:root {
  color-scheme: dark;
  --bg: #090d14;
  --surface: rgba(18, 25, 37, .9);
  --surface-solid: #121925;
  --surface-hover: #182231;
  --border: #263244;
  --border-soft: rgba(126, 148, 176, .14);
  --text: #edf3fb;
  --muted: #8e9cb0;
  --accent: #62e6b3;
  --accent-dark: #143c32;
  --blue: #73a9ff;
  --danger: #ff7d87;
  --warning: #f3c969;
  --radius: 18px;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
body { margin: 0; min-width: 320px; min-height: 100vh; background: var(--bg); color: var(--text); line-height: 1.5; }
button, input, select { font: inherit; }
button, select { cursor: pointer; }
button:disabled { cursor: wait; opacity: .55; }
[hidden] { display: none !important; }
.ambient { position: fixed; z-index: -1; border-radius: 50%; filter: blur(100px); pointer-events: none; opacity: .12; }
.ambient-one { width: 480px; height: 480px; background: #27cf94; top: -220px; right: 5%; }
.ambient-two { width: 420px; height: 420px; background: #3366d5; bottom: -230px; left: -100px; }

h1, h2, h3, p { margin-top: 0; }
h1 { margin-bottom: 8px; font-size: clamp(2rem, 4vw, 3rem); letter-spacing: -.045em; line-height: 1.1; }
h2 { margin-bottom: 0; font-size: 1.2rem; letter-spacing: -.02em; }
h3 { margin-bottom: 0; font-size: 1.08rem; }
.muted { color: var(--muted); }
.eyebrow { margin-bottom: 8px; color: var(--accent); font-size: .7rem; font-weight: 750; letter-spacing: .16em; text-transform: uppercase; }
.brand { display: inline-flex; align-items: center; gap: 12px; color: var(--text); font-size: .8rem; font-weight: 800; letter-spacing: .14em; text-decoration: none; }
.brand-mark { display: grid; width: 35px; height: 35px; place-items: center; border: 1px solid rgba(98, 230, 179, .45); border-radius: 11px; background: linear-gradient(145deg, #1e493c, #112b28); color: var(--accent); font-size: 1rem; box-shadow: inset 0 0 18px rgba(98, 230, 179, .08); }
.brand-centered { justify-content: center; margin-bottom: 40px; }
.status-dot { display: inline-block; width: 7px; height: 7px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 10px rgba(98, 230, 179, .65); }

.login-shell { display: grid; min-height: 100vh; padding: 32px 20px; place-items: center; }
.login-card { width: min(100%, 440px); padding: 38px; border: 1px solid var(--border); border-radius: 24px; background: linear-gradient(145deg, rgba(22, 31, 45, .98), rgba(13, 19, 29, .98)); box-shadow: 0 28px 80px rgba(0, 0, 0, .38); }
.login-card h1 { font-size: 2rem; }
.login-intro { margin-bottom: 30px; font-size: .92rem; }
.login-footnote { display: flex; align-items: center; justify-content: center; gap: 8px; margin-top: 26px; color: var(--muted); font-size: .75rem; }
label { display: block; margin-bottom: 8px; color: #b8c4d4; font-size: .8rem; font-weight: 650; }
input, select { width: 100%; min-height: 42px; border: 1px solid var(--border); border-radius: 10px; outline: none; background: #0d1420; color: var(--text); transition: border-color .18s, box-shadow .18s; }
input { padding: 10px 12px; }
select { padding: 8px 32px 8px 11px; }
input:focus, select:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(98, 230, 179, .1); }
.password-field { position: relative; }
.password-field input { padding-right: 86px; }
.password-field .icon-button { position: absolute; top: 5px; right: 5px; }
.icon-button { min-height: 32px; padding: 4px 8px; border: 0; background: transparent; color: var(--muted); font-size: .7rem; }
.form-error { min-height: 22px; margin: 9px 0; color: var(--danger); font-size: .8rem; }

.button { display: inline-flex; min-height: 38px; align-items: center; justify-content: center; gap: 7px; padding: 8px 14px; border: 1px solid var(--border); border-radius: 10px; background: var(--surface-hover); color: var(--text); font-size: .78rem; font-weight: 680; transition: transform .15s, border-color .15s, background .15s; }
.button:hover:not(:disabled) { transform: translateY(-1px); border-color: #40506a; }
.button-primary { border-color: rgba(98, 230, 179, .35); background: var(--accent); color: #072219; }
.button-primary:hover:not(:disabled) { border-color: var(--accent); background: #7cebc0; }
.button-wide { width: 100%; min-height: 46px; }
.button-ghost { background: transparent; }
.button-danger { border-color: rgba(255, 125, 135, .35); background: rgba(255, 125, 135, .1); color: var(--danger); }
.button-small { min-height: 33px; padding: 6px 11px; font-size: .73rem; }

.topbar { position: sticky; z-index: 10; top: 0; display: flex; min-height: 72px; align-items: center; justify-content: space-between; padding: 0 max(24px, calc((100vw - 1380px) / 2)); border-bottom: 1px solid var(--border-soft); background: rgba(9, 13, 20, .86); backdrop-filter: blur(18px); }
.topbar-actions { display: flex; align-items: center; gap: 22px; }
.live-indicator { display: flex; align-items: center; gap: 8px; color: var(--muted); font-size: .75rem; }
.page-shell { width: min(1380px, calc(100% - 48px)); margin: 0 auto; padding: 48px 0 70px; }
.page-heading { display: flex; align-items: flex-end; justify-content: space-between; gap: 30px; margin-bottom: 30px; }
.page-heading .muted { margin-bottom: 0; }
.refresh-meta { display: flex; flex-direction: column; align-items: flex-end; color: var(--muted); font-size: .73rem; }
.notice { margin-bottom: 22px; padding: 12px 16px; border: 1px solid rgba(115, 169, 255, .3); border-radius: 12px; background: rgba(115, 169, 255, .08); color: #b9d3ff; font-size: .85rem; }
.notice.error { border-color: rgba(255, 125, 135, .35); background: rgba(255, 125, 135, .08); color: #ffb5bb; }

.summary-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-bottom: 22px; }
.summary-card { display: flex; min-height: 126px; flex-direction: column; justify-content: center; padding: 20px 22px; border: 1px solid var(--border-soft); border-radius: var(--radius); background: var(--surface); }
.summary-card strong { margin: 5px 0 2px; font-size: 1.45rem; letter-spacing: -.03em; }
.summary-label { color: var(--muted); font-size: .72rem; text-transform: uppercase; letter-spacing: .07em; }
.summary-caption { color: #627188; font-size: .72rem; }
.accent-card { background: linear-gradient(145deg, rgba(24, 58, 48, .75), var(--surface)); }
.accent-card strong { color: var(--accent); }

.autotune-panel { margin-top: 0; margin-bottom: 22px; }
.autotune-policy { color: var(--muted); font-size: .72rem; text-align: right; }
.autotune-intro { max-width: 980px; margin: -8px 0 18px; font-size: .78rem; }
.autotune-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.autotune-card { padding: 16px; border: 1px solid var(--border-soft); border-radius: 13px; background: rgba(8, 13, 21, .42); }
.autotune-card-header { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 14px; }
.autotune-identity { display: flex; align-items: center; gap: 10px; }
.autotune-identity strong, .autotune-identity span { display: block; }
.autotune-icon { display: grid; width: 34px; height: 34px; place-items: center; border: 1px solid rgba(243, 201, 105, .3); border-radius: 10px; background: rgba(243, 201, 105, .08); color: var(--warning); font-weight: 800; }
.autotune-metrics { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; margin-bottom: 12px; }
.autotune-metrics .metric { padding: 10px 12px; }
.autotune-metrics .metric-value { font-size: .9rem; }
.autotune-chains { display: flex; flex-wrap: wrap; gap: 6px 14px; margin-bottom: 10px; color: var(--muted); font-size: .72rem; }
.autotune-chain strong { color: #d5deeb; }
.autotune-last { margin: 0 0 4px; color: var(--muted); font-size: .72rem; }
.autotune-error { margin: 0 0 4px; color: var(--danger); font-size: .72rem; }
.autotune-actions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; padding-top: 12px; border-top: 1px solid var(--border-soft); }

.miner-list { display: grid; gap: 22px; margin-bottom: 22px; }
.miner-card { overflow: hidden; border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); box-shadow: 0 16px 40px rgba(0, 0, 0, .12); }
.miner-header { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 22px 24px; border-bottom: 1px solid var(--border-soft); }
.miner-identity { display: flex; align-items: center; gap: 14px; }
.miner-icon { display: grid; width: 43px; height: 43px; place-items: center; border: 1px solid var(--border); border-radius: 12px; background: #0c141e; color: var(--accent); font-weight: 800; }
.miner-address { color: var(--muted); font-family: ui-monospace, SFMono-Regular, Consolas, monospace; font-size: .75rem; }
.status-badge { display: inline-flex; align-items: center; gap: 7px; padding: 5px 10px; border-radius: 999px; background: rgba(98, 230, 179, .08); color: var(--accent); font-size: .72rem; font-weight: 700; }
.status-badge.offline { background: rgba(255, 125, 135, .08); color: var(--danger); }
.status-badge.pending { background: rgba(243, 201, 105, .08); color: var(--warning); }
.miner-body { padding: 24px; }
.metric-grid { display: grid; grid-template-columns: 2fr 2fr repeat(2, 1fr); gap: 12px; margin-bottom: 22px; }
.metric { padding: 15px 17px; border: 1px solid var(--border-soft); border-radius: 12px; background: rgba(8, 13, 21, .4); }
.metric-label { display: block; margin-bottom: 5px; color: var(--muted); font-size: .7rem; }
.metric-value { display: block; font-size: 1.12rem; font-weight: 720; }
.metric-primary .metric-value { color: var(--accent); font-size: 1.35rem; }
.submetrics { display: flex; flex-wrap: wrap; gap: 8px 20px; margin-bottom: 22px; color: var(--muted); font-size: .75rem; }
.submetrics strong { margin-left: 5px; color: #cbd5e2; font-weight: 650; }
.pool-line { margin: 0 0 22px; color: var(--muted); font-size: .76rem; }
.pool-line strong { color: #cbd5e2; }

.section-title { display: flex; align-items: center; justify-content: space-between; margin: 0 0 12px; }
.section-title h3 { font-size: .86rem; }
.section-title span { color: var(--muted); font-size: .7rem; }
.chain-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.chain-card { padding: 16px; border: 1px solid var(--border-soft); border-radius: 13px; background: rgba(8, 13, 21, .42); }
.chain-card.chain-disabled { opacity: .65; }
.chain-heading { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-bottom: 12px; }
.chain-heading strong { font-size: .85rem; }
.switch-label { display: flex; align-items: center; gap: 6px; margin: 0; color: var(--muted); font-size: .67rem; font-weight: 500; }
.switch-label input { width: 15px; min-height: 15px; margin: 0; accent-color: var(--accent); }
.chain-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin-bottom: 13px; }
.chain-stat { color: var(--muted); font-size: .65rem; }
.chain-stat strong { display: block; margin-top: 2px; color: #d5deeb; font-size: .76rem; font-weight: 650; }
.chain-controls { display: grid; grid-template-columns: 1fr auto; gap: 8px; align-items: end; }
.chain-controls label { font-size: .67rem; }
.chain-controls select { min-height: 34px; font-size: .74rem; }
.miner-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin-top: 20px; padding-top: 18px; border-top: 1px solid var(--border-soft); }
.action-divider { width: 1px; height: 24px; margin: 0 4px; background: var(--border); }
.action-spacer { flex: 1; }

.panel { margin-top: 22px; padding: 24px; border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); }
.panel-heading { display: flex; align-items: center; justify-content: space-between; gap: 20px; margin-bottom: 20px; }
.panel-heading select { width: auto; min-width: 180px; }
.chart-legend { display: flex; justify-content: flex-end; gap: 18px; color: var(--muted); font-size: .7rem; }
.chart-legend span::before { display: inline-block; width: 14px; height: 2px; margin: 0 6px 3px 0; background: var(--accent); content: ""; }
.chart-legend .legend-average::before { background: var(--blue); }
.hashrate-chart { display: block; width: 100%; min-height: 240px; }
.chart-grid { stroke: #253043; stroke-width: 1; }
.chart-label { fill: #728197; font-size: 11px; }
.chart-line-current { fill: none; stroke: var(--accent); stroke-linecap: round; stroke-linejoin: round; stroke-width: 2.5; }
.chart-line-average { fill: none; stroke: var(--blue); stroke-linecap: round; stroke-linejoin: round; stroke-width: 1.8; stroke-dasharray: 5 5; }
.chart-empty { fill: var(--muted); font-size: 14px; }

.table-scroll { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: .76rem; }
th { padding: 10px 12px; color: var(--muted); font-size: .65rem; font-weight: 650; letter-spacing: .06em; text-align: left; text-transform: uppercase; }
td { padding: 12px; border-top: 1px solid var(--border-soft); color: #bac6d5; vertical-align: top; }
td code { color: var(--muted); font-size: .7rem; white-space: nowrap; }
.result-ok { color: var(--accent); }
.result-fail { color: var(--danger); }
.empty-row { padding: 28px; color: var(--muted); text-align: center; }

.dialog { width: min(500px, calc(100% - 32px)); padding: 28px; border: 1px solid #4a343d; border-radius: 20px; background: var(--surface-solid); color: var(--text); box-shadow: 0 30px 100px #000; }
.dialog::backdrop { background: rgba(2, 5, 9, .78); backdrop-filter: blur(5px); }
.dialog-icon { display: grid; width: 42px; height: 42px; margin-bottom: 16px; place-items: center; border-radius: 50%; background: rgba(255, 125, 135, .12); color: var(--danger); font-weight: 800; }
.dialog p { font-size: .85rem; }
.dialog strong { color: var(--danger); font-family: ui-monospace, monospace; font-size: .8rem; }
.dialog-actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 20px; }

@media (max-width: 1050px) {
  .summary-grid { grid-template-columns: repeat(2, 1fr); }
  .metric-grid { grid-template-columns: repeat(2, 1fr); }
  .chain-grid { grid-template-columns: 1fr; }
  .chain-stats { grid-template-columns: repeat(6, 1fr); }
  .autotune-list { grid-template-columns: 1fr; }
}
@media (max-width: 680px) {
  .topbar { min-height: 64px; padding: 0 16px; }
  .live-indicator { display: none; }
  .page-shell { width: calc(100% - 28px); padding-top: 30px; }
  .page-heading { align-items: flex-start; flex-direction: column; }
  .refresh-meta { align-items: flex-start; }
  .summary-grid { gap: 10px; }
  .summary-card { min-height: 110px; padding: 15px; }
  .summary-card strong { font-size: 1.12rem; }
  .miner-header, .miner-body, .panel { padding: 17px; }
  .miner-header { align-items: flex-start; }
  .metric-grid { gap: 8px; }
  .metric { padding: 12px; }
  .metric-value, .metric-primary .metric-value { font-size: 1rem; }
  .chain-stats { grid-template-columns: repeat(3, 1fr); }
  .action-divider { display: none; }
  .action-spacer { display: none; }
  .miner-actions .button { flex: 1 1 calc(50% - 8px); }
  .panel-heading { align-items: flex-start; flex-direction: column; }
  .panel-heading select { width: 100%; }
  .autotune-policy { text-align: left; }
  .autotune-metrics { grid-template-columns: repeat(2, 1fr); }
  .login-card { padding: 28px 22px; }
}