/* B3Chain Pool stylesheet
   Forked from b3chain-website/css/style.css with additions for forms,
   tiles, charts, navigation, and dashboard layout. */

:root {
  --bg:           #fff;
  --panel:        #fafafa;
  --text:         #1a1a1a;
  --muted:        #555;
  --line:         #ddd;
  --accent:       #1a1a1a;
  --accent-hi:    #2a4d8f;
  --warn-bg:      #f9f6ee;
  --warn-border:  #d4c9a8;
  --pass:         #1a7a3a;
  --fail:         #a02020;
  --pending:      #b07a18;
  --code-bg:      #f5f5f5;
  --inline-bg:    #f0f0f0;
  --primary:      #1a4a8c;
  --primary-text: #fff;
  --mono:         ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas,
                   "Liberation Mono", "Courier New", monospace;
  --sans:         ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto,
                   Helvetica, Arial;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: var(--sans);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

.wrap      { max-width: 920px;  margin: 0 auto; padding: 28px 18px 56px; }
.wrap-wide { max-width: 1100px; margin: 0 auto; padding: 0 18px; }

/* ----- Site nav ----- */
.site-nav {
  background: var(--panel);
  border-bottom: 1px solid var(--line);
  padding: 12px 0;
}
.nav-row {
  display: flex; justify-content: space-between; align-items: center;
}
.brand {
  font-weight: 700; font-size: 18px; color: var(--accent);
  text-decoration: none; letter-spacing: -0.01em;
}
.site-nav nav { display: flex; gap: 14px; align-items: center; font-size: 14px; }
.site-nav nav a { color: var(--accent); text-decoration: none; padding: 6px 4px; }
.site-nav nav a:hover { text-decoration: underline; }
.site-nav nav a.active { font-weight: 600; }

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

/* ----- Site footer ----- */
.site-footer {
  border-top: 1px solid var(--line);
  padding: 16px 0;
  font-size: 13px; color: var(--muted);
}
.site-footer .wrap-wide { display: flex; justify-content: space-between; }
.site-footer a { color: var(--muted); }

/* ----- Sections / cards ----- */
section, .card {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  padding: 22px;
  margin-bottom: 18px;
}
.form-card { max-width: 480px; margin-left: auto; margin-right: auto; }

/* ----- Headings ----- */
h1 { margin: 0 0 8px; font-size: 26px; }
h2 { margin: 18px 0 8px; font-size: 18px; }
h3 { margin: 14px 0 6px; font-size: 15px; font-weight: 600; }
.subtitle { color: var(--muted); max-width: 72ch; }
.muted { color: var(--muted); }

/* ----- Lists ----- */
ul { margin: 8px 0 0 18px; }
li { margin: 5px 0; }

/* ----- Code ----- */
pre {
  font-family: var(--mono); font-size: 12.5px;
  padding: 14px; border-radius: 8px;
  border: 1px solid var(--line); background: var(--code-bg);
  margin: 10px 0 0; overflow-x: auto; line-height: 1.45;
  white-space: pre; word-wrap: normal;
}
code {
  font-family: var(--mono); font-size: 13px;
  background: var(--inline-bg); padding: 2px 5px; border-radius: 3px;
}
.mono { font-family: var(--mono); font-size: 12.5px; }

/* ----- Tables ----- */
table {
  width: 100%; border-collapse: collapse; margin: 10px 0 0; font-size: 13.5px;
}
th {
  text-align: left; padding: 8px 10px; border-bottom: 2px solid var(--line);
  font-weight: 600; font-size: 12px; text-transform: uppercase;
  letter-spacing: .04em; color: var(--muted);
}
td {
  padding: 7px 10px; border-bottom: 1px solid var(--line); vertical-align: top;
}

/* ----- Buttons ----- */
.btn-primary, .btn-secondary {
  display: inline-block;
  padding: 9px 16px; border-radius: 6px;
  font: inherit; font-weight: 600; font-size: 14px;
  text-decoration: none; border: 1px solid transparent;
  cursor: pointer;
}
.btn-primary {
  background: var(--primary); color: var(--primary-text);
}
.btn-primary:hover { background: var(--accent); }
.btn-secondary {
  background: var(--bg); color: var(--accent); border-color: var(--line);
}
.btn-secondary:hover { background: var(--inline-bg); }

/* ----- Forms ----- */
form.stacked label {
  display: block; font-size: 13px; font-weight: 600; margin-top: 12px;
  color: var(--muted);
}
form.stacked input[type=text],
form.stacked input[type=password],
form.stacked input[type=email],
form.stacked input[type=number] {
  display: block; width: 100%; padding: 8px 10px; margin-top: 4px;
  border: 1px solid var(--line); border-radius: 6px;
  font-family: var(--mono); font-size: 14px;
  background: var(--bg);
}
form.stacked button { margin-top: 18px; }

/* ----- Hero / landing ----- */
.hero h1 { font-size: 32px; }
.copy-row {
  display: flex; gap: 10px; align-items: center; margin-top: 16px;
}
.copy-row code { font-size: 14px; padding: 8px 12px; }
.cta-row { display: flex; gap: 10px; margin-top: 18px; }

/* ----- Tiles ----- */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 14px;
}
.tile {
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 14px 16px;
}
.tile-label { font-size: 11px; text-transform: uppercase; letter-spacing: 0.04em; color: var(--muted); }
.tile-value { font-size: 24px; font-weight: 600; margin-top: 4px; font-variant-numeric: tabular-nums; }

/* ----- Tags ----- */
.tag { display: inline-block; padding: 2px 8px; border-radius: 99px; font-size: 11px; font-weight: 600; }
.tag-pass { background: #e6f4ea; color: var(--pass); }
.tag-fail { background: #fce8e6; color: var(--fail); }
.tag-pending { background: #fff4cc; color: var(--pending); }

/* ----- Flash messages ----- */
.flash {
  padding: 10px 14px; border-radius: 6px;
  margin-bottom: 14px; font-size: 14px;
}
.flash-success { background: #e6f4ea; color: var(--pass); border: 1px solid #c5e3cd; }
.flash-error   { background: #fce8e6; color: var(--fail); border: 1px solid #f3c2bd; }

/* ----- Sub-nav ----- */
.subnav {
  display: flex; gap: 18px; padding: 8px 0; margin-bottom: 18px;
  border-bottom: 1px solid var(--line); font-size: 14px;
}
.subnav a { color: var(--accent); text-decoration: none; padding: 4px 0; }
.subnav a:hover { text-decoration: underline; }
.subnav a.active { font-weight: 700; border-bottom: 2px solid var(--primary); }

/* ----- Charts ----- */
canvas { max-width: 100%; }

/* ----- Responsive ----- */
@media (max-width: 600px) {
  .nav-row { flex-direction: column; gap: 10px; align-items: flex-start; }
  .site-nav nav { flex-wrap: wrap; }
  .hero h1 { font-size: 26px; }
}