/* ══════════════════════════════════════════════════════════════════════
   ASP OBSIDIAN — V16.0.0 COMPONENT LAYER (final production §30-33)
   Dark obsidian terminal product + porcelain public site.
   Restrained: borders carry depth; no gradients/glow/glass.
   ══════════════════════════════════════════════════════════════════════ */

/* ══════════════════ 1. APP SHELL ════════════════════════════════════ */
.mdn-app {
    display: grid;
    grid-template-columns: var(--rail-w) 1fr;
    grid-template-rows: var(--topbar-h) 1fr;
    grid-template-areas: "rail topbar" "rail main";
    min-height: 100vh;
    background: var(--bg);
}
.mdn-app.no-rail, body.no-sidebar .mdn-app {
    grid-template-columns: 1fr;
    grid-template-areas: "topbar" "main";
}
.mdn-main {
    grid-area: main;
    min-width: 0;
    padding: var(--space-6);
    overflow-x: hidden;
}
@media (max-width: 1024px) { .mdn-main { padding: var(--space-4); } }

/* ── Rail (dark command rail) ── */
.mdn-rail {
    grid-area: rail;
    background: var(--bg-deep);
    border-right: 1px solid var(--line-soft);
    display: flex;
    flex-direction: column;
    overflow-y: auto;
    overflow-x: hidden;
    scrollbar-width: thin;
    scrollbar-color: var(--line-2) transparent;
}
.rail-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 14px 16px;
    border-bottom: 1px solid var(--line-soft);
    position: sticky;
    top: 0;
    background: var(--bg-deep);
    z-index: 2;
}
.rail-brand .mark {
    width: 26px; height: 26px;
    display: grid; place-items: center;
    background: var(--accent);
    color: var(--accent-ink);
    border-radius: 7px;
    font-family: var(--display);
    font-weight: 700;
    font-size: 15px;
}
.rail-brand .word { display: flex; flex-direction: column; line-height: 1.1; }
.rail-brand .word b { font-family: var(--display); font-size: 14px; color: var(--ink); letter-spacing: -0.01em; }
.rail-brand .word span { font-family: var(--mono); font-size: 9px; color: var(--dimmer); letter-spacing: 0.14em; text-transform: uppercase; }

.rail-group { padding: 10px 0 4px; }
.rail-group > .g-label {
    font-family: var(--mono);
    font-size: 9.5px;
    font-weight: 600;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--dimmer);
    padding: 4px 16px 6px;
}
.rail-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 7px 16px 7px 13px;
    color: var(--dim);
    text-decoration: none;
    font-size: var(--text-md);
    border-left: 2px solid transparent;
    transition: color var(--t-fast) var(--ease), background var(--t-fast) var(--ease);
    white-space: nowrap;
    overflow: hidden;
}
.rail-item .ic { width: 17px; text-align: center; font-size: 13px; opacity: 0.85; flex: none; }
.rail-item:hover { color: var(--ink); background: rgba(255, 255, 255, 0.03); }
.rail-item.active {
    color: var(--accent-hover);
    background: var(--accent-soft);
    border-left-color: var(--accent);
    font-weight: 600;
}
.rail-sub { padding-left: 14px; }
.rail-sub .rail-item { font-size: var(--text-sm); padding: 5px 14px 5px 12px; }
.rail-foot {
    margin-top: auto;
    padding: 12px 16px;
    border-top: 1px solid var(--line-soft);
    font-family: var(--mono);
    font-size: 9.5px;
    color: var(--dimmer);
    letter-spacing: 0.08em;
}

/* ── Topbar ── */
.mdn-topbar {
    grid-area: topbar;
    display: flex;
    align-items: center;
    gap: var(--space-4);
    padding: 0 var(--space-5);
    background: var(--panel);
    border-bottom: 1px solid var(--line);
    min-width: 0;
}
.mdn-topbar .crumb {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: var(--text-sm);
    color: var(--dim);
    min-width: 0;
    overflow: hidden;
}
.mdn-topbar .crumb b { color: var(--ink); font-weight: 600; }
.topbar-spacer { flex: 1; }
.topbar-user {
    display: flex;
    align-items: center;
    gap: 10px;
}
.uchip {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 5px 12px;
    background: var(--panel-2);
    border: 1px solid var(--line);
    border-radius: 999px;
    font-size: var(--text-sm);
    color: var(--ink-2);
    text-decoration: none;
}
.uchip:hover { border-color: var(--line-2); color: var(--ink); }
.brand-chip {
    display: none;
    align-items: center;
    gap: 9px;
    font-family: var(--display);
    font-weight: 600;
    color: var(--ink);
    text-decoration: none;
    font-size: 14px;
}
body.no-sidebar .brand-chip, .mdn-app.no-rail .brand-chip { display: flex; }
.brand-chip .mark {
    width: 24px; height: 24px;
    display: grid; place-items: center;
    background: var(--accent);
    color: var(--accent-ink);
    border-radius: 6px;
    font-weight: 700;
    font-size: 14px;
}
#railToggleTop { display: none; }
body.no-sidebar #railToggleTop { display: none !important; }

/* ── Page head ── */
.mdn-page-head {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: var(--space-4);
    padding-bottom: var(--space-4);
    margin-bottom: var(--space-5);
    border-bottom: 1px solid var(--line-soft);
    flex-wrap: wrap;
}
.mdn-page-head h1 {
    font-size: var(--text-2xl);
    margin: 0;
    color: var(--ink);
}
.mdn-page-head .sub { margin: 4px 0 0; color: var(--dim); font-size: var(--text-md); }

/* ══════════════════ 2. SURFACES ═════════════════════════════════════ */
.mdn-panel, .panel, .card {
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    overflow: hidden;
}
.mdn-panel-head, .panel-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-3);
    padding: 12px 16px;
    border-bottom: 1px solid var(--line-soft);
}
.mdn-panel-head .t, .panel-head .t {
    font-family: var(--display);
    font-size: var(--text-lg);
    font-weight: 600;
    color: var(--ink);
    margin: 0;
}
.mdn-panel-head .sub { color: var(--dim); font-size: var(--text-xs); }
.mdn-panel-body, .panel-body { padding: 16px; }

.kpi {
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 14px 16px;
    display: flex;
    flex-direction: column;
    gap: 6px;
    min-width: 0;
}
.kpi .k-label {
    font-family: var(--mono);
    font-size: 9.5px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--dimmer);
}
.kpi .kpi-value, .kpi .k-value {
    font-family: var(--mono);
    font-variant-numeric: tabular-nums;
    font-size: 22px;
    font-weight: 600;
    color: var(--ink);
    line-height: 1.1;
}
.kpi .k-sub { font-size: var(--text-xs); color: var(--dim); }
.kpi.ok .kpi-value, .kpi .k-value.pos { color: var(--up); }
.kpi.bad .kpi-value, .kpi .k-value.neg { color: var(--down); }
.kpi.warn .kpi-value { color: var(--warn); }

/* ══════════════════ 3. TABLES (terminal density) ═══════════════════ */
.mdn-table, table.data, .qt-table {
    width: 100%;
    border-collapse: collapse;
    font-size: var(--text-sm);
    font-variant-numeric: tabular-nums;
}
.mdn-table th, table.data th, .qt-table th {
    font-family: var(--mono);
    font-size: 9.5px;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--dimmer);
    text-align: left;
    padding: 9px 12px;
    border-bottom: 1px solid var(--line);
    background: var(--panel-2);
    position: sticky;
    top: 0;
    z-index: 1;
    white-space: nowrap;
}
.mdn-table td, table.data td, .qt-table td {
    padding: 9px 12px;
    border-bottom: 1px solid var(--line-soft);
    color: var(--ink-2);
    vertical-align: middle;
    white-space: nowrap;
}
.mdn-table tbody tr, .qt-table tbody tr { transition: background var(--t-fast) var(--ease); }
.mdn-table tbody tr:hover, .qt-table tbody tr:hover { background: rgba(43, 181, 150, 0.05); }
.mdn-table td b, .qt-table td b { color: var(--ink); font-weight: 600; }
.tbl-wrap { overflow-x: auto; border-radius: var(--radius); border: 1px solid var(--line); }
.tbl-wrap table { border: 0; }

/* ══════════════════ 4. PILLS / BADGES ══════════════════════════════ */
.mdn-badge, .pill, .qt-pill {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 3px 9px;
    border-radius: 999px;
    font-family: var(--mono);
    font-size: 9.5px;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    background: var(--pill-idle-bg);
    color: var(--pill-idle-ink);
    white-space: nowrap;
}
.mdn-badge.ok, .pill.ok, .qt-pill.ok     { background: var(--pill-ok-bg);   color: var(--pill-ok-ink); }
.mdn-badge.bad, .pill.bad, .qt-pill.bad  { background: var(--pill-bad-bg);  color: var(--pill-bad-ink); }
.mdn-badge.warn, .pill.warn              { background: var(--pill-warn-bg); color: var(--pill-warn-ink); }
.mdn-badge.info, .pill.info              { background: var(--pill-info-bg); color: var(--pill-info-ink); }
.mdn-badge.buy  { background: var(--up-soft);   color: var(--up); }
.mdn-badge.sell { background: var(--down-soft); color: var(--down); }
.mdn-badge.neutral { background: var(--pill-idle-bg); color: var(--pill-idle-ink); }
.mdn-badge.primary { background: var(--accent-soft); color: var(--accent-hover); }

/* pipeline state pills (§6) */
.pipe-pill { display: inline-flex; align-items: center; gap: 6px; font-family: var(--mono); font-size: 9.5px; letter-spacing: 0.05em; text-transform: uppercase; font-weight: 600; padding: 3px 9px; border-radius: 4px; }
.pipe-pill .dot { width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
.pipe-pill.done    { background: var(--pill-ok-bg);   color: var(--pill-ok-ink); }
.pipe-pill.active  { background: var(--accent-soft);  color: var(--accent-hover); }
.pipe-pill.pending { background: var(--pill-idle-bg); color: var(--pill-idle-ink); }
.pipe-pill.error   { background: var(--pill-bad-bg);  color: var(--pill-bad-ink); }

/* ══════════════════ 5. BUTTONS / FORMS ═════════════════════════════ */
.mdn-btn, .btn, button.primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 7px;
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--line-2);
    background: var(--panel-2);
    color: var(--ink-2);
    font-family: var(--sans);
    font-size: var(--text-md);
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    transition: all var(--t-fast) var(--ease);
    white-space: nowrap;
}
.mdn-btn:hover, .btn:hover { border-color: var(--dimmer); color: var(--ink); }
.mdn-btn.primary, .btn.primary {
    background: var(--accent);
    border-color: var(--accent);
    color: var(--accent-ink);
}
.mdn-btn.primary:hover, .btn.primary:hover { background: var(--accent-hover); border-color: var(--accent-hover); }
.mdn-btn.ghost, .btn.ghost { background: transparent; border-color: var(--line); }
.mdn-btn.danger, .btn.danger { background: transparent; border-color: rgba(240, 97, 109, 0.5); color: var(--down); }
.mdn-btn.danger:hover { background: var(--down-soft); }
.mdn-btn.sm, .btn.sm { padding: 5px 11px; font-size: var(--text-sm); }

input, select, textarea, .mdn-input, .mdn-select {
    background: var(--bg-deep);
    border: 1px solid var(--line);
    border-radius: var(--radius-sm);
    color: var(--ink);
    padding: 8px 12px;
    font-family: var(--sans);
    font-size: var(--text-md);
    outline: none;
    transition: border-color var(--t-fast) var(--ease);
    max-width: 100%;
}
input:focus, select:focus, textarea:focus, .mdn-input:focus {
    border-color: var(--accent);
    box-shadow: var(--focus-ring);
}
input::placeholder { color: var(--dimmer); }
label, .fld-label {
    display: block;
    font-size: var(--text-xs);
    font-weight: 600;
    letter-spacing: 0.04em;
    color: var(--dim);
    margin-bottom: 5px;
    text-transform: uppercase;
    font-family: var(--mono);
}

/* ══════════════════ 6. PUBLIC SITE (porcelain) ═════════════════════ */
body.pub-body {
    background: var(--pub-bg);
    color: var(--pub-ink);
    font-family: var(--sans);
}
.pub-nav {
    position: sticky;
    top: 0;
    z-index: var(--z-sticky);
    background: rgba(250, 250, 248, 0.92);
    backdrop-filter: saturate(1.2) blur(8px);
    border-bottom: 1px solid var(--pub-line);
}
.pub-nav .inner {
    max-width: 1180px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    gap: 28px;
    padding: 0 24px;
    height: 64px;
}
.pub-nav .logo { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.pub-nav .logo .mark {
    width: 30px; height: 30px;
    display: grid; place-items: center;
    background: var(--pub-ink);
    color: #FFFFFF;
    border-radius: 8px;
    font-family: var(--display);
    font-weight: 700;
    font-size: 17px;
}
.pub-nav .logo b { font-family: var(--display); font-size: 16.5px; color: var(--pub-ink); letter-spacing: -0.01em; }
.pub-nav .links { display: flex; gap: 4px; align-items: center; }
.pub-nav .links a {
    padding: 8px 13px;
    border-radius: 7px;
    color: var(--pub-ink-2);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
}
.pub-nav .links a:hover, .pub-nav .links a.on { background: var(--pub-accent-soft); color: var(--pub-accent-deep); }
.pub-nav .cta { margin-left: auto; display: flex; gap: 10px; align-items: center; }
.pub-btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    padding: 10px 20px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 14.5px;
    text-decoration: none;
    border: 1px solid transparent;
    transition: all var(--t-fast) var(--ease);
    white-space: nowrap;
}
.pub-btn.solid { background: var(--pub-ink); color: #fff; }
.pub-btn.solid:hover { background: #000; transform: translateY(-1px); }
.pub-btn.jade { background: var(--pub-accent); color: #fff; }
.pub-btn.jade:hover { background: var(--pub-accent-deep); }
.pub-btn.line { border-color: var(--pub-line-2); color: var(--pub-ink); }
.pub-btn.line:hover { border-color: var(--pub-ink); }
.pub-btn.sm { padding: 7px 14px; font-size: 13px; }

.pub-wrap { max-width: 1180px; margin: 0 auto; padding: 0 24px; }
.pub-section { padding: 88px 0; }
.pub-section.tight { padding: 56px 0; }
.pub-eyebrow {
    font-family: var(--mono);
    font-size: 11px;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--pub-accent);
    font-weight: 600;
    margin-bottom: 14px;
}
.pub-h1 {
    font-family: var(--display);
    font-size: var(--text-hero);
    line-height: 1.06;
    letter-spacing: -0.02em;
    color: var(--pub-ink);
    margin: 0 0 18px;
    font-weight: 600;
}
.pub-h2 { font-family: var(--display); font-size: clamp(26px, 3vw, 38px); line-height: 1.12; letter-spacing: -0.015em; margin: 0 0 14px; color: var(--pub-ink); font-weight: 600; }
.pub-lead { font-size: 17.5px; line-height: 1.65; color: var(--pub-ink-2); max-width: 640px; }
.pub-muted { color: var(--pub-dim); }

.pub-card {
    background: var(--pub-panel);
    border: 1px solid var(--pub-line);
    border-radius: 12px;
    padding: 24px;
    transition: border-color var(--t-fast) var(--ease), transform var(--t-fast) var(--ease);
}
.pub-card:hover { border-color: var(--pub-accent); transform: translateY(-2px); }
.pub-card h3 { font-family: var(--display); font-size: 17px; margin: 12px 0 8px; color: var(--pub-ink); }
.pub-card p { font-size: 14px; line-height: 1.6; color: var(--pub-dim); margin: 0; }
.pub-card .ic {
    width: 38px; height: 38px;
    display: grid; place-items: center;
    border-radius: 9px;
    background: var(--pub-accent-soft);
    color: var(--pub-accent-deep);
    font-size: 17px;
}

.pub-grid { display: grid; gap: 18px; }
.pub-grid.c2 { grid-template-columns: repeat(2, 1fr); }
.pub-grid.c3 { grid-template-columns: repeat(3, 1fr); }
.pub-grid.c4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 980px) { .pub-grid.c3, .pub-grid.c4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .pub-grid.c2, .pub-grid.c3, .pub-grid.c4 { grid-template-columns: 1fr; } }

/* architecture flow diagram (§55 — show the real architecture) */
.arch-flow {
    display: flex;
    flex-direction: column;
    gap: 10px;
    background: var(--pub-panel);
    border: 1px solid var(--pub-line);
    border-radius: 14px;
    padding: 28px;
}
.arch-row { display: flex; align-items: stretch; gap: 10px; }
.arch-node {
    flex: 1;
    padding: 14px 16px;
    border: 1px solid var(--pub-line);
    border-radius: 10px;
    background: var(--pub-bg);
    min-width: 0;
}
.arch-node b { display: block; font-family: var(--display); font-size: 13.5px; color: var(--pub-ink); margin-bottom: 3px; }
.arch-node span { font-size: 11.5px; color: var(--pub-dim); line-height: 1.45; display: block; }
.arch-node.admin { border-color: rgba(14, 140, 111, 0.45); background: var(--pub-accent-soft); }
.arch-node.central { border-color: var(--pub-ink); background: var(--pub-ink); }
.arch-node.central b, .arch-node.central span { color: #fff; }
.arch-node.client { border-color: rgba(199, 68, 78, 0.35); }
.arch-arrow { display: grid; place-items: center; color: var(--pub-line-2); font-size: 16px; padding: 0 2px; }
.arch-split { display: grid; grid-template-columns: 1fr auto 1fr; gap: 10px; align-items: stretch; }

/* pricing */
.plan-card { background: var(--pub-panel); border: 1.5px solid var(--pub-line); border-radius: 14px; padding: 28px; display: flex; flex-direction: column; }
.plan-card.featured { border-color: var(--pub-accent); box-shadow: 0 12px 40px rgba(14, 140, 111, 0.10); }
.plan-card .p-name { font-family: var(--display); font-size: 18px; font-weight: 600; color: var(--pub-ink); }
.plan-card .p-price { font-family: var(--mono); font-size: 34px; font-weight: 600; color: var(--pub-ink); margin: 10px 0 2px; font-variant-numeric: tabular-nums; }
.plan-card ul { list-style: none; padding: 0; margin: 18px 0 22px; display: flex; flex-direction: column; gap: 9px; }
.plan-card ul li { display: flex; gap: 9px; font-size: 13.5px; color: var(--pub-ink-2); line-height: 1.5; }
.plan-card ul li::before { content: "—"; color: var(--pub-accent); font-weight: 700; }

/* footer */
.pub-foot { border-top: 1px solid var(--pub-line); background: var(--pub-panel); margin-top: 40px; }
.pub-foot .inner { max-width: 1180px; margin: 0 auto; padding: 48px 24px 32px; }
.pub-foot .cols { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 32px; }
@media (max-width: 860px) { .pub-foot .cols { grid-template-columns: 1fr 1fr; } }
.pub-foot h4 { font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--pub-dim); margin: 0 0 12px; }
.pub-foot a { display: block; color: var(--pub-ink-2); text-decoration: none; font-size: 13.5px; padding: 3px 0; }
.pub-foot a:hover { color: var(--pub-accent-deep); }
.pub-foot .fine { border-top: 1px solid var(--pub-line); margin-top: 36px; padding-top: 20px; display: flex; justify-content: space-between; gap: 16px; font-size: 12px; color: var(--pub-dim); flex-wrap: wrap; }

/* ══════════════════ 7. AUTH SHELL ══════════════════════════════════ */
.auth-shell { display: grid; grid-template-columns: 1fr 1fr; min-height: 100vh; }
@media (max-width: 900px) { .auth-shell { grid-template-columns: 1fr; } .auth-side { display: none !important; } }
.auth-side {
    background: var(--bg-deep);
    border-right: 1px solid var(--line-soft);
    padding: 48px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    position: relative;
    overflow: hidden;
}
.auth-side .brand { display: flex; align-items: center; gap: 11px; }
.auth-side .brand .mark { width: 34px; height: 34px; display: grid; place-items: center; background: var(--accent); color: var(--accent-ink); border-radius: 9px; font-family: var(--display); font-weight: 700; font-size: 19px; }
.auth-side .brand b { font-family: var(--display); font-size: 19px; color: var(--ink); }
.auth-side .pitch h2 { font-family: var(--display); font-size: 26px; color: var(--ink); line-height: 1.2; margin: 0 0 12px; }
.auth-side .pitch p { color: var(--dim); font-size: 14px; line-height: 1.65; max-width: 380px; }
.auth-side .stats { display: flex; gap: 28px; }
.auth-side .stats div b { display: block; font-family: var(--mono); font-size: 22px; color: var(--accent-hover); font-variant-numeric: tabular-nums; }
.auth-side .stats div span { font-size: 11px; color: var(--dimmer); letter-spacing: 0.06em; text-transform: uppercase; font-family: var(--mono); }
.auth-card-col { display: grid; place-items: center; padding: 40px 24px; background: var(--bg); }
.auth-card {
    width: 100%;
    max-width: 400px;
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    padding: 32px;
}
.auth-card h1 { font-family: var(--display); font-size: 24px; margin: 0 0 6px; color: var(--ink); }
.auth-card .sub { color: var(--dim); font-size: var(--text-md); margin: 0 0 24px; }
.auth-card .fld { margin-bottom: 16px; }

/* ══════════════════ 8. MOBILE (§32) ════════════════════════════════ */
.mdn-bottomnav, .bottom-nav {
    display: none;
    position: fixed;
    bottom: 0; left: 0; right: 0;
    height: 62px;
    background: var(--bg-deep);
    border-top: 1px solid var(--line);
    grid-area: bottomnav;
    z-index: var(--z-bottomnav);
    padding-bottom: env(safe-area-inset-bottom);
}
.mdn-bottomnav .b-inner, .bottom-nav .b-inner {
    display: grid;
    grid-auto-flow: column;
    grid-auto-columns: 1fr;
    height: 100%;
    align-items: stretch;
}
.mdn-bottomnav a, .bottom-nav a, .bottom-nav button {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 3px;
    color: var(--dimmer);
    text-decoration: none;
    font-size: 10px;
    font-family: var(--mono);
    letter-spacing: 0.04em;
    text-transform: uppercase;
    border: 0;
    background: transparent;
    cursor: pointer;
}
.mdn-bottomnav a .bic, .bottom-nav a .bic { font-size: 18px; line-height: 1; }
.mdn-bottomnav a.active, .bottom-nav a.active { color: var(--accent-hover); }

@media (max-width: 900px) {
    .mdn-rail { display: none; }
    .mdn-app { grid-template-columns: 1fr; grid-template-areas: "topbar" "main"; }
    .mdn-bottomnav, .bottom-nav { display: block; }
    .mdn-main { padding-bottom: 84px; }
    body { padding-bottom: 0; }
}

/* card tables ≤768px (§32) */
@media (max-width: 768px) {
    .cardify table, table.data, .mdn-table {
        display: block;
    }
    .cardify table thead, table.cardify-target thead { display: none; }
    .cardify table, .cardify table tbody {
        display: block;
    }
    .cardify table tr, .qt-cards tr {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 2px 12px;
        padding: 12px 14px;
        border: 1px solid var(--line);
        border-radius: var(--radius);
        margin-bottom: 10px;
        background: var(--panel);
    }
    .cardify table td, .qt-cards td {
        display: flex;
        justify-content: space-between;
        align-items: baseline;
        gap: 12px;
        border: 0;
        padding: 3px 0;
        white-space: normal;
        font-size: var(--text-sm);
    }
    .cardify table td::before, .qt-cards td::before {
        content: attr(data-label);
        font-family: var(--mono);
        font-size: 9px;
        letter-spacing: 0.1em;
        text-transform: uppercase;
        color: var(--dimmer);
        flex: none;
    }
    .tbl-wrap { overflow-x: visible; border: 0; }
}

/* ══════════════════ 9. POLISH ══════════════════════════════════════ */
.skip-link {
    position: absolute;
    left: -9999px;
    top: 0;
    background: var(--accent);
    color: var(--accent-ink);
    padding: 8px 14px;
    border-radius: 0 0 8px 0;
    z-index: 999;
    font-size: 13px;
    font-weight: 600;
}
.skip-link:focus { left: 0; }
::selection { background: rgba(43, 181, 150, 0.30); }

.flash { display: none; }
.divider { height: 1px; background: var(--line-soft); border: 0; margin: var(--space-4) 0; }
.muted { color: var(--dim); }
.pos { color: var(--up); }
.neg { color: var(--down); }

/* misc legacy component re-skin */
.tabbar { display: flex; gap: 2px; border-bottom: 1px solid var(--line); overflow-x: auto; }
.tabbar a, .tabbar button {
    padding: 9px 14px;
    color: var(--dim);
    text-decoration: none;
    font-size: var(--text-sm);
    font-weight: 600;
    border-bottom: 2px solid transparent;
    white-space: nowrap;
    background: transparent;
    border-top: 0; border-left: 0; border-right: 0;
    cursor: pointer;
}
.tabbar a.active, .tabbar button.active { color: var(--accent-hover); border-bottom-color: var(--accent); }
.tabbar a:hover { color: var(--ink); }

.grid { display: grid; gap: var(--space-4); }
.cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.cols-5 { grid-template-columns: repeat(5, minmax(0, 1fr)); }
.cols-6 { grid-template-columns: repeat(6, minmax(0, 1fr)); }
@media (max-width: 1100px) { .cols-5, .cols-6 { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
@media (max-width: 860px)  { .cols-3, .cols-4, .cols-5, .cols-6 { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 640px)  { .cols-2, .cols-3, .cols-4, .cols-5, .cols-6 { grid-template-columns: 1fr; } }

/* JSON/code blocks */
pre, code, .code {
    font-family: var(--mono);
    font-size: var(--text-sm);
    background: var(--bg-deep);
    border: 1px solid var(--line-soft);
    border-radius: var(--radius-sm);
    padding: 12px;
    overflow-x: auto;
    color: var(--ink-2);
}

/* empty states */
.empty { padding: 40px 20px; text-align: center; color: var(--dimmer); font-size: var(--text-md); }
.empty .e-ic { font-size: 26px; display: block; margin-bottom: 8px; opacity: 0.6; }

/* ══════════════════ 10. LEGACY SHELL CLASS ALIASES ═════════════════
   The V15 shell markup (.mdn-rail-*) re-skins to OBSIDIAN through these
   aliases — every template inherits the new identity without edits. */
.mdn-rail { /* inherits .mdn-rail rules from §1 */ }
.mdn-rail-head { display:flex; align-items:center; gap:10px; padding:14px 16px; border-bottom:1px solid var(--line-soft); position:sticky; top:0; background:var(--bg-deep); z-index:2; }
.mdn-rail-mark { width:26px; height:26px; display:grid; place-items:center; background:var(--accent); color:var(--accent-ink); border-radius:7px; font-family:var(--display); font-weight:700; font-size:15px; }
.mdn-rail-brand { font-family:var(--display); font-size:14px; font-weight:600; color:var(--ink); letter-spacing:-0.01em; }
.mdn-rail-scroll { display:flex; flex-direction:column; padding-bottom:24px; }
.mdn-rail-item, .mdn-rail-item:visited {
    display:flex; align-items:center; gap:10px; padding:7px 16px 7px 13px;
    color:var(--dim); text-decoration:none; font-size:var(--text-md);
    border-left:2px solid transparent;
    transition:color var(--t-fast) var(--ease), background var(--t-fast) var(--ease);
    white-space:nowrap; overflow:hidden;
}
.mdn-rail-item .mdn-ico { width:17px; display:grid; place-items:center; }
.mdn-rail-item .mdn-ico svg { width:15px; height:15px; }
.mdn-rail-item:hover { color:var(--ink); background:rgba(255,255,255,0.03); }
.mdn-rail-item.active { color:var(--accent-hover); background:var(--accent-soft); border-left-color:var(--accent); font-weight:600; }
.mdn-rail-label {
    font-family:var(--mono); font-size:9.5px; font-weight:600; letter-spacing:0.16em;
    text-transform:uppercase; color:var(--dimmer); padding:14px 16px 6px;
}
.mdn-rail-grp { margin:0; }
.mdn-rail-grp-toggle { cursor:pointer; list-style:none; }
.mdn-rail-grp-toggle::-webkit-details-marker { display:none; }
.mdn-rail-grp-toggle .sb-arrow { margin-left:auto; color:var(--dimmer); transition:transform var(--t-fast) var(--ease); }
.mdn-rail-grp[open] > .mdn-rail-grp-toggle .sb-arrow { transform:rotate(90deg); }
.mdn-rail-sub { padding-left:12px; border-left:1px solid var(--line-soft); margin-left:20px; }
.mdn-rail-sub .mdn-rail-item { font-size:var(--text-sm); padding:5px 12px; }
.mdn-rail-item .mkt-code {
    font-family:var(--mono); font-size:9px; font-weight:700; letter-spacing:0.06em;
    background:var(--panel-2); border:1px solid var(--line); border-radius:4px; padding:2px 4px; color:var(--dim);
}
.mdn-rail-item.active .mkt-code { border-color:var(--accent-line); color:var(--accent-hover); }

/* KPI grids the templates already use */
.kpi-grid, .kpi-row { display:grid; gap:var(--space-3); }
.kpi-2 { grid-template-columns:repeat(2,minmax(0,1fr)); }
.kpi-3 { grid-template-columns:repeat(3,minmax(0,1fr)); }
.kpi-4 { grid-template-columns:repeat(4,minmax(0,1fr)); }
.kpi-5 { grid-template-columns:repeat(5,minmax(0,1fr)); }
.kpi-6 { grid-template-columns:repeat(6,minmax(0,1fr)); }
@media (max-width:1100px){ .kpi-5,.kpi-6{grid-template-columns:repeat(3,minmax(0,1fr));} }
@media (max-width:860px){ .kpi-3,.kpi-4,.kpi-5,.kpi-6{grid-template-columns:repeat(2,minmax(0,1fr));} }
@media (max-width:560px){ .kpi-2,.kpi-3,.kpi-4,.kpi-5,.kpi-6{grid-template-columns:1fr;} }

/* legacy panel/badge/button classes used across 51 templates */
.mdn-panel { background:var(--panel); border:1px solid var(--line); border-radius:var(--radius); overflow:hidden; }
.mdn-kpi { background:var(--panel); border:1px solid var(--line); border-radius:var(--radius); padding:14px 16px; display:flex; flex-direction:column; gap:6px; min-width:0; }
.mdn-kpi .k-label { font-family:var(--mono); font-size:9.5px; letter-spacing:0.12em; text-transform:uppercase; color:var(--dimmer); }
.mdn-kpi .k-value { font-family:var(--mono); font-variant-numeric:tabular-nums; font-size:22px; font-weight:600; color:var(--ink); line-height:1.1; }
.mdn-kpi .k-sub { font-size:var(--text-xs); color:var(--dim); }
.mdn-btn.danger { border-color:rgba(240,97,109,0.5); color:var(--down); background:transparent; }

/* legacy top-level page tables inside .mdn-main */
.mdn-main table { border-collapse:collapse; }
.mdn-main .tbl-card { border:1px solid var(--line); border-radius:var(--radius); overflow:hidden; }

/* ══════════════════ 11. AUTH LEGACY CLASS SHIMS ═════════════════════ */
.auth-form-col { display: grid; place-items: center; padding: 40px 24px; background: var(--bg); }
.auth-card .fld label { display: block; font-family: var(--mono); font-size: 10px; font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase; color: var(--dim); margin-bottom: 6px; }
.auth-card .fld input, .auth-card .fld select { width: 100%; box-sizing: border-box; }
.auth-card .err { background: var(--down-soft); color: var(--down); border: 1px solid rgba(240, 97, 109, 0.4); border-radius: var(--radius-sm); padding: 10px 14px; font-size: var(--text-sm); margin-bottom: 14px; }
.auth-card .alt { margin-top: 18px; font-size: var(--text-sm); color: var(--dim); text-align: center; }
.auth-card .alt a { color: var(--accent-hover); }
.auth-side .stats .tick, .auth-side .pt { color: var(--dim); font-size: 13px; }
.auth-side .as-points .pt { display: flex; gap: 9px; color: var(--dim); font-size: 13px; padding: 4px 0; }
.auth-side .as-points .tick { color: var(--accent); }
.auth-side .as-fine { font-family: var(--mono); font-size: 9.5px; color: var(--dimmer); letter-spacing: 0.1em; }

/* signup wizard steps etc. keep working through the legacy layers */
.eula-box { max-height: 260px; overflow-y: auto; background: var(--bg-deep); border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 14px; font-size: var(--text-sm); color: var(--ink-2); }

/* ══════════════════ 12. V15 BOTTOM-NAV ALIAS (.mdn-bnav) ═════════════ */
.mdn-bnav {
    display: none;
    position: fixed; bottom: 0; left: 0; right: 0;
    background: var(--bg-deep);
    border-top: 1px solid var(--line);
    z-index: var(--z-bottomnav);
    padding-bottom: env(safe-area-inset-bottom);
}
.mdn-bnav .bnav-inner { display: grid; grid-auto-flow: column; grid-auto-columns: 1fr; height: 62px; }
.mdn-bnav a, .mdn-bnav .bnav-more {
    display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 3px;
    color: var(--dimmer); text-decoration: none; font-family: var(--mono);
    font-size: 9.5px; letter-spacing: 0.05em; text-transform: uppercase; cursor: pointer;
    background: transparent; border: 0;
}
.mdn-bnav a .bico svg, .mdn-bnav .bico svg { width: 19px; height: 19px; }
.mdn-bnav a.active { color: var(--accent-hover); }
.mdn-bnav .bnav-more { color: var(--dimmer); }
@media (max-width: 900px) {
    .mdn-bnav { display: block; }
    .mdn-rail { display: none; }
    .mdn-app { grid-template-columns: 1fr; grid-template-areas: "topbar" "main"; }
    .mdn-main { padding-bottom: 84px; }
}
body.no-sidebar .mdn-bnav { display: none !important; }

/* ══════════════════ 13. PORCELAIN PUBLIC PAGE CANVAS (§56 fix) ══════
   The app shell (.mdn-app) paints obsidian by default; public pages add
   body.pub-body — the canvas must become porcelain END TO END. */
body.pub-body { background: var(--pub-bg) !important; color: var(--pub-ink); }
body.pub-body .mdn-app { background: var(--pub-bg) !important; color: var(--pub-ink);
    grid-template-columns: 1fr; grid-template-rows: auto auto 1fr;
    grid-template-areas: "topbar" "ticker" "main"; min-height: 100vh; }
body.pub-body .mdn-main { padding: 0 !important; max-width: none !important; background: var(--pub-bg); }
body.pub-body .mdn-page-head { display: none; }
body.pub-body h1, body.pub-body h2, body.pub-body h3 { color: var(--pub-ink); }
body.pub-body p { color: var(--pub-ink-2); }
body.pub-body a { color: var(--pub-accent-deep); }
body.pub-body .muted { color: var(--pub-dim); }
body.pub-body .skip-link { background: var(--pub-ink); color: #fff; }

/* ── Public mobile (§32): nav collapses, ticker contained ── */
@media (max-width: 900px) {
    .pub-nav .links { display: none; }
    .pub-nav .inner { height: 58px; }
    .pub-nav .cta { margin-left: auto; }
    .pub-nav .cta .pub-btn.line { display: none; }
}
.pub-ticker { max-width: 100vw; overflow: hidden; }
.pub-ticker .fx-ticker-viewport { overflow: hidden; min-width: 0; }
#liveTickerTrack { display: inline-flex; gap: 34px; white-space: nowrap; will-change: transform; }
.hero { padding: 56px 0 48px; }
@media (max-width: 640px) {
    .hero-stats { gap: 22px; }
    .hero-stats b { font-size: 20px; }
    .tape-panel { padding: 16px; }
    .pub-section { padding: 56px 0; }
    .arch-flow { padding: 18px; }
    .arch-split { grid-template-columns: 1fr; }
    .arch-arrow { transform: rotate(90deg); }
}