:root {
    color-scheme: light;
    --bg: #ffffff;
    --bg-alt: #f8fafc;
    --fg: #1f2328;
    --muted: #656d76;
    --border: #d8dee4;
    --accent: #0969da;
    --accent-soft: #ddf4ff;
    --success: #1a7f37;
    --success-soft: #dafbe1;
    --danger: #cf222e;
    --danger-soft: #ffebe9;
    --warn: #9a6700;
    --warn-soft: #fff8c5;
    --blue: #0969da;
    --shadow: 0 1px 2px rgba(0,0,0,.03);
}

* { box-sizing: border-box; }

body {
    margin: 0;
    background: var(--bg);
    color: var(--fg);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto",
        "Helvetica Neue", Arial, sans-serif;
    font-size: 14px;
    line-height: 1.5;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.link-btn {
    background: none; border: 0; padding: 0;
    font: inherit; color: var(--accent); cursor: pointer;
}
.link-btn:hover { text-decoration: underline; }

/* Header ------------------------------------------------------------- */
.topbar {
    display: flex; align-items: center; gap: 16px;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    padding: 12px 24px;
}
.brand {
    font-weight: 700; font-size: 16px; color: var(--fg);
    letter-spacing: -0.01em;
}
.brand .brand-mark { color: var(--accent); }
.topbar nav { display: flex; gap: 12px; margin-left: auto; align-items: center; }
.topbar nav a { color: var(--muted); font-size: 13px; }
.topbar nav a.active { color: var(--fg); font-weight: 600; }
.topbar .user {
    color: var(--muted); font-size: 12px; padding-left: 12px;
    border-left: 1px solid var(--border);
}
.topbar .lang-toggle {
    display: flex; gap: 2px;
    border: 1px solid var(--border);
    border-radius: 6px; padding: 2px;
}
.topbar .lang-toggle a {
    padding: 3px 8px; font-size: 11px; font-weight: 600;
    color: var(--muted); text-decoration: none; border-radius: 4px;
}
.topbar .lang-toggle a.active { background: var(--fg); color: #fff; }

/* Layout ------------------------------------------------------------- */
.container {
    max-width: 1180px; margin: 0 auto; padding: 24px;
}
h1 { font-size: 22px; margin: 0 0 4px; letter-spacing: -0.01em; }
h2 { font-size: 16px; margin: 24px 0 12px; }
p.lead { color: var(--muted); margin: 0 0 20px; font-size: 13px; }

/* Cards -------------------------------------------------------------- */
.card {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 6px;
    box-shadow: var(--shadow);
    padding: 16px;
    margin-bottom: 16px;
}
.card h3 { margin: 0 0 12px; font-size: 14px; }
.grid { display: grid; gap: 16px; }
.grid-2 { grid-template-columns: 1fr 1fr; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
@media (max-width: 900px) {
    .grid-2, .grid-3 { grid-template-columns: 1fr; }
}

/* Tables ------------------------------------------------------------- */
table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
}
th, td {
    text-align: left;
    padding: 8px 10px;
    border-bottom: 1px solid var(--border);
}
th {
    color: var(--muted);
    font-weight: 600;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    background: var(--bg-alt);
}
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }
tr:last-child td { border-bottom: none; }

/* Backtested vs real columns in the per-strategy table. The backtested figure
   is a reference, not a result — printed green and bold it read as the number
   to look at, next to the real one it sits beside. */
.col-bt   { color: var(--muted); opacity: .75; }
th.col-bt { font-style: italic; font-weight: 400; }
td.col-bt { font-weight: 400; font-size: .86em; }
.col-real { border-left: 1px solid var(--border); }
th.col-real { background: #f0f7ff; color: #0969da; }
td.col-real[data-state="up"]   { color: var(--success); font-weight: 600; }
td.col-real[data-state="down"] { color: var(--danger);  font-weight: 600; }
td.col-real[data-state="none"] { color: var(--muted); }

.pending-group {
    margin: 18px 0 6px;
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .04em;
    color: var(--muted);
}
.pending-group:first-of-type { margin-top: 4px; }

/* Badges ------------------------------------------------------------- */
.badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 12px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}
.badge-buy      { background: var(--success-soft); color: var(--success); }
.badge-sell     { background: var(--danger-soft);  color: var(--danger); }
.badge-reweight { background: var(--accent-soft);  color: var(--accent); }
/* Bookkeeping, not a strategy move — deliberately the quietest of the set. */
.badge-sync     { background: var(--bg-alt);       color: var(--muted); border: 1px solid var(--border); }
.badge-neutral  { background: var(--bg-alt);       color: var(--muted); border: 1px solid var(--border); }
.badge-ok       { background: var(--success-soft); color: var(--success); }
.badge-warn     { background: var(--warn-soft);    color: var(--warn); }
.badge-err      { background: var(--danger-soft);  color: var(--danger); }
.badge-stub     { background: var(--warn-soft);    color: var(--warn); }

/* Buttons ------------------------------------------------------------ */
.btn {
    display: inline-block;
    padding: 6px 12px;
    background: var(--accent);
    color: white;
    border: 1px solid var(--accent);
    border-radius: 6px;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    text-decoration: none;
}
.btn:hover { background: #0851b5; text-decoration: none; }
.btn-secondary {
    background: var(--bg);
    color: var(--fg);
    border: 1px solid var(--border);
}
.btn-secondary:hover { background: var(--bg-alt); color: var(--fg); }
.btn-danger { background: var(--danger); border-color: var(--danger); }
.btn-danger:hover { background: #a40e19; }
.btn-sm { padding: 3px 10px; font-size: 12px; }

/* Flash / callouts --------------------------------------------------- */
.flash {
    padding: 10px 14px;
    border-radius: 6px;
    margin-bottom: 12px;
    font-size: 13px;
    border-left: 3px solid var(--accent);
    background: var(--accent-soft);
    color: var(--fg);
}
.flash-ok    { background: var(--success-soft); border-color: var(--success); }
.flash-warn  { background: var(--warn-soft);    border-color: var(--warn); }
.flash-error { background: var(--danger-soft);  border-color: var(--danger); }

.callout {
    padding: 12px 14px;
    background: var(--accent-soft);
    border-left: 3px solid var(--accent);
    border-radius: 4px;
    font-size: 13px;
    margin-bottom: 16px;
}
.callout-warn { background: var(--warn-soft); border-color: var(--warn); }
.callout-warn a { color: var(--warn); }
.callout-danger { background: var(--danger-soft); border-color: var(--danger); color: var(--danger); }

/* Metric row --------------------------------------------------------- */
.metrics { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.metric  {
    background: var(--bg-alt);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 12px;
}
.metric .label { color: var(--muted); font-size: 11px; text-transform: uppercase; }
.metric .value { font-size: 20px; font-weight: 700; margin-top: 4px; }

/* Login page --------------------------------------------------------- */
.login-body {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-alt);
    padding: 16px;
}
.login-card {
    width: 100%;
    max-width: 340px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 8px;
    box-shadow: 0 4px 20px rgba(0,0,0,.05);
    padding: 24px;
}
.login-card h1 { text-align: center; margin: 0 0 4px; }
.login-card p.lead { text-align: center; margin-bottom: 20px; }
.login-card label { display: block; font-size: 12px;
    color: var(--muted); font-weight: 600; margin: 12px 0 4px; }
.login-card input {
    width: 100%; padding: 8px 10px;
    border: 1px solid var(--border);
    border-radius: 6px;
    font-size: 14px;
}
.login-card input:focus { outline: 2px solid var(--accent); outline-offset: -1px; }
.login-card .btn { width: 100%; margin-top: 18px; padding: 9px 12px; font-size: 14px; }

/* Utilities ---------------------------------------------------------- */
.text-muted { color: var(--muted); }
.text-sm    { font-size: 12px; }
.text-right { text-align: right; }
.mono       { font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
              font-size: 12px; }
.inline-form { display: inline; }
.space-between { display: flex; justify-content: space-between; align-items: center; }
.mb-8 { margin-bottom: 8px; }
.mb-16 { margin-bottom: 16px; }

/* Strategy accent colors -------------------------------------------- */
[data-strategy="US20"]  { --strat: #0969da; --strat-soft: #ddf4ff; }
[data-strategy="WB15"]  { --strat: #d69e2e; --strat-soft: #fef3c7; }
[data-strategy="IT15"]  { --strat: #00a8e8; --strat-soft: #dbeafe; }
[data-strategy="SP20"]  { --strat: #059669; --strat-soft: #d1fae5; }
[data-strategy="DOW10"] { --strat: #e37500; --strat-soft: #fed7aa; }
[data-strategy="MM20"]  { --strat: #8b5cf6; --strat-soft: #ede9fe; }
[data-strategy="EN15"]  { --strat: #3c8dbc; --strat-soft: #dbeafe; }
[data-strategy="FIN15"] { --strat: #cf222e; --strat-soft: #fee2e2; }

/* Strategy card (index) --------------------------------------------- */
.strategy-card {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 10px;
    box-shadow: var(--shadow);
    padding: 18px 20px 16px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    transition: box-shadow 120ms ease, transform 120ms ease;
}
.strategy-card:hover {
    box-shadow: 0 4px 14px rgba(0,0,0,.06);
    transform: translateY(-1px);
}
.strategy-card .strat-head {
    display: flex; align-items: center; justify-content: space-between;
    gap: 8px;
}
.strategy-card .strat-badge {
    background: var(--strat, var(--accent));
    color: white;
    font-weight: 700;
    font-size: 12px;
    padding: 4px 12px;
    border-radius: 999px;
    letter-spacing: .02em;
}
.strategy-card .strat-flag { font-size: 15px; margin-left: 4px; }
.perf-caveat {
    font-size: 11px; color: #656d76; margin-top: 10px; line-height: 1.4;
}
.strategy-card .strat-health-warn {
    background: #fff1f0; border-left: 3px solid #cf222e;
    color: #82071e; font-size: 12px; line-height: 1.45;
    padding: 8px 10px; border-radius: 6px;
}
.strategy-card .strat-health-warn .strat-health-err {
    font-family: ui-monospace, monospace; font-size: 11px;
    word-break: break-word;
}
.strategy-card .strat-owner {
    margin-left: 6px; font-size: 11px; font-weight: 600;
    color: var(--muted, #656d76);
    background: #f6f8fa; border: 1px solid #d8dee4;
    padding: 2px 8px; border-radius: 999px;
    letter-spacing: .02em;
}
.strategy-card .strat-risk-badge {
    font-size: 12px; font-weight: 600;
    padding: 2px 10px; border-radius: 999px;
    cursor: help;
}
.strat-risk-badge.risk-low    { background: var(--success-soft); color: var(--success); }
.strat-risk-badge.risk-medium { background: var(--warn-soft);    color: var(--warn, #9a6700); }
.strat-risk-badge.risk-high   { background: var(--danger-soft);  color: var(--danger); }
.strategy-card h3 {
    font-size: 17px; margin: 0; letter-spacing: -0.01em;
    color: var(--fg);
}
.strategy-card .strat-desc {
    color: var(--muted); font-size: 13px; line-height: 1.5;
    margin: 0;
    display: -webkit-box;
    -webkit-line-clamp: 3; -webkit-box-orient: vertical;
    overflow: hidden;
}
.strategy-card .strat-meta {
    display: flex; gap: 16px; font-size: 12px; color: var(--muted);
    align-items: center;
}
.strategy-card .strat-meta svg { width: 13px; height: 13px; }
.strategy-card .strat-sparkline {
    height: 68px; margin: 4px 0;
    display: flex; align-items: flex-end;
}
.strategy-card .strat-sparkline svg { width: 100%; height: 100%; }
.spark-legend {
    display: flex; gap: 14px; align-items: center;
    margin: 2px 0 8px; font-size: 11px; color: var(--muted, #656d76);
}
.spark-legend-item { display: inline-flex; align-items: center; gap: 5px; }
.spark-swatch {
    display: inline-block; width: 14px; height: 3px; border-radius: 2px;
}
.spark-swatch-bench { background: #b3b8bd; }
.strategy-card .strat-returns {
    display: grid; grid-template-columns: 1fr 1fr; gap: 10px;
}
.strategy-card .ret-box {
    background: color-mix(in srgb, var(--strat, var(--accent)) 4%, var(--bg-alt));
    border: 1px solid var(--border);
    border-radius: 8px; padding: 10px 14px;
    transition: background .15s ease;
}
.strategy-card:hover .ret-box {
    background: color-mix(in srgb, var(--strat, var(--accent)) 10%, var(--bg-alt));
}
.strategy-card .ret-box .lbl {
    font-size: 10px; color: var(--muted);
    text-transform: uppercase; letter-spacing: .05em; font-weight: 600;
}
.strategy-card .ret-box .val {
    font-weight: 700; font-size: 15px; color: var(--fg);
    margin-top: 2px;
}
.strategy-card .val.big-num {
    font-size: 22px; font-weight: 800;
    letter-spacing: -0.02em;
    font-variant-numeric: tabular-nums;
    display: flex; align-items: baseline; gap: 4px;
    margin-top: 4px;
}
.strategy-card .val.big-num .arrow {
    font-size: 16px; font-weight: 700; margin-right: 2px;
}
.strategy-card .val.up { color: var(--success); }
.strategy-card .val.down { color: var(--danger); }
.strategy-card .strat-risk {
    display: flex; align-items: center; justify-content: space-between;
    gap: 10px; margin-top: 8px;
    padding: 8px 14px;
    border: 1px solid var(--border); border-radius: 8px;
    background: var(--bg-alt);
    cursor: help;
}
.strategy-card .strat-risk .lbl {
    font-size: 10px; color: var(--muted);
    text-transform: uppercase; letter-spacing: .05em; font-weight: 600;
}
.strategy-card .strat-risk .val {
    font-weight: 700; font-size: 14px; color: var(--fg);
    font-variant-numeric: tabular-nums;
}
.strategy-card .strat-risk .val.down { color: #e5534b; }
.track-callout {
    background: var(--warn-soft);
    border: 1px solid color-mix(in srgb, var(--warn) 25%, transparent);
    border-left: 3px solid var(--warn);
    color: var(--warn);
    border-radius: 8px;
    padding: 10px 14px;
    font-size: 13px;
    line-height: 1.45;
    margin: 4px 0 16px;
}
.strategy-card .strat-track {
    font-size: 11px; color: var(--muted); font-weight: 600;
    margin-top: 2px;
}
.strategy-card .strat-track.is-young {
    color: var(--warn);
}
.strategy-card .strat-1y-note {
    font-size: 11px;
    color: var(--warn);
    background: var(--warn-soft);
    border-left: 3px solid var(--warn);
    border-radius: 6px;
    padding: 6px 9px;
    line-height: 1.35;
    margin-bottom: 10px;
}
.strategy-card .strat-foot {
    display: flex; justify-content: space-between; align-items: center;
    margin-top: 4px;
    padding-top: 12px;
    border-top: 1px solid var(--border);
}
.strategy-card .btn-outline {
    background: var(--bg); color: var(--strat, var(--accent));
    border: 1px solid var(--strat, var(--accent));
}
.strategy-card .btn-outline:hover {
    background: var(--strat-soft, var(--accent-soft));
}
.strategy-card .alloc-badge {
    background: var(--success-soft); color: var(--success);
    padding: 4px 10px; border-radius: 999px;
    font-size: 12px; font-weight: 600; cursor: help;
}
.strategy-card .alloc-badge-empty {
    background: var(--bg-alt); color: var(--muted);
    padding: 4px 10px; border-radius: 999px; border: 1px solid var(--border);
    font-size: 11px; text-transform: uppercase; letter-spacing: .04em;
    cursor: help;
}

/* Detail page (Pro-style) ------------------------------------------- */
.pro-header {
    display: flex; align-items: center; gap: 12px;
    padding: 20px 0; border-bottom: 1px solid var(--border);
}
.pro-header .back-arrow {
    color: var(--muted); font-size: 20px; padding-right: 8px;
    text-decoration: none;
}
.pro-header .flag { font-size: 22px; }
.pro-header h1 { font-size: 24px; margin: 0; }
.pro-header .strat-badge {
    background: var(--strat, var(--accent)); color: white;
    padding: 4px 12px; border-radius: 999px;
    font-weight: 700; font-size: 12px;
}
.pro-header .pro-pill {
    background: linear-gradient(135deg, #ff6b35 0%, #d63000 100%);
    color: white; font-weight: 700; font-size: 9px;
    padding: 2px 6px; border-radius: 4px;
    vertical-align: super; margin-left: 4px;
}
.pro-header .header-right { margin-left: auto; }

.pro-tabs {
    display: flex; gap: 32px;
    border-bottom: 1px solid var(--border);
    margin-bottom: 20px;
}
.pro-tabs a {
    color: var(--muted); padding: 12px 0;
    font-weight: 600; font-size: 14px;
    border-bottom: 3px solid transparent;
    margin-bottom: -1px;
    text-decoration: none;
}
.pro-tabs a.active {
    color: var(--fg);
    border-bottom-color: var(--strat, var(--accent));
}

.pro-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 340px;
    gap: 20px;
}
@media (max-width: 900px) {
    .pro-layout { grid-template-columns: 1fr; }
}
.pro-sidebar h3 { margin: 0 0 10px; font-size: 15px; }
.stocks-list {
    max-height: 560px; overflow-y: auto;
}
.stock-row {
    display: flex; align-items: center; gap: 10px;
    padding: 10px 0; border-bottom: 1px solid var(--border);
}
.stock-row:last-child { border-bottom: none; }
.stock-row .avatar {
    width: 30px; height: 30px; border-radius: 50%;
    background: var(--strat-soft, var(--accent-soft));
    color: var(--strat, var(--accent));
    display: flex; align-items: center; justify-content: center;
    font-weight: 700; font-size: 12px; flex-shrink: 0;
}
.stock-row .ticker-info { flex: 1; min-width: 0; }
.stock-row .ticker { font-weight: 700; font-size: 13px; }
.stock-row .company {
    color: var(--muted); font-size: 12px;
    white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.stock-row .weight {
    color: var(--muted); font-size: 12px;
    font-variant-numeric: tabular-nums;
}

.chart-placeholder {
    background: var(--bg-alt);
    border: 1px dashed var(--border);
    border-radius: 8px;
    padding: 40px 20px;
    text-align: center;
    color: var(--muted);
}
.chart-placeholder .icon { font-size: 32px; opacity: .4; }
.chart-placeholder .title {
    font-weight: 600; color: var(--fg); margin: 8px 0 4px;
}

/* Onboarding wizard --------------------------------------------------- */
.onboarding {
    background: linear-gradient(135deg, #f0f7ff 0%, #ffffff 60%);
    border-color: #d0e2ff;
    margin-bottom: 20px;
    position: relative;
}
.ob-dismiss-form { margin: 0; padding: 0; }
.ob-dismiss {
    position: absolute; top: 8px; right: 10px;
    background: transparent; border: 0;
    color: var(--muted); font-size: 20px; line-height: 1;
    width: 24px; height: 24px; border-radius: 50%;
    cursor: pointer; padding: 0;
    display: flex; align-items: center; justify-content: center;
}
.ob-dismiss:hover { background: rgba(0,0,0,.06); color: #1f2328; }
.onboarding-bar {
    height: 6px; background: #e6edf7; border-radius: 3px;
    overflow: hidden; margin: 4px 0 16px;
}
.onboarding-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, #0969da 0%, #1a7f37 100%);
    border-radius: 3px;
    transition: width .6s cubic-bezier(.2,.9,.3,1);
}
.onboarding-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 12px;
}
.onboarding-step {
    display: flex; gap: 10px; align-items: flex-start;
    padding: 12px;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 8px;
}
.onboarding-step.done { opacity: .6; }
.ob-check {
    width: 24px; height: 24px; border-radius: 50%;
    background: var(--bg-alt); color: var(--muted);
    display: flex; align-items: center; justify-content: center;
    font-weight: 700; font-size: 12px; flex-shrink: 0;
    border: 1px solid var(--border);
}
.onboarding-step.done .ob-check {
    background: var(--success); color: #fff; border-color: var(--success);
}
.ob-body { flex: 1; min-width: 0; }
.ob-label { font-size: 13px; font-weight: 600; }
.ob-cta {
    font-size: 12px; font-weight: 600;
    color: var(--accent); margin-top: 4px;
    display: inline-block;
}

/* Toggle switch ------------------------------------------------------- */
.checkbox-row {
    display: flex; gap: 8px; align-items: flex-start;
    line-height: 1.4;
    cursor: pointer;
}
.checkbox-row input[type="checkbox"] {
    margin-top: 2px;
    accent-color: var(--accent);
    cursor: pointer;
}

.switch-row {
    display: flex; align-items: center; gap: 12px;
    padding: 16px; border: 1px solid var(--border);
    border-radius: 10px;
    background: var(--bg-alt);
    cursor: pointer;
}
.switch-row input[type="checkbox"] {
    appearance: none; -webkit-appearance: none;
    width: 44px; height: 24px;
    background: var(--border);
    border-radius: 12px;
    position: relative; cursor: pointer;
    flex-shrink: 0;
    transition: background .18s ease;
}
.switch-row input[type="checkbox"]::before {
    content: ""; position: absolute;
    top: 2px; left: 2px;
    width: 20px; height: 20px;
    background: #fff; border-radius: 50%;
    transition: transform .18s ease;
    box-shadow: 0 1px 3px rgba(0,0,0,.15);
}
.switch-row input[type="checkbox"]:checked {
    background: var(--success);
}
.switch-row input[type="checkbox"]:checked::before {
    transform: translateX(20px);
}
.switch-row input[type="checkbox"]:disabled {
    opacity: .5; cursor: not-allowed;
}
.switch-slider { display: none; }
.switch-row .switch-label {
    display: flex; flex-direction: column; gap: 2px;
}
.callout-warn {
    background: var(--warn-soft);
    border-left: 3px solid var(--warn);
    padding: 10px 14px;
    border-radius: 4px;
    font-size: 13px;
}

/* Dashboard portfolio -------------------------------------------------- */
.alpaca-chip {
    display: flex; align-items: center; gap: 8px;
    padding: 8px 12px; background: var(--bg-alt);
    border: 1px solid var(--border); border-radius: 8px;
}
.skeleton {
    display: inline-block;
    background: linear-gradient(100deg,
        #eceef1 30%, #f6f8fa 50%, #eceef1 70%);
    background-size: 200% 100%;
    animation: skeleton-shimmer 1.2s ease-in-out infinite;
    border-radius: 6px;
}
.skeleton-badge { width: 46px; height: 18px; border-radius: 999px; }
.skeleton-text { width: 92px; height: 14px; }
@keyframes skeleton-shimmer {
    0%   { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}
@media (prefers-reduced-motion: reduce) {
    .skeleton { animation: none; }
}
.empty-state {
    text-align: center; padding: 48px 20px;
}
.portfolio-hero {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px; margin-bottom: 20px;
}
.metric-tile {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 18px 20px;
    box-shadow: var(--shadow);
}
.metric-tile .lbl {
    font-size: 11px; color: var(--muted);
    text-transform: uppercase; letter-spacing: .04em;
}
.metric-tile .val {
    font-size: 18px; font-weight: 700; letter-spacing: -0.01em;
    margin-top: 4px; color: var(--fg);
}
.metric-tile .val.big {
    font-size: 30px; font-weight: 800;
    letter-spacing: -0.02em;
    font-variant-numeric: tabular-nums;
    display: flex; align-items: baseline; gap: 4px;
}
.metric-tile .val.big .arrow { font-size: 22px; }
.metric-tile .val.up   { color: var(--success); }
.metric-tile .val.down { color: var(--danger); }
.metric-tile .sub { margin-top: 4px; }

.portfolio-grid {
    display: grid; grid-template-columns: 2fr 1fr; gap: 16px;
}
@media (max-width: 1000px) {
    .portfolio-grid { grid-template-columns: 1fr; }
}

.donut-wrap {
    display: flex; justify-content: center;
    padding: 8px 0 16px;
}
.alloc-legend {
    display: flex; flex-direction: column; gap: 6px;
    border-top: 1px solid var(--border);
    padding-top: 12px;
}
.alloc-row {
    display: grid;
    grid-template-columns: 12px 1fr auto auto;
    gap: 10px; align-items: center;
    font-size: 13px;
}
.alloc-dot {
    width: 10px; height: 10px; border-radius: 50%;
}
.alloc-name {
    color: var(--fg); font-weight: 500;
    overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.alloc-amount {
    font-variant-numeric: tabular-nums;
    font-weight: 600;
}
.alloc-pct {
    font-variant-numeric: tabular-nums;
    color: var(--muted); font-size: 12px;
    min-width: 40px; text-align: right;
}

.text-up   { color: var(--success); }
.text-down { color: var(--danger); }

/* Performance chart -------------------------------------------------- */
.perf-legend {
    display: flex; gap: 24px; align-items: center;
    font-size: 13px; margin: 4px 0 12px;
}
.perf-legend .dot {
    display: inline-block; width: 8px; height: 8px; border-radius: 50%;
    margin-right: 6px; vertical-align: middle;
}
.perf-legend .lgd-strat { font-weight: 600; }
.perf-legend .lgd-idx   { color: var(--muted); }
.perf-legend .ret-up   { color: var(--success); font-weight: 600; margin-left: 4px; }
.perf-legend .ret-down { color: var(--danger);  font-weight: 600; margin-left: 4px; }

.perf-chart {
    background: linear-gradient(180deg, #fbfcfd 0%, #ffffff 100%);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 12px 12px 8px;
}
.perf-chart svg {
    width: 100%; height: 380px; display: block;
}

.chart-canvas-wrap {
    position: relative; width: 100%; height: 380px;
    padding: 8px 0;
}
.chart-tabs {
    display: inline-flex;
    background: #f6f8fa;
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 2px;
    gap: 2px;
}
.chart-tabs button {
    background: transparent;
    border: none;
    padding: 5px 12px;
    font-size: 12px; font-weight: 600;
    color: var(--muted);
    border-radius: 6px;
    cursor: pointer;
    transition: background .12s ease, color .12s ease;
}
.chart-tabs button:hover { color: var(--fg); }
.chart-tabs button.active {
    background: #fff; color: var(--fg);
    box-shadow: 0 1px 2px rgba(0,0,0,.06);
}

.env-tabs {
    display: inline-flex;
    background: #f6f8fa;
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 2px;
    gap: 2px;
}
.env-tabs a {
    padding: 5px 14px;
    font-size: 13px; font-weight: 600;
    color: var(--muted);
    border-radius: 6px;
    text-decoration: none;
    transition: background .12s ease, color .12s ease;
}
.env-tabs a:hover { color: var(--fg); text-decoration: none; }
.env-tabs a.active {
    background: #fff; color: var(--fg);
    box-shadow: 0 1px 2px rgba(0,0,0,.06);
}

.backtest-hero {
    display: flex; justify-content: space-between; align-items: center;
    gap: 16px;
    background: linear-gradient(135deg, #f0f7ff 0%, #ffffff 100%);
    border: 1px solid #d0e2ff;
    border-radius: 10px;
    padding: 18px 22px;
    margin-bottom: 20px;
}
.backtest-hero .bt-label {
    font-size: 12px; text-transform: uppercase;
    letter-spacing: .05em; color: var(--muted); font-weight: 600;
}
.backtest-hero .bt-value {
    font-size: 34px; font-weight: 800;
    letter-spacing: -0.02em;
    font-variant-numeric: tabular-nums;
    color: var(--fg); margin-top: 2px;
}
.backtest-hero .bt-sub {
    font-size: 12px; color: var(--muted); margin-top: 4px;
}
.backtest-hero .bt-delta {
    font-size: 32px; font-weight: 800;
    letter-spacing: -0.02em;
    font-variant-numeric: tabular-nums;
    padding: 6px 14px; border-radius: 8px;
}
.backtest-hero .bt-delta.up {
    color: var(--success);
    background: color-mix(in srgb, var(--success) 8%, transparent);
}
.backtest-hero .bt-delta.down {
    color: var(--danger);
    background: color-mix(in srgb, var(--danger) 8%, transparent);
}

.hero-returns {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 12px;
    padding: 20px 0 24px;
}
.hero-return {
    background: color-mix(in srgb, var(--strat, var(--accent)) 5%, #f8fafc);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 14px 18px;
    position: relative; overflow: hidden;
}
.hero-return::before {
    content: ""; position: absolute; inset: 0 auto 0 0;
    width: 3px; background: var(--strat, var(--accent));
}
.hero-return .hr-label {
    font-size: 11px; text-transform: uppercase;
    letter-spacing: .05em; color: var(--muted); font-weight: 600;
}
.hero-return .hr-value {
    font-size: 28px; font-weight: 800;
    letter-spacing: -0.02em;
    font-variant-numeric: tabular-nums;
    margin-top: 4px;
    display: flex; align-items: baseline; gap: 4px;
}
.hero-return .hr-value.up   { color: var(--success); }
.hero-return .hr-value.down { color: var(--danger); }
.hero-return .hr-arrow { font-size: 20px; }
.hero-return .hr-sub {
    font-size: 13px; font-weight: 600; color: var(--muted);
    letter-spacing: 0;
}
.my-perf-head {
    display: flex; align-items: baseline; gap: 10px;
    flex-wrap: wrap; margin-top: 16px;
}
.my-perf-head strong { font-size: 15px; }
.perf-xaxis {
    display: flex; justify-content: space-between;
    font-size: 10px; color: var(--muted);
    padding: 4px 4px 0;
}

/* Accessibility ------------------------------------------------------ */
.sr-only {
    position: absolute; width: 1px; height: 1px;
    padding: 0; margin: -1px; overflow: hidden;
    clip: rect(0 0 0 0); clip-path: inset(50%); white-space: nowrap;
}
:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
    border-radius: 4px;
}
.topbar .lang-toggle a:focus-visible,
.topbar nav a:focus-visible { outline-offset: 3px; }

/* Wide tables ---------------------------------------------------------
   Tables carry 6-8 numeric columns and cannot usefully reflow, so they get
   their own horizontal scroller instead of widening the whole document. */
.table-scroll {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}
.table-scroll > table { min-width: 640px; }

/* Mobile -------------------------------------------------------------- */
@media (max-width: 720px) {
    .topbar {
        flex-wrap: wrap;
        gap: 8px 12px;
        padding: 10px 14px;
    }
    .topbar nav {
        margin-left: 0;
        width: 100%;
        flex-wrap: wrap;
        gap: 8px 10px;
        row-gap: 8px;
    }
    .topbar nav a { font-size: 12px; }
    .topbar .user {
        padding-left: 0; border-left: 0;
        max-width: 100%; overflow: hidden; text-overflow: ellipsis;
        white-space: nowrap;
    }
    .container { padding: 16px 14px; }
    /* Safety net for tables not wrapped in .table-scroll (admin pages). */
    .card { overflow-x: auto; }
    .space-between { flex-wrap: wrap; gap: 10px; }
    .portfolio-hero { grid-template-columns: 1fr 1fr; }
    .metric-tile .val.big { font-size: 20px; }
    .backtest-hero { flex-wrap: wrap; gap: 10px; }
    h1 { font-size: 19px; }
}
@media (max-width: 420px) {
    .portfolio-hero { grid-template-columns: 1fr; }
    .topbar nav a { font-size: 11.5px; }
}