:root {
    --bg: #0b0e12;
    --surface: #12161c;
    --surface-hover: #171c23;
    --border: #252b34;
    --border-soft: #1c222a;
    --text: #edf0f4;
    --muted: #aeb6c2;
    --faint: #838d9b;
    --green: #4aca86;
    --amber: #e4ad4f;
    --red: #e16b6b;
    --blue: #76a7e8;
    --radius: 12px;
    --font: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    --mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

html { color-scheme: dark; }
* { box-sizing: border-box; }

html, body {
    margin: 0;
    min-height: 100%;
    background: var(--bg);
    color: var(--text);
    font-family: var(--font);
    font-size: 16px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

button { font: inherit; }
h1:focus { outline: none; }

.dashboard {
    width: min(1160px, calc(100% - 48px));
    margin: 0 auto;
    padding: 32px 0 56px;
}

.topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 26px;
}

.brand, .topbar-actions { display: flex; align-items: center; gap: 10px; }
.brand-mark {
    display: grid;
    width: 42px;
    height: 42px;
    place-items: center;
    border: 1px solid var(--border);
    border-radius: 11px;
    background: var(--surface);
    font-weight: 700;
}
.brand-name { font-size: 1rem; font-weight: 650; }
.brand-caption { color: var(--faint); font-size: .82rem; }

.status-pill {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    min-height: 40px;
    padding: 8px 13px;
    border: 1px solid var(--border);
    border-radius: 999px;
    color: var(--muted);
    font-size: .85rem;
    font-weight: 600;
}
.status-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--faint); }
.status-pill.healthy .status-dot { background: var(--green); }
.status-pill.warning .status-dot { background: var(--amber); }
.status-pill.offline .status-dot { background: var(--red); }
.status-pill.checking .status-dot { background: var(--blue); }

.check-button {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    min-height: 40px;
    padding: 8px 13px;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: var(--surface);
    color: var(--text);
    cursor: pointer;
    font-size: .85rem;
}
.check-button:hover:not(:disabled) { background: var(--surface-hover); }
.check-button:disabled { color: var(--muted); cursor: wait; }
.check-icon { display: inline-block; line-height: 1; }
.check-icon.spinning { animation: spin .8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

.card {
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--surface);
}

.hero {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
    padding: 28px 30px;
}
.hero-copy { min-width: 0; }
.eyebrow, .card-label {
    color: var(--faint);
    font-size: .82rem;
    font-weight: 650;
    letter-spacing: .03em;
}
.hero h1 { margin: 8px 0 7px; font-size: 2rem; line-height: 1.25; letter-spacing: -.025em; }
.hero p { max-width: 620px; margin: 0; color: var(--muted); font-size: .96rem; }
.hero-meta { display: flex; gap: 30px; flex: none; }
.meta-item span { display: block; margin-bottom: 4px; color: var(--faint); font-size: .82rem; }
.meta-item strong { display: block; max-width: 190px; overflow: hidden; font-family: var(--mono); font-size: .88rem; font-weight: 500; text-overflow: ellipsis; white-space: nowrap; }

.alert {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    margin-top: 12px;
    padding: 15px 18px;
    border: 1px solid rgba(225, 107, 107, .35);
    border-radius: 9px;
    background: rgba(225, 107, 107, .07);
    color: #efb1b1;
    font-size: .9rem;
}
.alert strong, .alert span { display: block; }
.alert div span { margin-top: 2px; color: #bd8e8e; overflow-wrap: anywhere; }
.alert-retry { align-self: center; flex: none; font-family: var(--mono); }

.address-flow {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 160px minmax(0, 1fr);
    align-items: center;
    margin-top: 18px;
    padding: 0;
    overflow: hidden;
}
.address-card { min-width: 0; padding: 26px 28px; }
.address-line { display: flex; align-items: center; gap: 10px; }
.address-value {
    margin: 8px 0 6px;
    overflow: hidden;
    font-family: var(--mono);
    font-size: 1.9rem;
    font-weight: 600;
    letter-spacing: -.03em;
    text-overflow: ellipsis;
}
.card-footnote { display: flex; align-items: center; gap: 7px; color: var(--muted); font-size: .84rem; }
.sync-mark { width: 5px; height: 5px; border-radius: 50%; background: var(--amber); }
.sync-mark.matched { background: var(--green); }
.copy-button {
    flex: none;
    min-height: 36px;
    padding: 7px 10px;
    border: 0;
    border-radius: 6px;
    background: transparent;
    color: var(--faint);
    cursor: pointer;
    font-size: .82rem;
}
.copy-button:hover:not(:disabled) { background: var(--surface-hover); color: var(--text); }
.copy-button:disabled { opacity: .35; cursor: default; }

.address-bridge {
    display: flex;
    min-height: 128px;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    border-right: 1px solid var(--border-soft);
    border-left: 1px solid var(--border-soft);
    color: var(--muted);
    text-align: center;
}
.bridge-line { display: none; }
.bridge-icon { color: var(--amber); font-size: 1.35rem; }
.address-flow.matched .bridge-icon { color: var(--green); }
.address-flow.offline .bridge-icon { color: var(--red); }
.address-flow.checking .bridge-icon { color: var(--blue); }
.address-bridge strong { margin-top: 5px; font-size: .82rem; }

.metrics-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    margin-top: 18px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--surface);
}
.metric { display: flex; min-height: 104px; padding: 20px 22px; flex-direction: column; justify-content: space-between; border-left: 1px solid var(--border-soft); }
.metric:first-child { border-left: 0; }
.metric span { color: var(--muted); font-size: .84rem; }
.metric strong { font-size: 1.65rem; font-weight: 600; font-variant-numeric: tabular-nums; }

.content-grid { display: grid; grid-template-columns: 330px minmax(0, 1fr); gap: 18px; margin-top: 18px; align-items: start; }
.details-card, .events-card { padding: 24px 26px; }
.section-heading { display: flex; align-items: center; justify-content: space-between; gap: 18px; margin-bottom: 18px; }
.section-heading h2 { margin: 4px 0 0; font-size: 1.1rem; font-weight: 650; }

.details-list { margin: 0; }
.details-list div { display: flex; justify-content: space-between; gap: 16px; padding: 14px 0; border-top: 1px solid var(--border-soft); }
.details-list dt { color: var(--muted); font-size: .88rem; }
.details-list dd { margin: 0; font-family: var(--mono); font-size: .82rem; text-align: right; }

.event-actions { display: flex; align-items: center; gap: 7px; }
.event-filters { display: flex; gap: 2px; }
.filter-button, .btn-clear {
    min-height: 36px;
    padding: 7px 10px;
    border: 0;
    border-radius: 6px;
    background: transparent;
    color: var(--faint);
    cursor: pointer;
    font-size: .82rem;
}
.filter-button:hover, .btn-clear:hover { color: var(--text); }
.filter-button.active { background: var(--surface-hover); color: var(--text); }
.btn-clear { margin-left: 3px; border-left: 1px solid var(--border); border-radius: 0; }

.events-container { max-height: 480px; overflow-y: auto; }
.event-item { display: grid; grid-template-columns: 7px 72px minmax(0, 1fr); gap: 12px; align-items: baseline; padding: 14px 0; border-top: 1px solid var(--border-soft); }
.event-marker { width: 5px; height: 5px; align-self: center; border-radius: 50%; background: var(--blue); }
.event-item.success .event-marker { background: var(--green); }
.event-item.warning .event-marker { background: var(--amber); }
.event-item.error .event-marker { background: var(--red); }
.event-item time { color: var(--faint); font-family: var(--mono); font-size: .82rem; }
.event-content { min-width: 0; }
.event-message { overflow-wrap: anywhere; font-size: .92rem; }
.event-content details { margin-top: 7px; color: var(--muted); font-size: .82rem; }
.event-content summary { cursor: pointer; }
.event-content pre { margin: 8px 0 0; overflow: auto; white-space: pre-wrap; color: var(--muted); font-family: var(--mono); font-size: .82rem; }
.empty-state { padding: 40px 0; color: var(--faint); text-align: center; font-size: .9rem; }

::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-thumb { border-radius: 4px; background: #303743; }

@media (max-width: 760px) {
    .dashboard { width: min(100% - 28px, 620px); padding-top: 18px; }
    .hero { align-items: flex-start; flex-direction: column; }
    .hero-meta { width: 100%; justify-content: space-between; }
    .address-flow { grid-template-columns: 1fr; }
    .address-bridge { min-height: 64px; border: 0; border-top: 1px solid var(--border-soft); border-bottom: 1px solid var(--border-soft); }
    .metrics-grid { grid-template-columns: repeat(2, 1fr); }
    .metric:nth-child(3) { border-top: 1px solid var(--border-soft); border-left: 0; }
    .metric:nth-child(4) { border-top: 1px solid var(--border-soft); }
    .content-grid { grid-template-columns: 1fr; }
}

@media (max-width: 500px) {
    .topbar { align-items: flex-start; gap: 12px; }
    .brand-caption { display: none; }
    .topbar-actions { align-items: stretch; flex-direction: column-reverse; }
    .status-pill, .check-button { justify-content: center; }
    .hero { padding: 18px; }
    .hero-meta { gap: 14px; }
    .address-line { align-items: flex-start; flex-direction: column; gap: 0; }
    .address-value { max-width: 100%; }
    .events-card .section-heading { align-items: flex-start; flex-direction: column; }
    .event-actions { width: 100%; justify-content: space-between; }
    .event-filters { overflow-x: auto; }
    .alert { align-items: flex-start; flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}