/* ── Reset & base ─────────────────────────────────────────────────────────── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --bg:          #000000;
  --green:       #00ff41;
  --green-dim:   #008f11;
  --green-faint: #003300;
  --amber:       #ffaa00;
  --red:         #ff3300;
  --mono:        'Courier New', Courier, monospace;
}

html, body {
  height: 100%;
  background: var(--bg);
  color: var(--green);
  font-family: var(--mono);
  font-size: 14px;
  line-height: 1.5;
}

a {
  color: var(--green-dim);
  text-decoration: none;
}
a:hover { color: var(--green); }

/* ── Search view ──────────────────────────────────────────────────────────── */
.view-search {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
}

.search-terminal {
  width: 100%;
  max-width: 520px;
}

.brand {
  font-size: 1rem;
  font-weight: normal;
  letter-spacing: .1em;
  color: var(--green);
  margin-bottom: .4rem;
}

.subtitle {
  color: var(--green-dim);
  font-size: .8rem;
  margin-bottom: 1rem;
}

/* fieldset wire-frame for search */
.search-card {
  border: 1px solid var(--green-dim);
  padding: 1rem 1rem 1.25rem;
}

.search-card legend {
  color: var(--green-dim);
  font-size: .75rem;
  text-transform: uppercase;
  letter-spacing: .1em;
  padding: 0 .4rem;
}

.input-group {
  display: flex;
  gap: .5rem;
}

.input-group input {
  flex: 1;
  background: var(--bg);
  border: 1px solid var(--green-dim);
  padding: .45rem .65rem;
  color: var(--green);
  font-family: var(--mono);
  font-size: .85rem;
  outline: none;
}
.input-group input:focus {
  border-color: var(--green);
}
.input-group input::placeholder {
  color: var(--green-faint);
}

.input-group button {
  background: var(--bg);
  color: var(--green);
  border: 1px solid var(--green);
  padding: .45rem .9rem;
  font-family: var(--mono);
  font-size: .8rem;
  cursor: pointer;
  letter-spacing: .05em;
  white-space: nowrap;
  text-transform: uppercase;
}
.input-group button:hover {
  background: var(--green);
  color: var(--bg);
}
.input-group button:active { opacity: .8; }

.field-error {
  color: var(--red);
  font-size: .78rem;
  margin-top: .5rem;
}

/* Pool / worker selector shared */
.pool-select-wrap {
  display: flex;
  align-items: center;
  gap: .4rem;
  margin-top: .75rem;
}

.pool-select-wrap label,
.worker-select-wrap label {
  font-size: .78rem;
  color: var(--green-dim);
  white-space: nowrap;
}

/* ── Stats view ───────────────────────────────────────────────────────────── */
.view-stats {
  min-height: 100vh;
  padding: .75rem 1rem 2rem;
  max-width: 1100px;
  margin: 0 auto;
}

.stats-header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .4rem .9rem;
  padding-bottom: .6rem;
  border-bottom: 1px solid var(--green-dim);
  margin-bottom: .75rem;
}

.stats-header .brand {
  flex: 1;
  text-align: left;
  white-space: nowrap;
  margin-bottom: 0;
  font-size: .9rem;
}

.back-link {
  font-size: .78rem;
  color: var(--green-dim);
  white-space: nowrap;
}
.back-link:hover { color: var(--green); }

.worker-select-wrap {
  display: flex;
  align-items: center;
  gap: .4rem;
}

#pool-select,
#worker-select {
  background: var(--bg);
  border: 1px solid var(--green-dim);
  color: var(--green);
  padding: .25rem .4rem;
  font-family: var(--mono);
  font-size: .78rem;
  cursor: pointer;
  outline: none;
  max-width: 200px;
}
#pool-select:focus,
#worker-select:focus { border-color: var(--green); }

#pool-select option,
#worker-select option {
  background: var(--bg);
  color: var(--green);
}

.address-display {
  font-size: .72rem;
  color: var(--green-dim);
  margin-bottom: .6rem;
  word-break: break-all;
}

.refresh-info {
  font-size: .72rem;
  color: var(--green-dim);
  white-space: nowrap;
  margin-left: auto;
}

/* ── Error overlay ────────────────────────────────────────────────────────── */
#error-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, .82);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
}

#error-overlay[hidden] { display: none; }

#error-box {
  position: relative;
  border: 1px solid var(--red);
  padding: 1.4rem 1.6rem 1.2rem;
  max-width: 440px;
  width: 90%;
  background: #000;
}

#error-box p {
  color: var(--red);
  margin: 0;
  word-break: break-word;
  line-height: 1.6;
}

#error-close {
  position: absolute;
  top: .35rem;
  right: .5rem;
  background: none;
  border: none;
  color: var(--green-dim);
  font-family: var(--mono);
  font-size: .8rem;
  cursor: pointer;
  padding: 0;
  line-height: 1;
}

#error-close:hover { color: var(--green); }

/* ── Stats sections & cards ───────────────────────────────────────────────── */
.stats-group-label {
  font-size: .72rem;
  letter-spacing: .08em;
  color: var(--green-dim);
  border-top: 1px solid var(--green-faint);
  padding-top: .4rem;
  margin: 1rem 0 .5rem;
}
.stats-group-label:first-child {
  border-top: none;
  margin-top: 0;
}

/* fieldset wire-frames for stats sections */
.stats-section {
  border: 1px solid var(--green-dim);
  padding: .6rem .75rem .75rem;
  margin-bottom: .75rem;
}

.stats-section legend {
  font-size: .7rem;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: var(--green-dim);
  padding: 0 .4rem;
}

.cards-grid {
  display: flex;
  flex-direction: column;
  gap: .1rem;
  margin-top: .4rem;
}

.stat-card {
  display: flex;
  flex-direction: row;
  gap: .5em;
  padding: .05rem 0;
  line-height: 1.4;
}

.stat-card .stat-label {
  color: var(--green-dim);
  white-space: nowrap;
  flex-shrink: 0;
}

.stat-card .stat-value {
  color: var(--green);
  word-break: break-all;
}

.stat-card .stat-value.accent { color: var(--amber); }
.stat-card .stat-value.green  { color: var(--green); }
.stat-card .stat-value.muted  { color: var(--green-dim); }
.stat-card .stat-value.zero   { color: var(--green-faint); }
.stat-card .stat-value.red    { color: var(--red); }

/* ── Loading ──────────────────────────────────────────────────────────────── */
.loading {
  display: flex;
  align-items: center;
  padding: 1rem 0;
  color: var(--green-dim);
  font-size: .85rem;
}

.spinner { display: none; }

.loading span::after {
  content: '_';
  animation: blink .8s step-end infinite;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0; }
}

/* ── Responsive tweaks ────────────────────────────────────────────────────── */
@media (max-width: 480px) {
  .search-card { padding: .75rem; }
  .input-group { flex-direction: column; }
  .input-group button { width: 100%; }

  .stats-header {
    flex-direction: column;
    align-items: flex-start;
  }
  .pool-select-wrap  { width: 100%; }
  .worker-select-wrap { margin-left: 0; width: 100%; }
  #pool-select,
  #worker-select { max-width: 100%; width: 100%; }
  .refresh-info { margin-left: 0; }
}

@media (min-width: 900px) {
  .view-stats { padding-top: 1.25rem; }
}