/* Layout, components and theme. */

/* Base */

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: 72px; }

body {
  margin: 0;
  background: var(--page);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 { line-height: 1.25; margin: 0 0 var(--gap-sm); font-weight: 650; }
h1 { font-size: 1.9rem; letter-spacing: -0.02em; }
h2 { font-size: 1.45rem; letter-spacing: -0.015em; }
h3 { font-size: 1.08rem; }
h4 { font-size: 0.94rem; }
p  { margin: 0 0 var(--gap); max-width: var(--measure); }

a { color: var(--brand-blue); text-decoration-thickness: 1px; text-underline-offset: 2px; }
a:hover { text-decoration-thickness: 2px; }

code, .mono { font-family: var(--font-mono); font-size: 0.88em; }

.muted     { color: var(--text-muted); }
.secondary { color: var(--text-secondary); }
.small     { font-size: 0.83rem; }
.tnum      { font-variant-numeric: tabular-nums; }

.visually-hidden {
  position: absolute; width: 1px; height: 1px; overflow: hidden;
  clip: rect(0 0 0 0); clip-path: inset(50%); white-space: nowrap;
}

/* Masthead */

.masthead {
  position: sticky; top: 0; z-index: 40;
  background: var(--brand-navy);
  color: var(--text-on-navy);
  border-bottom: 3px solid var(--brand-blue);
}

.masthead__inner {
  max-width: 1400px; margin: 0 auto;
  padding: 10px var(--gap-lg);
  display: flex; align-items: center; gap: var(--gap);
  flex-wrap: wrap;
}

.brand { display: flex; align-items: baseline; gap: 10px; }
.brand__name {
  font-size: 1.28rem; font-weight: 700; letter-spacing: 0.09em;
}
.brand__expansion {
  font-size: 0.72rem; color: var(--text-on-navy-dim);
  letter-spacing: 0.02em; max-width: 46ch; line-height: 1.35;
}

.team-badge {
  background: rgba(255, 255, 255, 0.12);
  border-radius: 999px; padding: 3px 11px;
  font-size: 0.68rem; font-weight: 700; letter-spacing: 0.09em;
  white-space: nowrap;
}
.masthead__spacer { flex: 1 1 auto; }

.icon-btn {
  background: rgba(255, 255, 255, 0.1); color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-sm); padding: 5px 10px;
  font-size: 0.78rem; cursor: pointer; font-family: inherit;
}
.icon-btn:hover { background: rgba(255, 255, 255, 0.2); }

/* Layout */

.wrap { max-width: 1400px; margin: 0 auto; padding: 0 var(--gap-lg); }

/* The sections form one continuous page, so a rule separates the stack. */
.section { padding: var(--gap-xl) 0; border-top: 1px solid var(--border); }
.section:first-child { border-top: 0; }

.section__eyebrow {
  font-size: 0.72rem; font-weight: 700; letter-spacing: 0.11em;
  text-transform: uppercase; color: var(--brand-blue); margin-bottom: 6px;
}
.section__lede { font-size: 1.02rem; color: var(--text-secondary); max-width: var(--measure); }

.grid { display: grid; gap: var(--gap); }
.grid--2 { grid-template-columns: repeat(auto-fit, minmax(340px, 1fr)); }

.card {
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: var(--gap-lg);
  box-shadow: var(--shadow-sm);
}

.callout {
  border-left: 3px solid var(--brand-blue);
  background: var(--brand-blue-soft);
  padding: var(--gap) var(--gap-lg);
  border-radius: 0 var(--radius) var(--radius) 0;
  margin-bottom: var(--gap);
}
.callout--warn { border-left-color: var(--status-warning); background: rgba(250, 178, 25, 0.10); }
.callout--key  { border-left-color: var(--brand-navy); background: var(--surface-2); }
.callout p:last-child { margin-bottom: 0; }

/* Stat tiles */

.tiles { display: grid; gap: var(--gap); grid-template-columns: repeat(auto-fit, minmax(178px, 1fr)); }

.tile {
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: var(--gap);
}
.tile__label {
  font-size: 0.7rem; font-weight: 700; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--text-muted); margin-bottom: 4px;
}
.tile__value {
  font-size: 2rem; font-weight: 680; line-height: 1.1;
  letter-spacing: -0.02em;
  /* Proportional figures: tabular-nums makes display sizes look loose. */
}
.tile__value--sm { font-size: 1.4rem; }
.tile__note { font-size: 0.78rem; color: var(--text-secondary); margin-top: 4px; }
.tile__value.is-critical { color: var(--status-critical); }
.tile__value.is-good { color: var(--delta-good-text); }

/* Controls */

.controls {
  display: flex; flex-wrap: wrap; gap: var(--gap);
  align-items: flex-end;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: var(--gap);
  margin-bottom: var(--gap);
}
.field { display: flex; flex-direction: column; gap: 3px; }
.field > label {
  font-size: 0.7rem; font-weight: 700; letter-spacing: 0.07em;
  text-transform: uppercase; color: var(--text-muted);
}
select, input[type="number"] {
  font-family: inherit; font-size: 0.9rem;
  padding: 6px 9px; border-radius: var(--radius-sm);
  border: 1px solid var(--border-strong);
  background: var(--surface-1); color: var(--text-primary);
  min-width: 148px;
}
select:focus, input:focus, button:focus-visible, a:focus-visible {
  outline: 2px solid var(--brand-blue); outline-offset: 2px;
}

.btn {
  font-family: inherit; font-size: 0.85rem; font-weight: 600;
  padding: 7px 14px; border-radius: var(--radius-sm);
  border: 1px solid var(--border-strong);
  background: var(--surface-1); color: var(--text-primary);
  cursor: pointer;
}
.btn:hover { background: var(--surface-2); }
.btn--primary {
  background: var(--brand-navy); color: #fff; border-color: var(--brand-navy);
}
.btn--primary:hover { background: var(--brand-navy-deep); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

.btn-row { display: flex; gap: 6px; }

/* Chart frame */

.chart { position: relative; }
.chart__frame { position: relative; width: 100%; }
.chart__frame canvas { display: block; width: 100%; }

.chart__head {
  display: flex; align-items: baseline; justify-content: space-between;
  gap: var(--gap); flex-wrap: wrap; margin-bottom: var(--gap-sm);
}
.chart__title { font-size: 1rem; font-weight: 650; margin: 0; }
.chart__note { font-size: 0.8rem; color: var(--text-muted); margin: 6px 0 0; max-width: var(--measure); }

/* Every chart is shown with its table twin, so the table is always rendered. */
.chart__table { display: block; overflow-x: auto; }

/* Tables */

table.data {
  border-collapse: collapse; width: 100%;
  font-size: 0.84rem; font-variant-numeric: tabular-nums;
}
table.data caption {
  text-align: left; font-size: 0.8rem; color: var(--text-muted);
  padding-bottom: 6px;
}
table.data th, table.data td {
  padding: 7px 10px; text-align: right;
  border-bottom: 1px solid var(--gridline);
  white-space: nowrap;
}
table.data th:first-child, table.data td:first-child { text-align: left; }
table.data thead th {
  background: var(--brand-navy); color: #fff;
  font-size: 0.74rem; letter-spacing: 0.04em; text-transform: uppercase;
  border-bottom: none;
}
table.data tbody tr:hover { background: var(--surface-2); }
table.data td.num { font-variant-numeric: tabular-nums; }

.swatch-dot {
  display: inline-block; width: 9px; height: 9px; border-radius: 2px;
  margin-right: 7px; vertical-align: baseline;
}

/* Waterfall */

.wf { position: relative; }
.wf__canvas-wrap { position: relative; width: 100%; }
.wf canvas { display: block; width: 100%; border-radius: var(--radius-sm); }
#wf-view { background: var(--wf-surface); border: 1px solid var(--border); }

.wf__axis {
  display: flex; justify-content: space-between;
  font-size: 0.72rem; color: var(--text-muted); margin-top: 4px;
}

.wf__playbar {
  display: flex; align-items: center; gap: var(--gap);
  flex-wrap: wrap; margin-top: var(--gap);
  padding-top: var(--gap); border-top: 1px solid var(--gridline);
}
.wf__scrub { flex: 1 1 240px; min-width: 200px; }
.wf__scrub input[type="range"] { width: 100%; accent-color: var(--brand-blue); }
.wf__step { font-variant-numeric: tabular-nums; font-size: 0.84rem; min-width: 132px; }

.wf__tooltip,
.chart__tip {
  position: absolute; pointer-events: none; z-index: 10;
  background: var(--brand-navy); color: #fff;
  font-size: 0.76rem; line-height: 1.45;
  padding: 7px 10px; border-radius: var(--radius-sm);
  box-shadow: var(--shadow); max-width: 280px;
  opacity: 0; transition: opacity 0.1s;
}
.wf__tooltip.is-visible,
.chart__tip.is-visible { opacity: 1; }
.wf__tooltip b,
.chart__tip b { color: var(--brand-gold); }

/* Live counter bars */

.bars { display: grid; gap: 5px; }
.bar-row { display: grid; grid-template-columns: 4.5rem 1fr 3.2rem; gap: 10px; align-items: center; font-size: 0.82rem; }
.bar-row__label { color: var(--text-secondary); }
.bar-row__track { background: var(--surface-sunken); border-radius: 4px; height: 9px; overflow: hidden; }
.bar-row__fill { height: 100%; border-radius: 4px; }
.bar-row__value { text-align: right; font-variant-numeric: tabular-nums; color: var(--text-secondary); }

/* Limitations */

.finding {
  border-left: 3px solid var(--status-serious);
  background: var(--surface-1); border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  padding: var(--gap) var(--gap-lg); margin-bottom: var(--gap);
  border-top: 1px solid var(--border); border-right: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.finding__head { display: flex; align-items: baseline; gap: var(--gap-sm); flex-wrap: wrap; }
.finding__title { font-weight: 650; font-size: 0.95rem; }
.tag {
  font-size: 0.68rem; font-weight: 700; letter-spacing: 0.06em;
  text-transform: uppercase; padding: 2px 8px; border-radius: 999px;
}
.tag--structural { background: rgba(208, 59, 59, 0.12); color: var(--status-critical); }
.tag--scope      { background: rgba(250, 178, 25, 0.16); color: #8a5a00; }
.tag--tuning     { background: rgba(30, 107, 211, 0.12); color: var(--brand-blue); }
.finding__fix {
  margin-top: 8px; padding-top: 8px; border-top: 1px solid var(--gridline);
  font-size: 0.88rem;
}
.finding__fix b { color: var(--text-primary); }

/* Footer */

.footer {
  background: var(--brand-navy); color: var(--text-on-navy-dim);
  padding: var(--gap-lg) 0; margin-top: var(--gap-xl);
  font-size: 0.8rem;
}
.footer a { color: var(--text-on-navy); }
.footer__row { display: flex; gap: var(--gap); flex-wrap: wrap; align-items: baseline; }

.status-line {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 0.75rem; padding: 2px 9px; border-radius: 999px;
  border: 1px solid var(--border-strong); color: var(--text-secondary);
}
.status-line--live  { border-color: var(--status-good); color: var(--delta-good-text); }
.status-line--local { border-color: var(--text-muted); }

/* Responsive */

@media (max-width: 720px) {
  .wrap, .masthead__inner { padding-left: var(--gap); padding-right: var(--gap); }
  h1 { font-size: 1.5rem; }
  .brand__expansion { display: none; }
  .tile__value { font-size: 1.6rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
}