/* SPRS Score Calculator — "assessment worksheet meets instrument panel"
   Display: Barlow Semi Condensed · Body: Barlow · Data: IBM Plex Mono */

:root {
  --paper: #F5F6F2;
  --panel: #FFFFFF;
  --ink: #1C2733;
  --ink2: #5A6672;
  --line: #D9DEE2;
  --navy: #16263D;
  --navy-ink: #F5F6F2;
  --blue: #2257A5;
  --good: #1E7A46;
  --warn: #8A6100;
  --serious: #B4530A;
  --critical: #B3261E;
  --track: #E4E8EA;
  --pts5: #B3261E;
  --pts3: #B4530A;
  --pts1: #5A6672;
}

@media (prefers-color-scheme: dark) {
  :root {
    --paper: #12181F;
    --panel: #1A222C;
    --ink: #E7ECF0;
    --ink2: #9BA7B2;
    --line: #2C3743;
    --navy: #0E1826;
    --navy-ink: #D9E2EC;
    --blue: #7FA6DE;
    --good: #4CC38A;
    --warn: #E5B454;
    --serious: #F08C4A;
    --critical: #F28B82;
    --track: #26303B;
    --pts5: #F28B82;
    --pts3: #F08C4A;
    --pts1: #9BA7B2;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 400 16px/1.55 "Barlow", system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
}

.mono { font-family: "IBM Plex Mono", ui-monospace, monospace; }

h1, h2, h3 {
  font-family: "Barlow Semi Condensed", "Barlow", sans-serif;
  font-weight: 700;
  line-height: 1.12;
  margin: 0 0 .5rem;
  letter-spacing: -.01em;
}

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

:focus-visible { outline: 2px solid var(--blue); outline-offset: 2px; border-radius: 2px; }

/* ---- document-control banner ---- */
.doc-banner {
  display: flex;
  justify-content: center;
  gap: 2.5rem;
  flex-wrap: wrap;
  background: var(--navy);
  color: var(--navy-ink);
  font-family: "IBM Plex Mono", monospace;
  font-size: .68rem;
  letter-spacing: .14em;
  padding: .45rem 1rem;
}

/* ---- sticky mini score bar ---- */
.mini-bar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: baseline;
  gap: .6rem;
  padding: .4rem 1.25rem;
  background: var(--panel);
  border-bottom: 1px solid var(--line);
}
.mini-title {
  font-family: "Barlow Semi Condensed", sans-serif;
  font-weight: 600;
  font-size: .8rem;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--ink2);
}
.mini-score { font-size: 1.15rem; font-weight: 600; }
.mini-sub { font-size: .75rem; color: var(--ink2); }

/* ---- layout ---- */
.page { max-width: 1080px; margin: 0 auto; padding: 2.5rem 1.25rem 4rem; }

.hero {
  display: grid;
  grid-template-columns: 1.15fr .95fr;
  gap: 2.5rem;
  align-items: start;
  margin-bottom: 2.5rem;
}
.hero h1 { font-size: clamp(2.1rem, 4.5vw, 3.1rem); }
.lede { font-size: 1.06rem; color: var(--ink); max-width: 34rem; }
.byline { color: var(--ink2); font-size: .9rem; }

/* ---- score panel (the instrument) ---- */
.score-panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-top: 3px solid var(--navy);
  border-radius: 6px;
  padding: 1.1rem 1.25rem 1.25rem;
}
.score-head {
  font-family: "Barlow Semi Condensed", sans-serif;
  font-weight: 600;
  font-size: .8rem;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: var(--ink2);
}
.score-row { display: flex; align-items: baseline; gap: .4rem; }
.score-num { font-size: 3.4rem; font-weight: 600; line-height: 1.1; }
.score-max { color: var(--ink2); font-size: 1rem; }
.score-label { font-weight: 600; min-height: 1.4em; }
.score-detail { color: var(--ink2); font-size: .85rem; margin-top: .55rem; }

.tier-good { color: var(--good); }
.tier-warn { color: var(--warn); }
.tier-serious { color: var(--serious); }
.tier-critical { color: var(--critical); }
.tier-none { color: var(--ink2); }

/* the −203..110 rule */
.meter { margin-top: .9rem; }
.meter-track {
  position: relative;
  height: 14px;
  background:
    repeating-linear-gradient(to right, var(--line) 0 1px, transparent 1px 10%) ,
    var(--track);
  border-radius: 3px;
  overflow: visible;
}
.meter-fill {
  position: absolute; inset: 0 auto 0 0;
  width: 0%;
  background: color-mix(in srgb, var(--blue) 28%, transparent);
  border-radius: 3px 0 0 3px;
  transition: width .35s ease;
}
.meter-zero {
  position: absolute;
  left: 64.9%;
  top: -3px; bottom: -3px;
  width: 2px;
  background: var(--ink2);
}
.meter-needle {
  position: absolute;
  left: 0%;
  top: -5px; bottom: -5px;
  width: 3px;
  background: var(--blue);
  border-radius: 2px;
  transition: left .35s ease;
}
.needle-off { background: var(--ink2); opacity: .45; }
.meter-scale {
  display: flex;
  justify-content: space-between;
  font-size: .68rem;
  color: var(--ink2);
  margin-top: .3rem;
  position: relative;
}
.meter-zero-label { position: absolute; left: 64.9%; transform: translateX(-50%); }

.ssp-warning {
  margin-top: .8rem;
  font-size: .85rem;
  color: var(--serious);
  border-left: 3px solid var(--serious);
  padding-left: .7rem;
}

.panel-actions { display: flex; gap: .6rem; margin-top: 1rem; }

/* ---- buttons ---- */
.btn {
  display: inline-block;
  font: 600 .92rem "Barlow", sans-serif;
  color: var(--ink);
  background: var(--panel);
  border: 1px solid var(--ink2);
  border-radius: 4px;
  padding: .55rem 1rem;
  cursor: pointer;
  text-decoration: none;
}
.btn:hover { border-color: var(--ink); }
.btn-primary {
  background: var(--navy);
  color: var(--navy-ink);
  border-color: var(--navy);
}
.btn-primary:hover { opacity: .92; }
.btn-small { font-size: .8rem; padding: .35rem .7rem; }
.btn-quiet { border-color: var(--line); color: var(--ink2); }

/* ---- step 0 + how ---- */
.step0, .how {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 1.25rem 1.4rem;
  margin-bottom: 1.25rem;
  max-width: 46rem;
}
.step0 h2, .how h2 { font-size: 1.3rem; }
.step-tag {
  color: var(--blue);
  font-size: .8rem;
  letter-spacing: .1em;
  vertical-align: .18em;
  margin-right: .3rem;
}
.ssp-choice { display: flex; gap: 1rem; flex-wrap: wrap; margin-top: .8rem; }
.ssp-opt {
  display: flex; align-items: center; gap: .5rem;
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: .5rem .8rem;
  cursor: pointer;
  background: var(--paper);
}
.ssp-opt:has(input:checked) { border-color: var(--blue); background: color-mix(in srgb, var(--blue) 8%, var(--paper)); }

/* ---- families ---- */
.family {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 6px;
  margin-bottom: 1rem;
  overflow: hidden;
}
.family-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  padding: .8rem 1.25rem;
  border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--navy) 4%, var(--panel));
}
.family-head h3 { font-size: 1.08rem; margin: 0; }
.fam-id { font-family: "IBM Plex Mono", monospace; font-weight: 500; color: var(--ink2); font-size: .85em; margin-right: .15rem; }
.fam-meta { display: flex; align-items: center; gap: .7rem; }
.fam-count { font-family: "IBM Plex Mono", monospace; font-size: .78rem; color: var(--ink2); min-width: 3.2em; text-align: right; }
.fam-track {
  width: 90px; height: 6px;
  background: var(--track);
  border-radius: 3px;
  overflow: hidden;
  display: inline-block;
}
.fam-fill { display: block; height: 100%; width: 0; background: var(--blue); transition: width .3s ease; }
.fam-btn {
  font: 500 .72rem "Barlow", sans-serif;
  color: var(--ink2);
  background: none;
  border: 1px solid var(--line);
  border-radius: 3px;
  padding: .2rem .5rem;
  cursor: pointer;
}
.fam-btn:hover { color: var(--ink); border-color: var(--ink2); }

.control {
  display: flex;
  align-items: flex-start;
  gap: .8rem;
  padding: .7rem 1.25rem;
  border-bottom: 1px solid var(--line);
}
.control:last-child { border-bottom: none; }
.control input[type=checkbox] {
  width: 17px; height: 17px;
  margin-top: .22rem;
  accent-color: var(--blue);
  flex: none;
  cursor: pointer;
}
.ctl-body { flex: 1; cursor: pointer; }
.ctl-body p { margin: 0; font-size: .93rem; }
.ctl-id {
  font-family: "IBM Plex Mono", monospace;
  font-size: .78rem;
  font-weight: 500;
  color: var(--ink2);
  display: inline-block;
  margin-bottom: .1rem;
}
.ctl-note { color: var(--ink2); font-size: .82rem !important; margin-top: .25rem !important; }
.control-ssp { background: color-mix(in srgb, var(--blue) 5%, var(--panel)); }

.pts {
  font-family: "IBM Plex Mono", monospace;
  font-size: .78rem;
  font-weight: 600;
  border-radius: 3px;
  padding: .1rem .45rem;
  border: 1px solid var(--line);
  flex: none;
  margin-top: .15rem;
}
.pts-5 { color: var(--pts5); border-color: color-mix(in srgb, var(--pts5) 45%, transparent); }
.pts-3 { color: var(--pts3); border-color: color-mix(in srgb, var(--pts3) 45%, transparent); }
.pts-1 { color: var(--pts1); }
.pts-req { color: var(--blue); border-color: color-mix(in srgb, var(--blue) 45%, transparent); }

/* three-option controls (3.5.3 / 3.13.11) */
.tri { display: flex; flex-direction: column; gap: .35rem; margin-top: .5rem; }
.tri-opt {
  display: flex; align-items: center; gap: .5rem;
  font-size: .86rem;
  cursor: pointer;
}
.tri-opt input { accent-color: var(--blue); }

/* ---- gap report ---- */
.report { margin: 2.5rem 0; }
.report h2 { font-size: 1.5rem; }
.report-date-wrap { font-size: .75rem; color: var(--ink2); font-weight: 400; letter-spacing: .05em; }
.report-line { font-size: .95rem; }
#report-body { overflow-x: auto; }
.report table {
  width: 100%;
  border-collapse: collapse;
  font-size: .88rem;
  background: var(--panel);
  border: 1px solid var(--line);
}
.report th {
  text-align: left;
  font-family: "Barlow Semi Condensed", sans-serif;
  font-size: .78rem;
  text-transform: uppercase;
  letter-spacing: .07em;
  color: var(--ink2);
  padding: .5rem .7rem;
  border-bottom: 1px solid var(--line);
}
.report td { padding: .45rem .7rem; border-bottom: 1px solid var(--line); vertical-align: top; }
.report td.mono { white-space: nowrap; font-size: .8rem; }
.report-hint { color: var(--ink2); font-size: .82rem; }
.report-clean { color: var(--good); font-weight: 600; }

/* ---- CTA ---- */
.cta {
  background: var(--navy);
  color: var(--navy-ink);
  border-radius: 6px;
  padding: 1.6rem 1.7rem;
  max-width: 46rem;
}
.cta h2 { font-size: 1.5rem; }
.cta p { color: color-mix(in srgb, var(--navy-ink) 88%, transparent); }
.cta-actions { display: flex; gap: .8rem; flex-wrap: wrap; margin-top: 1rem; }
.cta .btn-primary { background: var(--navy-ink); color: var(--navy); border-color: var(--navy-ink); }
.cta .btn { border-color: color-mix(in srgb, var(--navy-ink) 50%, transparent); color: var(--navy-ink); background: none; }

/* ---- footer ---- */
.foot { margin-top: 2.5rem; color: var(--ink2); font-size: .82rem; max-width: 46rem; }
.foot-stamp { letter-spacing: .12em; font-size: .68rem; margin-top: 1.4rem; }
.noscript { max-width: 46rem; margin: 1rem auto; padding: 0 1.25rem; }

/* ---- responsive ---- */
@media (max-width: 840px) {
  .hero { grid-template-columns: 1fr; gap: 1.5rem; }
  .fam-meta { width: 100%; justify-content: flex-start; }
  .fam-count { text-align: left; }
}

@media (prefers-reduced-motion: reduce) {
  .meter-needle, .meter-fill, .fam-fill { transition: none; }
}

/* ---- print: the gap report becomes the document ---- */
@media print {
  .doc-banner, .mini-bar, .hero, .step0, .how, #families, .cta, .panel-actions, .report-hint, .noscript { display: none !important; }
  body { background: #fff; color: #000; font-size: 12px; }
  .page { max-width: none; padding: 0; }
  .report { margin: 0; }
  .report table, .report td, .report th { border-color: #999; }
  .foot { font-size: 9px; color: #444; }
}