/* ── AVEGNO Núcleo Visual v1 ── tokens ─────────────────────────────────── */
@import url('https://fonts.googleapis.com/css2?family=Newsreader:ital,wght@0,400;1,400&family=Instrument+Sans:wght@400;500&family=IBM+Plex+Mono:wght@400&display=swap');

:root {
  /* Palette */
  --carbono:      #151716;
  --gesso:        #F1EDE4;
  --vinho:        #602B37;
  --mineral:      #232725;
  --giz:          #E9E4DA;
  --nevoa:        #D7D4CC;
  --ardosia:      #626864;
  --luz-calcaria: #D7C9A9;
  --vinho-sinal:  #B87A87;

  /* Semantic */
  --bg:       var(--gesso);
  --fg:       var(--carbono);
  --fg-muted: var(--ardosia);
  --border:   var(--nevoa);
  --accent:   var(--vinho);
  --surface:  #FFFDF8;

  /* Type */
  --font-prose: 'Newsreader', Georgia, serif;
  --font-body:  'Instrument Sans', system-ui, sans-serif;
  --font-mono:  'IBM Plex Mono', 'Courier New', monospace;

  /* Motion */
  --ease-land: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-go:   cubic-bezier(0.22, 0.61, 0.36, 1);
  --t-change:  480ms;
  --t-glance:  180ms;
}

/* ── Reset ──────────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { font-size: 16px; scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 1rem;
  line-height: 1.6;
  color: var(--fg);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  min-height: 100svh;
}

/* ── Layout shell ───────────────────────────────────────────────────────── */
.shell {
  min-height: 100svh;
  display: grid;
  grid-template-rows: auto 1fr auto;
}

/* ── Index / presence mark ──────────────────────────────────────────────── */
.index-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px 18px;
  border-bottom: 1px solid var(--border);
  gap: 12px;
}

.wordmark {
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 0.8125rem;
  letter-spacing: 0.34em;
  text-transform: uppercase;
  color: var(--fg);
  text-decoration: none;
  flex-shrink: 0;
}

.index-label {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--fg-muted);
}

/* ── Progress bar ───────────────────────────────────────────────────────── */
.progress-rail {
  height: 2px;
  background: var(--border);
  width: 100%;
}
.progress-fill {
  height: 2px;
  background: var(--vinho);
  transition: width var(--t-change) var(--ease-land);
}

/* ── Main content area ──────────────────────────────────────────────────── */
.main {
  padding: 0 24px 48px;
  max-width: 700px;
  margin: 0 auto;
  width: 100%;
}

/* ── Step — question block (Área de Evidência) ──────────────────────────── */
.question-block {
  padding: 40px 0 32px;
  border-bottom: 4px solid var(--vinho);
  margin-bottom: 36px;
}

.step-tag {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--vinho);
  display: block;
  margin-bottom: 20px;
}

.question-secao {
  font-family: var(--font-prose);
  font-style: italic;
  font-size: 0.9375rem;
  color: var(--fg-muted);
  margin-bottom: 10px;
  line-height: 1.4;
}

.question-text {
  font-family: var(--font-prose);
  font-size: clamp(1.25rem, 3vw, 1.625rem);
  line-height: 0.94;
  letter-spacing: -0.025em;
  color: var(--fg);
  margin-bottom: 28px;
}

.apoio-list {
  list-style: none;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.apoio-list li {
  font-family: var(--font-body);
  font-size: 0.875rem;
  color: var(--fg-muted);
  padding-left: 16px;
  position: relative;
  line-height: 1.5;
}
.apoio-list li::before {
  content: "—";
  position: absolute;
  left: 0;
  color: var(--vinho);
  font-size: 0.75rem;
}

.nota-block {
  margin-top: 20px;
  padding: 14px 16px;
  border-left: 2px solid var(--luz-calcaria);
  background: transparent;
}
.nota-block p {
  font-family: var(--font-body);
  font-size: 0.8125rem;
  color: var(--ardosia);
  line-height: 1.55;
}

/* ── Answer fields ──────────────────────────────────────────────────────── */
.answer-area {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.field-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.field-label {
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 0.8125rem;
  color: var(--fg);
  letter-spacing: 0.01em;
}

.field-desc {
  font-family: var(--font-body);
  font-size: 0.8125rem;
  color: var(--ardosia);
  line-height: 1.5;
}

textarea {
  width: 100%;
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.6;
  color: var(--fg);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 16px;
  resize: vertical;
  min-height: 80px;
  transition: border-color var(--t-glance) var(--ease-go),
              box-shadow var(--t-glance) var(--ease-go);
  -webkit-appearance: none;
  appearance: none;
}

textarea:focus {
  outline: none;
  border-color: var(--vinho);
  box-shadow: 0 0 0 3px rgba(96,43,55,0.1);
}

.save-status {
  font-family: var(--font-mono);
  font-size: 0.5625rem;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--ardosia);
  min-height: 14px;
  transition: opacity var(--t-glance);
  text-align: right;
}

/* ── Nav buttons ────────────────────────────────────────────────────────── */
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 40px;
  gap: 12px;
}

.btn {
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 0.875rem;
  letter-spacing: 0.02em;
  padding: 13px 28px;
  border-radius: 3px;
  border: none;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: opacity var(--t-glance), background var(--t-glance);
  -webkit-appearance: none;
  appearance: none;
}

.btn-primary {
  background: var(--carbono);
  color: var(--gesso);
}
.btn-primary:hover { opacity: 0.88; }

.btn-secondary {
  background: transparent;
  color: var(--fg-muted);
  border: 1px solid var(--border);
}
.btn-secondary:hover { border-color: var(--ardosia); color: var(--fg); }

.btn-vinho {
  background: var(--vinho);
  color: var(--gesso);
}
.btn-vinho:hover { opacity: 0.88; }

.btn-ghost {
  background: transparent;
  color: var(--ardosia);
  padding: 13px 4px;
  border: none;
}
.btn-ghost:hover { color: var(--fg); }

/* ── Review page ────────────────────────────────────────────────────────── */
.review-intro {
  padding: 40px 0 32px;
  border-bottom: 4px solid var(--vinho);
  margin-bottom: 36px;
}

.review-intro h1 {
  font-family: var(--font-prose);
  font-size: clamp(1.375rem, 3.5vw, 1.875rem);
  line-height: 0.96;
  letter-spacing: -0.025em;
  margin-bottom: 12px;
}

.review-intro p {
  font-size: 0.9375rem;
  color: var(--fg-muted);
  line-height: 1.55;
}

.review-section {
  border-bottom: 1px solid var(--border);
  padding: 28px 0;
}

.review-section-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 16px;
  gap: 12px;
}

.review-section-title {
  font-family: var(--font-prose);
  font-size: 1rem;
  font-weight: 400;
  color: var(--fg);
  line-height: 1.4;
  flex: 1;
}

.review-edit-link {
  font-family: var(--font-mono);
  font-size: 0.5625rem;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--vinho);
  text-decoration: none;
  flex-shrink: 0;
  white-space: nowrap;
}
.review-edit-link:hover { text-decoration: underline; }

.review-answer {
  font-size: 0.9375rem;
  color: var(--fg);
  line-height: 1.65;
  white-space: pre-wrap;
  word-break: break-word;
}
.review-answer.empty {
  color: var(--ardosia);
  font-style: italic;
}

.review-sub-group {
  margin-bottom: 20px;
}
.review-sub-label {
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 0.75rem;
  color: var(--fg-muted);
  margin-bottom: 6px;
}

/* ── Done page ──────────────────────────────────────────────────────────── */
.done-block {
  padding: 64px 0;
  text-align: center;
  max-width: 480px;
  margin: 0 auto;
}

.done-mark {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--vinho);
  display: block;
  margin-bottom: 32px;
}

.done-block h1 {
  font-family: var(--font-prose);
  font-size: clamp(1.5rem, 4vw, 2.25rem);
  line-height: 0.95;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
}

.done-block p {
  font-size: 0.9375rem;
  color: var(--fg-muted);
  line-height: 1.65;
  max-width: 38ch;
  margin: 0 auto 32px;
}

.done-divider {
  width: 48px;
  height: 2px;
  background: var(--vinho);
  margin: 36px auto;
}

/* ── Intro page ─────────────────────────────────────────────────────────── */
.intro-block {
  padding: 52px 0 48px;
  border-bottom: 4px solid var(--vinho);
  margin-bottom: 40px;
}

.intro-etapa {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--vinho);
  display: block;
  margin-bottom: 24px;
}

.intro-block h1 {
  font-family: var(--font-prose);
  font-size: clamp(1.5rem, 5vw, 2.5rem);
  line-height: 0.96;
  letter-spacing: -0.03em;
  margin-bottom: 12px;
}

.intro-block .subtitle {
  font-family: var(--font-prose);
  font-style: italic;
  font-size: 1rem;
  color: var(--fg-muted);
  margin-bottom: 36px;
}

.como-usar {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 32px;
}
.como-usar p {
  font-size: 0.9375rem;
  line-height: 1.65;
  max-width: 62ch;
}

.convite-block {
  padding: 20px 20px 20px 24px;
  border-left: 2px solid var(--luz-calcaria);
  margin-top: 28px;
}
.convite-block h3 {
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--ardosia);
  margin-bottom: 10px;
}
.convite-block p {
  font-size: 0.9375rem;
  color: var(--fg-muted);
  line-height: 1.65;
}

/* ── Footer ─────────────────────────────────────────────────────────────── */
.footer {
  padding: 24px;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 0.5625rem;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--nevoa);
  border-top: 1px solid var(--border);
}

/* ── Admin ──────────────────────────────────────────────────────────────── */
.admin-shell {
  min-height: 100svh;
  background: var(--mineral);
  color: var(--gesso);
}

.admin-index {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 32px;
  border-bottom: 1px solid rgba(241,237,228,0.1);
}
.admin-index .wordmark { color: var(--gesso); }
.admin-index .index-label { color: rgba(241,237,228,0.4); }

.admin-main {
  padding: 0 32px 64px;
  max-width: 900px;
  margin: 0 auto;
}

.admin-heading {
  padding: 40px 0 28px;
  border-bottom: 4px solid var(--vinho);
  margin-bottom: 32px;
}

.admin-heading h1 {
  font-family: var(--font-prose);
  font-size: 1.875rem;
  line-height: 0.96;
  letter-spacing: -0.02em;
  color: var(--gesso);
  margin-bottom: 8px;
}

.admin-heading p {
  font-size: 0.875rem;
  color: rgba(241,237,228,0.55);
}

.invite-form {
  display: flex;
  gap: 12px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

.invite-form input[type="text"] {
  flex: 1;
  min-width: 200px;
  font-family: var(--font-body);
  font-size: 0.9375rem;
  padding: 12px 16px;
  background: rgba(241,237,228,0.06);
  border: 1px solid rgba(241,237,228,0.15);
  border-radius: 3px;
  color: var(--gesso);
  -webkit-appearance: none;
}
.invite-form input::placeholder { color: rgba(241,237,228,0.3); }
.invite-form input:focus { outline: none; border-color: var(--vinho-sinal); }

.new-link-box {
  background: rgba(96,43,55,0.2);
  border: 1px solid var(--vinho);
  border-radius: 4px;
  padding: 20px 24px;
  margin-bottom: 36px;
}
.new-link-box p {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--vinho-sinal);
  margin-bottom: 8px;
}
.new-link-box a {
  color: var(--gesso);
  font-size: 0.9375rem;
  word-break: break-all;
  text-decoration: underline;
}

.guest-table {
  width: 100%;
  border-collapse: collapse;
}
.guest-table th {
  font-family: var(--font-mono);
  font-size: 0.5625rem;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: rgba(241,237,228,0.4);
  text-align: left;
  padding: 0 0 10px;
  border-bottom: 1px solid rgba(241,237,228,0.1);
}
.guest-table td {
  padding: 16px 0;
  border-bottom: 1px solid rgba(241,237,228,0.06);
  font-size: 0.9375rem;
  vertical-align: middle;
}
.guest-table td:last-child { text-align: right; }

.progress-pill {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.5625rem;
  letter-spacing: 0.06em;
  padding: 4px 8px;
  border-radius: 2px;
  background: rgba(241,237,228,0.07);
  color: rgba(241,237,228,0.55);
}
.progress-pill.done {
  background: rgba(96,43,55,0.35);
  color: var(--vinho-sinal);
}

.table-link {
  font-family: var(--font-mono);
  font-size: 0.5625rem;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--vinho-sinal);
  text-decoration: none;
}
.table-link:hover { text-decoration: underline; }

.guest-name-cell { color: var(--gesso); }
.guest-date-cell {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  color: rgba(241,237,228,0.4);
  letter-spacing: 0.04em;
}

/* admin response */
.admin-response-pre {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  line-height: 1.7;
  color: var(--giz);
  background: rgba(0,0,0,0.25);
  border: 1px solid rgba(241,237,228,0.1);
  border-radius: 4px;
  padding: 28px;
  overflow-x: auto;
  white-space: pre-wrap;
  word-break: break-word;
  max-height: 70vh;
  overflow-y: auto;
}

.copy-btn {
  cursor: pointer;
  position: relative;
}

/* ── Utilities ──────────────────────────────────────────────────────────── */
.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
}

/* ── Responsive (desktop up) ────────────────────────────────────────────── */
@media (min-width: 640px) {
  .index-bar, .admin-index { padding-inline: 48px; }
  .main { padding-inline: 48px; }
  .admin-main { padding-inline: 48px; }
  .footer { padding-inline: 48px; }
  .question-text { line-height: 0.90; }
}

/* ── Reduced motion ─────────────────────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}