/* ==========================================================================
   TRADE LAB — лабораторная тема (cyan + purple on dark)
   Спроектировано в гармонии с app.html / journal.html
   ========================================================================== */

:root {
    --lab-bg: #0a0e14;
    --lab-bg-alt: #0c1119;
    --lab-panel: #131722;
    --lab-panel-alt: #1a2030;
    --lab-border: #2a3550;
    --lab-border-soft: #1e2838;
    --lab-text: #e6edf3;
    --lab-text-muted: #8b97a8;
    --lab-text-dim: #5c6778;

    /* Лабораторные акценты */
    --lab-cyan: #22d3ee;
    --lab-cyan-soft: rgba(34, 211, 238, 0.12);
    --lab-cyan-border: rgba(34, 211, 238, 0.3);
    --lab-purple: #a78bfa;
    --lab-purple-soft: rgba(167, 139, 250, 0.12);
    --lab-purple-border: rgba(167, 139, 250, 0.3);

    /* Статусные цвета (унаследованы из app.html) */
    --lab-green: #00e676;
    --lab-red: #ff5252;
    --lab-amber: #ffb74d;
    --lab-blue: #2962ff;

    --lab-radius: 10px;
    --lab-radius-sm: 6px;
    --lab-shadow: 0 4px 18px rgba(0, 0, 0, 0.4);
}

* {
    box-sizing: border-box;
}

html, body {
    margin: 0;
    padding: 0;
    background: var(--lab-bg);
    color: var(--lab-text);
    font-family: 'Roboto Mono', 'SF Mono', Menlo, Consolas, monospace;
    font-size: 13px;
    line-height: 1.55;
    overflow-x: hidden;
    width: 100%;
    min-height: 100vh;
}

a {
    color: var(--lab-cyan);
    text-decoration: none;
    transition: color 0.2s;
}
a:hover {
    color: #fff;
}

/* =========================== TOP BAR =========================== */
.lab-topbar {
    background: linear-gradient(135deg, #0c1119 0%, #131722 100%);
    border-bottom: 1px solid var(--lab-border);
    padding: 12px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(8px);
}

.lab-topbar .logo {
    font-size: 16px;
    font-weight: 700;
    letter-spacing: 0.08em;
    color: #fff;
    display: flex;
    align-items: center;
    gap: 10px;
}
.lab-topbar .logo .lab-badge {
    background: linear-gradient(135deg, var(--lab-cyan), var(--lab-purple));
    color: #0a0e14;
    padding: 3px 10px;
    font-size: 11px;
    font-weight: 700;
    border-radius: 4px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.lab-topbar .nav-links {
    display: flex;
    gap: 4px;
    flex-wrap: wrap;
}
.lab-topbar .nav-link {
    padding: 6px 14px;
    background: var(--lab-panel);
    border: 1px solid var(--lab-border-soft);
    color: var(--lab-text-muted);
    border-radius: var(--lab-radius-sm);
    font-size: 12px;
    cursor: pointer;
    transition: all 0.2s;
    white-space: nowrap;
}
.lab-topbar .nav-link:hover {
    background: var(--lab-panel-alt);
    color: var(--lab-text);
    border-color: var(--lab-cyan-border);
}
.lab-topbar .nav-link.active {
    background: var(--lab-cyan-soft);
    border-color: var(--lab-cyan-border);
    color: var(--lab-cyan);
}

/* =========================== CONTAINER =========================== */
.lab-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 24px 20px 60px;
}

/* =========================== HERO =========================== */
.lab-hero {
    background:
        radial-gradient(circle at 10% 0%, rgba(34, 211, 238, 0.08) 0%, transparent 40%),
        radial-gradient(circle at 90% 100%, rgba(167, 139, 250, 0.08) 0%, transparent 40%),
        var(--lab-panel);
    border: 1px solid var(--lab-border);
    border-radius: var(--lab-radius);
    padding: 28px 32px;
    margin-bottom: 24px;
    position: relative;
    overflow: hidden;
}
.lab-hero::before {
    content: "";
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--lab-cyan), var(--lab-purple), transparent);
}
.lab-hero h1 {
    margin: 0 0 8px 0;
    font-size: 26px;
    font-weight: 700;
    letter-spacing: 0.02em;
    display: flex;
    align-items: center;
    gap: 12px;
}
.lab-hero h1 .tag {
    font-size: 11px;
    font-weight: 600;
    padding: 4px 10px;
    border-radius: 4px;
    background: var(--lab-purple-soft);
    color: var(--lab-purple);
    border: 1px solid var(--lab-purple-border);
    text-transform: uppercase;
    letter-spacing: 0.12em;
}
.lab-hero .subtitle {
    color: var(--lab-text-muted);
    font-size: 14px;
    margin: 0;
    max-width: 800px;
}

/* =========================== STAT CARDS =========================== */
.lab-stat-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 14px;
    margin-bottom: 24px;
}

.lab-stat-card {
    background: var(--lab-panel);
    border: 1px solid var(--lab-border-soft);
    border-radius: var(--lab-radius);
    padding: 16px 18px;
    position: relative;
    transition: border-color 0.2s, transform 0.2s;
}
.lab-stat-card:hover {
    border-color: var(--lab-cyan-border);
    transform: translateY(-1px);
}
.lab-stat-card .label {
    color: var(--lab-text-muted);
    font-size: 10.5px;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 8px;
}
.lab-stat-card .value {
    color: var(--lab-text);
    font-size: 24px;
    font-weight: 700;
    line-height: 1.1;
}
.lab-stat-card .sub {
    color: var(--lab-text-dim);
    font-size: 11px;
    margin-top: 4px;
}
.lab-stat-card.accent-cyan .value { color: var(--lab-cyan); }
.lab-stat-card.accent-purple .value { color: var(--lab-purple); }
.lab-stat-card.accent-green .value { color: var(--lab-green); }
.lab-stat-card.accent-red .value { color: var(--lab-red); }

/* =========================== READINESS BAR =========================== */
.lab-readiness {
    background: var(--lab-panel);
    border: 1px solid var(--lab-border-soft);
    border-radius: var(--lab-radius);
    padding: 18px 22px;
    margin-bottom: 24px;
}
.lab-readiness .title {
    font-size: 12px;
    color: var(--lab-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 10px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.lab-readiness .title .pct {
    font-size: 14px;
    color: var(--lab-cyan);
    font-weight: 700;
    letter-spacing: 0;
    text-transform: none;
}
.lab-readiness .bar {
    height: 10px;
    background: var(--lab-bg-alt);
    border-radius: 5px;
    overflow: hidden;
    border: 1px solid var(--lab-border-soft);
}
.lab-readiness .bar-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--lab-cyan), var(--lab-purple));
    transition: width 0.6s ease;
    border-radius: 4px;
    position: relative;
    overflow: hidden;
}
.lab-readiness .bar-fill::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.25), transparent);
    animation: lab-shimmer 2.2s linear infinite;
}
@keyframes lab-shimmer {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}
.lab-readiness .hint {
    margin-top: 10px;
    font-size: 12px;
    color: var(--lab-text-muted);
}

/* =========================== TOOL GRID =========================== */
.lab-section-title {
    font-size: 12px;
    color: var(--lab-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.12em;
    margin: 30px 0 14px;
    padding-left: 4px;
    display: flex;
    align-items: center;
    gap: 10px;
}
.lab-section-title::before {
    content: "";
    width: 4px;
    height: 14px;
    background: linear-gradient(180deg, var(--lab-cyan), var(--lab-purple));
    border-radius: 2px;
}

.lab-tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 16px;
}

.lab-tool-card {
    background: var(--lab-panel);
    border: 1px solid var(--lab-border-soft);
    border-radius: var(--lab-radius);
    padding: 20px;
    text-decoration: none;
    color: var(--lab-text);
    display: flex;
    flex-direction: column;
    gap: 10px;
    transition: all 0.25s;
    position: relative;
    overflow: hidden;
    cursor: pointer;
}
.lab-tool-card::before {
    content: "";
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--lab-cyan), var(--lab-purple));
    opacity: 0;
    transition: opacity 0.25s;
}
.lab-tool-card:hover {
    border-color: var(--lab-cyan-border);
    transform: translateY(-2px);
    box-shadow: var(--lab-shadow);
}
.lab-tool-card:hover::before {
    opacity: 1;
}
.lab-tool-card .icon {
    font-size: 28px;
    line-height: 1;
}
.lab-tool-card .name {
    font-size: 15px;
    font-weight: 700;
    color: #fff;
}
.lab-tool-card .desc {
    font-size: 12.5px;
    color: var(--lab-text-muted);
    line-height: 1.5;
    flex-grow: 1;
}
.lab-tool-card .badge {
    display: inline-block;
    padding: 3px 8px;
    font-size: 10px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    border-radius: 4px;
    align-self: flex-start;
}
.lab-tool-card .badge.ready { background: rgba(0, 230, 118, 0.12); color: var(--lab-green); }
.lab-tool-card .badge.beta { background: rgba(255, 183, 77, 0.12); color: var(--lab-amber); }
.lab-tool-card .badge.soon { background: rgba(139, 151, 168, 0.12); color: var(--lab-text-muted); }

/* =========================== CONTROLS =========================== */
.lab-panel {
    background: var(--lab-panel);
    border: 1px solid var(--lab-border-soft);
    border-radius: var(--lab-radius);
    padding: 20px;
    margin-bottom: 18px;
}
.lab-panel h3 {
    margin: 0 0 14px;
    font-size: 14px;
    font-weight: 700;
    color: #fff;
    display: flex;
    align-items: center;
    gap: 10px;
}
.lab-panel h3 .mini-tag {
    font-size: 10px;
    font-weight: 600;
    padding: 2px 8px;
    border-radius: 3px;
    background: var(--lab-cyan-soft);
    color: var(--lab-cyan);
    border: 1px solid var(--lab-cyan-border);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.lab-controls {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    align-items: center;
    margin-bottom: 16px;
}
.lab-controls label {
    display: flex;
    flex-direction: column;
    gap: 4px;
    font-size: 11px;
    color: var(--lab-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.lab-input, .lab-select {
    background: var(--lab-bg-alt);
    border: 1px solid var(--lab-border);
    color: var(--lab-text);
    padding: 7px 10px;
    border-radius: var(--lab-radius-sm);
    font-family: inherit;
    font-size: 12.5px;
    min-width: 120px;
    transition: border-color 0.2s, background 0.2s;
}
.lab-input:focus, .lab-select:focus {
    outline: none;
    border-color: var(--lab-cyan);
    background: #0e1420;
}

.lab-btn {
    background: var(--lab-cyan-soft);
    border: 1px solid var(--lab-cyan-border);
    color: var(--lab-cyan);
    padding: 8px 16px;
    border-radius: var(--lab-radius-sm);
    font-family: inherit;
    font-size: 12.5px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    text-transform: uppercase;
    letter-spacing: 0.06em;
}
.lab-btn:hover {
    background: var(--lab-cyan);
    color: #0a0e14;
}
.lab-btn.secondary {
    background: var(--lab-panel-alt);
    color: var(--lab-text);
    border-color: var(--lab-border);
}
.lab-btn.secondary:hover {
    background: var(--lab-panel);
    border-color: var(--lab-cyan-border);
    color: var(--lab-cyan);
}
.lab-btn.purple {
    background: var(--lab-purple-soft);
    border-color: var(--lab-purple-border);
    color: var(--lab-purple);
}
.lab-btn.purple:hover {
    background: var(--lab-purple);
    color: #0a0e14;
}
.lab-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

/* =========================== RESULT PANELS =========================== */
.lab-result {
    background: var(--lab-bg-alt);
    border: 1px solid var(--lab-border-soft);
    border-radius: var(--lab-radius);
    padding: 16px;
}
.lab-result.empty {
    text-align: center;
    color: var(--lab-text-dim);
    padding: 40px 20px;
    font-style: italic;
}

/* =========================== TABLE =========================== */
.lab-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 12px;
}
.lab-table thead th {
    background: var(--lab-panel-alt);
    color: var(--lab-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-size: 10.5px;
    font-weight: 600;
    padding: 10px 12px;
    text-align: left;
    border-bottom: 1px solid var(--lab-border);
    position: sticky;
    top: 0;
    z-index: 2;
}
.lab-table tbody td {
    padding: 9px 12px;
    border-bottom: 1px solid var(--lab-border-soft);
    color: var(--lab-text);
}
.lab-table tbody tr:hover {
    background: rgba(34, 211, 238, 0.04);
}
.lab-table .num { text-align: right; font-variant-numeric: tabular-nums; }
.lab-table .pos { color: var(--lab-green); }
.lab-table .neg { color: var(--lab-red); }
.lab-table .dim { color: var(--lab-text-muted); }

/* =========================== CHART CONTAINER =========================== */
.lab-chart-box {
    background: var(--lab-bg-alt);
    border: 1px solid var(--lab-border-soft);
    border-radius: var(--lab-radius);
    padding: 12px;
    position: relative;
}

/* =========================== HEATMAP =========================== */
.lab-heatmap {
    display: grid;
    gap: 3px;
}
.lab-heatmap-cell {
    padding: 8px 6px;
    text-align: center;
    font-size: 11px;
    border-radius: 4px;
    color: #fff;
    font-weight: 600;
    min-height: 26px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* =========================== NOTIF / INFO =========================== */
.lab-info {
    background: var(--lab-cyan-soft);
    border: 1px solid var(--lab-cyan-border);
    border-radius: var(--lab-radius);
    padding: 12px 16px;
    color: var(--lab-text);
    font-size: 12.5px;
    margin-bottom: 16px;
    display: flex;
    align-items: flex-start;
    gap: 10px;
}
.lab-info.warn {
    background: rgba(255, 183, 77, 0.08);
    border-color: rgba(255, 183, 77, 0.3);
}
.lab-info .ico {
    font-size: 16px;
    flex-shrink: 0;
}

/* =========================== LOADER =========================== */
.lab-loader {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid var(--lab-border);
    border-top-color: var(--lab-cyan);
    border-radius: 50%;
    animation: lab-spin 0.8s linear infinite;
    vertical-align: middle;
}
@keyframes lab-spin {
    to { transform: rotate(360deg); }
}

/* =========================== FOOTER =========================== */
.lab-footer {
    margin-top: 60px;
    padding: 24px 0;
    border-top: 1px solid var(--lab-border-soft);
    text-align: center;
    color: var(--lab-text-dim);
    font-size: 11px;
    letter-spacing: 0.05em;
}
.lab-footer a { color: var(--lab-text-muted); }
.lab-footer .heart {
    display: inline-block;
    animation: lab-beat 1.8s ease-in-out infinite;
}
@keyframes lab-beat {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.15); }
}

/* =========================== INSIGHT PILL =========================== */
.lab-insight {
    background: linear-gradient(135deg, var(--lab-cyan-soft), var(--lab-purple-soft));
    border: 1px solid var(--lab-cyan-border);
    border-radius: var(--lab-radius);
    padding: 16px 20px;
    margin-bottom: 18px;
    position: relative;
}
.lab-insight .kicker {
    font-size: 10.5px;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--lab-cyan);
    margin-bottom: 6px;
    font-weight: 700;
}
.lab-insight .text {
    color: var(--lab-text);
    font-size: 13px;
    line-height: 1.5;
}

/* =========================== MOBILE =========================== */
@media (max-width: 768px) {
    .lab-topbar { padding: 10px 14px; flex-wrap: wrap; gap: 10px; }
    .lab-topbar .logo { font-size: 14px; }
    .lab-topbar .nav-links { width: 100%; overflow-x: auto; }
    .lab-container { padding: 16px 12px 40px; }
    .lab-hero { padding: 20px; }
    .lab-hero h1 { font-size: 20px; flex-wrap: wrap; }
    .lab-stat-row { grid-template-columns: repeat(2, 1fr); }
    .lab-stat-card .value { font-size: 18px; }
    .lab-tools-grid { grid-template-columns: 1fr; }
}

/* =========================== UTIL =========================== */
.lab-mono { font-family: 'Roboto Mono', monospace; }
.lab-hidden { display: none !important; }
.lab-flex { display: flex; }
.lab-spacer { flex: 1; }
.lab-gap-8 { gap: 8px; }
.lab-gap-12 { gap: 12px; }
.lab-mt-12 { margin-top: 12px; }
.lab-mt-20 { margin-top: 20px; }
.lab-text-muted { color: var(--lab-text-muted); }
.lab-text-cyan { color: var(--lab-cyan); }
.lab-text-purple { color: var(--lab-purple); }
.lab-text-green { color: var(--lab-green); }
.lab-text-red { color: var(--lab-red); }