/* ARATT Runtime Observability — debug gate only (.aratt-diagnostics--active on html) */
html:not(.aratt-diagnostics--active) #arattDiagnosticsRoot {
    display: none !important;
    visibility: hidden !important;
    pointer-events: none !important;
}

#arattDiagnosticsRoot {
    position: fixed;
    left: max(8px, env(safe-area-inset-left, 0px));
    bottom: calc(6.5rem + env(safe-area-inset-bottom, 0px));
    z-index: 91;
    font-family: 'Plus Jakarta Sans', 'Noto Sans Bengali', system-ui, sans-serif;
    font-size: 10px;
    line-height: 1.35;
    color: #e2e8f0;
    pointer-events: none;
}

#arattDiagnosticsRoot * {
    box-sizing: border-box;
}

.aratt-diag-fab {
    pointer-events: auto;
    display: flex;
    align-items: center;
    gap: 6px;
    min-height: 40px;
    padding: 8px 12px;
    border-radius: 999px;
    border: 1px solid rgba(56, 189, 248, 0.45);
    background: rgba(15, 23, 42, 0.92);
    color: #7dd3fc;
    font-size: 10px;
    font-weight: 800;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    cursor: pointer;
    box-shadow: 0 4px 18px rgba(0, 0, 0, 0.35);
    backdrop-filter: blur(10px);
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
}

.aratt-diag-fab[hidden] {
    display: none !important;
}

.aratt-diag-panel {
    pointer-events: auto;
    display: none;
    flex-direction: column;
    width: min(400px, calc(100vw - 16px));
    max-height: min(62vh, 480px);
    margin-bottom: 8px;
    border-radius: 12px;
    border: 1px solid rgba(56, 189, 248, 0.35);
    background: rgba(15, 23, 42, 0.96);
    box-shadow: 0 8px 28px rgba(0, 0, 0, 0.42);
    backdrop-filter: blur(12px);
    overflow: hidden;
}

.aratt-diag-panel.aratt-diag-panel--open {
    display: flex;
}

.aratt-diag-panel__head {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 6px;
    padding: 8px 10px;
    border-bottom: 1px solid rgba(148, 163, 184, 0.15);
    background: rgba(2, 6, 23, 0.5);
}

.aratt-diag-panel__title {
    flex: 1 1 auto;
    font-weight: 900;
    font-size: 10px;
    color: #7dd3fc;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.aratt-diag-panel__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
}

.aratt-diag-btn {
    min-height: 32px;
    padding: 4px 8px;
    border-radius: 8px;
    border: 1px solid rgba(148, 163, 184, 0.28);
    background: rgba(148, 163, 184, 0.08);
    color: #e2e8f0;
    font-size: 9px;
    font-weight: 700;
    cursor: pointer;
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
}

.aratt-diag-btn--primary {
    border-color: rgba(56, 189, 248, 0.5);
    background: rgba(14, 165, 233, 0.15);
    color: #bae6fd;
}

.aratt-diag-btn:active {
    transform: scale(0.98);
}

.aratt-diag-panel__body {
    flex: 1 1 auto;
    min-height: 0;
    overflow-y: auto;
    padding: 6px 8px 10px;
    -webkit-overflow-scrolling: touch;
}

.aratt-diag-section {
    margin-bottom: 8px;
    border-radius: 8px;
    border: 1px solid rgba(148, 163, 184, 0.12);
    background: rgba(2, 6, 23, 0.35);
}

.aratt-diag-section__head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: 6px 8px;
    border: none;
    background: transparent;
    color: #94a3b8;
    font-size: 9px;
    font-weight: 800;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    cursor: pointer;
    text-align: left;
}

.aratt-diag-section__head:hover {
    color: #cbd5e1;
}

.aratt-diag-section__body {
    display: none;
    padding: 0 8px 8px;
}

.aratt-diag-section.aratt-diag-section--open .aratt-diag-section__body {
    display: block;
}

.aratt-diag-kv {
    margin: 0;
    font-family: ui-monospace, 'Cascadia Code', Consolas, monospace;
    font-size: 9px;
    line-height: 1.45;
    white-space: pre-wrap;
    word-break: break-word;
    color: rgba(226, 232, 240, 0.92);
}

.aratt-diag-kv dt {
    margin-top: 4px;
    color: rgba(125, 211, 252, 0.85);
    font-weight: 700;
}

.aratt-diag-kv dd {
    margin: 0 0 2px;
    padding-left: 0;
}

.aratt-diag-events {
    max-height: 140px;
    overflow-y: auto;
    font-family: ui-monospace, Consolas, monospace;
    font-size: 8.5px;
    line-height: 1.4;
    color: rgba(203, 213, 225, 0.95);
    white-space: pre-wrap;
    word-break: break-word;
}

.aratt-diag-status {
    font-size: 9px;
    color: #86efac;
    min-height: 14px;
}

.aratt-diag-status.aratt-diag-status--err {
    color: #fca5a5;
}

.aratt-diag-banner {
    margin: 0 8px 6px;
    padding: 4px 6px;
    border-radius: 6px;
    background: rgba(251, 146, 60, 0.12);
    border: 1px solid rgba(251, 146, 60, 0.25);
    color: #fdba74;
    font-size: 8px;
    line-height: 1.35;
}