/* =========================================================================
   v2 multi-instance UI styles.

   Hard rules from REFACTOR_DESIGN Section 7:
   - Paper instances → green (#22c55e)
   - Live instances  → red   (#dc2626)
   - Per-instance banner is GIANT, with a colored band on the side.
   - Confirmation modals echo the instance label loudly, in their own banner.
   ========================================================================= */

:root {
    --inst-paper: #22c55e;
    --inst-paper-soft: rgba(34, 197, 94, 0.18);
    --inst-paper-edge: rgba(34, 197, 94, 0.55);
    --inst-live: #dc2626;
    --inst-live-soft: rgba(220, 38, 38, 0.20);
    --inst-live-edge: rgba(220, 38, 38, 0.65);
    --inst-disabled: #5a626c;
    --inst-disabled-soft: rgba(90, 98, 108, 0.18);
}

/* ---------- Admin-only visibility (closes CRIT-3 from UI audit) ----------
   Pages mark elements admin-only; auth-bootstrap.js toggles `.admin-visible`
   on <body> when the user is admin. Without this rule, admin-only items are
   hidden by default. */
body:not(.admin-visible) .admin-only { display: none !important; }

/* ==========================================================================
   Top app bar (shared by every authenticated page)
   ========================================================================== */

.app-topbar {
    display: flex;
    align-items: center;
    /* Allow nav links + status/auth widgets to wrap onto a second row
       on narrow viewports instead of overflowing past the right edge. */
    flex-wrap: wrap;
    gap: 18px;
    padding: 12px 24px;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 50;
}
.app-topbar__brand {
    font-weight: 800;
    letter-spacing: 0.04em;
    color: var(--text-primary);
    text-decoration: none;
    font-size: 1rem;
}
.app-topbar__nav {
    display: flex;
    /* Wrap nav links rather than overflowing the page on narrow
       viewports (the 11-link nav exceeds ~1100px in one row). */
    flex-wrap: wrap;
    row-gap: 6px;
    gap: 14px;
    margin-right: auto;
}
.app-topbar__nav a {
    color: var(--text-secondary);
    text-decoration: none;
    padding: 6px 10px;
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
}
.app-topbar__nav a:hover { color: var(--text-primary); background: var(--bg-card); }
.app-topbar__status {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.8rem;
    color: var(--text-secondary);
}
.app-topbar__status [data-status="healthy"] {
    width: 9px; height: 9px; border-radius: 50%;
    background: var(--inst-paper); display: inline-block;
}
.app-topbar__status [data-status="degraded"] {
    width: 9px; height: 9px; border-radius: 50%;
    background: var(--warning); display: inline-block;
}
.app-topbar__status [data-status="waiting-2fa"] {
    width: 9px; height: 9px; border-radius: 50%;
    background: #f59e0b; display: inline-block;
    animation: status-pulse 1.4s ease-in-out infinite;
}
@keyframes status-pulse {
    0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(245, 158, 11, 0.7); }
    50%      { opacity: 0.6; box-shadow: 0 0 0 4px rgba(245, 158, 11, 0); }
}
.app-topbar__status [data-status="down"],
.app-topbar__status [data-status="unknown"] {
    width: 9px; height: 9px; border-radius: 50%;
    background: var(--text-muted); display: inline-block;
}
.app-topbar__user {
    font-size: 0.85rem;
    color: var(--text-secondary);
}
.app-topbar__btn {
    border: 1px solid var(--border);
    background: var(--bg-card);
    color: var(--text-primary);
    padding: 6px 12px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 0.8rem;
    text-decoration: none;
    display: inline-block;
}
.app-topbar__btn:hover { background: var(--bg-card-hover); }

/* ==========================================================================
   Dashboard (index.html)
   ========================================================================== */

.dash-wrapper {
    max-width: 1400px;
    margin: 0 auto;
    padding: 24px;
}
.dash-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 24px;
    margin-bottom: 16px;
    flex-wrap: wrap;
}
.dash-header h1 { font-size: 1.4rem; }
.dash-header .dash-actions { display: flex; gap: 10px; flex-wrap: wrap; }
.dash-summary {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 12px;
    margin-bottom: 24px;
}
.dash-stat {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 14px 16px;
}
.dash-stat-label {
    font-size: 0.7rem;
    text-transform: uppercase;
    color: var(--text-secondary);
    letter-spacing: 0.06em;
    margin-bottom: 6px;
}
.dash-stat-value { font-size: 1.4rem; font-weight: 700; font-family: monospace; }
.dash-stat-value.pos { color: var(--inst-paper); }
.dash-stat-value.neg { color: var(--inst-live); }

.dash-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
    gap: 18px;
}

.dash-empty {
    grid-column: 1 / -1;
    text-align: center;
    color: var(--text-secondary);
    padding: 40px;
    background: var(--bg-card);
    border: 1px dashed var(--border);
    border-radius: var(--radius-lg);
}
.dash-empty.error { color: var(--inst-live); border-color: var(--inst-live-edge); }

/* ---------- Instance card ---------- */

.card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    border: 2px solid transparent;
    padding: 16px 16px 12px 18px;
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    gap: 14px;
}
.card--paper { border-color: var(--inst-paper-edge); }
.card--live  { border-color: var(--inst-live-edge); box-shadow: 0 0 0 1px var(--inst-live-soft) inset; }
.card--disabled { opacity: 0.55; border-color: var(--inst-disabled); }
.card-band {
    position: absolute;
    left: 0; top: 0; bottom: 0;
    width: 6px;
}
.card-band--paper { background: var(--inst-paper); }
.card-band--live  { background: var(--inst-live); }

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 10px;
}
.card-label-block { display: flex; flex-direction: column; gap: 4px; }
.card-pill {
    font-size: 0.65rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    padding: 3px 8px;
    border-radius: 999px;
    align-self: flex-start;
}
.card-pill--paper { background: var(--inst-paper-soft); color: var(--inst-paper); }
.card-pill--live  { background: var(--inst-live-soft); color: var(--inst-live); }
.card-label {
    font-size: 1rem;
    font-weight: 700;
    margin: 0;
    letter-spacing: 0.02em;
}
.card-status {
    font-size: 0.7rem;
    text-transform: uppercase;
    color: var(--text-secondary);
    padding: 3px 8px;
    background: var(--bg-secondary);
    border-radius: var(--radius-sm);
}
.card-status--running { color: var(--inst-paper); }
.card-status--stopped { color: var(--warning); }
.card-status--error   { color: var(--inst-live); }
.card-status--disabled { color: var(--inst-disabled); }
/* "degraded": engine is_running but broker is TCP-connected without
   completed IBC 2FA handshake (gateway sitting on auth dialog).
   Pulses to draw attention — uses the same status-pulse animation
   the topbar's "Waiting on 2FA" indicator uses (added in 963a441)
   so chrome + cards share one visual cue. */
.card-status--degraded {
    color: #f59e0b;
    animation: status-pulse 1.4s ease-in-out infinite;
}
.dash-stat-value.warn { color: #f59e0b; }

.card-metrics {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
    margin: 0;
}
.card-metrics div {
    background: var(--bg-secondary);
    padding: 8px 10px;
    border-radius: var(--radius-sm);
}
.card-metrics dt {
    font-size: 0.65rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}
.card-metrics dd {
    margin: 2px 0 0 0;
    font-size: 1.05rem;
    font-weight: 700;
    font-family: monospace;
}
.card-metrics dd.pos { color: var(--inst-paper); }
.card-metrics dd.neg { color: var(--inst-live); }

/* Dashboard cards moved from 2x2 to 3x2 to surface realized + unrealized
   + total alongside positions / armed / last-bar. Same card width — the
   per-tile font-size shrinks slightly to absorb the extra column without
   widening the card. Mobile breakpoint falls back to 2 columns so the
   tiles don't squash to unreadable width on narrow screens. */
.card-metrics.card-metrics--3col {
    grid-template-columns: repeat(3, 1fr);
    gap: 6px;
}
.card-metrics.card-metrics--3col div {
    padding: 6px 8px;
}
.card-metrics.card-metrics--3col dd {
    font-size: 0.95rem;
}
@media (max-width: 460px) {
    .card-metrics.card-metrics--3col {
        grid-template-columns: repeat(2, 1fr);
    }
}

.card-actions {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}
.card-btn {
    flex: 1 1 auto;
    text-align: center;
    border: 1px solid var(--border);
    background: var(--bg-secondary);
    color: var(--text-primary);
    padding: 7px 10px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 0.82rem;
    text-decoration: none;
    font-weight: 600;
}
.card-btn:hover { background: var(--bg-card-hover); }
.card-btn--primary {
    background: var(--accent);
    border-color: var(--accent);
}
.card-btn--secondary { color: var(--text-secondary); }
.card-stamp {
    font-size: 0.7rem;
    color: var(--text-muted);
    text-align: right;
}

/* ==========================================================================
   Per-instance drill-down page (instance.html)
   ========================================================================== */

.instance-wrapper { max-width: 1400px; margin: 0 auto; padding: 0 24px 24px; }

.instance-banner {
    position: relative;
    margin: 24px 0;
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: var(--bg-card);
    padding: 22px 28px 22px 36px;
    border: 2px solid var(--border);
}
.instance-banner[data-mode="paper"] { border-color: var(--inst-paper-edge); }
.instance-banner[data-mode="live"]  { border-color: var(--inst-live-edge); box-shadow: 0 0 0 2px var(--inst-live-soft) inset; }
.banner-band {
    position: absolute; left: 0; top: 0; bottom: 0;
    width: 10px;
}
.banner-band--paper { background: var(--inst-paper); }
.banner-band--live  { background: var(--inst-live); }
.banner-inner { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }
.banner-pill {
    font-size: 0.9rem;
    font-weight: 800;
    letter-spacing: 0.12em;
    padding: 6px 14px;
    border-radius: 999px;
    text-transform: uppercase;
}
.banner-pill--paper { background: var(--inst-paper-soft); color: var(--inst-paper); }
.banner-pill--live  { background: var(--inst-live); color: white; }
.banner-label {
    font-size: 2rem;
    font-weight: 800;
    letter-spacing: 0.04em;
    margin: 0;
}
.banner-status {
    margin-left: auto;
    color: var(--text-secondary);
    font-size: 0.85rem;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}
.banner-status-dot {
    width: 10px; height: 10px; border-radius: 50%;
    background: var(--text-muted);
    display: inline-block;
}
.banner-status-dot[data-status="running"] { background: var(--inst-paper); }
.banner-status-dot[data-status="stopped"] { background: var(--warning); }
.banner-status-dot[data-status="error"]   { background: var(--inst-live); }

.banner-actions {
    display: flex;
    gap: 8px;
    margin-top: 14px;
    flex-wrap: wrap;
}
.banner-btn {
    background: var(--inst-live);
    color: white;
    border: none;
    padding: 8px 14px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-weight: 700;
    font-size: 0.85rem;
    text-decoration: none;
}
.banner-btn:hover { filter: brightness(1.1); }
.banner-btn--ghost {
    background: var(--bg-secondary);
    color: var(--text-primary);
    border: 1px solid var(--border);
    font-weight: 500;
}

/* ---------- Tabs ---------- */
.tabs {
    display: flex;
    gap: 0;
    border-bottom: 1px solid var(--border);
    margin-bottom: 16px;
    overflow-x: auto;
}
.tab {
    background: transparent;
    color: var(--text-secondary);
    border: none;
    padding: 10px 16px;
    cursor: pointer;
    font-weight: 600;
    border-bottom: 2px solid transparent;
}
.tab:hover { color: var(--text-primary); }
.tab.active { color: var(--text-primary); border-bottom-color: var(--accent); }
.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* ---------- Tables ---------- */
.data-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--bg-card);
    border-radius: var(--radius-md);
    overflow: hidden;
}
.data-table thead th {
    background: var(--bg-secondary);
    text-align: left;
    padding: 10px 12px;
    font-size: 0.75rem;
    text-transform: uppercase;
    color: var(--text-secondary);
    letter-spacing: 0.05em;
}
.data-table tbody td {
    padding: 10px 12px;
    border-top: 1px solid var(--border);
    font-family: monospace;
    font-size: 0.85rem;
}
.data-table tbody td.pos { color: var(--inst-paper); }
.data-table tbody td.neg { color: var(--inst-live); }
.data-table tbody td.empty,
.data-table tbody td.error { text-align: center; color: var(--text-secondary); font-family: inherit; }
.data-table tbody td.error { color: var(--inst-live); }

.row-btn {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    color: var(--text-primary);
    padding: 4px 10px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 0.78rem;
}
.row-btn:hover { background: var(--accent); border-color: var(--accent); }

.tab-stamp {
    font-size: 0.72rem;
    color: var(--text-muted);
    margin-bottom: 6px;
    text-align: right;
}

/* ---------- Settings tab ---------- */
.settings-warn {
    background: var(--warning-soft);
    border-left: 4px solid var(--warning);
    padding: 10px 14px;
    border-radius: var(--radius-sm);
    margin-bottom: 14px;
    font-weight: 600;
}
.settings-warn--live {
    background: var(--inst-live-soft);
    border-left-color: var(--inst-live);
    color: var(--inst-live);
}
.settings-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 8px;
}
.setting-row {
    display: grid;
    grid-template-columns: 280px 1fr auto;
    gap: 10px;
    align-items: center;
    background: var(--bg-card);
    padding: 8px 12px;
    border-radius: var(--radius-sm);
}
.setting-row label {
    font-family: monospace;
    font-size: 0.8rem;
    color: var(--text-secondary);
}
.setting-row input {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    color: var(--text-primary);
    padding: 6px 10px;
    border-radius: var(--radius-sm);
    font-family: monospace;
    font-size: 0.85rem;
}

.risk-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 12px;
    margin: 0;
}
.risk-grid > div {
    background: var(--bg-card);
    padding: 12px 14px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
}
.risk-grid dt {
    font-size: 0.7rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}
.risk-grid dd {
    font-size: 1.1rem;
    font-weight: 700;
    font-family: monospace;
    margin: 4px 0 0 0;
}
.risk-grid dd.pos { color: var(--inst-paper); }
.risk-grid dd.neg { color: var(--inst-live); }

.diag-pre {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 14px;
    font-family: monospace;
    font-size: 0.8rem;
    color: var(--text-secondary);
    white-space: pre-wrap;
    word-break: break-word;
    max-height: 70vh;
    overflow: auto;
}

/* ==========================================================================
   Compare-settings page
   ========================================================================== */
.cs-wrapper { max-width: 1400px; margin: 0 auto; padding: 24px; }
.cs-picker-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 8px;
    margin: 12px 0;
}
.cs-pick-row {
    display: flex; align-items: center; gap: 8px;
    padding: 8px 10px;
    border-radius: var(--radius-sm);
    background: var(--bg-card);
    border: 1px solid var(--border);
    cursor: pointer;
}
.cs-pick-row--paper { border-left: 4px solid var(--inst-paper); }
.cs-pick-row--live  { border-left: 4px solid var(--inst-live); }
.cs-pill {
    font-size: 0.65rem;
    font-weight: 800;
    padding: 2px 7px;
    border-radius: 999px;
    text-transform: uppercase;
}
.cs-pill--paper { background: var(--inst-paper-soft); color: var(--inst-paper); }
.cs-pill--live  { background: var(--inst-live-soft); color: var(--inst-live); }
.cs-pick-go {
    background: var(--accent);
    color: white;
    border: none;
    padding: 8px 14px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-weight: 700;
    margin-bottom: 18px;
}

.cs-toggle { display: inline-block; margin-bottom: 10px; color: var(--text-secondary); font-size: 0.85rem; }

.cs-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--bg-card);
    border-radius: var(--radius-md);
    overflow: hidden;
    table-layout: fixed;
}
.cs-table thead th {
    background: var(--bg-secondary);
    padding: 10px 12px;
    text-align: left;
    font-size: 0.78rem;
    color: var(--text-secondary);
    text-transform: uppercase;
}
.cs-table thead .cs-h--paper { border-top: 3px solid var(--inst-paper); }
.cs-table thead .cs-h--live  { border-top: 3px solid var(--inst-live); }
.cs-table tbody td {
    padding: 8px 12px;
    border-top: 1px solid var(--border);
    font-family: monospace;
    font-size: 0.8rem;
    word-break: break-word;
}
.cs-table tbody td.cs-key { color: var(--text-secondary); }
.cs-table tbody tr.cs-row--diff td {
    background: var(--inst-live-soft);
}
.cs-table tbody tr.cs-row--diff td.cs-val--diff {
    color: var(--inst-live);
    font-weight: 700;
}

/* ==========================================================================
   Admin → Instances page
   ========================================================================== */
.ai-wrapper { max-width: 1400px; margin: 0 auto; padding: 24px; }
.ai-table { width: 100%; border-collapse: collapse; background: var(--bg-card); }
.ai-table th, .ai-table td {
    padding: 10px 12px;
    border-bottom: 1px solid var(--border);
    text-align: left;
    font-size: 0.85rem;
}
.ai-table th {
    background: var(--bg-secondary);
    text-transform: uppercase;
    font-size: 0.72rem;
    color: var(--text-secondary);
    letter-spacing: 0.05em;
}
.ai-row--paper td:first-child { border-left: 4px solid var(--inst-paper); }
.ai-row--live  td:first-child { border-left: 4px solid var(--inst-live); }
.ai-pill {
    font-size: 0.65rem;
    font-weight: 800;
    padding: 2px 7px;
    border-radius: 999px;
    text-transform: uppercase;
}
.ai-pill--paper { background: var(--inst-paper-soft); color: var(--inst-paper); }
.ai-pill--live  { background: var(--inst-live-soft); color: var(--inst-live); }
.ai-toggle.on  { color: var(--inst-paper); font-weight: 700; }
.ai-toggle.off { color: var(--inst-disabled); }

/* ==========================================================================
   Confirmation modal (every destructive action)
   ========================================================================== */
.cm-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    padding: 20px;
}
.cm-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: 24px 26px 22px 32px;
    max-width: 540px;
    width: 100%;
    border: 2px solid var(--border);
    position: relative;
    overflow: hidden;
}
.cm-card--paper { border-color: var(--inst-paper-edge); }
.cm-card--live  { border-color: var(--inst-live-edge); box-shadow: 0 0 0 2px var(--inst-live-soft) inset; }
.cm-card--danger { /* visual cue for destructive ops */ }
.cm-band {
    position: absolute;
    left: 0; top: 0; bottom: 0;
    width: 8px;
}
.cm-band--paper { background: var(--inst-paper); }
.cm-band--live  { background: var(--inst-live); }
.cm-title {
    font-size: 1.25rem;
    font-weight: 800;
    margin: 0 0 12px 0;
    line-height: 1.3;
    letter-spacing: 0.01em;
}
.cm-instance-row {
    display: flex; align-items: center; gap: 10px; margin-bottom: 14px;
}
.cm-pill {
    font-size: 0.7rem;
    font-weight: 800;
    padding: 4px 10px;
    border-radius: 999px;
    text-transform: uppercase;
}
.cm-pill--paper { background: var(--inst-paper-soft); color: var(--inst-paper); }
.cm-pill--live  { background: var(--inst-live); color: white; }
.cm-instance-label {
    font-family: monospace;
    font-weight: 700;
    color: var(--text-primary);
}
.cm-details {
    background: var(--bg-secondary);
    padding: 10px 12px;
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-size: 0.88rem;
    margin-bottom: 14px;
}
.cm-actions {
    display: flex;
    gap: 8px;
    justify-content: flex-end;
    flex-wrap: wrap;
}
.cm-btn {
    border: 1px solid var(--border);
    background: var(--bg-secondary);
    color: var(--text-primary);
    padding: 9px 16px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-weight: 700;
    font-size: 0.88rem;
}
.cm-btn:disabled { opacity: 0.6; cursor: not-allowed; }
.cm-btn--secondary { color: var(--text-secondary); }
.cm-btn--ghost { background: transparent; color: var(--text-muted); }
.cm-btn--paper { background: var(--inst-paper); color: white; border-color: var(--inst-paper); }
.cm-btn--live  { background: var(--inst-live); color: white; border-color: var(--inst-live); }
.cm-btn--armed { box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.05); }
.cm-confirm-label { letter-spacing: 0.02em; }
.cm-countdown { font-variant-numeric: tabular-nums; }

/* Flatten-all per-instance picker */
.fa-list {
    max-height: 320px;
    overflow-y: auto;
    margin-bottom: 14px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 8px;
    background: var(--bg-secondary);
}
.fa-row {
    display: flex; align-items: center; gap: 10px;
    padding: 6px 8px;
    border-radius: var(--radius-sm);
    cursor: pointer;
}
.fa-row:hover { background: var(--bg-card); }
.fa-row--paper { border-left: 3px solid var(--inst-paper); margin-left: 2px; }
.fa-row--live  { border-left: 3px solid var(--inst-live); margin-left: 2px; }
.fa-pill {
    font-size: 0.62rem;
    font-weight: 800;
    padding: 2px 7px;
    border-radius: 999px;
    text-transform: uppercase;
}
.fa-pill--paper { background: var(--inst-paper-soft); color: var(--inst-paper); }
.fa-pill--live  { background: var(--inst-live-soft); color: var(--inst-live); }
.fa-meta { margin-left: auto; color: var(--text-muted); font-size: 0.78rem; font-family: monospace; }

.error { color: var(--inst-live); }
.empty { color: var(--text-muted); }
