/* EMCI Hub — Application Styles
   Mobile-first, acessível, sem frameworks */

/* ── RESET ──────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-sans);
  background: var(--color-bg);
  color: var(--color-dark);
  line-height: var(--leading-normal);
  min-height: 100dvh;
  -webkit-font-smoothing: antialiased;
}
img, svg { display: block; max-width: 100%; }
button { cursor: pointer; font: inherit; border: none; background: none; }
input { font: inherit; }

/* ── UTILITY ────────────────────────────────────────────── */
[hidden] { display: none !important; }
.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0);
  white-space: nowrap; border: 0;
}

/* ── STATES — telas de carregamento / erro / conclusão ─── */
.state-screen {
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  min-height: 100dvh;
  padding: var(--space-6) var(--space-4);
  text-align: center;
}

/* Loading */
.spinner {
  width: 48px; height: 48px;
  border: 4px solid var(--stone-gray);
  border-top-color: var(--emerald-teal);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin: 0 auto var(--space-4);
}
@keyframes spin { to { transform: rotate(360deg); } }

.state-logo { width: 160px; margin: 0 auto var(--space-6); }
.state-title {
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  font-weight: var(--weight-bold);
  color: var(--color-primary);
  margin-bottom: var(--space-3);
}
.state-body {
  font-size: var(--text-base);
  color: var(--color-muted);
  max-width: 480px;
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-6);
}

/* Error card */
.error-card {
  background: white;
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  box-shadow: var(--shadow-md);
  max-width: 480px; width: 100%;
}
.error-icon {
  font-size: 3rem;
  margin-bottom: var(--space-4);
}

/* Success card */
.success-card {
  background: white;
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  box-shadow: var(--shadow-md);
  max-width: 520px; width: 100%;
}
.success-icon {
  width: 72px; height: 72px;
  background: var(--emerald-teal);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto var(--space-5);
  font-size: 2rem; color: white;
}
.success-divider {
  height: 1px; background: var(--stone-gray);
  margin: var(--space-5) 0;
}
.success-note {
  font-size: var(--text-sm);
  color: var(--color-muted);
  background: var(--off-white);
  border: 1px solid var(--stone-gray);
  border-radius: var(--radius-md);
  padding: var(--space-4);
}

/* ── FORM LAYOUT ────────────────────────────────────────── */
#state-form { display: block; min-height: 100dvh; }

/* Header */
.app-header {
  position: sticky; top: 0; z-index: var(--z-above);
  background: var(--petroleum-blue);
  padding: var(--space-3) var(--space-4);
  display: flex; align-items: center; gap: var(--space-4);
  box-shadow: var(--shadow-md);
}
.app-logo { height: 36px; width: auto; flex-shrink: 0; }
.app-company-tag { font: 500 11px/1 var(--font-sans,sans-serif); color: rgba(255,255,255,.62); letter-spacing:.3px; flex-shrink:0; white-space:nowrap; overflow:hidden; text-overflow:ellipsis; max-width:160px; }

/* P2 — IDs de item não são exibidos ao respondente */
.item-code { display: none; }

/* Sub-cabeçalho de domínio dentro de seção de módulo (formato TCB) */
.domain-subheader { font: 600 11px/1 var(--font-sans,sans-serif); letter-spacing:.06em; text-transform:uppercase; color:#00796B; padding: 1.5rem 0 .5rem; border-bottom: 1px solid rgba(0,150,136,.2); margin-bottom:.75rem; }

.app-lang-switcher { display:flex; gap:4px; flex-shrink:0; }
.app-lang-btn { padding:4px 10px; border-radius:20px; border:1px solid rgba(255,255,255,.2); background:transparent; color:rgba(255,255,255,.5); font:600 11px/1 var(--font-sans,sans-serif); letter-spacing:.5px; cursor:pointer; transition:all .18s; }
.app-lang-btn:hover { border-color:rgba(0,150,136,.5); color:rgba(255,255,255,.8); }
.app-lang-btn.active { background:rgba(0,150,136,.15); border-color:#009688; color:#4DB6AC; }

.progress-wrap { flex: 1; min-width: 0; }
.progress-meta {
  display: flex; justify-content: space-between; align-items: baseline;
  margin-bottom: var(--space-1);
}
.progress-label {
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.7);
  white-space: nowrap;
  overflow: hidden; text-overflow: ellipsis;
}
.progress-pct {
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  color: var(--electric-cyan);
  flex-shrink: 0;
}
.progress-bar {
  height: 4px;
  background: rgba(255,255,255,0.18);
  border-radius: var(--radius-full);
  overflow: hidden;
}
.progress-fill {
  height: 100%;
  background: var(--electric-cyan);
  border-radius: var(--radius-full);
  transition: width 0.4s ease;
}

/* Main content */
.app-main {
  max-width: 820px;
  margin: 0 auto;
  padding: var(--space-6) var(--space-4) 120px;
}

/* Section */
.section-panel { display: none; }
.section-panel.active { display: block; }

.section-header { margin-bottom: var(--space-6); }

.section-badge {
  display: inline-flex; align-items: center; gap: var(--space-2);
  background: var(--petroleum-blue); color: white;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  font-size: var(--text-xs); font-weight: var(--weight-semibold);
  letter-spacing: 0.05em; text-transform: uppercase;
  margin-bottom: var(--space-3);
}
.section-badge-dot {
  width: 6px; height: 6px;
  background: var(--electric-cyan);
  border-radius: 50%;
  flex-shrink: 0;
}

.section-title {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: var(--weight-bold);
  color: var(--color-primary);
  line-height: 1.3;
}
.section-count {
  font-size: var(--text-sm);
  color: var(--color-muted);
  margin-top: var(--space-1);
}

/* Instrução de preenchimento */
.instruction-card {
  background: rgba(0, 150, 136, 0.06);
  border: 1px solid rgba(0, 150, 136, 0.2);
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-sm);
  color: var(--color-dark);
  margin-bottom: var(--space-5);
  display: flex; gap: var(--space-3); align-items: flex-start;
}
.instruction-icon { font-size: 1rem; flex-shrink: 0; margin-top: 2px; }

/* Item card */
.item-card {
  background: white;
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  margin-bottom: var(--space-4);
  box-shadow: var(--shadow-card);
  border: 2px solid transparent;
  transition: border-color var(--transition-fast);
}
.item-card.answered { border-color: var(--emerald-teal); }
.item-card:focus-within { outline: 2px solid var(--electric-cyan); outline-offset: 2px; }

.item-meta {
  display: flex; align-items: center; gap: var(--space-2);
  margin-bottom: var(--space-2);
}
.item-code {
  font-size: var(--text-xs);
  color: var(--color-muted);
  font-family: var(--font-mono);
  background: var(--off-white);
  padding: 2px 6px;
  border-radius: var(--radius-sm);
}
.item-type-badge {
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  padding: 2px 6px;
  border-radius: var(--radius-sm);
}
.item-type-resultado { background: #FFF3E0; color: #E65100; }
.item-type-inversao  { background: #FCE4EC; color: #880E4F; }

.item-text {
  font-size: var(--text-base);
  line-height: var(--leading-relaxed);
  color: var(--color-dark);
  margin-bottom: var(--space-4);
}

/* ── FREQUENCY SCALE (1–5) ──────────────────────────────── */
.scale-wrap { display: flex; flex-direction: column; gap: var(--space-2); }

.scale-group {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 6px;
}

.scale-option { position: relative; }
.scale-option input[type="radio"] {
  position: absolute;
  opacity: 0; width: 0; height: 0;
}
.scale-option label {
  display: flex; flex-direction: column; align-items: center;
  padding: 10px 4px 8px;
  border: 2px solid var(--stone-gray);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  user-select: none;
  -webkit-tap-highlight-color: transparent;
  min-height: 60px; justify-content: center;
}
.scale-option label:hover {
  border-color: var(--emerald-teal);
  background: rgba(0, 150, 136, 0.05);
}
.scale-option input:checked + label {
  background: var(--petroleum-blue);
  border-color: var(--petroleum-blue);
  color: white;
}
.scale-option input:focus-visible + label {
  outline: 2px solid var(--electric-cyan);
  outline-offset: 2px;
}
.scale-number {
  font-size: 1.2rem;
  font-weight: var(--weight-bold);
  font-family: var(--font-heading);
  line-height: 1;
}
.scale-label-text {
  font-size: 0.6rem;
  text-align: center;
  margin-top: 4px;
  line-height: 1.2;
  color: inherit;
  opacity: 0.85;
}
.scale-anchors {
  display: flex; justify-content: space-between;
  font-size: var(--text-xs); color: var(--color-muted);
}

/* Very small screens: hide text labels */
@media (max-width: 380px) {
  .scale-label-text { display: none; }
  .scale-option label { min-height: 48px; }
}

/* ── RESULT INPUT ────────────────────────────────────────── */
.result-wrap { display: flex; flex-direction: column; gap: var(--space-2); }
.result-label { font-size: var(--text-sm); color: var(--color-muted); }
.result-input {
  width: 100%; max-width: 240px;
  padding: var(--space-3) var(--space-4);
  border: 2px solid var(--stone-gray);
  border-radius: var(--radius-md);
  font-size: var(--text-lg);
  font-weight: var(--weight-semibold);
  color: var(--color-primary);
  transition: border-color var(--transition-fast);
  appearance: none; -moz-appearance: textfield;
}
.result-input:focus { outline: none; border-color: var(--emerald-teal); }
.result-input::-webkit-outer-spin-button,
.result-input::-webkit-inner-spin-button { -webkit-appearance: none; }

/* ── BOTTOM NAV ─────────────────────────────────────────── */
.app-nav {
  position: fixed; bottom: 0; left: 0; right: 0;
  background: white;
  border-top: 1px solid var(--stone-gray);
  padding: var(--space-3) var(--space-4);
  display: flex; align-items: center; gap: var(--space-3);
  box-shadow: 0 -4px 20px rgba(10,29,46,0.08);
  z-index: var(--z-above);
}

.nav-center {
  flex: 1;
  display: flex; align-items: center; justify-content: center;
  min-width: 0;
}

.save-status {
  font-size: var(--text-xs);
  color: var(--color-muted);
  display: flex; align-items: center; gap: 4px;
  white-space: nowrap;
}
.save-status.saving { color: var(--emerald-teal); }
.save-status.error  { color: var(--color-error); }

/* ── BUTTONS ─────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: var(--space-2);
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  white-space: nowrap;
  transition: all var(--transition-fast);
  flex-shrink: 0;
  min-height: 44px; /* touch target */
}
.btn:disabled { opacity: 0.45; cursor: not-allowed; }

.btn-primary {
  background: var(--petroleum-blue); color: white;
  border: 2px solid var(--petroleum-blue);
}
.btn-primary:hover:not(:disabled) { background: var(--color-primary-light); border-color: var(--color-primary-light); }

.btn-secondary {
  background: white; color: var(--petroleum-blue);
  border: 2px solid var(--petroleum-blue);
}
.btn-secondary:hover:not(:disabled) { background: var(--off-white); }

.btn-submit {
  background: #00796B; color: white; /* 5.3:1 com texto branco (o teal puro dava 3.7) */
  border: 2px solid #00796B;
}
.btn-submit:hover:not(:disabled) { background: #00695C; border-color: #00695C; }

.btn-icon { font-size: 1rem; }

/* ── OFFLINE BANNER ─────────────────────────────────────── */
.offline-banner {
  position: fixed; top: 0; left: 0; right: 0;
  background: var(--color-warning);
  color: white;
  text-align: center;
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  z-index: var(--z-overlay);
  transform: translateY(-100%);
  transition: transform var(--transition-base);
}
.offline-banner.visible { transform: translateY(0); }

/* ── TOAST ───────────────────────────────────────────────── */
.toast {
  position: fixed; bottom: 80px; left: 50%; transform: translateX(-50%) translateY(20px);
  background: var(--graphite); color: white;
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  box-shadow: var(--shadow-md);
  opacity: 0;
  transition: all var(--transition-base);
  pointer-events: none;
  white-space: nowrap;
  z-index: var(--z-toast);
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* ── CONFIRM OVERLAY ─────────────────────────────────────── */
.overlay-backdrop {
  position: fixed; inset: 0;
  background: rgba(10,29,46,0.6);
  z-index: var(--z-overlay);
  display: flex; align-items: flex-end;
  animation: fadeIn 0.2s ease;
}
@media (min-width: 600px) {
  .overlay-backdrop { align-items: center; justify-content: center; }
}
.overlay-sheet {
  background: white;
  width: 100%; max-width: 480px;
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
  padding: var(--space-6);
  animation: slideUp 0.25s ease;
}
@media (min-width: 600px) {
  .overlay-sheet { border-radius: var(--radius-xl); }
}
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes slideUp { from { transform: translateY(40px); } to { transform: translateY(0); } }

.overlay-title {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: var(--weight-bold);
  color: var(--color-primary);
  margin-bottom: var(--space-3);
}
.overlay-body { font-size: var(--text-base); color: var(--color-muted); margin-bottom: var(--space-6); }
.overlay-pending-list {
  margin: calc(-1 * var(--space-4)) 0 var(--space-6) var(--space-5);
  font-size: var(--text-sm);
  color: var(--color-dark);
  line-height: 1.9;
}
.overlay-actions { display: flex; gap: var(--space-3); flex-wrap: wrap; }
.overlay-actions .btn { flex: 1; min-width: 140px; }

/* ── RESPONSIVE ─────────────────────────────────────────── */
@media (min-width: 640px) {
  .app-main { padding-top: var(--space-8); padding-bottom: 100px; }
  .section-title { font-size: var(--text-2xl); }
  .item-text { font-size: var(--text-lg); }
  .scale-number { font-size: 1.4rem; }
  .scale-label-text { font-size: 0.68rem; }
}

/* ── REDUCED MOTION ─────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  html { scroll-behavior: auto; }
}