/* ── Reset & base ─────────────────────────────────────────────────────────── */
:root {
  --night:  #06122c;
  --blue:   #0c2f6a;
  --cyan:   #5addff;
  --gold:   #f6c900;
  --muted:  #9ab1ce;
}
*, *::before, *::after { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at 84% 10%, #164d99, transparent 26%),
    linear-gradient(135deg, #06122c, #0a2f69);
  color: #fff;
  font-family: Manrope, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }

/* ── Header ──────────────────────────────────────────────────────────────── */
header {
  height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 clamp(22px, 6vw, 96px);
  border-bottom: 1px solid rgba(255,255,255,.12);
}

.results-brand {
  display: flex;
  flex-direction: column;
  font-size: 9px;
  letter-spacing: .12em;
  text-transform: uppercase;
}
.results-brand span { font-size: 16px; font-weight: 800; letter-spacing: .02em; }
.results-brand i    { font-style: normal; color: #8cc7e5; }

.back-link {
  font: 10px "DM Mono", monospace;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: #b9dcf0;
  transition: color .2s;
}
.back-link:hover { color: var(--cyan); }

/* ── Hero section ────────────────────────────────────────────────────────── */
.results-hero {
  position: relative;
  overflow: hidden;
  min-height: calc(100vh - 76px);
  padding: clamp(70px, 10vw, 125px) clamp(22px, 14vw, 230px) 70px;
}

/* Decorative orbs */
.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(1px);
  opacity: .5;
  pointer-events: none;
}
.orb-one {
  width: 32vw; height: 32vw;
  right: -10vw; top: 4vw;
  background: radial-gradient(circle, #1266e1, transparent 68%);
}
.orb-two {
  width: 23vw; height: 23vw;
  left: -8vw; bottom: 2vw;
  background: radial-gradient(circle, #6b1dc3, transparent 68%);
}

.eyebrow {
  position: relative;
  margin: 0 0 18px;
  color: #79dcff;
  font: 10px "DM Mono", monospace;
  letter-spacing: .14em;
  text-transform: uppercase;
}

.results-hero h1 {
  position: relative;
  margin: 0;
  font-size: clamp(54px, 7.5vw, 112px);
  line-height: .92;
  letter-spacing: -.07em;
}
.results-hero h1 em {
  font-family: Georgia, serif;
  font-weight: 500;
  color: #6ee3ff;
}

.intro {
  position: relative;
  max-width: 540px;
  color: #c0d3e8;
  line-height: 1.8;
  margin: 26px 0 40px;
}

/* ── Portal card (search form) ───────────────────────────────────────────── */
.portal-card {
  position: relative;
  max-width: 520px;
  padding: 28px;
  background: rgba(4, 19, 47, .72);
  border: 1px solid rgba(112, 224, 255, .34);
  box-shadow: 0 24px 65px rgba(0,0,0,.24);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-radius: 16px;
}

.portal-top {
  display: flex;
  justify-content: space-between;
  padding-bottom: 18px;
  margin-bottom: 18px;
  border-bottom: 1px solid rgba(255,255,255,.13);
  font: 10px "DM Mono", monospace;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: #b2dff5;
}
.portal-top b { color: var(--gold); }

.exam-choice {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin: 0 0 18px;
  padding: 12px 16px;
  border: 1px solid rgba(99, 222, 255, .33);
  border-radius: 999px;
  background: rgba(100, 220, 255, .08);
  color: #d6f7ff;
  font: 11px "DM Mono", monospace;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.exam-choice b { color: var(--gold); }

/* Form inside portal card */
.portal-card form {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

label {
  font: 10px "DM Mono", monospace;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: #b5dcf1;
}

input {
  display: block;
  width: 100%;
  height: 48px;
  margin-top: 8px;
  border: 1px solid rgba(255,255,255,.25);
  border-radius: 999px;
  background: rgba(255,255,255,.07);
  color: #fff;
  padding: 0 18px;
  font: 15px Manrope, Arial, sans-serif;
  outline: none;
  transition: border-color .2s, background .2s;
}
input::placeholder { color: rgba(255,255,255,.3); }
input:focus {
  border-color: var(--cyan);
  background: rgba(255,255,255,.10);
}

.portal-card button[type="submit"] {
  border: 0;
  padding: 15px 22px;
  border-radius: 999px;
  background: #fff;
  color: #071936;
  font: 700 11px "DM Mono", monospace;
  letter-spacing: .1em;
  text-transform: uppercase;
  cursor: pointer;
  transition: transform .2s, background .2s;
}
.portal-card button[type="submit"]:hover {
  background: #69deff;
  transform: translateY(-2px);
}

/* Error / note text */
.portal-note {
  margin: 14px 0 0;
  color: #9cbbd5;
  font-size: 11px;
  line-height: 1.6;
}
#error-msg {
  color: #ff8f8f;
  font-weight: 600;
}

/* Help link row */
.help {
  position: relative;
  display: flex;
  gap: 10px;
  margin-top: 24px;
  font-size: 12px;
  color: #b9d6ea;
}
.help span { color: #81a9c9; }
.help a {
  border-bottom: 1px solid #79dcff;
  transition: color .2s;
}
.help a:hover { color: var(--cyan); }

/* ── Result modal ────────────────────────────────────────────────────────── */

/* keyframes — contained here, no bleed into page */
@keyframes _modal-in    { from { opacity:0 } to { opacity:1 } }
@keyframes _card-up     { from { opacity:0; transform:translateY(36px) scale(.96) } to { opacity:1; transform:none } }
@keyframes _row-in      { from { opacity:0; transform:translateY(10px) } to { opacity:1; transform:none } }
@keyframes _tile-pop    { 0% { opacity:0; transform:scale(.55) } 65% { transform:scale(1.07) } 100% { opacity:1; transform:scale(1) } }
@keyframes _line-draw   { from { transform:scaleX(0) } to { transform:scaleX(1) } }
@keyframes _glow-pulse  { 0%,100% { opacity:.55 } 50% { opacity:1 } }
@keyframes _scan        { from { top:0 } to { top:100% } }

.result-modal {
  position: fixed;
  z-index: 100;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 16px;
  background: rgba(0,5,15,.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  animation: _modal-in .22s ease both;
}
.result-modal[hidden] { display: none; }

/* ── Card ── */
.result-card {
  position: relative;
  width: 100%;
  max-width: 560px;
  max-height: calc(100dvh - 32px);
  overflow-y: auto;
  overflow-x: hidden;
  padding: 36px 32px 30px;
  background: #030d1c;
  border: 1px solid rgba(0,180,255,.4);
  border-radius: 20px;
  color: #fff;
  scrollbar-width: thin;
  scrollbar-color: rgba(0,180,255,.3) transparent;
  box-shadow:
    0 0 0 1px rgba(0,180,255,.08),
    0 0 48px rgba(0,180,255,.10),
    0 28px 72px rgba(0,0,0,.7);
  animation: _card-up .38s cubic-bezier(.22,1,.36,1) .06s both;
}

/* top-edge glow strip */
.result-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 20px;
  background: linear-gradient(180deg, rgba(0,180,255,.10) 0%, transparent 32%);
  pointer-events: none;
}

/* one-time scan line on open */
.result-card::after {
  content: '';
  position: absolute;
  left: 0; right: 0; top: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(0,180,255,.8), transparent);
  animation: _scan .9s ease .1s 1 forwards;
  pointer-events: none;
}

/* ── Close button ── */
.close-modal {
  position: absolute;
  right: 14px;
  top: 14px;
  width: 34px;
  height: 34px;
  padding: 0;
  border: 1px solid rgba(0,180,255,.35);
  border-radius: 50% !important;
  background: rgba(0,180,255,.08);
  color: rgba(255,255,255,.7);
  font-size: 18px;
  line-height: 32px;
  text-align: center;
  cursor: pointer;
  z-index: 2;
  transition: background .18s, color .18s, border-color .18s,
              transform .22s cubic-bezier(.34,1.56,.64,1), box-shadow .18s;
}
.close-modal:hover {
  background: rgba(0,180,255,1);
  border-color: #00b4ff;
  color: #000;
  transform: rotate(90deg) scale(1.12);
  box-shadow: 0 0 16px rgba(0,180,255,.6);
}

/* ── Stream eyebrow ── */
.result-card .eyebrow {
  color: #00b4ff;
  margin: 0 0 10px;
  font: 10px "DM Mono", monospace;
  letter-spacing: .18em;
  text-transform: uppercase;
  opacity: 0;
  animation: _row-in .35s ease .18s both;
}

/* ── Student name ── */
.result-card h2 {
  font-size: clamp(26px, 5vw, 42px);
  line-height: 1.05;
  letter-spacing: -.045em;
  margin: 0;
  padding-right: 44px;
  color: #fff;
}

/* each word span injected by JS */
.rc-word {
  display: inline-block;
  margin-right: .2em;
  opacity: 0;
  animation: _card-up .45s cubic-bezier(.22,1,.36,1) both;
}

/* neon underline */
.rc-line {
  height: 2px;
  margin: 10px 0 20px;
  border-radius: 2px;
  background: linear-gradient(90deg, #00b4ff 0%, rgba(0,180,255,.15) 70%, transparent 100%);
  transform-origin: left;
  box-shadow: 0 0 8px rgba(0,180,255,.55);
  animation: _line-draw .5s cubic-bezier(.22,1,.36,1) .42s both;
}

/* ── Info cells ── */
.student-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
  margin: 0 0 16px;
}
.student-row > div {
  padding: 13px 15px;
  background: rgba(0,180,255,.05);
  border: 1px solid rgba(0,180,255,.15);
  border-radius: 12px;
  opacity: 0;
  animation: _row-in .35s ease both;
}
.student-row > div:nth-child(1) { animation-delay:.32s }
.student-row > div:nth-child(2) { animation-delay:.39s }
.student-row > div:nth-child(3) { animation-delay:.46s }
.student-row > div:nth-child(4) { animation-delay:.53s }

.student-row span {
  display: block;
  color: rgba(0,180,255,.65);
  font: 9px "DM Mono", monospace;
  letter-spacing: .12em;
  text-transform: uppercase;
}
.student-row b {
  display: block;
  margin-top: 6px;
  font-size: 17px;
  font-weight: 700;
  color: #fff;
  word-break: break-word;
}

/* rank glows white-neon; zscore glows blue */
#modal-rank   { font-size: 24px; font-weight: 800; color: #fff;
                text-shadow: 0 0 14px rgba(0,180,255,.9); }
#modal-zscore { font-size: 18px; color: #00b4ff;
                text-shadow: 0 0 10px rgba(0,180,255,.7); }

/* ── Subject tiles section label ── */
.rc-subjects-label {
  font: 9px "DM Mono", monospace;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: rgba(0,180,255,.45);
  margin: 0 0 8px;
}

/* ── Grade tiles ── */
.subjects {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(128px, 1fr));
  gap: 8px;
  margin: 0 0 24px;
}
.subjects > div {
  position: relative;
  padding: 13px 13px 11px;
  background: rgba(0,10,28,.9);
  border: 1px solid rgba(0,180,255,.18);
  border-radius: 13px;
  overflow: hidden;
  opacity: 0;
  animation: _tile-pop .42s cubic-bezier(.34,1.56,.64,1) both;
  transition: transform .2s cubic-bezier(.34,1.56,.64,1),
              box-shadow .2s, border-color .2s;
  will-change: transform;
}
.subjects > div:hover {
  transform: translateY(-4px) scale(1.04);
  border-color: rgba(0,180,255,.55);
  box-shadow: 0 10px 26px rgba(0,0,0,.5), 0 0 18px rgba(0,180,255,.18);
}
/* inner shine */
.subjects > div::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(145deg, rgba(255,255,255,.04) 0%, transparent 55%);
  border-radius: inherit;
  pointer-events: none;
}

.subjects span {
  display: block;
  color: rgba(255,255,255,.38);
  font: 9px "DM Mono", monospace;
  letter-spacing: .08em;
  text-transform: uppercase;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.subjects b {
  display: block;
  margin-top: 9px;
  font-size: 28px;
  font-weight: 800;
  letter-spacing: -.03em;
  line-height: 1;
  /* colour injected by JS — stays in neon-blue/white range */
}

/* grade-specific tile tints — blue/white only */
.subjects > div[data-grade="A"] {
  border-color: rgba(0,210,255,.6);
  background: rgba(0,180,255,.14);
  box-shadow: 0 0 20px rgba(0,180,255,.18);
}
.subjects > div[data-grade="B"] {
  border-color: rgba(0,180,255,.35);
  background: rgba(0,150,220,.08);
}
.subjects > div[data-grade="C"] {
  border-color: rgba(0,140,200,.25);
  background: rgba(0,100,180,.06);
}
.subjects > div[data-grade="S"] {
  border-color: rgba(0,180,255,.15);
}
.subjects > div[data-grade="W"],
.subjects > div[data-grade="ABSENT"] {
  border-color: rgba(255,255,255,.08);
  background: rgba(255,255,255,.02);
  opacity: .5 !important;
}

/* ── "Check another" button ── */
.round-link {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  border-radius: 999px;
  background: transparent;
  border: 1px solid rgba(0,180,255,.45);
  color: #00b4ff;
  padding: 13px 22px;
  font: 700 11px "DM Mono", monospace;
  letter-spacing: .1em;
  text-transform: uppercase;
  transition: background .2s, border-color .2s, color .2s,
              transform .22s cubic-bezier(.34,1.56,.64,1), box-shadow .2s;
}
.round-link:hover {
  background: #00b4ff;
  border-color: #00b4ff;
  color: #000;
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 10px 28px rgba(0,180,255,.4);
}

/* ── Responsive ──────────────────────────────────────────────────────────── */

/* ── Tablet portrait: 651px – 900px (iPad mini, iPad, small Android tablets) */
@media (min-width: 651px) and (max-width: 900px) {
  .result-modal { padding: 20px; }

  .result-card {
    max-width: 640px;
    max-height: calc(100dvh - 40px);
    padding: 32px 28px 26px;
  }

  .result-card h2 { font-size: clamp(24px, 4vw, 34px); }

  /* Keep 2-col info grid but give cells more room */
  .student-row {
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
  }
  .student-row > div { padding: 14px 16px; }
  .student-row b     { font-size: 16px; }
  #modal-rank        { font-size: 22px; }
  #modal-zscore      { font-size: 17px; }

  /* 3 subject tiles per row on tablet portrait */
  .subjects { grid-template-columns: repeat(3, 1fr); }
  .subjects b { font-size: 26px; }
}

/* ── Tablet landscape / iPad Pro portrait: 901px – 1180px */
@media (min-width: 901px) and (max-width: 1180px) {
  .result-modal { padding: 24px; }

  .result-card {
    max-width: 680px;
    padding: 36px 32px 28px;
  }

  .student-row {
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
  }
  .student-row b { font-size: 17px; }
  #modal-rank    { font-size: 24px; }
  #modal-zscore  { font-size: 18px; }

  .subjects { grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); }
}

/* ── Mobile: up to 650px ── */
@media (max-width: 650px) {
  header {
    height: 64px;
    padding: 0 20px;
  }
  .back-link { font-size: 9px; }

  .results-hero {
    min-height: calc(100svh - 64px);
    padding: 60px 20px 50px;
  }
  .results-hero h1 { font-size: 52px; }

  .portal-card { padding: 20px; }

  /* Modal card — full-bleed on small screens */
  .result-modal { padding: 10px; }

  .result-card {
    padding: 24px 16px 20px;
    border-radius: 16px;
    max-height: calc(100dvh - 20px);
  }

  .result-card h2 { font-size: 22px; }

  /* Stack info cells vertically — every field gets its own full row */
  .student-row { grid-template-columns: 1fr 1fr; gap: 6px; }
  .student-row > div { padding: 11px 13px; }
  .student-row b     { font-size: 15px; }
  #modal-rank        { font-size: 20px; }
  #modal-zscore      { font-size: 16px; }

  /* 2 subject tiles per row on mobile */
  .subjects   { grid-template-columns: repeat(2, 1fr); gap: 6px; }
  .subjects b { font-size: 22px; }

  .rc-line { margin: 8px 0 16px; }

  .rc-subjects-label { margin-top: 4px; }

  .round-link { padding: 11px 18px; font-size: 10px; }
}

/* ── Very small phones: up to 380px ── */
@media (max-width: 380px) {
  .result-card { padding: 20px 12px 16px; }
  .result-card h2 { font-size: 19px; }

  /* Single column for info cells on tiny screens */
  .student-row { grid-template-columns: 1fr; }
  .student-row b { font-size: 14px; }
  #modal-rank    { font-size: 18px; }
  #modal-zscore  { font-size: 15px; }

  .subjects { grid-template-columns: repeat(2, 1fr); }
  .subjects b { font-size: 20px; }
}