/* Palette mirrors the Analysis dashboard's own tokens (app/views/analysis/index.html.erb)
   so the rest of the app (Sessions, Account) reads as one design, not a leftover older one. */
:root {
  color-scheme: light dark;
  --bg: #f2f5ee;
  --card-bg: #fbfcf9;
  --sunk: #eceff0;
  --text: #12150f;
  --muted: #82867a;
  --border: #dfe3d8;
  --border-strong: #c8cdbe;
  --grid: #eceff0;
  --accent: #2a78d6;
  --accent-text: #ffffff;
  --danger: #d03b3b;
  --p25: #9ec5f4;
  --p75: #3987e5;
  --p50: #2a78d6;
  --band: rgba(42, 120, 214, 0.14);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0d0f0b;
    --card-bg: #191c15;
    --sunk: #131610;
    --text: #f4f6ef;
    --muted: #8a8f80;
    --border: #2b2f25;
    --border-strong: #3c4134;
    --grid: #131610;
    --accent: #3987e5;
    --accent-text: #0f1115;
    --danger: #e66767;
    --p25: #6da7ec;
    --p75: #b7d3f6;
    --p50: #3987e5;
    --band: rgba(57, 135, 229, 0.16);
  }
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
}

body {
  font: 13px/1.5 "IBM Plex Sans", Helvetica, Arial, sans-serif;
  padding-bottom: 48px;
}

a { color: var(--accent); }

h1, h2, h3, h4 { font-family: "Alegreya Sans", "Optima", "Gill Sans", Helvetica, Arial, sans-serif; font-weight: 700; }
h1 { font-size: 18px; margin: 0; }
h2 { font-size: 15px; margin: 0 0 2px; }
h3 { font-size: 12px; font-weight: 600; margin: 0 0 6px; color: var(--muted); }

.wrap { max-width: 1100px; margin: 0 auto; padding: 0 16px; }

/* --- nav --- */
nav.topbar {
  display: flex; align-items: center;
  gap: 20px; padding: 11px 16px; margin-bottom: 24px;
  border-bottom: 1px solid var(--border-strong);
  flex-wrap: wrap;
  position: sticky; top: 0; z-index: 30;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(10px);
}
nav.topbar .brand {
  font-family: "Alegreya Sans", "Optima", "Gill Sans", sans-serif; font-weight: 800; font-size: 19px;
  letter-spacing: -.02em; text-decoration: none; color: var(--text); white-space: nowrap;
}
nav.topbar .links { display: flex; gap: 4px 4px; align-items: center; flex-wrap: wrap; margin-left: auto; }
nav.topbar .links a {
  font-family: "Alegreya Sans", "Optima", "Gill Sans", sans-serif; font-weight: 500; font-size: 15px;
  text-decoration: none; color: var(--muted); padding: 5px 11px; border-radius: 5px; white-space: nowrap;
}
nav.topbar .links a:hover { background: var(--grid); color: var(--text); }
nav.topbar .links a.active { background: var(--text); color: var(--bg); font-weight: 700; }
nav.topbar .links .muted { font-family: "IBM Plex Mono", monospace; font-size: 12px; }
nav.topbar form { display: inline; }
nav.topbar button.link-button { font-family: "IBM Plex Sans", sans-serif; font-size: 12.5px; white-space: nowrap; }

/* --- flashes --- */
.flash { max-width: 1100px; margin: 0 auto 16px; padding: 0 16px; }
.flash .notice, .flash .alert {
  padding: 8px 12px; border-radius: 6px; font-size: 12.5px; margin-bottom: 8px;
}
.flash .notice { background: var(--band); color: var(--text); }
.flash .alert { background: rgba(179, 73, 47, 0.12); color: var(--danger); }

/* --- cards / tables --- */
.card {
  background: var(--card-bg); border: 1px solid var(--border); border-radius: 7px;
  padding: 16px; margin-bottom: 20px;
}
table { border-collapse: collapse; width: 100%; font-size: 12.5px; font-variant-numeric: tabular-nums; }
th, td { text-align: left; padding: 7px 10px; border-bottom: 1px solid var(--border); white-space: nowrap; }
th {
  font-family: "IBM Plex Mono", monospace; font-size: 10px; letter-spacing: .07em; text-transform: uppercase;
  color: var(--muted); font-weight: 500;
}
tbody tr:hover { background: var(--sunk); }
.table-scroll { overflow-x: auto; }
.empty-state { color: var(--muted); font-size: 12.5px; padding: 8px 0; }

/* --- forms --- */
label { display: block; font-size: 12px; color: var(--muted); margin-bottom: 4px; }
input[type="text"], input[type="email"], input[type="password"], input[type="url"] {
  font: inherit; padding: 7px 9px; border: 1px solid var(--border); border-radius: 6px;
  background: var(--card-bg); color: var(--text); width: 100%;
}
.field { margin-bottom: 12px; }
.field-error { color: var(--danger); font-size: 11.5px; margin-top: 3px; }
.form-errors { background: rgba(179, 73, 47, 0.1); color: var(--danger); border-radius: 6px; padding: 8px 12px; font-size: 12px; margin-bottom: 12px; }
.inline-form { display: flex; gap: 8px; align-items: flex-end; flex-wrap: wrap; }
.inline-form .field { margin-bottom: 0; flex: 1 1 320px; }

button, .button, input[type="submit"] {
  font: inherit; font-size: 13px; padding: 5px 14px; border-radius: 6px; cursor: pointer;
  border: 1px solid var(--border-strong); background: var(--card-bg); color: var(--text);
  text-decoration: none; display: inline-block;
}
button:hover, .button:hover, input[type="submit"]:hover { border-color: var(--muted); }
/* form submits (Add session, Save, Log in, ...) and .primary get the dark "call to action" fill;
   button_to actions (Log out, Delete, ...) keep their own explicit classes below instead. */
.button.primary, input[type="submit"] {
  background: var(--text); color: var(--bg); border-color: var(--text); font-weight: 600;
}
button.secondary, .button.secondary { background: transparent; color: var(--text); border-color: var(--border); }
button.danger, .button.danger { background: transparent; color: var(--danger); border-color: var(--danger); }
button.link-button { background: none; border: none; color: var(--muted); padding: 0; text-decoration: underline; }

.narrow { max-width: 360px; margin: 40px auto; }
.narrow .card { margin-bottom: 0; }
.muted { color: var(--muted); }
.mono { font-family: "IBM Plex Mono", ui-monospace, "SF Mono", Menlo, monospace; font-size: 12px; }
.stack > * + * { margin-top: 20px; }
.actions-row { display: flex; gap: 8px; align-items: center; }

/* --- club progress / summary charts --- */
.club { margin-bottom: 28px; }
.club .meta { color: var(--muted); font-size: 12px; margin: 0 0 10px; }
.charts {
  display: flex; flex-wrap: nowrap; gap: 16px;
  overflow-x: auto; padding-bottom: 8px; margin: 0 -16px; padding-left: 16px; padding-right: 16px;
}
.chart-card {
  flex: 0 0 340px; width: 340px;
  background: var(--card-bg); border: 1px solid var(--border); border-radius: 10px;
  padding: 12px 14px 6px;
}
.chart { width: 100%; height: auto; display: block; overflow: visible; }
.grid { stroke: var(--grid); stroke-width: 1; }
.ytick, .xtick { fill: var(--muted); font-size: 9px; }
.band { fill: var(--band); stroke: none; }
.line { stroke-width: 1.5; }
.line.p50 { stroke: var(--p50); stroke-width: 2.5; }
.line.p25 { stroke: var(--p25); stroke-dasharray: 3 3; }
.line.p75 { stroke: var(--p75); stroke-dasharray: 3 3; }
.dot.p50 { fill: var(--p50); }
.dot.p25 { fill: var(--p25); }
.dot.p75 { fill: var(--p75); }
.empty { color: var(--muted); font-size: 12.5px; }
.legend {
  display: flex; flex-wrap: wrap; gap: 16px;
  margin-bottom: 24px; padding: 10px 14px;
  background: var(--card-bg); border: 1px solid var(--border); border-radius: 8px;
  font-size: 12px; color: var(--muted);
}
.legend span.item { display: inline-flex; align-items: center; gap: 6px; white-space: nowrap; }
.swatch { width: 12px; height: 12px; border-radius: 2px; display: inline-block; }

/* --- api key --- */
.api-key { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.api-key code { padding: 6px 10px; background: var(--grid); border-radius: 6px; }
pre.endpoint-list { font-size: 12px; overflow-x: auto; background: var(--grid); padding: 12px; border-radius: 8px; }