:root {
  --ink: #102a3f;
  --muted: #526774;
  --line: #d7e2e5;
  --paper: #ffffff;
  --wash: #f3f8f7;
  --teal: #078b88;
  --rose: #ef8098;
  --aqua: #83d8dc;
  --gold: #d9ad5f;
  --danger: #b93434;
  --ok: #1f7a4d;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: "Segoe UI", Arial, Helvetica, sans-serif;
  color: var(--ink);
  background: #f7fbfa;
  line-height: 1.5;
}

a { color: inherit; }

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 8px clamp(18px, 4vw, 48px);
  background: rgba(255,255,255,.96);
  border-bottom: 1px solid var(--line);
  box-shadow: 0 8px 24px rgba(16, 42, 63, .06);
  backdrop-filter: blur(14px);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  min-width: 0;
}

.brand-logo {
  display: block;
  width: min(132px, 42vw);
  max-height: 58px;
  height: auto;
  object-fit: contain;
}

.brand-text strong {
  display: block;
  font-size: clamp(22px, 4vw, 34px);
  line-height: 1;
  letter-spacing: 0;
}

.brand-text small {
  display: block;
  margin-top: 4px;
  text-transform: uppercase;
  font-size: clamp(12px, 2vw, 18px);
  font-weight: 700;
  letter-spacing: 0;
}

.butterfly {
  position: relative;
  width: 76px;
  height: 52px;
  flex: 0 0 auto;
}

.butterfly i {
  position: absolute;
  width: 31px;
  height: 24px;
  border: 2px solid #333;
  border-radius: 70% 35% 70% 35%;
  opacity: .9;
}

.butterfly i:nth-child(1) { left: 18px; top: 3px; background: #ffb6bf; transform: rotate(64deg); }
.butterfly i:nth-child(2) { right: 4px; top: 9px; background: #8ce3e6; transform: rotate(-28deg); }
.butterfly i:nth-child(3) { left: 8px; bottom: 3px; background: #f4a8d6; transform: rotate(22deg); }
.butterfly i:nth-child(4) { right: 18px; bottom: 0; background: #edc57c; transform: rotate(28deg); }

nav {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}

nav a, .link-button {
  color: var(--ink);
  text-decoration: none;
  font-weight: 700;
  background: transparent;
  border: 0;
  cursor: pointer;
  font-size: 14px;
  letter-spacing: .01em;
}

.intro {
  display: grid;
  grid-template-columns: minmax(320px, 600px) minmax(280px, 500px);
  gap: clamp(22px, 5vw, 72px);
  align-items: center;
  justify-content: center;
  min-height: auto;
  padding: clamp(26px, 4vw, 46px) clamp(18px, 5vw, 72px);
  background:
    linear-gradient(90deg, rgba(255,255,255,.98) 0%, rgba(255,255,255,.88) 48%, rgba(245,250,249,.92) 100%),
    linear-gradient(135deg, #eef8f7 0%, #fff7f8 100%);
}

.intro-copy { max-width: 600px; }

.eyebrow {
  margin: 0 0 10px;
  color: #0b7775;
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: .08em;
}

h1, h2 {
  margin: 0 0 14px;
  line-height: 1.12;
  letter-spacing: 0;
}

h1 {
  font-size: clamp(30px, 4vw, 48px);
  font-weight: 650;
  max-width: 600px;
}

h2 {
  font-size: clamp(24px, 3vw, 34px);
  font-weight: 650;
}

.intro p:not(.eyebrow), .reissue p, .admin-grid p {
  color: var(--muted);
  font-size: 16px;
  max-width: 580px;
}

.actions, .editor-row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  align-items: center;
}

.button {
  min-height: 42px;
  border-radius: 8px;
  border: 1px solid transparent;
  padding: 10px 16px;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: transform .15s ease, box-shadow .15s ease;
}

.button:hover { transform: translateY(-1px); }
.button.primary { background: var(--teal); color: #fff; box-shadow: 0 10px 22px rgba(15,143,141,.18); }
.button.secondary { background: var(--ink); color: #fff; box-shadow: 0 8px 18px rgba(16,42,63,.14); }
.button.light { background: #fff; border-color: var(--line); color: var(--ink); }

.preview {
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
  background: #fff;
  box-shadow: 0 10px 24px rgba(16,42,63,.08);
  max-width: 500px;
  justify-self: end;
}

.preview img {
  display: block;
  width: 100%;
  height: auto;
}

.band, .reissue, .admin-login {
  padding: clamp(20px, 3vw, 36px) clamp(18px, 5vw, 72px);
}

#avaliacao {
  display: grid;
  justify-content: center;
}

#avaliacao > .section-head,
#avaliacao > .form-panel,
#avaliacao > .quiz,
#avaliacao > .result {
  width: min(980px, 100%);
}

.section-head { max-width: 760px; margin-bottom: 22px; }

.form-panel, .question-editor {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  max-width: 980px;
}

.form-panel.narrow {
  grid-template-columns: 1fr;
  max-width: 430px;
}

label {
  display: grid;
  gap: 7px;
  color: var(--ink);
  font-weight: 650;
}

input, select, textarea {
  width: 100%;
  border: 1px solid #cfdbdf;
  border-radius: 8px;
  min-height: 46px;
  padding: 11px 12px;
  font: inherit;
  color: var(--ink);
  background: #fff;
  box-shadow: 0 1px 0 rgba(16,42,63,.04);
}

input:focus, select:focus, textarea:focus {
  border-color: var(--teal);
  box-shadow: 0 0 0 3px rgba(7,139,136,.12);
  outline: none;
}

textarea { resize: vertical; }

.hint, .message {
  color: var(--muted);
  margin: 0;
}

.self-edit {
  display: grid;
  gap: 12px;
  max-width: 760px;
}

.quiz {
  max-width: 1020px;
}

.quiz-status {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 18px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  margin-bottom: 22px;
}

#timer {
  font-size: clamp(28px, 6vw, 48px);
  color: var(--rose);
}

.question-card, .stat-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 18px;
  background: #fff;
  margin-bottom: 14px;
}

.google-form-frame {
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
  background: #fff;
}

.google-form-frame iframe {
  display: block;
  width: 100%;
  min-height: 760px;
  border: 0;
}

.question-title {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  font-weight: 800;
}

.answers {
  display: grid;
  gap: 10px;
  margin-top: 14px;
}

.answer {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px;
  cursor: pointer;
}

.answer input {
  width: auto;
  min-height: auto;
  margin-top: 4px;
}

.result {
  max-width: 820px;
  border-radius: 8px;
  padding: 22px;
  border: 1px solid var(--line);
  background: #fff;
}

.answer-review {
  display: grid;
  gap: 10px;
  margin-top: 20px;
}

.answer-review h3 {
  margin: 0 0 4px;
}

.review-item {
  border: 1px solid var(--line);
  border-left: 5px solid var(--line);
  border-radius: 8px;
  padding: 12px 14px;
  background: #fff;
}

.review-item.correct {
  border-left-color: var(--ok);
}

.review-item.wrong {
  border-left-color: var(--danger);
}

.review-item p {
  margin: 6px 0 0;
}

.review-item span {
  font-weight: 700;
}

.review-group {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  overflow: hidden;
}

.review-group summary {
  cursor: pointer;
  padding: 13px 14px;
  font-weight: 800;
}

.review-group.correct summary {
  color: var(--ok);
}

.review-group.wrong summary {
  color: var(--danger);
}

.review-list {
  display: grid;
  gap: 10px;
  padding: 0 14px 14px;
}

.email-status {
  border-radius: 8px;
  padding: 12px 14px;
  font-weight: 700;
}

.email-status.ok {
  border: 1px solid rgba(31,122,77,.32);
  background: #edf9f2;
  color: #1f7049;
}

.email-status.warn {
  border: 1px solid rgba(217,173,95,.45);
  background: #fff9ed;
  color: #5a4315;
}

.result.ok { border-color: rgba(31,122,77,.35); }
.result.fail { border-color: rgba(185,52,52,.35); }

.message.notice,
.result.notice {
  max-width: 880px;
  border: 1px solid rgba(217, 173, 95, .42);
  border-radius: 8px;
  padding: 16px 18px;
  background: #fff9ed;
  color: #4a3a16;
}

.reissue {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 420px);
  gap: 22px;
  align-items: end;
  background: linear-gradient(90deg, #f3f8f7 0%, #ffffff 100%);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.inline-form {
  display: flex;
  gap: 10px;
}

.certificate-search {
  padding: clamp(22px, 4vw, 42px) clamp(18px, 5vw, 72px);
  background: #fff;
}

.certificate-search-form {
  display: grid;
  grid-template-columns: minmax(0, 320px) auto;
  gap: 10px;
  align-items: end;
  max-width: 620px;
}

.certificate-search-result {
  margin-top: 16px;
  max-width: 620px;
}

.lookup-card {
  display: grid;
  gap: 8px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 16px;
  background: #fff;
  box-shadow: 0 10px 22px rgba(16,42,63,.05);
}

.lookup-card strong {
  font-size: 20px;
}

.lookup-card span {
  color: var(--muted);
}

.lookup-card .button {
  margin-top: 6px;
  width: fit-content;
}

.lookup-card.fail {
  border-color: rgba(185,52,52,.32);
}

footer {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  padding: 24px clamp(16px, 5vw, 72px);
  border-top: 1px solid var(--line);
  color: var(--muted);
}

.admin-main { padding-bottom: 40px; }

.admin-shell {
  padding: clamp(18px, 3vw, 34px) clamp(14px, 4vw, 44px) 44px;
}

.admin-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(300px, 420px);
  align-items: stretch;
  gap: 18px;
  padding: clamp(20px, 4vw, 34px);
  border: 1px solid var(--line);
  border-radius: 18px;
  background:
    linear-gradient(135deg, rgba(255,255,255,.98), rgba(239,248,247,.88)),
    #fff;
  box-shadow: 0 20px 42px rgba(16, 42, 63, .07);
  overflow: hidden;
}

.admin-hero-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 10px;
}

.admin-hero-copy h1 {
  margin: 0;
  font-size: clamp(44px, 5vw, 72px);
  line-height: .96;
}

.admin-hero p:not(.eyebrow) {
  color: var(--muted);
  max-width: 660px;
  font-size: clamp(18px, 2vw, 20px);
  line-height: 1.5;
}

.admin-actions-panel {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 14px;
  padding: 22px;
  border-radius: 16px;
  background: linear-gradient(180deg, rgba(9, 137, 134, .10), rgba(255,255,255,.94));
  border: 1px solid rgba(7,139,136,.18);
}

.admin-actions-panel h2 {
  margin: 0;
  font-size: 28px;
}

.admin-actions-panel p:not(.eyebrow) {
  margin: 0;
  font-size: 15px;
  max-width: none;
}

.admin-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: flex-start;
}

.admin-metrics {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin: 18px 0 20px;
}

.admin-metrics .stat-card {
  appearance: none;
  text-align: left;
  color: var(--ink);
  cursor: pointer;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-height: 138px;
  padding: 18px 18px 16px;
  border-radius: 16px;
  box-shadow: 0 10px 22px rgba(16, 42, 63, .05);
  background:
    linear-gradient(180deg, rgba(255,255,255,.98), rgba(248,251,252,.96));
}

.admin-metrics .stat-card:hover,
.admin-metrics .stat-card.active {
  border-color: rgba(7,139,136,.42);
  box-shadow: 0 12px 28px rgba(7,139,136,.12);
  transform: translateY(-1px);
}

.admin-metrics .stat-card strong {
  margin-top: auto;
  font-size: clamp(34px, 3.3vw, 48px);
  line-height: .95;
}

.stat-card__label {
  color: var(--muted);
  font-size: 14px;
  font-weight: 700;
  line-height: 1.35;
}

.stat-card__hint {
  color: var(--teal);
  font-size: 13px;
  font-weight: 700;
}

.admin-toolbar {
  position: sticky;
  top: 75px;
  z-index: 15;
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255,255,255,.96);
  box-shadow: 0 10px 24px rgba(16, 42, 63, .06);
  backdrop-filter: blur(14px);
}

.admin-tabs {
  display: flex;
  flex-wrap: nowrap;
  gap: 8px;
  overflow-x: auto;
  overflow-y: hidden;
  padding-bottom: 2px;
  min-width: 0;
  margin-bottom: 0;
  -webkit-overflow-scrolling: touch;
}

.admin-tab {
  flex: 0 0 auto;
  min-height: 40px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 9px 13px;
  background: #fff;
  color: var(--ink);
  font: inherit;
  font-weight: 750;
  cursor: pointer;
}

.admin-tab.active {
  border-color: var(--teal);
  background: var(--teal);
  color: #fff;
}

.admin-search {
  width: 100%;
  min-width: 0;
  font-size: 13px;
  display: block;
  flex: 0 0 auto;
}

.admin-search input {
  min-height: 40px;
  width: 100%;
  max-width: none;
}

.admin-section {
  display: none;
  padding: 24px 0 0;
}

.admin-section.active {
  display: block;
}

.section-title {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 14px;
}

.admin-two-columns {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(280px, .8fr);
  gap: 14px;
  align-items: start;
  margin-bottom: 16px;
}

.admin-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 16px;
  background: #fff;
  box-shadow: 0 10px 22px rgba(16, 42, 63, .05);
}

.admin-card h3 {
  margin: 0 0 8px;
  font-size: 20px;
}

.import-layout {
  grid-template-columns: minmax(0, 1.35fr) minmax(300px, .9fr);
}

.import-main,
.import-help {
  display: grid;
  gap: 14px;
  align-content: start;
}

.download-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.import-example {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #f9fcfc;
  overflow: hidden;
}

.import-example summary {
  cursor: pointer;
  list-style: none;
  padding: 14px 16px;
  font-weight: 700;
}

.import-example summary::-webkit-details-marker {
  display: none;
}

.import-example[open] summary {
  border-bottom: 1px solid var(--line);
}

.compact-text {
  min-height: 140px;
  margin: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
}

.list-summary {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 13px 16px;
  border: 1px solid rgba(7,139,136,.28);
  border-radius: 8px;
  background: #f0fbfa;
}

.list-summary strong {
  font-size: 24px;
}

.admin-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 440px);
  gap: 20px;
  padding: clamp(28px, 5vw, 56px) clamp(16px, 5vw, 72px) 0;
}

.stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.stat-card strong {
  display: block;
  font-size: 30px;
}

.option-grid, .settings-form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.question-editor label:first-child, .full-text {
  grid-column: 1 / -1;
}

.checkline {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 8px;
}

.checkline input {
  width: auto;
  min-height: auto;
}

.questions-list {
  display: grid;
  gap: 12px;
}

.question-row, .data-row {
  display: grid;
  gap: 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 16px;
  background: #fff;
}

.data-row.compact {
  padding: 13px 14px;
}

.data-list {
  display: grid;
  gap: 12px;
  margin-top: 16px;
}

.data-row header {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.meta-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
}

.meta-grid span {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 9px 10px;
  min-width: 0;
  overflow-wrap: anywhere;
}

.search-box {
  max-width: 720px;
}

.wide-field {
  grid-column: 1 / -1;
}

.badge {
  display: inline-flex;
  align-items: center;
  border-radius: 8px;
  padding: 4px 8px;
  background: var(--wash);
  font-weight: 800;
}

.row-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.danger { color: var(--danger); }
.success { color: var(--ok); }
.hidden { display: none !important; }

.system-modal {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: grid;
  place-items: center;
  padding: 18px;
}

.system-modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(10, 28, 42, .52);
  backdrop-filter: blur(8px);
}

.system-modal__dialog {
  position: relative;
  width: min(460px, 100%);
  border: 1px solid rgba(255,255,255,.42);
  border-radius: 8px;
  padding: 24px;
  background: #fff;
  box-shadow: 0 24px 70px rgba(16, 42, 63, .28);
  animation: modalIn .18s ease-out;
}

.system-modal__close {
  position: absolute;
  top: 10px;
  right: 10px;
  width: 34px;
  height: 34px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  color: var(--ink);
  cursor: pointer;
  font-size: 24px;
  line-height: 1;
}

.system-modal__icon {
  display: inline-flex;
  width: 42px;
  height: 42px;
  border-radius: 8px;
  margin-bottom: 14px;
  background: rgba(7,139,136,.12);
}

.system-modal__icon::before {
  content: "";
  width: 14px;
  height: 14px;
  margin: auto;
  border-radius: 50%;
  background: var(--teal);
}

.system-modal--danger .system-modal__icon {
  background: rgba(185,52,52,.12);
}

.system-modal--danger .system-modal__icon::before {
  background: var(--danger);
}

.system-modal--warning .system-modal__icon {
  background: rgba(217,173,95,.18);
}

.system-modal--warning .system-modal__icon::before {
  background: var(--gold);
}

.system-modal--success .system-modal__icon {
  background: rgba(31,122,77,.13);
}

.system-modal--success .system-modal__icon::before {
  background: var(--ok);
}

.system-modal h2 {
  margin-bottom: 8px;
}

.system-modal__message {
  margin: 0 0 18px;
  color: var(--muted);
  white-space: pre-wrap;
}

.system-modal__field {
  margin: 0 0 18px;
}

.system-modal__actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  flex-wrap: wrap;
}

@keyframes modalIn {
  from { opacity: 0; transform: translateY(10px) scale(.98); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

.exam-mode .topbar nav,
.exam-mode #homeSection,
.exam-mode #googleFormSection,
.exam-mode #reemitir,
.exam-mode footer,
.result-mode .topbar nav,
.result-mode #homeSection,
.result-mode #googleFormSection,
.result-mode #reemitir,
.result-mode footer {
  display: none;
}

.exam-mode .topbar,
.result-mode .topbar {
  justify-content: center;
  position: static;
}

.exam-mode #avaliacao,
.result-mode #avaliacao {
  padding-top: clamp(18px, 4vw, 36px);
}

.exam-mode #avaliacao > .section-head,
.result-mode #avaliacao > .section-head,
.result-mode #startForm {
  display: none;
}

.result-mode .result {
  max-width: 940px;
  margin-inline: auto;
}

.exam-welcome {
  margin-bottom: 18px;
  padding: clamp(16px, 3vw, 24px);
  border: 1px solid rgba(7,139,136,.22);
  border-radius: 8px;
  background: linear-gradient(135deg, #ffffff, #eefafa);
  box-shadow: 0 14px 28px rgba(16,42,63,.06);
}

.exam-welcome p:last-child {
  margin-bottom: 0;
  color: var(--muted);
}

.admin-login {
  min-height: calc(100vh - 80px);
  display: grid;
  place-content: center;
  background:
    linear-gradient(135deg, rgba(255,255,255,.92), rgba(239,250,249,.9)),
    #f7fbfa;
}

.admin-login > * {
  width: min(460px, calc(100vw - 32px));
}

.admin-login .form-panel {
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 16px 36px rgba(16,42,63,.08);
}

@media (max-width: 820px) {
  .topbar {
    align-items: flex-start;
    flex-direction: column;
  }

  .intro, .reissue, .admin-grid, .admin-hero, .admin-toolbar, .admin-two-columns {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .admin-actions {
    justify-content: flex-start;
  }

  .admin-metrics {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .admin-toolbar { top: 126px; }

  .form-panel, .question-editor, .option-grid, .settings-form {
    grid-template-columns: 1fr;
  }

  .inline-form, .certificate-search-form {
    flex-direction: column;
    display: flex;
  }

  .lookup-card .button { width: 100%; }

  .quiz-status {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 480px) {
  .brand { width: 100%; }
  .butterfly { width: 58px; transform: scale(.82); transform-origin: right center; }
  nav { gap: 10px; }
  .actions .button, .form-panel .button, .inline-form .button { width: 100%; }
  .stats, .admin-metrics { grid-template-columns: 1fr; }
  .admin-shell { padding-inline: 12px; }
  .admin-toolbar { top: 118px; }
  .admin-actions .button { width: 100%; }
  .meta-grid { grid-template-columns: 1fr; }
}