes { grid-template-columns: 1fr; }
    .hud-plate { gap: 12px; padding: 12px 14px; }
    #main-menu .menu-logo, .menu-logo-glyph { width: 52px; height: 52px; font-size: 30px; }
    .hud-status { display: none; }
    .ro-v { font-size: 18px; }
    .menu-reg { display: none; }
}
@media (max-height: 640px) {
    #main-menu .hud-console { padding: 12px 22px 14px; }
    .hud-plate { margin-bottom: 10px; padding: 10px 16px; }
    .hud-readout { margin-bottom: 10px; }
    .ro-cell { padding: 7px 4px; }
    #main-menu .menu-mode { min-height: 80px; padding-top: 12px; }
    .hud-manifest { margin-top: 10px; }
}

/* ── Уважение к prefers-reduced-motion ── */
@media (prefers-reduced-motion: reduce) {
    #main-menu .hud-console,
    .hud-plate, .hud-readout, .hud-manifest,
    #main-menu .menu-mode, #main-menu .menu-foot {
        animation: none !important;
        opacity: 1 !important; transform: none !important; filter: none !important;
    }
    .menu-coreglow, .menu-crt,
    .exit-led, .hud-status-led, .unit-led, #main-menu .menu-logo::before {
        animation: none !important;
    }
    #main-menu .menu-mode:hover .menu-mode-sweep { animation: none !important; }
    #main-menu .menu-mode { transition: border-color var(--t-fast), box-shadow var(--t-fast); }
}

/* ============================================================
   Выбор уровня
   ============================================================ */
.menu-card-levels {
    min-width: 520px;
    max-width: 680px;
    text-align: left;
}
.menu-card-levels .menu-title { text-align: center; margin-bottom: 22px; }
.level-list {
    display: grid; grid-template-columns: 1fr; gap: 8px;
    margin-bottom: 22px;
    max-height: 60vh; overflow-y: auto;
}
.level-item {
    background: var(--surface-1);
    border: 1px solid var(--border);
    border-radius: var(--r-md);
    padding: 14px 16px;
    cursor: pointer;
    transition: all var(--t-fast);
    display: flex; align-items: center; gap: 14px;
}
.level-item:hover {
    background: var(--surface-2);
    border-color: var(--border-hi);
}
.level-item.completed {
    border-color: var(--success);
}
.level-item.locked {
    opacity: 0.4; cursor: not-allowed;
}
.level-num {
    width: 36px; height: 36px;
    border-radius: 50%;
    background: var(--surface-2);
    border: 1px solid var(--border-hi);
    display: flex; align-items: center; justify-content: center;
    font-family: var(--font-display);
    font-weight: 700; font-size: 14px;
    color: var(--brand);
    flex-shrink: 0;
}
.level-item.completed .level-num {
    background: rgba(95,214,104,0.18);
    border-color: var(--success);
    color: var(--success);
}
.level-info { flex: 1; }
.level-name {
    font-family: var(--font-display);
    font-size: 13px; font-weight: 600;
    letter-spacing: 0.04em;
    color: var(--text);
    margin-bottom: 3px;
    text-transform: uppercase;
}
.level-tag {
    font-size: 11px;
    color: var(--text-muted);
}
.level-check {
    color: var(--success);
    font-size: 18px;
}

#lvl-back { width: 100%; justify-content: center; }

/* ============================================================
   Campaign HUD
   ============================================================ */
#campaign-hud {
    position: absolute;
    top: 56px; left: 0; right: 0; bottom: 0;
    z-index: 50;
    pointer-events: none;
}
#campaign-hud.hidden { display: none; }

.hud-header {
    position: absolute;
    top: var(--sp-3);
    left: 50%; transform: translateX(-50%);
    background: rgba(10, 18, 28, 0.92);
    backdrop-filter: blur(8px);
    border: 1px solid var(--border-hi);
    border-radius: 100px;
    padding: 6px 12px 6px 18px;
    display: flex; align-items: center; gap: 14px;
    pointer-events: auto;
    box-shadow: var(--shadow-2);
}
.hud-level {
    font-family: var(--font-display);
    font-size: 12px; font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--brand-hi);
}

/* ============================================================
   Оконная система HUD: drag / resize / collapse
   ============================================================ */
.hud-window {
    position: absolute;
    background: linear-gradient(180deg, rgba(24, 42, 61, 0.95), rgba(12, 22, 36, 0.95));
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-hi);
    border-radius: var(--r-md);
    pointer-events: auto;
    box-shadow:
        0 8px 28px rgba(0,0,0,0.55),
        inset 0 1px 0 rgba(116,180,200,0.08);
    min-width: 220px;
    min-height: 80px;
    display: flex; flex-direction: column;
    overflow: hidden;
    transition: box-shadow 140ms;
}
.hud-window.dragging { box-shadow: 0 14px 38px rgba(0,0,0,0.7), 0 0 0 1px var(--brand); transition: none; }
.hud-window.hidden { display: none !important; }

.hud-window.collapsed { min-height: 0; height: auto !important; }
.hud-window.collapsed .window-body { display: none; }
.hud-window.collapsed .window-resize { display: none; }
.hud-window.collapsed .window-titlebar { border-bottom: none; }

.window-titlebar {
    height: 28px;
    background: linear-gradient(180deg, var(--surface-3), var(--surface-2));
    border-bottom: 1px solid var(--border);
    display: flex; align-items: center;
    gap: 8px;
    padding: 0 4px 0 10px;
    cursor: move;
    user-select: none;
    flex-shrink: 0;
    position: relative;
}
.window-titlebar::after {
    content: ''; position: absolute; bottom: -1px; left: 8px;
    width: 28px; height: 1px;
    background: var(--brand);
    box-shadow: 0 0 4px var(--brand);
}
.hud-window.collapsed .window-titlebar::after { display: none; }
.window-icon {
    color: var(--brand);
    font-size: 12px;
}
.window-title {
    flex: 0 1 auto;
    font-family: var(--font-display);
    font-size: 10.5px; font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.window-spacer { flex: 1; }
.window-btn {
    width: 22px; height: 20px;
    background: transparent;
    border: 1px solid transparent;
    color: var(--text-muted);
    font-family: var(--font-mono);
    font-size: 12px;
    cursor: pointer;
    border-radius: 2px;
    display: flex; align-items: center; justify-content: center;
    transition: all var(--t-fast);
}
.window-btn:hover {
    background: var(--surface-3);
    border-color: var(--border-hi);
    color: var(--text);
}
.window-btn[data-action="close"]:hover {
    background: rgba(255,85,102,0.18);
    border-color: var(--danger);
    color: var(--danger);
}

.window-body {
    padding: var(--sp-3) var(--sp-4);
    overflow-y: auto;
    flex: 1;
    min-height: 0;
}
.window-resize {
    position: absolute;
    right: 0; bottom: 0;
    width: 14px; height: 14px;
    cursor: nwse-resize;
    background:
        linear-gradient(135deg, transparent 0 40%, var(--border-hi) 40% 60%, transparent 60% 70%, var(--border-hi) 70% 90%, transparent 90%);
    opacity: 0.7;
}
.window-resize:hover { opacity: 1; }

/* ============================================================
   Objectives content
   ============================================================ */
.objective {
    display: flex; align-items: flex-start; gap: 10px;
    padding: 6px 0;
    font-size: 12.5px;
    color: var(--text-muted);
    line-height: 1.45;
}
.objective-check {
    width: 16px; height: 16px;
    border: 1.5px solid var(--border-hi);
    border-radius: 3px;
    flex-shrink: 0;
    margin-top: 2px;
    transition: all 180ms;
    display: flex; align-items: center; justify-content: center;
    color: transparent;
    font-weight: 700;
    font-size: 11px;
}
.objective.done .objective-check {
    background: var(--success);
    border-color: var(--success);
    color: #03161a;
    box-shadow: 0 0 8px rgba(95,214,104,0.5);
}
.objective.done { color: var(--text); text-decoration: line-through; opacity: 0.8; }
.objective.current {
    color: var(--brand-hi);
    font-weight: 500;
}
.objective.current .objective-check {
    border-color: var(--brand);
    box-shadow: 0 0 8px rgba(70,214,194,0.5);
    animation: currentPulse 1.5s ease-in-out infinite;
}
@keyframes currentPulse {
    0%, 100% { box-shadow: 0 0 6px rgba(70,214,194,0.4); }
    50%      { box-shadow: 0 0 12px rgba(70,214,194,0.9); }
}

/* Подсветка элементов интерфейса во время туториала */
.tutorial-highlight {
    position: relative;
    z-index: 60 !important;
    animation: tutHighlight 1.4s ease-in-out infinite;
    box-shadow:
        0 0 0 2px var(--brand),
        0 0 22px rgba(70,214,194,0.8),
        inset 0 0 12px rgba(70,214,194,0.15) !important;
    border-radius: var(--r-md);
}
@keyframes tutHighlight {
    0%, 100% {
        box-shadow:
            0 0 0 2px var(--brand),
            0 0 18px rgba(70,214,194,0.55),
            inset 0 0 10px rgba(70,214,194,0.10);
    }
    50%      {
        box-shadow:
            0 0 0 3px var(--brand),
            0 0 32px rgba(70,214,194,1.0),
            inset 0 0 16px rgba(70,214,194,0.20);
    }
}

/* ============================================================
   Narrator content
   ============================================================ */
.narrator-avatar {
    width: 38px; height: 38px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--brand), var(--brand-dim));
    color: #03161a;
    font-family: var(--font-display);
    font-weight: 700; font-size: 16px;
    display: flex; align-items: center; justify-content: center;
    flex-shrink: 0;
    box-shadow:
        inset 0 1px 0 rgba(255,255,255,0.3),
        0 2px 8px rgba(0,0,0,0.4);
}
.narrator-avatar.small {
    width: 18px; height: 18px;
    font-size: 10px;
    box-shadow: inset 0 1px 0 rgba(255,255,255,0.2);
}
.narrator-text {
    color: var(--text);
    font-size: 13px; line-height: 1.55;
    margin-bottom: 12px;
}
.narrator-hint {
    color: var(--text-muted);
    font-size: 12px;
    margin-bottom: 6px;
    padding-left: 12px;
    position: relative;
}
.narrator-hint::before {
    content: '▸'; position: absolute; left: 0; color: var(--accent);
}

/* ============================================================
   Level complete
   ============================================================ */
.complete-badge {
    width: 84px; height: 84px;
    margin: 0 auto 18px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--success), #4ab058);
    display: flex; align-items: center; justify-content: center;
    font-size: 44px; color: #03161a; font-weight: 700;
    box-shadow:
        inset 0 2px 0 rgba(255,255,255,0.3),
        0 8px 28px rgba(95,214,104,0.5);
}
.complete-title {
    font-family: var(--font-display);
    font-size: 24px; font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--text);
    margin-bottom: 8px;
}
.complete-name {
    color: var(--text-muted);
    font-size: 14px;
    margin-bottom: 22px;
}
.complete-actions {
    display: flex; justify-content: center; gap: 10px;
    flex-wrap: wrap;
}

/* ============================================================
   E32 — Адаптивная вёрстка
   ============================================================ */
@media (max-width: 1280px) {
    #left-panel { width: 228px; min-width: 228px; }
    #right-panel { width: 280px; min-width: 280px; }
    .controls { gap: 3px; }
    .btn { padding: 6px 8px; font-size: 11px; }
    #scene-search { width: 90px !important; }
}
@media (max-width: 1000px) {
    #topbar { flex-wrap: wrap; height: auto; padding: 6px 10px; }
    .controls { flex-wrap: wrap; }
    #left-panel { width: 180px; min-width: 180px; }
    #right-panel { width: 240px; min-width: 240px; }
    #block-palette { grid-template-columns: 1fr; }
    .brand { font-size: 13px; }
    #legend { display: none; }
}
@media (max-width: 760px) {
    #left-panel { width: 140px; min-width: 140px; }
    #right-panel { display: none; }
    .menu-modes { grid-template-columns: 1fr; }
    .menu-card { min-width: 90vw; padding: 24px; }
    #minimap { display: none; }
}

/* ============================================================
   Scrollbar
   ============================================================ */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--surface-0); }
::-webkit-scrollbar-thumb {
    background: var(--surface-2);
    border-radius: 100px;
    border: 2px solid var(--surface-0);
}
::-webkit-scrollbar-thumb:hover { background: var(--surface-3); }

/* ============================================================
   Бут-экран загрузки
   ============================================================ */
#boot-screen {
    position: fixed; inset: 0;
    z-index: 999999;
    background: radial-gradient(circle at center, #1a2a3d 0%, #0c1a2a 65%, #060c14 100%);
    display: flex; align-items: center; justify-content: center;
    font-family: 'Rajdhani', 'Rubik', sans-serif;
    transition: opacity 600ms ease-out;
}
#boot-screen.hidden {
    opacity: 0; pointer-events: none;
}
.boot-content {
    text-align: center;
    color: #46d6c2;
    padding: 24px;
    max-width: 90vw;
}
.boot-logo {
    font-size: 120px;
    line-height: 1;
    margin-bottom: 12px;
    filter: drop-shadow(0 0 20px rgba(70,214,194,0.5));
    animation: bootPulse 2.2s ease-in-out infinite;
}
@keyframes bootPulse {
    0%, 100% { transform: scale(1); opacity: 1; }
    50%      { transform: scale(1.06); opacity: 0.82; }
}
.boot-title {
    font-size: 44px;
    font-weight: 700;
    letter-spacing: 10px;
    color: #e8eef5;
    text-transform: uppercase;
    margin-bottom: 6px;
    text-shadow: 0 0 16px rgba(70,214,194,0.4);
}
.boot-subtitle {
    font-size: 16px;
    color: #7e9bb0;
    letter-spacing: 4px;
    margin-bottom: 36px;
    text-transform: uppercase;
}
.boot-spinner {
    width: 280px; height: 6px;
    background: rgba(70,214,194,0.12);
    border-radius: 3px;
    margin: 0 auto 10px;
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(70,214,194,0.2);
}
.boot-fill {
    position: absolute;
    left: 0; top: 0; height: 100%;
    width: 0%;
    background: linear-gradient(90deg, #2e9a8a, #46d6c2, #6ae6d4);
    border-radius: 3px;
    transition: width 220ms ease-out;
    box-shadow: 0 0 14px rgba(70,214,194,0.7);
}
.boot-percent {
    font-size: 17px;
    color: #46d6c2;
    font-weight: 700;
    letter-spacing: 3px;
    margin-bottom: 14px;
    font-variant-numeric: tabular-nums;
    text-shadow: 0 0 10px rgba(70,214,194,0.5);
}
.boot-status {
    font-size: 12px;
    color: #7e9bb0;
    letter-spacing: 3px;
    text-transform: uppercase;
    margin-bottom: 28px;
    min-height: 14px;
    font-family: 'JetBrains Mono', 'Rajdhani', monospace;
}
.boot-foot {
    font-size: 11px;
    color: #4a5664;
    letter-spacing: 2px;
}
@media (max-width: 600px) {
    .boot-logo { font-size: 80px; }
    .boot-title { font-size: 30px; letter-spacing: 6px; }
    .boot-subtitle { font-size: 13px; letter-spacing: 2px; }
    .boot-spinner { width: 180px; }
}

/* Запрещаем выделение текста в основной UI — для продакшена. */
body { -webkit-user-select: none; -moz-user-select: none; user-select: none; }
#properties, #event-log, .modal-content, .narrator-text, #block-search, #scene-search,
input, textarea { -webkit-user-select: text; -moz-user-select: text; user-select: text; }
/* Канвас не должен ловить touch-скролл/зум — игровая поверхность. */
#scene { touch-action: none; }

/* ============================================================
   🖥 Тренажёр SCADA — инфо-бар, табло тревог, итоги
   ============================================================ */
#trainer-hud.hidden { display: none; }
.trainer-bar {
    position: absolute; top: 8px; left: 50%; transform: translateX(-50%);
    z-index: 90; display: flex; align-items: center; gap: 14px;
    padding: 7px 16px; border-radius: 100px;
    background: linear-gradient(180deg, rgba(24,42,61,0.95), rgba(16,28,42,0.95));
    backdrop-filter: blur(10px); border: 1px solid var(--border-hi);
    box-shadow: var(--shadow-2); font-size: 12px; color: var(--text-muted);
    white-space: nowrap;
}
.trainer-name { font-family: var(--font-display); font-weight: 700; color: var(--brand-hi); letter-spacing: 0.04em; }
.trainer-stat b { color: var(--text); font-family: var(--font-mono); }
.trainer-bar .btn { height: 26px; padding: 4px 10px; }

#alarm-board {
    left: auto; right: 16px; top: 96px; width: 320px; height: 280px;
    z-index: 80;
}
.alarm-counts { display: flex; gap: 5px; margin-left: 8px; }
.alarm-counts span { font-size: 10px; padding: 1px 6px; border-radius: 8px; font-weight: 700; font-family: var(--font-mono); }
.ac-crit { background: rgba(255,85,102,0.25); color: var(--danger); }
.ac-warn { background: rgba(244,165,42,0.22); color: var(--accent); }
#alarm-ack-all { width: auto; padding: 0 8px; font-size: 10px; font-weight: 700; letter-spacing: 0.08em; }
#alarm-board-body { padding: 6px; overflow-y: auto; }
.alarm-row {
    display: flex; align-items: center; gap: 8px; padding: 6px 8px; margin-bottom: 4px;
    border-radius: var(--r-sm); font-size: 11.5px; border-left: 3px solid var(--border-hi);
    background: var(--surface-1); cursor: pointer; transition: background var(--t-fast);
}
.alarm-row:hover { background: var(--surface-2); }
.alarm-row.crit { border-left-color: var(--danger); background: rgba(255,85,102,0.10); }
.alarm-row.warn { border-left-color: var(--accent); background: rgba(244,165,42,0.08); }
.alarm-row.info { border-left-color: var(--info); }
.alarm-row.crit.unacked { animation: alarmFlash 1s steps(2, jump-none) infinite; }
@keyframes alarmFlash { 0% { background: rgba(255,85,102,0.10); } 100% { background: rgba(255,85,102,0.30); } }
.alarm-row .al-msg { flex: 1; color: var(--text); line-height: 1.2; }
.alarm-row .al-ack {
    font-size: 9px; font-weight: 700; letter-spacing: 0.06em; padding: 3px 7px;
    border-radius: 8px; border: 1px solid var(--border-hi); color: var(--text-muted);
    background: var(--surface-0); cursor: pointer; flex-shrink: 0;
}
.alarm-row.acked .al-ack { color: var(--success); border-color: var(--brand-dim); background: transparent; }
.alarm-row .al-ack:hover { color: var(--brand-hi); border-color: var(--brand); }
.alarm-empty { color: var(--text-dim); text-align: center; padding: 20px 0; font-size: 11px; }

.scenario-diff { color: var(--accent); font-size: 13px; letter-spacing: 1px; }
#scenario-complete.hidden, #scenario-select.hidden { display: none; }
#scenario-complete { position: absolute; inset: 0; z-index: 500; display: flex; align-items: center; justify-content: center; }
#scenario-complete #scn-grade { font-size: 56px; font-weight: 800; }
#scn-grade.g-A { color: var(--success); } #scn-grade.g-B { color: var(--brand-hi); }
#scn-grade.g-C { color: var(--accent); } #scn-grade.g-D { color: var(--warning); } #scn-grade.g-F { color: var(--danger); }
.scn-breakdown { color: var(--text-muted); font-size: 12.5px; margin: 12px 0; line-height: 1.6; }

/* ============================================================
   🧩 Редактор FBD (визуальное программирование)
   ============================================================ */
#fbd-editor { position: absolute; inset: 0; z-index: 600; display: flex; flex-direction: column; background: rgba(6,10,17,0.98); }
#fbd-editor.hidden { display: none; }
.fbd-head { display: flex; align-items: center; gap: 14px; padding: 9px 16px; border-bottom: 1px solid var(--border-hi);
    background: linear-gradient(180deg, #16263a, var(--surface-0)); flex-shrink: 0; }
.fbd-title { font-family: var(--font-display); font-weight: 700; font-size: 15px; color: var(--brand-hi); white-space: nowrap; }
.fbd-hint { font-size: 11px; color: var(--text-dim); overflow: hidden; text-overflow: ellipsis; }
.fbd-spacer { flex: 1; }
.fbd-main { flex: 1; display: flex; min-height: 0; }
.fbd-palette { width: 172px; flex-shrink: 0; overflow-y: auto; padding: 8px; border-right: 1px solid var(--border); background: var(--surface-0); }
.fbd-cat { font-family: var(--font-display); text-transform: uppercase; font-size: 10px; letter-spacing: 0.12em; color: var(--brand); margin: 10px 4px 5px; }
.fbd-cat:first-child { margin-top: 2px; }
.fbd-pal-item { display: block; width: 100%; text-align: left; padding: 6px 10px; margin-bottom: 3px; border: 1px solid var(--border);
    border-radius: var(--r-sm); background: var(--surface-1); color: var(--text); font-size: 12px; cursor: pointer; transition: all var(--t-fast); }
.fbd-pal-item:hover { border-color: var(--brand-dim); color: var(--brand-hi); background: var(--surface-2); }
.fbd-pal-item .fbd-pal-dot { display: inline-block; width: 8px; height: 8px; border-radius: 2px; margin-right: 7px; vertical-align: middle; }
#fbd-canvas { flex: 1; display: block; background: #070d15; cursor: default; min-width: 0; }
.fbd-props { min-height: 44px; padding: 7px 14px; border-top: 1px solid var(--border); background: var(--surface-0);
    display: flex; align-items: center; gap: 14px; flex-wrap: wrap; font-size: 12px; color: var(--text-muted); flex-shrink: 0; }
.fbd-props label { display: flex; align-items: center; gap: 6px; }
.fbd-props .fbd-empty { color: var(--text-dim); }
.fbd-props input, .fbd-props select { width: 92px; }
.fbd-props .fbd-selname { font-family: var(--font-display); font-weight: 700; color: var(--brand-hi); }
.fbd-props .fbd-del { color: var(--danger); border-color: rgba(255,85,102,0.5); }

/* ============================================================
   💰 Экономика / Предприятие (Tycoon)
   ============================================================ */
#econ-hud { position: absolute; top: 9px; left: 50%; transform: translateX(-50%); z-index: 89;
    display: flex; align-items: center; gap: 16px; padding: 7px 18px; border-radius: 100px;
    background: linear-gradient(180deg, rgba(24,42,61,0.95), rgba(16,28,42,0.95)); backdrop-filter: blur(10px);
    border: 1px solid var(--border-hi); box-shadow: var(--shadow-2); font-size: 12px; color: var(--text-muted); white-space: nowrap; }
#econ-hud.hidden { display: none; }
.econ-money { font-family: var(--font-mono); font-weight: 700; font-size: 15px; color: var(--success); }
.econ-money.neg { color: var(--danger); }
.econ-rate b { font-family: var(--font-mono); }
.econ-in { color: var(--success); } .econ-out { color: var(--danger); }
#contract-hud { position: absolute; top: 52px; left: 50%; transform: translateX(-50%); z-index: 88; width: 480px; max-width: 80vw;
    padding: 10px 16px; border-radius: var(--r-md);
    background: linear-gradient(180deg, rgba(24,42,61,0.95), rgba(16,28,42,0.95)); backdrop-filter: blur(10px);
    border: 1px solid var(--border-hi); box-shadow: var(--shadow-2); }
#contract-hud.hidden { display: none; }
.contract-top { display: flex; align-items: center; gap: 10px; }
.contract-name { font-family: var(--font-display); font-weight: 700; color: var(--brand-hi); font-size: 14px; }
.contract-reward { margin-left: auto; color: var(--success); font-family: var(--font-mono); font-weight: 700; }
.contract-pct { color: var(--brand); font-family: var(--font-mono); font-weight: 700; font-size: 12px; }
.contract-collapse { flex-shrink: 0; width: 22px; height: 22px; border: 1px solid var(--border-hi); border-radius: var(--r-sm);
    background: var(--surface-1); color: var(--text-muted); cursor: pointer; font-size: 11px; line-height: 1; padding: 0; transition: all var(--t-fast); }
.contract-collapse:hover { color: var(--brand-hi); border-color: var(--brand-dim); }
#contract-hud.collapsed { width: auto; max-width: 80vw; }
#contract-hud.collapsed .contract-reward { margin-left: 6px; }
.contract-brief { font-size: 11.5px; color: var(--text-muted); margin: 5px 0; line-height: 1.4; }
.contract-bar { height: 7px; background: var(--surface-2); border-radius: 4px; overflow: hidden; margin: 6px 0 4px; }
.contract-bar .cfill { height: 100%; background: linear-gradient(90deg, var(--brand-dim), var(--brand)); transition: width 0.3s; }
.contract-target { font-size: 11px; color: var(--text-dim); display: flex; justify-content: space-between; }
.contract-done { color: var(--success); font-weight: 700; }
.contract-hud-actions { margin-top: 8px; display: flex; gap: 8px; }
.contract-hud-actions .btn { height: 28px; }
/* ценник на карточке палитры в режиме предприятия */
.palette-item .pal-price { position: absolute; top: 2px; right: 3px; font-size: 8.5px; font-family: var(--font-mono);
    color: var(--accent); background: rgba(10,18,28,0.85); padding: 1px 4px; border-radius: 3px; }

/* Кнопка-шейдеры: подсветка активного режима и блокировка без WebGL */
#btn-shader.active { color: var(--accent); border-color: var(--accent); box-shadow: 0 0 10px rgba(244,165,42,0.25); }
#btn-world.active { color: var(--brand-hi); border-color: var(--brand-dim); }

/* 🌍 Виджет «живого мира»: время суток, погода, баланс сети */
#world-hud {
    position: absolute; top: 10px; left: 50%; transform: translateX(-50%);
    z-index: 50; display: flex; align-items: center; gap: 10px;
    padding: 6px 14px; border-radius: 100px;
    background: linear-gradient(180deg, rgba(24,42,61,0.9), rgba(16,28,42,0.9));
    backdrop-filter: blur(8px); border: 1px solid var(--border-hi);
    box-shadow: var(--shadow-2); font-size: 11.5px; color: var(--text-muted);
    white-space: nowrap; font-family: var(--font-mono);
}
#world-hud.hidden { display: none; }
#world-hud b { color: var(--text); }
.wh-sep { width: 1px; height: 15px; background: var(--border-hi); }
.wh-freq.ok { color: var(--success); } .wh-freq.warn { color: var(--accent); } .wh-freq.bad { color: var(--danger); }
.wh-blackout { color: var(--danger); font-weight: 700; animation: alarmFlash 1s steps(2) infinite; }
.btn.disabled { opacity: 0.4; cursor: not-allowed; pointer-events: none; }

/* Доступность: уважаем prefers-reduced-motion — гасим бесконечные анимации,
   чтобы не вызывать дискомфорт у чувствительных пользователей. */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.001ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.001ms !important;
        scroll-behavior: auto !important;
    }
}