:root {
  --cei-orange: #ec7e28;
  --cei-gray: #b3a9a1;
  --cei-yellow: #f3ce41;
  --cei-purple: #6b4f95;
  --cei-ink: #4b4650;
  --cei-muted: #68616d;
  --cei-line: #ddd7d3;
  --cei-surface: #fbfaf9;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { min-width: 320px; color-scheme: light; }
body { margin: 0; background: var(--cei-surface); color: var(--cei-ink); font-family: Arial, Helvetica, sans-serif; }
button, input { font: inherit; }
button { cursor: pointer; }
svg { width: 1.25rem; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }

.portal-shell {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background:
    radial-gradient(circle at 8% 22%, rgba(243,206,65,.17), transparent 26rem),
    radial-gradient(circle at 92% 78%, rgba(107,79,149,.09), transparent 30rem),
    linear-gradient(135deg, #fff 0%, #f7f4f2 100%);
}
.top-ribbon { height: 5px; background: linear-gradient(90deg, var(--cei-orange) 0 25%, var(--cei-gray) 25% 50%, var(--cei-yellow) 50% 75%, var(--cei-purple) 75%); }
.portal-header { min-height: 82px; display: flex; align-items: center; justify-content: space-between; padding: 0 clamp(24px, 5vw, 76px); background: rgba(255,255,255,.88); border-bottom: 1px solid rgba(179,169,161,.35); backdrop-filter: blur(16px); }
.brand-logo { width: 174px; height: 64px; object-fit: contain; object-position: left center; }
.secure-label { display: flex; align-items: center; gap: 7px; font-size: 13px; font-weight: 700; color: var(--cei-purple); }
.secure-label svg { width: 16px; }
.portal-content { flex: 1; width: 100%; max-width: 1180px; margin: 0 auto; padding: clamp(52px, 8vh, 92px) 28px 64px; }
.lookup-layout { display: grid; grid-template-columns: 1.08fr .92fr; gap: clamp(44px, 8vw, 100px); align-items: center; }
.intro-copy h1, .results-heading h1 { margin: 16px 0; color: var(--cei-purple); letter-spacing: -.045em; }
.intro-copy h1 { max-width: 610px; font-size: clamp(44px, 5.3vw, 70px); line-height: 1.02; }
.intro-copy > p { max-width: 560px; margin: 0; color: var(--cei-muted); font-size: 19px; line-height: 1.65; }
.eyebrow { display: flex; align-items: center; gap: 8px; color: var(--cei-orange); font-size: 13px; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.eyebrow svg { width: 17px; }
.trust-row { display: flex; gap: 28px; margin-top: 36px; color: var(--cei-purple); }
.trust-row div { display: flex; align-items: center; gap: 9px; font-size: 13px; font-weight: 700; }
.trust-row svg { width: 19px; }
.lookup-card { overflow: hidden; border: 1px solid rgba(179,169,161,.42); border-radius: 24px; background: white; box-shadow: 0 30px 80px rgba(107,79,149,.13); }
.lookup-card::before { content: ""; display: block; height: 7px; background: linear-gradient(90deg, var(--cei-orange) 0 25%, var(--cei-gray) 25% 50%, var(--cei-yellow) 50% 75%, var(--cei-purple) 75%); }
.card-heading { display: flex; gap: 16px; padding: 32px 34px 24px; }
.field-icon, .bill-icon { flex: 0 0 auto; display: grid; place-items: center; color: var(--cei-purple); background: rgba(243,206,65,.25); border-radius: 14px; }
.field-icon { width: 48px; height: 48px; }
.card-heading h2 { margin: 1px 0 6px; font-size: 21px; color: var(--cei-purple); }
.card-heading p { margin: 0; color: var(--cei-muted); font-size: 14px; line-height: 1.5; }
.lookup-form { padding: 0 34px 34px; }
.lookup-form label { display: block; margin: 0 0 9px; font-size: 13px; font-weight: 800; }
.cpf-input { width: 100%; height: 56px; border: 1px solid var(--cei-line); border-radius: 13px; background: #fff; padding: 0 16px; color: var(--cei-ink); font-size: 19px; letter-spacing: .055em; outline: none; }
.cpf-input:focus { border-color: var(--cei-purple); box-shadow: 0 0 0 3px rgba(107,79,149,.14); }
.field-help { margin: 9px 0 0; color: var(--cei-muted); font-size: 12px; }
.error-message { margin: 12px 0 0; color: #b42318; font-size: 13px; font-weight: 700; }
.primary-action, .download-action { display: flex; align-items: center; justify-content: center; gap: 9px; border: 0; color: white; background: var(--cei-orange); font-weight: 800; transition: background .18s, transform .18s; }
.primary-action { width: 100%; height: 54px; margin-top: 24px; border-radius: 13px; font-size: 15px; box-shadow: 0 10px 24px rgba(236,126,40,.22); }
.primary-action:hover, .download-action:hover { background: var(--cei-purple); }
.primary-action:focus-visible, .download-action:focus-visible, .back-button:focus-visible { outline: 3px solid rgba(107,79,149,.32); outline-offset: 3px; }
button:disabled { cursor: wait; opacity: .72; }
.is-loading svg { animation: spin 1s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.results-layout { max-width: 980px; margin: 0 auto; }
.back-button { display: flex; align-items: center; gap: 7px; margin-bottom: 26px; padding: 0; border: 0; background: transparent; color: var(--cei-purple); font-size: 13px; font-weight: 800; }
.back-button svg { width: 17px; }
.results-heading h1 { font-size: clamp(36px, 4.4vw, 54px); }
.results-heading p { margin: 0; color: var(--cei-muted); }
.results-heading p strong { color: var(--cei-ink); }
.summary-strip { display: grid; grid-template-columns: repeat(3, 1fr); margin: 34px 0 22px; overflow: hidden; border: 1px solid var(--cei-line); border-radius: 18px; background: white; }
.summary-strip div { display: flex; flex-direction: column; gap: 7px; padding: 21px 24px; }
.summary-strip div + div { border-left: 1px solid var(--cei-line); }
.summary-strip span { color: var(--cei-muted); font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: .08em; }
.summary-strip strong { color: var(--cei-purple); font-size: 23px; }
.results-error { margin: 0 0 18px; padding: 13px 16px; border: 1px solid #fecaca; border-radius: 12px; background: #fff1f2; }
.student-list { display: grid; gap: 22px; }
.student-group { overflow: hidden; border: 1px solid var(--cei-line); border-radius: 21px; background: rgba(255,255,255,.65); }
.student-heading { display: flex; align-items: center; gap: 14px; padding: 19px 22px; border-bottom: 1px solid var(--cei-line); background: linear-gradient(90deg, rgba(243,206,65,.18), rgba(107,79,149,.07)); }
.student-avatar { display: grid; place-items: center; width: 45px; height: 45px; flex: 0 0 auto; border-radius: 50%; background: var(--cei-purple); color: white; }
.student-heading span { color: var(--cei-muted); font-size: 10px; font-weight: 800; letter-spacing: .11em; text-transform: uppercase; }
.student-heading h2 { margin: 2px 0 3px; color: var(--cei-purple); font-size: 19px; }
.student-heading p { margin: 0; color: var(--cei-muted); font-size: 12px; }
.bill-list { display: grid; gap: 14px; padding: 15px; }
.bill-card { display: grid; grid-template-columns: auto 1fr auto; gap: 18px; align-items: center; padding: 20px; border: 1px solid var(--cei-line); border-radius: 15px; background: white; box-shadow: 0 8px 28px rgba(107,79,149,.045); }
.bill-icon { width: 50px; height: 50px; }
.bill-main { min-width: 0; }
.bill-title-row, .bill-details { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.bill-title-row h3 { margin: 0; color: var(--cei-purple); font-size: 16px; overflow-wrap: anywhere; }
.status { flex: 0 0 auto; padding: 5px 9px; border-radius: 999px; font-size: 11px; font-weight: 800; }
.status-open { background: #e8f7ef; color: #18794e; }
.status-late { background: #fff0ed; color: #b42318; }
.bill-details { margin-top: 15px; }
.bill-details span { display: flex; align-items: center; gap: 6px; color: var(--cei-muted); font-size: 13px; }
.bill-details span svg { width: 16px; }
.bill-details strong { color: var(--cei-purple); font-size: 18px; }
.download-action { min-width: 154px; height: 46px; border-radius: 12px; }
.portal-footer { display: flex; justify-content: space-between; gap: 24px; padding: 22px clamp(24px, 5vw, 76px); border-top: 1px solid rgba(179,169,161,.35); background: rgba(255,255,255,.7); color: var(--cei-muted); font-size: 12px; }
.portal-footer span:first-child { font-weight: 800; color: var(--cei-orange); }

@media (max-width: 820px) {
  .lookup-layout { grid-template-columns: 1fr; gap: 38px; }
  .intro-copy h1 { font-size: clamp(40px, 12vw, 58px); }
  .trust-row { flex-wrap: wrap; }
  .bill-card { grid-template-columns: auto 1fr; }
  .download-action { grid-column: 1 / -1; width: 100%; }
}

@media (max-width: 560px) {
  .portal-header { min-height: 72px; padding-inline: 18px; }
  .brand-logo { width: 130px; height: 53px; }
  .secure-label { font-size: 11px; }
  .portal-content { padding: 38px 18px 48px; }
  .intro-copy h1 { margin-top: 13px; font-size: 39px; }
  .intro-copy > p { font-size: 16px; }
  .trust-row { margin-top: 26px; gap: 14px; }
  .card-heading { padding: 26px 22px 20px; }
  .lookup-form { padding: 0 22px 26px; }
  .summary-strip { grid-template-columns: 1fr; }
  .summary-strip div + div { border-top: 1px solid var(--cei-line); border-left: 0; }
  .bill-card { padding: 18px; }
  .bill-title-row { align-items: flex-start; }
  .bill-details { align-items: flex-start; flex-direction: column; }
  .bill-details strong { font-size: 20px; }
  .portal-footer { flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; animation-duration: .01ms !important; }
}