/* IMS DU Admission Predictor — design tokens first; change colours here. */
:root {
  --paper: #faf8f5;
  --surface: #ffffff;
  --surface-2: #f3f0ea;
  --ink: #15171b;
  --ink-2: #4a4f58;
  --ink-3: #7a808a;
  --line: #e6e1d8;
  --accent: #b5121b;          /* IMS red */
  --accent-ink: #ffffff;
  --accent-soft: #fbeaea;
  --safe: #17784a;   --safe-bg: #e5f4ec;
  --likely: #1f5fbf; --likely-bg: #e7effb;
  --reach: #b05a06;  --reach-bg: #fbf0e3;
  --unlikely: #6b7078; --unlikely-bg: #eeeff1;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 1px 2px rgba(20, 20, 30, .04), 0 8px 24px rgba(20, 20, 30, .06);
  --logo-filter: none;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper: #121316; --surface: #1b1d21; --surface-2: #23262b; --ink: #f1efe9; --ink-2: #c3c6cc; --ink-3: #8f949c;
    --line: #2e3137; --accent: #e5484d; --accent-soft: #3a1c1e;
    --safe: #4cc38a; --safe-bg: #15301f; --likely: #6aa2ff; --likely-bg: #172640; --reach: #f0a24a; --reach-bg: #3a2812;
    --unlikely: #9aa0a8; --unlikely-bg: #26282c; --shadow: 0 1px 2px rgba(0,0,0,.3), 0 8px 24px rgba(0,0,0,.3);
    --logo-filter: invert(1); color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --paper: #121316; --surface: #1b1d21; --surface-2: #23262b; --ink: #f1efe9; --ink-2: #c3c6cc; --ink-3: #8f949c;
  --line: #2e3137; --accent: #e5484d; --accent-soft: #3a1c1e;
  --safe: #4cc38a; --safe-bg: #15301f; --likely: #6aa2ff; --likely-bg: #172640; --reach: #f0a24a; --reach-bg: #3a2812;
  --unlikely: #9aa0a8; --unlikely-bg: #26282c; --logo-filter: invert(1); color-scheme: dark;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--paper); color: var(--ink);
  font: 16px/1.55 "Plus Jakarta Sans", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  -webkit-font-smoothing: antialiased;
}
[hidden] { display: none !important; }
img { max-width: 100%; display: block; }
h1, h2, h3 { line-height: 1.2; letter-spacing: -0.02em; margin: 0 0 .5em; }
h1 { font-size: clamp(2rem, 4.6vw, 3.25rem); font-weight: 800; }
h2 { font-size: 1.45rem; font-weight: 750; }
h3 { font-size: 1.1rem; font-weight: 700; }
p { margin: 0 0 1em; }
.wrap { max-width: 1080px; margin: 0 auto; padding: 0 16px; }
.muted { color: var(--ink-2); }
.small { font-size: .875rem; }
.err { color: var(--accent); font-size: .8rem; min-height: 1em; display: block; }

/* top bar */
.topbar { position: sticky; top: 0; z-index: 20; background: color-mix(in srgb, var(--paper) 88%, transparent); backdrop-filter: saturate(1.4) blur(10px); border-bottom: 1px solid var(--line); }
.topbar__inner { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.brand__logo { height: 48px; width: auto; filter: var(--logo-filter); }
.topbar__tag { font-size: .85rem; color: var(--ink-2); }
.topbar__tag b { color: var(--accent); }

/* hero */
.hero { padding: 56px 0 40px; }
.hero__grid { display: grid; grid-template-columns: 1.25fr 1fr; gap: 48px; align-items: center; }
.eyebrow { text-transform: uppercase; letter-spacing: .12em; font-size: .75rem; font-weight: 700; color: var(--accent); margin-bottom: 14px; }
.hl { background: linear-gradient(transparent 62%, var(--accent-soft) 62%); }
.lead { font-size: 1.1rem; color: var(--ink-2); max-width: 36em; }
.ticks { list-style: none; padding: 0; margin: 0 0 28px; display: grid; gap: 8px; }
.ticks li { padding-left: 30px; position: relative; color: var(--ink); }
.ticks li::before { content: ""; position: absolute; left: 0; top: 3px; width: 20px; height: 20px; border-radius: 50%; background: var(--safe-bg); }
.ticks li::after { content: ""; position: absolute; left: 7px; top: 7px; width: 5px; height: 9px; border: solid var(--safe); border-width: 0 2px 2px 0; transform: rotate(45deg); }
.fineprint { font-size: .85rem; color: var(--ink-3); margin-top: 14px; }
.hero__card { background: var(--surface); border: 1px solid var(--line); border-radius: 22px; padding: 22px; box-shadow: var(--shadow); transform: rotate(1.2deg); }
.demo { display: grid; gap: 12px; }
.demo__row { display: grid; grid-template-columns: auto 1fr auto; gap: 12px; align-items: center; padding: 14px; border-radius: 12px; background: var(--surface-2); }
.demo__row b { display: block; font-size: .95rem; }
.demo__row small { color: var(--ink-2); }
.demo__row em { font-style: normal; font-weight: 700; font-size: .85rem; color: var(--ink-2); }
.demo__cap { margin: 10px 0 0; font-size: .75rem; color: var(--ink-3); text-align: right; }

/* buttons */
.btn { appearance: none; border: 1px solid transparent; border-radius: 999px; padding: 12px 22px; font: inherit; font-weight: 700; cursor: pointer; display: inline-flex; align-items: center; gap: 8px; transition: transform .08s ease, background .15s, box-shadow .15s; text-decoration: none; }
.btn:active { transform: translateY(1px); }
.btn:focus-visible, input:focus-visible, select:focus-visible, .tab:focus-visible, .chip:focus-visible { outline: 3px solid color-mix(in srgb, var(--accent) 45%, transparent); outline-offset: 2px; }
.btn--primary { background: var(--accent); color: var(--accent-ink); box-shadow: 0 6px 18px color-mix(in srgb, var(--accent) 30%, transparent); }
.btn--primary:hover { background: color-mix(in srgb, var(--accent) 88%, black); }
.btn--dark { background: var(--ink); color: var(--paper); }
.btn--ghost { background: transparent; color: var(--ink); border-color: var(--line); }
.btn--ghost:hover { background: var(--surface-2); }
.btn--lg { padding: 16px 28px; font-size: 1.05rem; }
.btn[disabled] { opacity: .6; cursor: progress; }

/* app */
.app { padding: 8px 0 32px; }
.steps { list-style: none; display: flex; gap: 8px; padding: 0; margin: 0 0 20px; counter-reset: s; }
.steps li { flex: 1; display: flex; align-items: center; gap: 10px; padding: 10px 14px; border-radius: 999px; background: var(--surface-2); color: var(--ink-3); font-weight: 600; font-size: .9rem; }
.steps li span { width: 26px; height: 26px; border-radius: 50%; display: grid; place-items: center; background: var(--line); color: var(--ink-2); font-size: .8rem; flex: none; }
.steps li.is-on { background: var(--ink); color: var(--paper); }
.steps li.is-on span { background: var(--accent); color: #fff; }
.steps li.is-done span { background: var(--safe); color: #fff; }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; box-shadow: var(--shadow); }
.step + .step { margin-top: 0; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 6px 20px; }
.grid3 { display: grid; grid-template-columns: 1fr 1.1fr 1.4fr; gap: 16px 20px; align-items: start; }
.field { display: grid; gap: 6px; margin: 0; border: 0; padding: 0; min-width: 0; }
.field > span, .field legend { font-size: .85rem; font-weight: 650; color: var(--ink-2); padding: 0; }
input, select { font: inherit; color: var(--ink); background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 12px 14px; width: 100%; min-width: 0; }
input:hover, select:hover { border-color: color-mix(in srgb, var(--ink) 25%, var(--line)); }
.field.has-err input, .field.has-err select { border-color: var(--accent); }
.phone { display: flex; border: 1px solid var(--line); border-radius: var(--radius-sm); overflow: hidden; background: var(--surface); }
.phone:focus-within { outline: 3px solid color-mix(in srgb, var(--accent) 45%, transparent); outline-offset: 2px; }
.phone__cc { padding: 12px 12px; background: var(--surface-2); color: var(--ink-2); font-weight: 600; border-right: 1px solid var(--line); }
.phone input { border: 0; border-radius: 0; letter-spacing: .04em; outline: none; }
.field.has-err .phone { border-color: var(--accent); }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }
.consent { display: flex; gap: 10px; align-items: flex-start; font-size: .85rem; color: var(--ink-2); margin: 10px 0 4px; }
.consent input { width: auto; margin-top: 3px; accent-color: var(--accent); }
.actions { display: flex; gap: 12px; justify-content: flex-end; margin-top: 20px; flex-wrap: wrap; }
.actions--split { justify-content: space-between; }

.seg { display: flex; flex-wrap: wrap; gap: 6px; }
.seg legend { margin-bottom: 6px; width: 100%; }
.seg label { flex: 1; }
.seg input { position: absolute; opacity: 0; width: 1px; }
.seg span { display: block; text-align: center; padding: 11px 8px; border: 1px solid var(--line); border-radius: var(--radius-sm); cursor: pointer; font-weight: 600; font-size: .9rem; }
.seg input:checked + span { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.seg input:focus-visible + span { outline: 3px solid color-mix(in srgb, var(--accent) 45%, transparent); }
.extras { display: grid; grid-template-columns: 1fr 1fr; gap: 6px 14px; }
.extras legend { margin-bottom: 6px; }
.extras label { display: flex; align-items: center; gap: 8px; font-size: .9rem; padding: 4px 0; }
.extras input { width: 18px; height: 18px; accent-color: var(--accent); }

.sub { margin-top: 28px; display: flex; align-items: baseline; gap: 12px; }
.sub small { font-weight: 600; color: var(--ink-3); font-size: .8rem; }
.search { margin: 6px 0 12px; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; max-height: 240px; overflow: auto; padding: 2px; }
.chipgroup { width: 100%; font-size: .72rem; text-transform: uppercase; letter-spacing: .1em; color: var(--ink-3); font-weight: 700; margin-top: 6px; }
.chip { border: 1px solid var(--line); background: var(--surface); color: var(--ink); border-radius: 999px; padding: 8px 14px; font: inherit; font-size: .88rem; cursor: pointer; }
.chip:hover { border-color: var(--ink-3); }
.chip.is-on { background: var(--accent); color: #fff; border-color: var(--accent); }
.chip[disabled] { opacity: .4; cursor: not-allowed; }

.papers { display: grid; gap: 10px; margin-top: 18px; }
.paper { display: grid; grid-template-columns: 1fr 130px auto 36px; gap: 12px; align-items: center; padding: 12px 14px; border: 1px solid var(--line); border-radius: 12px; background: var(--surface-2); }
.paper__name { font-weight: 650; }
.paper__name small { display: block; color: var(--ink-3); font-weight: 500; font-size: .78rem; }
.paper input[type="number"] { text-align: right; font-weight: 700; padding: 10px 12px; }
.switch { display: inline-flex; align-items: center; gap: 8px; font-size: .82rem; color: var(--ink-2); white-space: nowrap; cursor: pointer; }
.switch input { width: 18px; height: 18px; accent-color: var(--safe); }
.paper__x { border: 0; background: transparent; color: var(--ink-3); font-size: 1.3rem; cursor: pointer; border-radius: 8px; height: 36px; }
.paper__x:hover { background: var(--line); color: var(--ink); }

/* results */
.summary { display: grid; grid-template-columns: 1.3fr repeat(4, 1fr); gap: 16px; align-items: center; margin-bottom: 18px; }
.summary h2 { margin: 0; font-size: 1.25rem; }
.stat { padding: 14px 16px; border-radius: 12px; background: var(--surface-2); }
.stat b { display: block; font-size: 1.7rem; line-height: 1.1; }
.stat span { font-size: .8rem; color: var(--ink-2); font-weight: 600; }
.stat--safe { background: var(--safe-bg); } .stat--safe b { color: var(--safe); }
.stat--likely { background: var(--likely-bg); } .stat--likely b { color: var(--likely); }
.stat--reach { background: var(--reach-bg); } .stat--reach b { color: var(--reach); }
.tabs { display: flex; gap: 6px; margin-bottom: 14px; background: var(--surface-2); padding: 5px; border-radius: 999px; width: max-content; max-width: 100%; }
.tab { border: 0; background: transparent; font: inherit; font-weight: 650; padding: 10px 18px; border-radius: 999px; color: var(--ink-2); cursor: pointer; }
.tab.is-on { background: var(--surface); color: var(--ink); box-shadow: var(--shadow); }
.filters { display: grid; grid-template-columns: 1.4fr 1fr 1.4fr; gap: 16px; padding: 18px; margin-bottom: 10px; }
.bandfilter { display: flex; gap: 6px; flex-wrap: wrap; }
.bandfilter label { cursor: pointer; }
.bandfilter input { position: absolute; opacity: 0; width: 1px; }
.bandfilter input:not(:checked) + .pill { opacity: .35; filter: grayscale(1); }
.bandfilter input:focus-visible + .pill { outline: 3px solid color-mix(in srgb, var(--accent) 45%, transparent); }
.legend { margin: 6px 4px 14px; }

.pill { display: inline-block; padding: 5px 11px; border-radius: 999px; font-size: .75rem; font-weight: 750; letter-spacing: .02em; white-space: nowrap; }
.pill--safe { background: var(--safe-bg); color: var(--safe); }
.pill--likely { background: var(--likely-bg); color: var(--likely); }
.pill--reach { background: var(--reach-bg); color: var(--reach); }
.pill--unlikely { background: var(--unlikely-bg); color: var(--unlikely); }

.results { display: grid; gap: 10px; }
.res { background: var(--surface); border: 1px solid var(--line); border-radius: 14px; padding: 16px 18px; display: grid; grid-template-columns: 1fr auto; gap: 8px 16px; }
.res__title b { display: block; font-size: 1rem; }
.res__title span { color: var(--ink-2); font-size: .9rem; }
.res__side { text-align: right; }
.res__side .gap { display: block; font-size: .8rem; color: var(--ink-3); margin-top: 6px; font-weight: 600; }
.ladder { grid-column: 1 / -1; display: flex; gap: 6px; flex-wrap: wrap; }
.rung { font-size: .78rem; padding: 6px 10px; border-radius: 8px; background: var(--surface-2); color: var(--ink-2); border: 1px solid transparent; }
.rung b { color: var(--ink); font-weight: 700; }
.rung.is-hit { border-color: var(--safe); background: var(--safe-bg); }
.rung.is-hit b { color: var(--safe); }
.res__meta { grid-column: 1 / -1; display: flex; flex-wrap: wrap; gap: 6px 14px; font-size: .78rem; color: var(--ink-3); }
.flag { color: var(--reach); font-weight: 650; }
.empty { text-align: center; padding: 40px 20px; color: var(--ink-2); }
.more { margin: 14px auto 0; display: flex; }

.proglist { display: grid; gap: 10px; }
.prog { background: var(--surface); border: 1px solid var(--line); border-radius: 14px; padding: 14px 18px; display: grid; grid-template-columns: 1fr auto; gap: 4px 16px; align-items: center; }
.prog b { font-size: .98rem; }
.prog .score { font-weight: 800; font-size: 1.05rem; text-align: right; }
.prog .score small { color: var(--ink-3); font-weight: 600; }
.prog .used { grid-column: 1 / -1; font-size: .8rem; color: var(--ink-2); }
.prog--no { opacity: .85; }
.prog--no .used { color: var(--accent); }
.progsec { margin: 18px 4px 6px; font-size: .8rem; text-transform: uppercase; letter-spacing: .1em; color: var(--ink-3); font-weight: 700; }

.cta { margin-top: 24px; display: flex; gap: 24px; align-items: center; justify-content: space-between; background: var(--ink); color: var(--paper); border-color: var(--ink); }
.cta .muted { color: color-mix(in srgb, var(--paper) 72%, transparent); margin: 0; }
.cta h3 { margin-bottom: 6px; }
.cta__btns { display: flex; gap: 10px; flex-wrap: wrap; flex: none; }
.cta .btn--ghost { color: var(--paper); border-color: color-mix(in srgb, var(--paper) 30%, transparent); }

.notes { padding: 12px 16px 40px; }
.notes details { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px 20px; }
.notes summary { cursor: pointer; font-weight: 700; }
.notes__body { font-size: .88rem; color: var(--ink-2); margin-top: 12px; }
.notes__body a { color: var(--ink); word-break: break-word; }
.notes__body ul { padding-left: 18px; }
.disclaimer { font-size: .8rem; color: var(--ink-3); margin-top: 16px; }
.foot { border-top: 1px solid var(--line); padding: 20px 0 28px; font-size: .8rem; color: var(--ink-3); }

.toast { position: fixed; left: 50%; bottom: 24px; transform: translate(-50%, 20px); background: var(--ink); color: var(--paper); padding: 12px 18px; border-radius: 12px; font-size: .9rem; opacity: 0; pointer-events: none; transition: .2s; z-index: 50; max-width: calc(100% - 32px); }
.toast.is-on { opacity: 1; transform: translate(-50%, 0); }

@media (max-width: 860px) {
  .hero { padding-top: 32px; }
  .hero__grid { grid-template-columns: 1fr; gap: 28px; }
  .hero__card { transform: none; }
  .grid3 { grid-template-columns: 1fr; }
  .summary { grid-template-columns: repeat(2, 1fr); }
  .summary > :first-child { grid-column: 1 / -1; }
  .filters { grid-template-columns: 1fr; }
  .cta { flex-direction: column; align-items: flex-start; }
}
@media (max-width: 600px) {
  .card { padding: 20px 16px; }
  .grid2 { grid-template-columns: 1fr; }
  .steps li { font-size: 0; padding: 8px; justify-content: center; }
  .steps li span { font-size: .8rem; }
  .steps li.is-on { font-size: .82rem; flex: 2.5; }
  .paper { grid-template-columns: 1fr 96px 36px; }
  .paper .switch { grid-column: 1 / -1; grid-row: 2; }
  .summary { grid-template-columns: repeat(4, 1fr); gap: 8px; padding: 16px; }
  .stat { padding: 10px 8px; text-align: center; }
  .stat b { font-size: 1.3rem; }
  .stat span { font-size: .7rem; }
  .filters { padding: 14px; gap: 10px; }
  .filters .field > span { font-size: .78rem; }
  .filters input, .filters select { padding: 10px 12px; }
  .res { grid-template-columns: 1fr; }
  .res__side { text-align: left; display: flex; gap: 10px; align-items: center; }
  .res__side .gap { margin: 0; }
  .brand__logo { height: 38px; }
  .topbar__tag { font-size: .78rem; }
  .tabs { width: 100%; } .tab { flex: 1; padding: 10px 8px; font-size: .9rem; }
  .actions .btn { flex: 1; justify-content: center; }
}
@media (prefers-reduced-motion: reduce) { * { transition: none !important; } }

.prog--group { display: block; }
.prog--group summary { display: grid; grid-template-columns: 1fr auto; gap: 16px; align-items: center; cursor: pointer; list-style: none; }
.prog--group summary::-webkit-details-marker { display: none; }
.prog--group summary b::after { content: " ▾"; color: var(--ink-3); font-weight: 600; }
.prog--group[open] summary b::after { content: " ▴"; }
.prog--group ul { margin: 12px 0 2px; padding-left: 18px; columns: 2; column-gap: 28px; font-size: .85rem; color: var(--ink-2); }
.prog--group li { break-inside: avoid; margin-bottom: 4px; }
@media (max-width: 600px) { .prog--group ul { columns: 1; } }