/* ============================================================
   PDF-RATER · 3DTSI brand: teal, white, black, gold trim
   ============================================================ */

:root {
  --teal-900: #004D52;
  --teal-700: #006A72;
  --teal-600: #00838F;
  --teal-500: #00ACC1;
  --teal-50:  #E0F4F6;

  --gold-600: #B8860B;
  --gold-500: #C9A227;
  --gold-300: #E6C757;

  --ink-900:  #0E1418;
  --ink-700:  #1F2A30;
  --ink-500:  #4A5660;
  --ink-300:  #8A949C;
  --ink-200:  #C2C9D0;
  --ink-100:  #E6EAEE;
  --ink-50:   #F5F7FA;
  --paper:    #FFFFFF;

  --green: #2E7D32;
  --green-50: #E8F5E9;
  --yellow: #C9A227;
  --yellow-50: #FDF6DA;
  --orange: #D9831A;
  --orange-50: #FCEDD9;
  --red: #B3261E;
  --red-50: #FBE9E7;

  --shadow-sm: 0 1px 2px rgba(14,20,24,0.06), 0 1px 3px rgba(14,20,24,0.08);
  --shadow-md: 0 4px 12px rgba(14,20,24,0.08), 0 2px 4px rgba(14,20,24,0.06);
  --shadow-lg: 0 12px 32px rgba(14,20,24,0.12), 0 4px 8px rgba(14,20,24,0.06);

  --radius: 12px;
  --radius-sm: 8px;
}

* { box-sizing: border-box; }

html, body { height: 100%; }
body {
  margin: 0;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto,
               'Helvetica Neue', Arial, sans-serif;
  font-size: 14px;
  color: var(--ink-900);
  background: var(--ink-50);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

button { font-family: inherit; }
.hidden { display: none !important; }
.muted { color: var(--ink-500); }

/* ============ TOPBAR ============ */
.topbar {
  display: flex; align-items: center; justify-content: space-between;
  background: var(--ink-900);
  color: white;
  padding: 14px 28px;
  border-bottom: 3px solid var(--gold-500);
  position: sticky; top: 0; z-index: 50;
}
.brand { display: flex; align-items: center; gap: 14px; }
.brand__mark svg { width: 40px; height: 40px; display: block; }
.brand__title {
  font-weight: 700; letter-spacing: 0.3px; font-size: 18px;
}
.brand__sub {
  font-size: 11px; color: var(--teal-50); opacity: 0.85;
  letter-spacing: 0.6px; text-transform: uppercase;
}
.topbar__nav { display: flex; gap: 4px; }
.navbtn {
  background: transparent; color: #C9D6DD;
  border: 1px solid transparent;
  padding: 8px 14px; border-radius: var(--radius-sm);
  cursor: pointer; font-size: 13px; font-weight: 500;
  transition: background 120ms, color 120ms, border-color 120ms;
}
.navbtn:hover { background: rgba(255,255,255,0.06); color: white; }
.navbtn--active {
  background: var(--teal-600); color: white;
  border-color: var(--gold-500);
}

/* ============ LAYOUT ============ */
.layout {
  max-width: 1280px;
  margin: 0 auto;
  padding: 24px;
}
.tab { display: none; }
.tab--active { display: block; }

.card {
  background: var(--paper);
  border: 1px solid var(--ink-100);
  border-radius: var(--radius);
  padding: 20px 22px;
  box-shadow: var(--shadow-sm);
  margin-bottom: 18px;
}
.card__head {
  display: flex; align-items: baseline; justify-content: space-between;
  margin-bottom: 14px; padding-bottom: 10px;
  border-bottom: 1px solid var(--ink-100);
}
.card__head h3 {
  margin: 0; font-size: 15px; font-weight: 700;
  letter-spacing: 0.2px; color: var(--ink-900);
}
.card__sub {
  font-size: 12px; color: var(--ink-500);
}

/* ============ DROPZONE ============ */
.card--drop {
  border: 2px dashed var(--ink-200);
  background: linear-gradient(180deg, #FFFFFF 0%, #FAFCFD 100%);
  text-align: center;
  padding: 56px 24px;
  transition: border-color 150ms, background 150ms;
}
.card--drop.is-hover {
  border-color: var(--teal-600);
  background: var(--teal-50);
}
.drop__title {
  margin: 8px 0 4px; font-size: 22px; color: var(--ink-900);
}
.drop__hint { color: var(--ink-500); font-size: 14px; }
.drop__warn {
  color: var(--ink-300); font-size: 12px;
  margin-top: 14px; letter-spacing: 0.2px;
}
.linkbtn {
  background: none; border: none; color: var(--teal-600);
  cursor: pointer; font-weight: 600; padding: 0;
  text-decoration: underline; font-size: inherit;
}
.linkbtn:hover { color: var(--teal-700); }

/* ============ PROGRESS ============ */
.card--progress { padding: 18px 22px; }
.progress__head {
  display: flex; justify-content: space-between; align-items: flex-end;
  margin-bottom: 10px;
}
.progress__file {
  font-weight: 600; color: var(--ink-900);
}
.progress__step {
  font-size: 12px; color: var(--ink-500); margin-top: 2px;
}
.progress__pct {
  font-size: 22px; font-weight: 700; color: var(--teal-600);
}
.progress__bar {
  width: 100%; height: 8px; background: var(--ink-100);
  border-radius: 999px; overflow: hidden;
}
.progress__fill {
  width: 0%; height: 100%;
  background: linear-gradient(90deg, var(--teal-500), var(--teal-600));
  transition: width 200ms ease;
}
.progress__detail {
  font-size: 12px; color: var(--ink-500); margin-top: 8px;
  font-family: 'SFMono-Regular', Menlo, Consolas, monospace;
}

/* ============ SUMMARY (score ring) ============ */
.card--summary {
  display: flex; align-items: center; justify-content: space-between;
  gap: 20px; padding: 24px 22px;
}
.summary__filename {
  font-size: 18px; font-weight: 700; color: var(--ink-900);
  word-break: break-all;
}
.summary__meta {
  font-size: 12px; color: var(--ink-500); margin-top: 4px;
}
.summary__right {
  display: flex; align-items: center; gap: 22px;
}
.summary__score {
  display: flex; align-items: center; gap: 16px;
}
.score__ring {
  position: relative; width: 120px; height: 120px;
}
.score__ring svg { display: block; }
.score__value {
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  flex-direction: column;
  font-weight: 800; font-size: 30px; color: var(--ink-900);
}
.score__value small { font-size: 11px; color: var(--ink-500); font-weight: 500; }
.score__label {
  font-size: 14px; font-weight: 700; letter-spacing: 0.4px;
  text-transform: uppercase; color: var(--ink-700);
}
.summary__decision {
  padding: 10px 16px; border-radius: var(--radius-sm);
  font-weight: 700; letter-spacing: 0.3px;
  background: var(--ink-100); color: var(--ink-700);
  border: 1px solid var(--ink-200);
  text-align: center; font-size: 13px; max-width: 220px;
}

/* Color states for the decision badge */
.b-green  { background: var(--green-50);  color: var(--green);  border-color: #C8E6C9; }
.b-yellow { background: var(--yellow-50); color: #8B6F0F;       border-color: #F0E0A0; }
.b-orange { background: var(--orange-50); color: var(--orange); border-color: #F5C9A0; }
.b-red    { background: var(--red-50);    color: var(--red);    border-color: #F4B5B0; }

/* ============ METRIC CARDS ============ */
.grid {
  display: grid; gap: 12px;
}
.grid--metrics {
  grid-template-columns: repeat(6, 1fr);
  margin-bottom: 18px;
}
.grid--two { grid-template-columns: 1fr 1fr; }

@media (max-width: 1100px) { .grid--metrics { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 700px)  { .grid--metrics { grid-template-columns: repeat(2, 1fr); } .grid--two { grid-template-columns: 1fr; } }

.metric {
  background: var(--paper); border: 1px solid var(--ink-100);
  border-radius: var(--radius-sm); padding: 12px 14px;
  box-shadow: var(--shadow-sm);
}
.metric__label {
  font-size: 11px; text-transform: uppercase; letter-spacing: 0.6px;
  color: var(--ink-500);
}
.metric__value {
  font-size: 18px; font-weight: 700; color: var(--ink-900);
  margin-top: 4px;
}
.metric__bar {
  margin-top: 8px; height: 6px; background: var(--ink-100); border-radius: 999px; overflow: hidden;
}
.metric__fill {
  height: 100%; width: 0%;
  background: linear-gradient(90deg, var(--teal-500), var(--teal-600));
  transition: width 250ms ease;
}

/* ============ WEIGHTED BARS ============ */
.bars { display: flex; flex-direction: column; gap: 10px; }
.bar {
  display: grid; grid-template-columns: 200px 1fr 70px;
  align-items: center; gap: 12px;
}
.bar__label { font-size: 13px; color: var(--ink-700); }
.bar__track { background: var(--ink-100); height: 12px; border-radius: 999px; overflow: hidden; }
.bar__fill { height: 100%; background: linear-gradient(90deg, var(--teal-500), var(--teal-600)); border-radius: 999px; transition: width 300ms ease; }
.bar__val { font-weight: 700; text-align: right; color: var(--ink-900); font-variant-numeric: tabular-nums; }
.bar--low .bar__fill { background: linear-gradient(90deg, #E07A5F, var(--red)); }
.bar--mid .bar__fill { background: linear-gradient(90deg, #E6C757, var(--orange)); }

/* ============ ISSUES LIST ============ */
.issues { list-style: none; padding: 0; margin: 0; }
.issues li {
  padding: 8px 10px; border-left: 3px solid var(--ink-200);
  margin-bottom: 6px; font-size: 13px; color: var(--ink-700);
  background: var(--ink-50); border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}
.issues li.sev-red    { border-left-color: var(--red);    background: var(--red-50); }
.issues li.sev-orange { border-left-color: var(--orange); background: var(--orange-50); }
.issues li.sev-yellow { border-left-color: var(--yellow); background: var(--yellow-50); }
.issues li.sev-green  { border-left-color: var(--green);  background: var(--green-50); }
.issues li b { color: var(--ink-900); }
.issues--rec li { border-left-color: var(--teal-600); background: var(--teal-50); }

/* ============ PAGE TABLE ============ */
.tablewrap { overflow-x: auto; }
.ptable {
  width: 100%; border-collapse: collapse; font-size: 13px;
  min-width: 1000px;
}
.ptable th, .ptable td {
  padding: 10px 10px; text-align: left;
  border-bottom: 1px solid var(--ink-100);
}
.ptable th {
  font-size: 11px; text-transform: uppercase; letter-spacing: 0.5px;
  color: var(--ink-500); background: var(--ink-50);
  position: sticky; top: 0;
}
.ptable tr:hover td { background: #FBFCFD; }
.tag {
  display: inline-block; padding: 2px 8px; border-radius: 999px;
  font-size: 11px; font-weight: 600; letter-spacing: 0.3px;
  background: var(--ink-100); color: var(--ink-700);
}
.tag--green  { background: var(--green-50); color: var(--green); }
.tag--yellow { background: var(--yellow-50); color: #8B6F0F; }
.tag--orange { background: var(--orange-50); color: var(--orange); }
.tag--red    { background: var(--red-50); color: var(--red); }

.score-cell { font-weight: 700; font-variant-numeric: tabular-nums; }

/* ============ ACTIONS ============ */
.actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 14px; }
.btn {
  padding: 10px 18px;
  background: var(--teal-600); color: white;
  border: 1px solid var(--teal-600);
  border-radius: var(--radius-sm); cursor: pointer;
  font-weight: 600; font-size: 13px; letter-spacing: 0.3px;
  transition: background 120ms, border-color 120ms, transform 80ms;
}
.btn:hover { background: var(--teal-700); border-color: var(--teal-700); }
.btn:active { transform: translateY(1px); }
.btn--ghost {
  background: transparent; color: var(--ink-700);
  border: 1px solid var(--ink-200);
}
.btn--ghost:hover { background: var(--ink-50); border-color: var(--ink-300); color: var(--ink-900); }
.btn--gold {
  background: var(--gold-500); color: var(--ink-900); border-color: var(--gold-600);
  box-shadow: 0 1px 2px rgba(184,134,11,0.25);
}
.btn--gold:hover { background: var(--gold-600); border-color: var(--gold-600); color: white; }

/* ============ SETTINGS ============ */
.settings {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px 24px;
}
.settings label {
  display: grid; gap: 4px; font-size: 12px;
  color: var(--ink-700); font-weight: 600; letter-spacing: 0.3px;
  text-transform: uppercase;
}
.settings input[type="number"] {
  font-size: 14px; padding: 8px 10px;
  border: 1px solid var(--ink-200); border-radius: var(--radius-sm);
  background: white; color: var(--ink-900);
  font-weight: 500; text-transform: none;
}
.settings input[type="number"]:focus {
  outline: none; border-color: var(--teal-600);
  box-shadow: 0 0 0 3px var(--teal-50);
}
.settings input[type="checkbox"] { margin-right: 6px; }
.settings__row {
  display: flex; gap: 12px; align-items: center; margin-top: 16px;
}

/* ============ ABOUT / PROSE ============ */
.prose p, .prose ul { color: var(--ink-700); line-height: 1.55; }
.prose h4 { color: var(--ink-900); margin: 18px 0 6px; }
.weights { width: 100%; border-collapse: collapse; margin: 12px 0; }
.weights th, .weights td {
  padding: 8px 10px; border-bottom: 1px solid var(--ink-100);
  font-size: 13px; text-align: left;
}
.weights th { font-size: 11px; text-transform: uppercase; color: var(--ink-500); }

/* ============ FOOTER ============ */
.footer {
  max-width: 1280px; margin: 12px auto 24px;
  padding: 0 28px; display: flex; justify-content: space-between;
  font-size: 12px; color: var(--ink-300);
}

/* ============ TOAST (errors) ============ */
.toast {
  position: fixed; bottom: 24px; right: 24px; z-index: 100;
  padding: 12px 16px; background: var(--ink-900); color: white;
  border-left: 4px solid var(--red); border-radius: var(--radius-sm);
  box-shadow: var(--shadow-lg); max-width: 360px; font-size: 13px;
}