/* ==========================================================================
   Teste de Nivelamento de Inglês — estilos isolados (prefixo .pt-)
   Paleta e tipografia alinhadas ao tema hello-child (Inter, navy/blue/orange/green).
   ========================================================================== */

/* Variables */
:root {
  --pt-navy: #1a2878;
  --pt-navy-dark: #141e60;
  --pt-blue: #3d5af1;
  --pt-blue-hv: #2d47d4;
  --pt-blue-bg: #dde8f5;
  --pt-orange: #f5a623;
  --pt-orange-dark: #d48c18;
  --pt-green: #22a861;
  --pt-white: #ffffff;
  --pt-gray-bg: #f7f9fc;
  --pt-gray-text: #4a5568;
  --pt-gray-muted: #718096;
  --pt-radius: 0.75rem;
  --pt-radius-lg: 1.25rem;
  --pt-shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
  --pt-shadow-md: 0 4px 20px rgba(0, 0, 0, 0.1);
  --pt-shadow-lg: 0 12px 40px rgba(26, 40, 120, 0.16);
  --pt-transition: 220ms ease;
}

/* Reset */
.pt-app,
.pt-app * {
  box-sizing: border-box;
}

.pt-app {
  font-family: "Inter", system-ui, -apple-system, sans-serif;
  color: var(--pt-gray-text);
}

/* Layout */
.pt-app {
  display: flex;
  justify-content: center;
  padding: 2.5rem 1rem;
  min-height: 60vh;
  background: linear-gradient(180deg, var(--pt-blue-bg) 0%, var(--pt-gray-bg) 45%);
}

/* #placement-app is the mount point injected by script.js. It must have a
   definite width, otherwise its width shrinks to fit whatever content is
   currently rendered inside (e.g. the result screen, which has less
   intrinsic width than a question card), making .pt-card jump width
   between screens even though max-width is fixed. */
#placement-app {
  display: flex;
  justify-content: center;
  width: 100%;
}

/* Minimal page shell (header/footer around .pt-app on the WordPress template).
   Flex column at 100vh + .pt-app flex:1 keeps the footer pinned to the
   bottom of the viewport even when a question screen is short. */
body.pt-page {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  font-family: "Inter", system-ui, -apple-system, sans-serif;
  background: var(--pt-gray-bg);
}

/* The WP admin bar adds its own top padding on <html> (32px, 46px below
   782px). Without subtracting it here, min-height:100vh on the body stacks
   on top of that padding and overflows the viewport by that amount,
   producing a permanent scrollbar for logged-in users even when the
   content itself fits. */
body.pt-page.admin-bar {
  min-height: calc(100vh - 32px);
}

@media (max-width: 782px) {
  body.pt-page.admin-bar {
    min-height: calc(100vh - 46px);
  }
}

body.pt-page .pt-app {
  flex: 1 0 auto;
}

.pt-minimal-header,
.pt-minimal-header *,
.pt-minimal-footer,
.pt-minimal-footer * {
  box-sizing: border-box;
}

.pt-minimal-header {
  background: var(--pt-white);
  border-bottom: 1px solid var(--pt-blue-bg);
}

.pt-minimal-header__inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 1rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.pt-minimal-header__logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
  color: var(--pt-navy);
  font-weight: 700;
  font-size: 1.05rem;
}

.pt-minimal-header__logo img {
  height: 32px;
  width: auto;
  display: block;
}

.pt-minimal-header__back {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  text-decoration: none;
  color: var(--pt-gray-muted);
  font-size: 0.9rem;
  font-weight: 600;
  transition: color var(--pt-transition);
}

.pt-minimal-header__back:hover {
  color: var(--pt-blue);
}

.pt-minimal-footer {
  background: var(--pt-white);
  border-top: 1px solid var(--pt-blue-bg);
}

.pt-minimal-footer__inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 1.5rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.pt-minimal-footer__inner p {
  margin: 0;
  color: var(--pt-gray-muted);
  font-size: 0.85rem;
}

.pt-minimal-footer__cta {
  text-decoration: none;
  color: var(--pt-white);
  background: var(--pt-blue);
  padding: 0.6rem 1.1rem;
  border-radius: var(--pt-radius);
  font-size: 0.85rem;
  font-weight: 700;
  transition: background var(--pt-transition);
}

.pt-minimal-footer__cta:hover {
  background: var(--pt-blue-hv);
}

@media (max-width: 480px) {
  .pt-minimal-header__inner {
    padding: 0.85rem 1rem;
  }
  .pt-minimal-header__logo span {
    display: none;
  }
  .pt-minimal-footer__inner {
    flex-direction: column;
    align-items: flex-start;
  }
}

.pt-card {
  width: 100%;
  max-width: 640px;
  background: var(--pt-white);
  border-radius: var(--pt-radius-lg);
  box-shadow: var(--pt-shadow-lg);
  padding: 2.5rem;
  animation: pt-fade-in 420ms ease both;
}

.pt-card.pt-quiz {
  display: flex;
  flex-direction: column;
}

@media (max-width: 640px) {
  .pt-app {
    padding: 1.25rem 0.75rem;
  }
  .pt-card {
    padding: 1.5rem;
    border-radius: var(--pt-radius);
  }
}

/* Badge */
.pt-badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--pt-blue);
  background: var(--pt-blue-bg);
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  margin-bottom: 1.25rem;
}

.pt-badge--result {
  color: var(--pt-navy);
  background: var(--pt-blue-bg);
}

/* Intro */
.pt-intro__title {
  font-size: clamp(1.5rem, 4vw, 2.1rem);
  line-height: 1.25;
  color: var(--pt-navy);
  margin: 0 0 0.75rem;
}

.pt-intro__lead {
  color: var(--pt-gray-muted);
  line-height: 1.6;
  margin: 0 0 1.5rem;
}

.pt-levels {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  list-style: none;
  padding: 0;
  margin: 0 0 1.75rem;
}

.pt-levels__item span {
  display: block;
  min-width: 2.75rem;
  text-align: center;
  padding: 0.4rem 0.6rem;
  border-radius: var(--pt-radius);
  background: var(--pt-gray-bg);
  color: var(--pt-navy);
  font-weight: 700;
  font-size: 0.85rem;
}

.pt-intro__meta {
  display: flex;
  gap: 1.75rem;
  margin-bottom: 2rem;
}

.pt-intro__meta-item {
  display: flex;
  flex-direction: column;
}

.pt-intro__meta-item strong {
  font-size: 1.4rem;
  color: var(--pt-navy);
}

.pt-intro__meta-item span {
  font-size: 0.8rem;
  color: var(--pt-gray-muted);
}

.pt-intro__cta {
  width: 100%;
}

/* Progress */
.pt-progress {
  margin-bottom: 1.5rem;
}

.pt-progress__bar {
  height: 8px;
  border-radius: 999px;
  background: var(--pt-gray-bg);
  overflow: hidden;
}

.pt-progress__fill {
  height: 100%;
  background: linear-gradient(90deg, var(--pt-blue), var(--pt-navy));
  border-radius: 999px;
  transition: width 420ms ease;
}

.pt-progress__meta {
  display: flex;
  justify-content: space-between;
  margin-top: 0.5rem;
  font-size: 0.8rem;
  color: var(--pt-gray-muted);
  font-weight: 600;
}

/* Question */
.pt-tag {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.3rem 0.65rem;
  border-radius: 999px;
  margin-bottom: 1rem;
  color: var(--pt-white);
  background: var(--pt-blue);
}

.pt-tag--vocabulary {
  background: var(--pt-orange);
}

.pt-tag--reading {
  background: var(--pt-green);
}

.pt-passage {
  background: var(--pt-gray-bg);
  border-left: 4px solid var(--pt-blue);
  border-radius: 0 var(--pt-radius) var(--pt-radius) 0;
  padding: 1rem 1.25rem;
  margin-bottom: 1.25rem;
  font-size: 0.95rem;
  line-height: 1.6;
}

.pt-passage p {
  margin: 0;
}

.pt-question {
  border: 0;
  padding: 0;
  margin: 0 0 1.5rem;
}

.pt-question__text {
  display: flex;
  align-items: center;
  padding: 0;
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--pt-navy-dark);
  line-height: 1.5;
  min-height: 3em;
  margin-bottom: 1.1rem;
}

.pt-options {
  display: grid;
  gap: 0.65rem;
}

.pt-option {
  position: relative;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  min-height: 3.25rem;
  padding: 0.85rem 1rem;
  border: 2px solid var(--pt-gray-bg);
  background: var(--pt-gray-bg);
  border-radius: var(--pt-radius);
  cursor: pointer;
  transition: border-color var(--pt-transition), background var(--pt-transition), transform var(--pt-transition);
}

.pt-option:hover {
  border-color: var(--pt-blue);
}

.pt-option.is-selected {
  border-color: var(--pt-blue);
  background: var(--pt-blue-bg);
  transform: translateY(-1px);
}

.pt-option input[type="radio"] {
  position: absolute;
  opacity: 0;
  width: 1px;
  height: 1px;
}

.pt-option input[type="radio"]:focus-visible ~ .pt-option__marker {
  outline: 2px solid var(--pt-blue);
  outline-offset: 2px;
}

.pt-option__marker {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 1.75rem;
  height: 1.75rem;
  border-radius: 50%;
  background: var(--pt-white);
  color: var(--pt-navy);
  font-weight: 700;
  font-size: 0.85rem;
}

.pt-option.is-selected .pt-option__marker {
  background: var(--pt-blue);
  color: var(--pt-white);
}

.pt-option__text {
  color: var(--pt-gray-text);
  font-weight: 500;
}

/* Buttons */
.pt-btn {
  font-family: inherit;
  font-size: 0.95rem;
  font-weight: 700;
  border: none;
  border-radius: var(--pt-radius);
  padding: 0.85rem 1.5rem;
  cursor: pointer;
  transition: background var(--pt-transition), transform var(--pt-transition), opacity var(--pt-transition);
}

.pt-btn--primary {
  background: var(--pt-orange);
  color: var(--pt-white);
}

.pt-btn--primary:hover:not(:disabled) {
  background: var(--pt-orange-dark);
}

.pt-btn--primary:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.pt-btn--ghost {
  background: transparent;
  color: var(--pt-navy);
  border: 2px solid var(--pt-blue-bg);
}

.pt-btn--ghost:hover:not(:disabled) {
  border-color: var(--pt-blue);
}

.pt-btn--ghost:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

.pt-nav {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  margin-top: auto;
  padding-top: 1.5rem;
}

.pt-nav .pt-btn {
  flex: 1;
}

/* Transition / loading */
.pt-transition {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  min-height: 260px;
  gap: 1.25rem;
}

.pt-transition__spinner {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 4px solid var(--pt-blue-bg);
  border-top-color: var(--pt-blue);
  animation: pt-spin 800ms linear infinite;
}

.pt-transition__text {
  color: var(--pt-navy);
  font-weight: 600;
  margin: 0;
}

/* Result */
.pt-result {
  text-align: center;
}

.pt-result__level {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-bottom: 1.5rem;
}

.pt-result__cefr {
  font-size: 3.5rem;
  font-weight: 800;
  color: var(--pt-navy);
  line-height: 1;
  animation: pt-pop-in 500ms ease both;
}

.pt-result__label {
  font-size: 1.1rem;
  color: var(--pt-gray-muted);
  font-weight: 600;
  margin-top: 0.4rem;
}

.pt-result__score {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 2rem;
}

.pt-score-ring {
  --size: 140px;
  width: var(--size);
  height: var(--size);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: conic-gradient(var(--pt-green) calc(var(--pct) * 1%), var(--pt-gray-bg) 0);
  animation: pt-ring-in 900ms ease both;
}

.pt-score-ring span {
  width: calc(var(--size) - 22px);
  height: calc(var(--size) - 22px);
  border-radius: 50%;
  background: var(--pt-white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--pt-navy);
}

.pt-result__score p {
  margin: 0;
  color: var(--pt-gray-muted);
  font-size: 0.9rem;
}

.pt-breakdown {
  display: grid;
  gap: 1rem;
  margin-bottom: 2rem;
  text-align: left;
}

.pt-breakdown__head {
  display: flex;
  justify-content: space-between;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--pt-navy-dark);
  margin-bottom: 0.35rem;
}

.pt-breakdown__bar {
  height: 8px;
  border-radius: 999px;
  background: var(--pt-gray-bg);
  overflow: hidden;
}

.pt-breakdown__fill {
  height: 100%;
  background: var(--pt-blue);
  border-radius: 999px;
  transition: width 700ms ease;
}

/* Animations */
@keyframes pt-fade-in {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes pt-spin {
  to {
    transform: rotate(360deg);
  }
}

@keyframes pt-pop-in {
  from {
    opacity: 0;
    transform: scale(0.85);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes pt-ring-in {
  from {
    opacity: 0;
    transform: scale(0.9);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@media (prefers-reduced-motion: reduce) {
  .pt-card,
  .pt-result__cefr,
  .pt-score-ring,
  .pt-transition__spinner {
    animation: none;
  }
}

/* Responsive */
@media (max-width: 480px) {
  .pt-nav {
    flex-direction: column-reverse;
  }
  .pt-intro__meta {
    gap: 1.1rem;
  }
}
