/* Business Brain - page-scoped; prefers --ds-* tokens */

.business-brain-page {
    min-height: 100dvh;
    background: var(--ds-canvas);
    color: var(--ds-text-primary);
    font-family: var(--ds-font-sans);
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

.brain-v4 {
    max-width: 1280px;
    margin: 0 auto;
    padding: var(--ds-space-5) var(--ds-space-6) var(--ds-space-10);
}

.brain-period-bar {
    display: flex;
    align-items: center;
    gap: var(--ds-space-3);
    padding-block-end: var(--ds-space-4);
    border-block-end: 1px solid var(--ds-border-default);
    margin-block-end: var(--ds-space-5);
}

.brain-period-label {
    color: var(--ds-text-tertiary);
    font-size: var(--ds-text-xs);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-weight: var(--ds-fw-medium);
}

.brain-select,
.brain-v4 .ds-select {
    min-width: 140px;
}

.brain-refreshed {
    margin-inline-start: auto;
    font-size: var(--ds-text-xs);
    color: var(--ds-text-tertiary);
}

.brain-tablist {
    display: flex;
    flex-wrap: wrap;
    gap: var(--ds-space-2);
    margin-block-end: var(--ds-space-5);
}

.brain-vtab {
    display: inline-flex;
    align-items: center;
    gap: var(--ds-space-2);
    min-height: var(--ds-touch-target);
    padding: var(--ds-space-2) var(--ds-space-4);
    border: 1px solid var(--ds-border-default);
    border-radius: var(--ds-radius-md);
    background: var(--ds-bg-surface);
    color: var(--ds-text-secondary);
    font-size: var(--ds-text-sm);
    font-weight: var(--ds-fw-medium);
    cursor: pointer;
}

.brain-vtab:hover {
    border-color: var(--ds-primary);
    color: var(--ds-text-primary);
}

.brain-vtab.active {
    background: var(--ds-primary-tint);
    border-color: color-mix(in srgb, var(--ds-primary) 30%, transparent);
    color: var(--ds-primary);
}

.brain-panel {
    min-height: 240px;
}

.brain-skeleton .brain-skel-row {
    background: var(--ds-bg-inset);
    border-radius: var(--ds-radius-lg);
    margin-block-end: var(--ds-space-3);
    animation: brain-pulse 1.4s ease-in-out infinite;
}

@keyframes brain-pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.55; }
}

.bbrain-card,
.brain-card {
    background: var(--ds-bg-surface);
    border: 1px solid var(--ds-border-default);
    border-radius: var(--ds-radius-lg);
    padding: var(--ds-space-4);
    box-shadow: var(--ds-shadow-1);
    margin-block-end: var(--ds-space-4);
}

.brain-kpi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: var(--ds-space-3);
    margin-block-end: var(--ds-space-4);
}

.brain-kpi {
    background: var(--ds-bg-surface);
    border: 1px solid var(--ds-border-default);
    border-radius: var(--ds-radius-lg);
    padding: var(--ds-space-4);
}

.brain-kpi-label {
    font-size: var(--ds-text-xs);
    color: var(--ds-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.brain-kpi-value {
    font-size: var(--ds-text-xl);
    font-weight: var(--ds-fw-bold);
    color: var(--ds-text-primary);
    font-variant-numeric: tabular-nums;
}

.bbrain-money,
.brain-money {
    color: var(--ds-accent);
}

.brain-footer {
    margin-block-start: var(--ds-space-6);
    font-size: var(--ds-text-xs);
    color: var(--ds-text-tertiary);
    text-align: center;
}

.brain-drawer {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 400;
}

.bbrain-table,
.brain-table {
    width: 100%;
    border-collapse: collapse;
    font-size: var(--ds-text-sm);
}

.bbrain-table th,
.bbrain-table td,
.brain-table th,
.brain-table td {
    padding: var(--ds-space-2) var(--ds-space-3);
    border-block-end: 1px solid var(--ds-border-default);
    text-align: start;
}

.bbrain-table th,
.brain-table th {
    color: var(--ds-text-secondary);
    font-weight: var(--ds-fw-medium);
    font-size: var(--ds-text-xs);
    text-transform: uppercase;
}

.bbrain-chat-input,
.brain-chat-input {
    width: 100%;
    min-height: var(--ds-touch-target);
    border: 1px solid var(--ds-border-default);
    border-radius: var(--ds-radius-md);
    padding: var(--ds-space-2) var(--ds-space-3);
    background: var(--ds-bg-surface);
    color: var(--ds-text-primary);
    font-family: inherit;
}

.bbrain-btn,
.brain-btn {
    min-height: var(--ds-touch-target);
    padding: var(--ds-space-2) var(--ds-space-4);
    border-radius: var(--ds-radius-md);
    border: 1px solid var(--ds-border-default);
    background: var(--ds-bg-surface);
    color: var(--ds-text-primary);
    font-size: var(--ds-text-sm);
    cursor: pointer;
}

.bbrain-btn-primary,
.brain-btn-primary {
    background: var(--ds-primary);
    border-color: var(--ds-primary);
    color: var(--ds-text-on-accent);
}

.bbrain-alert,
.brain-alert {
    border: 1px solid var(--ds-border-default);
    border-radius: var(--ds-radius-md);
    padding: var(--ds-space-3);
    background: var(--ds-bg-inset);
    margin-block-end: var(--ds-space-2);
}

.bbrain-alert-warn,
.brain-alert-warn {
    border-color: color-mix(in srgb, var(--ds-warning) 40%, var(--ds-border-default));
    background: color-mix(in srgb, var(--ds-warning) 8%, var(--ds-bg-surface));
}

.bbrain-alert-danger,
.brain-alert-danger {
    border-color: color-mix(in srgb, var(--ds-danger) 40%, var(--ds-border-default));
    background: color-mix(in srgb, var(--ds-danger) 8%, var(--ds-bg-surface));
}

.bbrain-empty,
.brain-empty {
    padding: var(--ds-space-8);
    text-align: center;
    color: var(--ds-text-secondary);
}

/* Legacy aliases map to ds tokens */
:root {
    --bb-bg: var(--ds-canvas);
    --bb-surface: var(--ds-bg-surface);
    --bb-card: var(--ds-bg-surface);
    --bb-elevated: var(--ds-bg-inset);
    --bb-border: var(--ds-border-default);
    --bb-text: var(--ds-text-primary);
    --bb-text-2: var(--ds-text-secondary);
    --bb-text-3: var(--ds-text-tertiary);
    --bb-gold: var(--ds-accent);
    --bb-green: var(--ds-success);
    --bb-red: var(--ds-danger);
    --bb-orange: var(--ds-warning);
    --bb-font: var(--ds-font-sans);
    --bb-mono: var(--ds-font-mono);
}


.brain-select {
    height: 36px;
    border: 1px solid var(--bb-border);
    border-radius: var(--bb-r-sm);
    background: var(--bb-elevated);
    color: var(--bb-text);
    padding: 0 28px 0 12px;
    font-family: var(--bb-font);
    font-size: 13px;
    font-weight: 500;
    outline: none;
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg width='10' height='7' viewBox='0 0 10 7' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1l4 4 4-4' stroke='%23666' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 10px center;
    min-width: 150px;
    transition: border-color var(--bb-dur) var(--bb-ease),
                box-shadow var(--bb-dur) var(--bb-ease);
}
.brain-select:hover  { border-color: var(--bb-border-h); }
.brain-select:focus-visible {
    border-color: var(--bb-gold);
    box-shadow: 0 0 0 3px rgba(201,150,58,0.18);
}

.brain-refreshed {
    margin-left: auto;
    color: var(--bb-text-3);
    font-size: 11px;
    font-family: var(--bb-mono);
    display: flex;
    align-items: center;
    gap: 6px;
}
.brain-refreshed::before {
    content: '';
    width: 6px; height: 6px;
    border-radius: 50%;
    background: var(--bb-green);
    animation: bbPulse 2.4s ease-in-out infinite;
    flex-shrink: 0;
}

/* ── Tab Bar ── */
.brain-tablist {
    position: sticky;
    top: 8px;
    z-index: 20;
    display: flex;
    gap: 3px;
    margin-bottom: 24px;
    padding: 4px;
    overflow-x: auto;
    border: 1px solid rgba(255,255,255,0.06);
    border-radius: 999px;
    background: rgba(10,10,10,0.88);
    backdrop-filter: blur(24px) saturate(160%);
    -webkit-backdrop-filter: blur(24px) saturate(160%);
    scrollbar-width: none;
    box-shadow: 0 4px 28px rgba(0,0,0,0.45),
                inset 0 1px 0 rgba(255,255,255,0.04);
}
.brain-tablist::-webkit-scrollbar { display: none; }

.brain-vtab {
    flex: 0 0 auto;
    min-height: 38px;
    min-width: 44px;
    display: inline-flex;
    align-items: center;
    gap: 7px;
    border: none;
    border-radius: 999px;
    background: transparent;
    color: var(--bb-text-2);
    padding: 0 18px;
    font-family: var(--bb-font);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    white-space: nowrap;
    transition: color var(--bb-dur) var(--bb-ease),
                background var(--bb-dur) var(--bb-ease);
}
.brain-vtab svg { transition: transform var(--bb-dur) var(--bb-ease), opacity var(--bb-dur); opacity: 0.7; }
.brain-vtab:hover { color: var(--bb-text); background: rgba(255,255,255,0.05); }
.brain-vtab:hover svg { opacity: 1; }
.brain-vtab.active {
    color: #18130A;
    background: var(--bb-gold);
    font-weight: 600;
    box-shadow: 0 0 18px rgba(201,150,58,0.35);
}
.brain-vtab.active svg { transform: scale(1.1); opacity: 1; }
.brain-vtab:focus-visible { outline: 2px solid var(--bb-gold); outline-offset: 3px; }

/* ── Panel ── */
.brain-panel {
    min-height: 400px;
    animation: bbPanelIn var(--bb-dur) var(--bb-ease) both;
}

/* ── Buttons ── */
.brain-btn {
    min-height: 40px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 7px;
    border: 1px solid var(--bb-border);
    border-radius: var(--bb-r-sm);
    background: var(--bb-elevated);
    color: var(--bb-text);
    padding: 0 16px;
    font-family: var(--bb-font);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    white-space: nowrap;
    user-select: none;
    transition: background var(--bb-dur-f) var(--bb-ease), border-color var(--bb-dur-f) var(--bb-ease), transform var(--bb-dur-f) var(--bb-ease), box-shadow var(--bb-dur-f) var(--bb-ease);
    text-decoration: none;
}
.brain-btn:hover {
    background: rgba(255,255,255,0.07);
    border-color: var(--bb-border-h);
    transform: translateY(-1px);
    box-shadow: 0 4px 14px rgba(0,0,0,0.25);
}
.brain-btn:active { transform: translateY(0); box-shadow: none; }
.brain-btn.primary {
    background: var(--bb-gold);
    border-color: var(--bb-gold);
    color: #18130A;
    font-weight: 600;
}
.brain-btn.primary:hover {
    background: var(--bb-gold-l);
    border-color: var(--bb-gold-l);
    box-shadow: 0 4px 18px rgba(201,150,58,0.28);
}
.brain-btn:focus-visible { outline: 2px solid var(--bb-gold); outline-offset: 2px; }

.brain-mini { min-height: 30px; padding: 0 10px; font-size: 12px; }

/* ── Cards ── */
.brain-card {
    position: relative;
    border: 1px solid var(--bb-border);
    border-radius: var(--bb-r);
    background: var(--bb-card);
    box-shadow: var(--bb-shadow);
    padding: clamp(16px, 2vw, 22px);
    overflow: hidden;
    transition: border-color var(--bb-dur) var(--bb-ease),
                box-shadow var(--bb-dur) var(--bb-ease);
}
.brain-card::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    background: radial-gradient(ellipse at 0% 0%, rgba(201,150,58,0.035) 0%, transparent 55%);
    pointer-events: none;
}
.brain-card:hover {
    border-color: var(--bb-border-h);
    box-shadow: var(--bb-shadow), var(--bb-gold-glow);
}

.brain-card-spotlight {
    border-color: rgba(201,150,58,0.16);
    background: linear-gradient(140deg, rgba(201,150,58,0.06) 0%, var(--bb-card) 55%);
}

.brain-card-wide { grid-column: span 2; }

.brain-card-heading {
    display: flex;
    align-items: center;
    gap: 9px;
    margin: 0 0 18px;
    font-size: 14px;
    font-weight: 600;
    color: var(--bb-text);
    letter-spacing: -0.01em;
}
.brain-card-heading svg { color: var(--bb-gold); opacity: 0.85; flex-shrink: 0; }

/* ── KPI Cards ── */
.brain-kpi {
    position: relative;
    border: 1px solid var(--bb-border);
    border-radius: var(--bb-r);
    background: var(--bb-card);
    box-shadow: var(--bb-shadow);
    padding: clamp(16px, 2vw, 22px);
    min-width: 0;
    overflow: hidden;
    transition: border-color var(--bb-dur) var(--bb-ease),
                transform var(--bb-dur) var(--bb-ease),
                box-shadow var(--bb-dur) var(--bb-ease);
}
.brain-kpi::after {
    content: '';
    position: absolute;
    bottom: 0; left: 0; right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--bb-gold), transparent);
    opacity: 0;
    transition: opacity var(--bb-dur) var(--bb-ease);
}
.brain-kpi:hover { border-color: var(--bb-border-h); transform: translateY(-2px); box-shadow: var(--bb-shadow-lg); }
.brain-kpi:hover::after { opacity: 1; }

.brain-kpi-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 14px;
}
.brain-kpi-label {
    color: var(--bb-text-2);
    font-size: 11px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.09em;
}
.brain-kpi-icon {
    width: 30px; height: 30px;
    border-radius: 7px;
    background: var(--bb-gold-dim);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--bb-gold);
    flex-shrink: 0;
}
.brain-kpi-value {
    font-family: var(--bb-mono);
    font-size: clamp(20px, 2.6vw, 29px);
    font-weight: 700;
    color: var(--bb-text);
    margin-bottom: 5px;
    letter-spacing: -0.03em;
    line-height: 1;
}
.brain-kpi-sub { color: var(--bb-text-3); font-size: 12px; }

/* ── Grids ── */
.brain-grid { display: grid; gap: 14px; }
.brain-grid-money { grid-template-columns: repeat(4, 1fr); }
.brain-grid-2col  { grid-template-columns: 1fr 1fr; }
.brain-today-grid { display: grid; grid-template-columns: 2fr 1fr; gap: 14px; align-items: start; }
.brain-menu-groups { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }

/* ── Health Line ── */
.brain-health-line { display: flex; align-items: center; gap: 24px; flex-wrap: wrap; }
.brain-health-main { display: flex; align-items: center; gap: 20px; flex: 1; min-width: 0; }

/* Grade Ring */
.brain-grade-svg {
    width: 96px; height: 96px;
    flex-shrink: 0;
    filter: drop-shadow(0 0 10px rgba(201,150,58,0.22));
    animation: bbRingGlow 3s ease-in-out infinite;
}
.brain-grade-ring-fill {
    stroke-dashoffset: var(--ring-target, 276.46);
    transition: stroke-dashoffset 1.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.brain-health-summary { min-width: 0; }
.brain-health-headline {
    font-size: clamp(16px, 2.2vw, 21px);
    font-weight: 600;
    line-height: 1.35;
    letter-spacing: -0.02em;
}
.brain-health-headline strong { color: var(--bb-gold); font-family: var(--bb-mono); font-size: 1.04em; }
.brain-health-detail { color: var(--bb-text-2); font-size: 14px; margin-top: 8px; line-height: 1.5; }
.brain-health-break { color: var(--bb-text-3); font-size: 13px; margin-top: 8px; font-style: italic; line-height: 1.5; }

.brain-health-spark { flex: 0 0 180px; min-width: 80px; height: 52px; }
.brain-spark-svg { width: 100%; height: 100%; overflow: visible; }

/* ── Opportunity ── */
.brain-opp-head { font-size: 15px; font-weight: 600; margin: 0 0 8px; line-height: 1.4; letter-spacing: -0.01em; }
.brain-opp-sub { color: var(--bb-text-2); font-size: 13px; margin: 0 0 18px; line-height: 1.55; }

/* ── Action Cards ── */
.brain-card-group { margin-bottom: 24px; }
.brain-card-group:last-child { margin-bottom: 0; }

.brain-group-label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.10em;
    margin: 0 0 12px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--bb-border);
}
.brain-group-label::before {
    content: '';
    width: 3px; height: 13px;
    border-radius: 2px;
    flex-shrink: 0;
}
.brain-group-label.earns { color: var(--bb-gold); }
.brain-group-label.earns::before { background: var(--bb-gold); }
.brain-group-label.saves { color: var(--bb-green); }
.brain-group-label.saves::before { background: var(--bb-green); }
.brain-group-label.risk  { color: var(--bb-red); }
.brain-group-label.risk::before  { background: var(--bb-red); }

.brain-action-card {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 14px;
    padding: 13px 14px 13px 17px;
    margin-bottom: 8px;
    border: 1px solid var(--bb-border);
    border-radius: var(--bb-r-sm);
    background: var(--bb-card);
    position: relative;
    overflow: hidden;
    transition: border-color var(--bb-dur-f) var(--bb-ease),
                background var(--bb-dur-f) var(--bb-ease),
                transform var(--bb-dur-f) var(--bb-ease),
                opacity var(--bb-dur) var(--bb-ease);
    animation: bbCardIn var(--bb-dur-s) var(--bb-ease) both;
    animation-delay: var(--card-delay, 0ms);
}
.brain-action-card::before {
    content: '';
    position: absolute;
    left: 0; top: 0; bottom: 0;
    width: 3px;
    background: var(--card-accent, var(--bb-gold));
    border-radius: 3px 0 0 3px;
}
.brain-action-card[data-group="earns"] { --card-accent: var(--bb-gold); }
.brain-action-card[data-group="saves"] { --card-accent: var(--bb-green); }
.brain-action-card[data-group="risk"]  { --card-accent: var(--bb-red); }
.brain-action-card:hover {
    border-color: var(--bb-border-h);
    background: var(--bb-elevated);
    transform: translateX(3px);
}
.brain-action-card.accepted {
    opacity: 0.4;
    transform: translateX(16px) scale(0.97);
}

.brain-action-body { flex: 1; min-width: 0; }
.brain-action-problem { font-weight: 600; font-size: 13px; margin-bottom: 4px; line-height: 1.4; }
.brain-action-why { color: var(--bb-text-2); font-size: 12px; margin-bottom: 10px; line-height: 1.5; }
.brain-action-meta { display: flex; align-items: center; gap: 10px; font-size: 11px; font-family: var(--bb-mono); }
.brain-action-impact {
    color: var(--bb-gold);
    background: rgba(201,150,58,0.10);
    padding: 2px 7px;
    border-radius: 4px;
    font-weight: 600;
}
.brain-action-confidence { color: var(--bb-text-3); text-transform: uppercase; letter-spacing: 0.05em; }
.brain-action-actions { display: flex; flex-direction: column; gap: 6px; flex-shrink: 0; }

/* ── Waterfall ── */
.brain-waterfall { display: flex; flex-direction: column; gap: 8px; }
.brain-wf-bar {
    display: flex;
    align-items: center;
    gap: 10px;
    min-height: 28px;
}
.brain-wf-bar span {
    width: 126px; flex-shrink: 0;
    color: var(--bb-text-2); font-size: 12px; text-align: right;
}
.brain-wf-bar b {
    width: 88px; flex-shrink: 0;
    font-family: var(--bb-mono); font-size: 12px; text-align: right; color: var(--bb-text);
}
.brain-wf-total { padding-top: 8px; margin-top: 4px; border-top: 1px solid var(--bb-border); }
.brain-wf-total span, .brain-wf-total b { font-weight: 700; font-size: 13px; color: var(--bb-text); }
.brain-wf-track {
    flex: 1;
    height: 8px;
    background: rgba(255,255,255,0.04);
    border-radius: 4px;
    overflow: hidden;
    position: relative;
}
.brain-wf-fill {
    height: 100%;
    border-radius: 4px;
    transform: scaleX(0);
    transform-origin: left;
    animation: bbBarGrow 0.9s var(--bb-ease) forwards;
    animation-delay: var(--bar-delay, 0ms);
}
.brain-bar-pos { background: linear-gradient(90deg, var(--bb-green), rgba(62,207,142,0.55)); }
.brain-bar-neg { background: linear-gradient(90deg, var(--bb-red),   rgba(240,96,88,0.55)); }

/* ── Break-Even ── */
.brain-breakeven-empty { padding: 24px; color: var(--bb-text-2); text-align: center; }
.brain-breakeven-empty p { margin: 0 0 8px; font-size: 13px; line-height: 1.55; }
.brain-be-wrap { display: flex; align-items: center; gap: 24px; padding: 12px 0; }
.brain-thermometer { flex-shrink: 0; }
.brain-thermo-svg { width: 40px; height: 150px; }
.brain-be-stats { display: flex; flex-direction: column; gap: 14px; flex: 1; }
.brain-be-stat { display: flex; flex-direction: column; gap: 3px; }
.brain-be-stat span { font-size: 11px; text-transform: uppercase; letter-spacing: 0.07em; color: var(--bb-text-3); }
.brain-be-stat b { font-family: var(--bb-mono); font-size: 16px; color: var(--bb-text); }

/* ── Reconciliation ── */
.brain-reconciliation {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 11px 16px;
    border: 1px solid var(--bb-border);
    border-radius: var(--bb-r-sm);
    background: var(--bb-elevated);
    font-size: 13px;
    color: var(--bb-text-2);
}
.brain-recon-dot { width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0; }
.brain-recon-ok   { background: var(--bb-green);  box-shadow: 0 0 8px rgba(62,207,142,0.4); }
.brain-recon-warn { background: var(--bb-orange); box-shadow: 0 0 8px rgba(245,158,11,0.4); animation: bbPulse 2s ease-in-out infinite; }
.brain-recon-detail { margin-left: auto; font-family: var(--bb-mono); font-size: 11px; color: var(--bb-text-3); }

/* ── Menu Groups ── */
.brain-group-count {
    margin-left: auto;
    font-family: var(--bb-mono); font-size: 11px;
    color: var(--bb-text-3);
    padding: 2px 8px;
    border-radius: 999px;
    background: rgba(255,255,255,0.05);
    border: 1px solid var(--bb-border);
}
.brain-group-desc { color: var(--bb-text-2); font-size: 13px; margin: -6px 0 14px; line-height: 1.5; }
.brain-menu-list { display: flex; flex-direction: column; }
.brain-menu-row {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 9px 0;
    border-top: 1px solid var(--bb-border);
    transition: background var(--bb-dur-f), padding var(--bb-dur-f);
    border-radius: 0;
}
.brain-menu-row:hover { background: rgba(255,255,255,0.025); padding: 9px 8px; border-radius: 6px; }
.brain-menu-name {
    flex: 1; font-weight: 500; font-size: 13px;
    min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.brain-menu-units { width: 56px; text-align: right; font-family: var(--bb-mono); font-size: 11px; color: var(--bb-text-2); }
.brain-menu-margin { width: 100px; text-align: right; font-family: var(--bb-mono); font-size: 12px; font-weight: 600; }
.brain-margin-ok   { color: var(--bb-green); }
.brain-margin-warn { color: var(--bb-orange); }
.brain-margin-none { color: var(--bb-text-3); }

/* ── Simulator ── */
.brain-sim-card { padding: 20px; }
.brain-sim-controls { display: flex; gap: 14px; align-items: center; flex-wrap: wrap; margin-bottom: 14px; }
.brain-sim-price-wrap { display: flex; align-items: center; gap: 10px; flex: 1; min-width: 200px; }
.brain-sim-label { color: var(--bb-text-3); font-size: 11px; white-space: nowrap; text-transform: uppercase; letter-spacing: 0.07em; }
.brain-slider {
    flex: 1; height: 4px;
    -webkit-appearance: none; appearance: none;
    background: rgba(255,255,255,0.08);
    border-radius: 2px;
    outline: none;
    min-width: 100px;
    cursor: pointer;
    touch-action: manipulation;
}
.brain-slider:focus-visible {
    box-shadow: 0 0 0 3px rgba(201, 150, 58, 0.25);
}
.brain-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 18px; height: 18px;
    border-radius: 50%;
    background: var(--bb-gold);
    cursor: grab;
    border: 3px solid var(--bb-bg);
    box-shadow: 0 0 0 1px var(--bb-gold);
    transition: transform var(--bb-dur-f);
}
.brain-slider::-webkit-slider-thumb:active { cursor: grabbing; transform: scale(1.25); }
.brain-slider::-moz-range-thumb {
    width: 18px; height: 18px; border-radius: 50%;
    background: var(--bb-gold); cursor: grab; border: 3px solid var(--bb-bg);
}
.brain-sim-value { font-family: var(--bb-mono); font-size: 14px; font-weight: 700; min-width: 80px; color: var(--bb-gold); text-align: right; }
.brain-sim-result {
    padding: 14px 16px;
    background: var(--bb-elevated);
    border: 1px solid var(--bb-border);
    border-radius: var(--bb-r-sm);
    font-size: 13px;
    color: var(--bb-text-2);
    line-height: 1.6;
    transition: border-color var(--bb-dur) var(--bb-ease),
                background var(--bb-dur) var(--bb-ease);
}
.brain-sim-result.has-data { border-color: rgba(201,150,58,0.22); background: rgba(201,150,58,0.04); }
.brain-sim-metric {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 7px 0;
    border-bottom: 1px solid var(--bb-border);
}
.brain-sim-metric:last-child { border-bottom: none; }
.brain-sim-metric span { color: var(--bb-text-2); font-size: 12px; }
.brain-sim-metric b { font-family: var(--bb-mono); font-size: 13px; color: var(--bb-text); }
.brain-sim-metric b.pos { color: var(--bb-green); }
.brain-sim-metric b.neg { color: var(--bb-red); }
.brain-sim-metric b.gold { color: var(--bb-gold); }

/* ── Stock List ── */
.brain-stock-list { display: flex; flex-direction: column; }
.brain-stock-row {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 0;
    border-top: 1px solid var(--bb-border);
    font-size: 13px;
    transition: background var(--bb-dur-f);
}
.brain-stock-row:hover { background: rgba(255,255,255,0.02); }
.brain-stock-name { flex: 1; font-weight: 500; color: var(--bb-text); min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.brain-stock-badge {
    padding: 2px 8px; border-radius: 999px;
    font-size: 11px; font-family: var(--bb-mono); font-weight: 600;
    flex-shrink: 0; white-space: nowrap;
}
.brain-stock-critical {
    background: rgba(240,96,88,0.14); color: var(--bb-red);
    border: 1px solid rgba(240,96,88,0.28);
    animation: bbPulse 2s ease-in-out infinite;
}
.brain-stock-high {
    background: rgba(245,158,11,0.12); color: var(--bb-orange);
    border: 1px solid rgba(245,158,11,0.24);
}
.brain-stock-ok {
    background: rgba(255,255,255,0.04); color: var(--bb-text-3);
    border: 1px solid var(--bb-border);
}
.brain-stock-days { width: 36px; text-align: right; color: var(--bb-text-3); font-family: var(--bb-mono); font-size: 11px; flex-shrink: 0; }
.brain-stock-suggest { color: var(--bb-gold); font-family: var(--bb-mono); font-size: 11px; flex-shrink: 0; }

/* ── Chat ── */
.brain-chat-wrap { display: flex; flex-direction: column; min-height: 360px; }
.brain-chat-log {
    flex: 1;
    min-height: 200px; max-height: 380px;
    overflow-y: auto;
    display: flex; flex-direction: column;
    gap: 8px;
    padding: 4px 0 12px;
    scrollbar-width: thin;
    scrollbar-color: var(--bb-border) transparent;
}
.brain-chat-log::-webkit-scrollbar { width: 4px; }
.brain-chat-log::-webkit-scrollbar-thumb { background: var(--bb-border); border-radius: 2px; }

.brain-chat-msg {
    max-width: 88%;
    padding: 10px 14px;
    border-radius: 12px;
    font-size: 13px;
    line-height: 1.55;
    animation: bbMsgIn 200ms var(--bb-ease) both;
}
.brain-chat-user {
    align-self: flex-end;
    background: var(--bb-gold);
    color: #18130A;
    border-radius: 12px 12px 3px 12px;
    font-weight: 500;
}
.brain-chat-assistant {
    align-self: flex-start;
    background: var(--bb-elevated);
    border: 1px solid var(--bb-border);
    border-radius: 12px 12px 12px 3px;
    color: var(--bb-text);
}
.brain-chat-error {
    align-self: flex-start;
    color: var(--bb-red); font-size: 12px;
    padding: 6px 10px;
    background: rgba(240,96,88,0.08);
    border-radius: 6px;
    border: 1px solid rgba(240,96,88,0.16);
}
.brain-chat-pending {
    align-self: flex-start;
    display: flex; align-items: center; gap: 5px;
    padding: 12px 16px;
    background: var(--bb-elevated);
    border: 1px solid var(--bb-border);
    border-radius: 12px 12px 12px 3px;
}
.brain-chat-dot {
    width: 6px; height: 6px; border-radius: 50%;
    background: var(--bb-text-3);
    animation: bbDot 1.4s ease-in-out infinite both;
}
.brain-chat-dot:nth-child(2) { animation-delay: 0.2s; }
.brain-chat-dot:nth-child(3) { animation-delay: 0.4s; }

.brain-chat-hint {
    color: var(--bb-text-3); font-size: 12px; text-align: center;
    padding: 28px 20px;
    border: 1px dashed rgba(255,255,255,0.07);
    border-radius: var(--bb-r-sm); margin: 8px 0; line-height: 1.65;
}
.brain-chat-hint strong { color: var(--bb-gold); }
.brain-chat-form {
    display: flex; gap: 8px;
    margin-top: 12px; padding-top: 12px;
    border-top: 1px solid var(--bb-border);
}
.brain-input {
    flex: 1; min-height: 40px;
    border: 1px solid var(--bb-border); border-radius: var(--bb-r-sm);
    background: var(--bb-elevated); color: var(--bb-text);
    padding: 0 14px; font-family: var(--bb-font); font-size: 13px; outline: none;
    transition: border-color var(--bb-dur) var(--bb-ease),
                box-shadow var(--bb-dur) var(--bb-ease);
}
.brain-input::placeholder { color: var(--bb-text-3); }
.brain-input:focus-visible {
    border-color: var(--bb-gold);
    box-shadow: 0 0 0 3px rgba(201,150,58,0.14);
}

/* ── Drawer ── */
.brain-drawer { position: fixed; inset: 0; z-index: 50; display: none; }
.brain-drawer-backdrop {
    position: absolute; inset: 0;
    background: rgba(0,0,0,0.62);
    backdrop-filter: blur(4px);
    animation: bbFadeIn var(--bb-dur) var(--bb-ease) both;
}
.brain-drawer-panel {
    position: absolute; top: 0; right: 0;
    width: min(440px, 100vw); height: 100dvh;
    padding: 28px;
    background: var(--bb-surface);
    border-left: 1px solid var(--bb-border);
    box-shadow: -10px 0 48px rgba(0,0,0,0.55);
    overflow-y: auto;
    animation: bbDrawerIn var(--bb-dur-s) var(--bb-ease) both;
    scrollbar-width: thin; scrollbar-color: var(--bb-border) transparent;
}
.brain-drawer-panel::before {
    content: '';
    position: absolute; top: 0; left: -1px;
    width: 2px; height: 72px;
    background: linear-gradient(180deg, var(--bb-gold), transparent);
}
.brain-drawer-close {
    position: absolute; top: 20px; right: 20px;
    width: 36px; height: 36px;
    display: inline-flex; align-items: center; justify-content: center;
    border: 1px solid var(--bb-border); border-radius: var(--bb-r-sm);
    background: transparent; color: var(--bb-text-2); cursor: pointer;
    transition: color var(--bb-dur-f) var(--bb-ease), background var(--bb-dur-f) var(--bb-ease), border-color var(--bb-dur-f) var(--bb-ease), transform var(--bb-dur-f) var(--bb-ease);
}
.brain-drawer-close:hover {
    color: var(--bb-text);
    background: rgba(255,255,255,0.07);
    border-color: var(--bb-border-h);
    transform: rotate(90deg);
}
.brain-drawer-panel h2 { margin: 0 44px 24px 0; font-size: 22px; font-weight: 700; letter-spacing: -0.02em; }
.brain-drawer-metrics { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin-bottom: 24px; }
.brain-drawer-metric {
    border: 1px solid var(--bb-border); border-radius: var(--bb-r-sm);
    background: rgba(255,255,255,0.02); padding: 12px;
}
.brain-drawer-metric span {
    display: block; color: var(--bb-text-3);
    font-size: 10px; text-transform: uppercase;
    letter-spacing: 0.07em; margin-bottom: 6px;
}
.brain-drawer-metric b { font-family: var(--bb-mono); font-size: 15px; color: var(--bb-text); }
.brain-drawer-actions p { color: var(--bb-text-2); font-size: 13px; margin: 0 0 14px; line-height: 1.6; }
.brain-drawer-list .brain-menu-row { padding: 8px 0; }

/* ── Footer ── */
.brain-footer {
    display: flex; justify-content: space-between; align-items: center;
    padding: 16px 0; margin-top: 48px;
    border-top: 1px solid var(--bb-border);
    color: var(--bb-text-3); font-size: 11px; font-family: var(--bb-mono);
    flex-wrap: wrap; gap: 8px;
}

/* ── Skeleton ── */
.brain-skeleton { display: flex; flex-direction: column; gap: 14px; }
.brain-skel-row {
    border: 1px solid var(--bb-border); border-radius: var(--bb-r);
    overflow: hidden; position: relative;
    background: var(--bb-card);
}
.brain-skel-row::after {
    content: '';
    position: absolute; inset: 0;
    background: linear-gradient(90deg,
        transparent 0%, rgba(255,255,255,0.04) 50%, transparent 100%);
    animation: bbShimmer 1.8s ease-in-out infinite;
    background-size: 200% 100%;
}

/* ── Empty / Error ── */
.brain-empty {
    min-height: 200px;
    display: grid; place-items: center; text-align: center;
    padding: 40px;
    border: 1px dashed rgba(255,255,255,0.07);
    border-radius: var(--bb-r);
    color: var(--bb-text-2); font-size: 14px;
}
.brain-empty-icon {
    width: 40px; height: 40px; border-radius: 10px;
    background: rgba(255,255,255,0.04);
    display: flex; align-items: center; justify-content: center;
    margin: 0 auto 12px; color: var(--bb-text-3);
}
.brain-empty-text { color: var(--bb-text-2); font-size: 13px; padding: 16px 0; text-align: center; line-height: 1.6; }
.brain-error {
    text-align: center; padding: 32px;
    border: 1px solid rgba(240,96,88,0.16); border-radius: var(--bb-r);
    background: rgba(240,96,88,0.04);
}
.brain-error p { color: var(--bb-red); margin: 0 0 16px; font-size: 14px; }

/* ── Onboarding Banner ── */
.brain-onboarding-inner {
    display: flex; align-items: center; gap: 10px;
    padding: 12px 16px; margin-bottom: 20px;
    border: 1px solid rgba(201,150,58,0.26); border-radius: var(--bb-r-sm);
    background: linear-gradient(135deg, rgba(201,150,58,0.07) 0%, rgba(201,150,58,0.02) 100%);
    color: var(--bb-text-2); font-size: 13px; line-height: 1.5;
}
.brain-onboarding-inner::before {
    content: '';
    width: 6px; height: 6px; border-radius: 50%;
    background: var(--bb-gold); flex-shrink: 0;
    animation: bbPulse 2.2s ease-in-out infinite;
}
.brain-onboarding-inner a { color: var(--bb-gold); text-decoration: none; font-weight: 500; }
.brain-onboarding-inner a:hover { text-decoration: underline; }

/* ── Animations ── */
@keyframes bbShimmer {
    0%   { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}
@keyframes bbCardIn {
    from { opacity: 0; transform: translateY(14px); }
    to   { opacity: 1; transform: translateY(0); }
}
@keyframes brainOut {
    from { opacity: 1; transform: translateX(0) scale(1); }
    to   { opacity: 0; transform: translateX(20px) scale(0.96); }
}
@keyframes bbDrawerIn {
    from { transform: translateX(100%); }
    to   { transform: translateX(0); }
}
@keyframes bbFadeIn {
    from { opacity: 0; }
    to   { opacity: 1; }
}
@keyframes bbPanelIn {
    from { opacity: 0; transform: translateY(8px); }
    to   { opacity: 1; transform: translateY(0); }
}
@keyframes bbPulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50%       { opacity: 0.45; transform: scale(0.8); }
}
@keyframes bbRingGlow {
    0%, 100% { filter: drop-shadow(0 0 8px rgba(201,150,58,0.25)); }
    50%       { filter: drop-shadow(0 0 18px rgba(201,150,58,0.55)); }
}
@keyframes bbMsgIn {
    from { opacity: 0; transform: translateY(6px) scale(0.97); }
    to   { opacity: 1; transform: translateY(0) scale(1); }
}
@keyframes bbDot {
    0%, 80%, 100% { transform: scale(0.55); opacity: 0.35; }
    40%            { transform: scale(1.0);  opacity: 1;    }
}
@keyframes bbBarGrow {
    from { transform: scaleX(0); }
    to   { transform: scaleX(1); }
}

/* ── Responsive ── */
@media (max-width: 1024px) {
    .brain-grid-money { grid-template-columns: repeat(2, 1fr); }
    .brain-today-grid { grid-template-columns: 1fr; }
    .brain-card-wide  { grid-column: auto; }
}
@media (max-width: 768px) {
    .brain-v4 { padding: 12px; }
    .brain-grid-money  { grid-template-columns: 1fr 1fr; }
    .brain-grid-2col   { grid-template-columns: 1fr; }
    .brain-menu-groups { grid-template-columns: 1fr; }
    .brain-health-line { flex-direction: column; align-items: flex-start; gap: 16px; }
    .brain-health-spark { flex: none; width: 100%; }
    .brain-sim-controls { flex-direction: column; align-items: stretch; }
    .brain-drawer-panel { width: 100vw; }
    .brain-action-card  { flex-direction: column; align-items: stretch; }
    .brain-action-actions { flex-direction: row; justify-content: flex-end; }
    .brain-wf-bar span { width: 90px; }
    .brain-wf-bar b    { width: 78px; }
    .brain-tablist { border-radius: 14px; padding: 5px; top: 6px; }
}
@media (max-width: 480px) {
    .brain-v4 { padding: 8px; }
    .brain-grid-money { grid-template-columns: 1fr; }
    .brain-vtab { padding: 0 12px; font-size: 12px; gap: 5px; }
    .brain-drawer-metrics { grid-template-columns: 1fr 1fr; }
    .brain-health-headline { font-size: 16px; }
}
@media (prefers-reduced-motion: reduce) {
    .brain-v4 *, .brain-v4 *::before, .brain-v4 *::after {
        animation-duration: 1ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 1ms !important;
    }
}