/*
  Professor IA — professor_ia/
  Estilo independente do módulo. Não é compartilhado com, nem carregado por,
  nenhuma outra área do site. Usa Bootstrap 5.3.3 (CDN) para grid e
  componentes base; este arquivo define a identidade visual própria do
  módulo (paleta "pia-"), inspirada na paleta global do site
  (assets/css/style.css) para manter familiaridade, mas com um acento de cor
  distinto (laranja) para expressar identidade funcional própria.
*/

:root {
  --pia-primary: #0f4c81;
  --pia-secondary: #11b8d8;
  --pia-accent: #e2762f;
  --pia-ink: #16324f;
  --pia-surface: #ffffff;
  --pia-surface-alt: #f3f7fb;
  --pia-border: rgba(15, 76, 129, 0.14);
  --pia-shadow: 0 20px 45px rgba(10, 40, 74, 0.08);
  --pia-shadow-card: 0 12px 30px rgba(11, 41, 73, 0.1);
  --pia-radius-lg: 24px;
  --pia-radius-md: 18px;
  --pia-radius-sm: 12px;
  --pia-container-max: 1180px;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
  color: var(--pia-ink);
  background:
    radial-gradient(circle at top left, rgba(17, 184, 216, 0.1), transparent 32%),
    radial-gradient(circle at top right, rgba(226, 118, 47, 0.1), transparent 28%),
    linear-gradient(180deg, #f7fbff 0%, #edf4fb 100%);
  min-height: 100vh;
  padding-top: 84px;
}

a {
  text-decoration: none;
}

img {
  max-width: 100%;
}

a:focus-visible,
button:focus-visible,
.btn:focus-visible,
.pia-nav-link:focus-visible,
.form-control:focus-visible,
.form-check-input:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 3px solid rgba(226, 118, 47, 0.9);
  outline-offset: 3px;
  box-shadow: 0 0 0 4px rgba(226, 118, 47, 0.16);
}

.pia-container {
  max-width: var(--pia-container-max);
  margin-left: auto;
  margin-right: auto;
}

.pia-section {
  padding-top: 4rem;
  padding-bottom: 4rem;
}

.pia-section.pt-0 {
  padding-top: 0;
}

.pia-subtitle {
  max-width: 720px;
  color: #40607a;
  font-size: 1.02rem;
}

/* ---------- Navbar ---------- */

.pia-navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1030;
  max-width: 100vw;
  backdrop-filter: blur(12px);
  background: rgba(255, 255, 255, 0.94);
  border-bottom: 1px solid var(--pia-border);
  box-shadow: 0 10px 26px rgba(9, 40, 56, 0.06);
}

.pia-navbar-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem 1rem;
  padding: 0.7rem 1rem;
}

.pia-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--pia-ink);
  font-weight: 800;
  font-size: 1.02rem;
  flex: 1 1 auto;
  min-width: 0;
}

.pia-brand i {
  color: var(--pia-primary);
  font-size: 1.3rem;
}

.pia-nav-toggle {
  display: none;
  min-width: 44px;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--pia-border);
  border-radius: var(--pia-radius-sm);
  background: var(--pia-surface);
  font-size: 1.4rem;
  color: var(--pia-primary);
}

.pia-nav-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.35rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.pia-nav-link {
  display: inline-block;
  padding: 0.5rem 0.85rem;
  border-radius: 999px;
  color: #34515e;
  font-weight: 600;
  font-size: 0.95rem;
}

.pia-nav-link:hover {
  color: var(--pia-primary);
  background: var(--pia-surface-alt);
}

.pia-nav-link.active {
  color: #fff;
  background: linear-gradient(135deg, var(--pia-primary), var(--pia-accent));
}

.pia-nav-link.pia-nav-pt {
  border: 1px solid var(--pia-border);
  color: var(--pia-primary);
}

@media (max-width: 991.98px) {
  .pia-nav-toggle {
    display: inline-flex;
  }

  .pia-nav-list {
    display: none;
    flex-direction: column;
    align-items: stretch;
    flex-basis: 100%;
    width: 100%;
    order: 3;
    padding-top: 0.75rem;
    gap: 0.4rem;
  }

  .pia-nav-list.pia-nav-open {
    display: flex;
  }

  .pia-nav-link {
    padding: 0.65rem 0.9rem;
  }
}

/* ---------- Hero / header card ---------- */

.pia-header-card {
  background: linear-gradient(150deg, rgba(255, 255, 255, 0.96), rgba(236, 248, 249, 0.92));
  border: 1px solid var(--pia-border);
  border-radius: 28px;
  box-shadow: var(--pia-shadow);
  padding: 2.5rem;
}

@media (max-width: 575.98px) {
  .pia-header-card {
    padding: 1.6rem;
  }
}

.pia-breadcrumb {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  padding: 0;
  margin: 0 0 0.9rem;
  font-size: 0.92rem;
}

.pia-breadcrumb li {
  color: #5a7581;
}

.pia-breadcrumb li:not(:last-child)::after {
  content: '/';
  margin-left: 0.5rem;
  color: #9db2ba;
}

.pia-breadcrumb a {
  color: #5a7581;
  font-weight: 600;
}

.pia-breadcrumb a:hover {
  color: var(--pia-primary);
}

.pia-breadcrumb li[aria-current="page"] {
  color: var(--pia-primary);
  font-weight: 700;
}

.pia-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.8rem;
  border-radius: 999px;
  background: rgba(15, 76, 129, 0.08);
  color: var(--pia-primary);
  font-size: 0.84rem;
  font-weight: 700;
  margin-bottom: 0.9rem;
}

.pia-hero-title {
  font-size: clamp(2rem, 4vw, 2.9rem);
  font-weight: 700;
  margin-bottom: 0.6rem;
  color: var(--pia-ink);
}

.pia-hero-subtitle {
  font-size: clamp(1.05rem, 2vw, 1.3rem);
  font-weight: 600;
  color: var(--pia-primary);
  margin-bottom: 1rem;
}

.pia-hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 1.25rem;
}

.pia-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.5rem 0.9rem;
  border-radius: 999px;
  background: var(--pia-surface);
  border: 1px solid var(--pia-border);
  box-shadow: 0 8px 18px rgba(9, 40, 56, 0.06);
  font-size: 0.88rem;
  font-weight: 600;
  color: #34515e;
}

.pia-badge i {
  color: var(--pia-secondary);
}

/* ---------- Notices ---------- */

.pia-notice {
  display: flex;
  align-items: flex-start;
  gap: 0.85rem;
  border-radius: var(--pia-radius-md);
  border: 1px solid var(--pia-border);
  background: var(--pia-surface-alt);
  padding: 1.1rem 1.3rem;
}

.pia-notice > div {
  /* Sem isto, o texto não encolhe dentro do flex container em telas
     muito estreitas (ex.: 320px) e causa overflow horizontal — flex
     items têm min-width:auto por padrão. */
  min-width: 0;
}

.pia-notice i {
  flex-shrink: 0;
  margin-top: 0.2rem;
  font-size: 1.2rem;
  color: var(--pia-primary);
}

.pia-notice h2,
.pia-notice h3 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--pia-ink);
  margin-bottom: 0.25rem;
}

.pia-notice p {
  margin-bottom: 0;
  color: #2e4a54;
  font-size: 0.92rem;
}

.pia-notice.pia-notice-privacy {
  border-left: 4px solid var(--pia-secondary);
}

.pia-safety-note {
  border-radius: var(--pia-radius-md);
  border-left: 4px solid var(--pia-accent);
  background: linear-gradient(135deg, rgba(226, 118, 47, 0.1), rgba(255, 244, 234, 0.55));
  border-top: 1px solid rgba(226, 118, 47, 0.28);
  border-right: 1px solid rgba(226, 118, 47, 0.28);
  border-bottom: 1px solid rgba(226, 118, 47, 0.28);
  padding: 1rem 1.15rem;
}

/* ---------- Cards / callouts ---------- */

.pia-callout {
  border-radius: var(--pia-radius-lg);
  background: linear-gradient(135deg, rgba(17, 184, 216, 0.1), rgba(226, 118, 47, 0.08));
  border: 1px solid rgba(17, 184, 216, 0.14);
  padding: 1.9rem;
}

.pia-card {
  height: 100%;
  border: 1px solid var(--pia-border);
  border-radius: var(--pia-radius-lg);
  background: rgba(255, 255, 255, 0.94);
  box-shadow: var(--pia-shadow-card);
  padding: 1.6rem;
  display: flex;
  flex-direction: column;
}

.pia-card:hover {
  transform: translateY(-3px);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  box-shadow: 0 16px 34px rgba(9, 40, 56, 0.13);
}

.pia-icon-badge {
  width: 50px;
  height: 50px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 16px;
  font-size: 1.35rem;
  background: linear-gradient(135deg, rgba(15, 76, 129, 0.14), rgba(226, 118, 47, 0.14));
  color: var(--pia-primary);
  margin-bottom: 0.9rem;
}

/* ---------- Assistant cards (home) ---------- */

.pia-assistant-card {
  height: 100%;
  border: 1px solid var(--pia-border);
  border-radius: var(--pia-radius-lg);
  background: rgba(255, 255, 255, 0.94);
  box-shadow: var(--pia-shadow-card);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  position: relative;
}

.pia-assistant-card.pia-assistant-active {
  border-color: rgba(226, 118, 47, 0.45);
}

.pia-assistant-card.pia-assistant-soon {
  opacity: 0.82;
}

.pia-coming-soon {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  align-self: flex-start;
  padding: 0.3rem 0.7rem;
  border-radius: 999px;
  background: rgba(11, 95, 122, 0.08);
  color: #4c6874;
  font-size: 0.78rem;
  font-weight: 700;
  margin-top: auto;
}

/* ---------- Principle cards ("Como pensamos a educação") ---------- */

.pia-principle-card {
  height: 100%;
  border-radius: var(--pia-radius-lg);
  border: 1px solid var(--pia-border);
  background: rgba(255, 255, 255, 0.94);
  box-shadow: var(--pia-shadow-card);
  padding: 1.5rem;
}

.pia-principle-card h3 {
  color: var(--pia-primary);
  font-size: 1.05rem;
}

/* ---------- Metacognition timeline (antes/durante/depois) ---------- */

.pia-meta-timeline {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

@media (max-width: 767.98px) {
  .pia-meta-timeline {
    grid-template-columns: 1fr;
  }
}

.pia-meta-step {
  border-radius: var(--pia-radius-lg);
  border: 1px solid var(--pia-border);
  background: rgba(255, 255, 255, 0.95);
  box-shadow: var(--pia-shadow-card);
  padding: 1.4rem;
}

.pia-meta-step-label {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.3rem 0.75rem;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 0.9rem;
}

.pia-meta-step[data-moment="antes"] .pia-meta-step-label {
  background: rgba(17, 184, 216, 0.14);
  color: #0a7f96;
}

.pia-meta-step[data-moment="durante"] .pia-meta-step-label {
  background: rgba(226, 118, 47, 0.14);
  color: #b95a1a;
}

.pia-meta-step[data-moment="depois"] .pia-meta-step-label {
  background: rgba(15, 76, 129, 0.12);
  color: var(--pia-primary);
}

.pia-meta-step ul {
  list-style: none;
  padding-left: 0;
  margin-bottom: 0;
  display: grid;
  gap: 0.6rem;
}

.pia-meta-step li {
  display: flex;
  align-items: flex-start;
  gap: 0.55rem;
  font-size: 0.94rem;
  color: #2e4a54;
}

.pia-meta-step li i {
  color: var(--pia-secondary);
  margin-top: 0.2rem;
  flex-shrink: 0;
}

/* ---------- Reference cards ---------- */

.pia-ref-card {
  border: 1px solid var(--pia-border);
  border-radius: var(--pia-radius-lg);
  background: rgba(255, 255, 255, 0.95);
  box-shadow: var(--pia-shadow-card);
  padding: 1.5rem;
  height: 100%;
  display: flex;
  flex-direction: column;
}

.pia-ref-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  align-self: flex-start;
  padding: 0.3rem 0.75rem;
  border-radius: 999px;
  font-size: 0.76rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  margin-bottom: 0.9rem;
}

.pia-ref-tag.pia-ref-br {
  background: rgba(15, 76, 129, 0.12);
  color: var(--pia-primary);
}

.pia-ref-tag.pia-ref-intl {
  background: rgba(226, 118, 47, 0.14);
  color: #b95a1a;
}

.pia-ref-card h3 {
  font-size: 1.08rem;
  margin-bottom: 0.5rem;
}

.pia-ref-card .pia-ref-type {
  font-size: 0.82rem;
  font-weight: 700;
  color: #5a7581;
  margin-bottom: 0.6rem;
}

.pia-ref-card p {
  font-size: 0.92rem;
  color: #2e4a54;
}

.pia-ref-card .pia-ref-link {
  margin-top: auto;
  padding-top: 0.75rem;
  font-weight: 700;
  color: var(--pia-primary);
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  word-break: break-word;
}

.pia-ref-card .pia-ref-link:hover {
  color: var(--pia-accent);
}

/* ---------- Buttons ---------- */

.pia-btn-gradient {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  min-height: 44px;
  padding: 0.6rem 1.3rem;
  border-radius: 999px;
  border: none;
  background: linear-gradient(135deg, var(--pia-primary), var(--pia-accent));
  color: #fff;
  font-weight: 700;
  font-size: 0.95rem;
  cursor: pointer;
}

.pia-btn-gradient:hover,
.pia-btn-gradient:focus-visible {
  opacity: 0.92;
  color: #fff;
}

.pia-btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  min-height: 44px;
  padding: 0.6rem 1.3rem;
  border-radius: 999px;
  border: 1px solid var(--pia-primary);
  background: transparent;
  color: var(--pia-primary);
  font-weight: 700;
  font-size: 0.95rem;
  cursor: pointer;
}

.pia-btn-outline:hover,
.pia-btn-outline:focus-visible {
  background: var(--pia-surface-alt);
  color: var(--pia-primary);
}

/* ---------- Form (Planejar Aula) ---------- */

.pia-form-card {
  border: 1px solid var(--pia-border);
  border-radius: var(--pia-radius-lg);
  background: rgba(255, 255, 255, 0.96);
  box-shadow: var(--pia-shadow);
  padding: 2rem;
}

@media (max-width: 575.98px) {
  .pia-form-card {
    padding: 1.25rem;
  }
}

.pia-mode-switch {
  display: inline-flex;
  border: 1px solid var(--pia-border);
  border-radius: 999px;
  padding: 0.25rem;
  background: var(--pia-surface-alt);
  margin-bottom: 1.75rem;
}

.pia-mode-switch button {
  border: none;
  background: transparent;
  padding: 0.55rem 1.2rem;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.92rem;
  color: #4c6874;
  min-height: 44px;
  cursor: pointer;
}

.pia-mode-switch button[aria-pressed="true"] {
  background: linear-gradient(135deg, var(--pia-primary), var(--pia-accent));
  color: #fff;
}

.pia-field {
  margin-bottom: 1.4rem;
}

.pia-field label,
.pia-field legend {
  display: block;
  font-weight: 700;
  color: var(--pia-ink);
  margin-bottom: 0.4rem;
  font-size: 0.96rem;
  padding: 0;
}

.pia-field .pia-field-hint {
  font-size: 0.86rem;
  color: #5a7581;
  margin-bottom: 0.5rem;
}

.pia-field .form-control,
.pia-field .form-select {
  border-radius: var(--pia-radius-sm);
  border: 1px solid var(--pia-border);
  padding: 0.65rem 0.9rem;
  font-size: 0.96rem;
}

.pia-field .form-control:focus,
.pia-field .form-select:focus {
  border-color: var(--pia-primary);
  box-shadow: 0 0 0 3px rgba(15, 76, 129, 0.12);
}

.pia-field fieldset {
  border: none;
  padding: 0;
  margin: 0;
}

.pia-check-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 0.5rem;
}

.pia-check-pill {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  border: 1px solid var(--pia-border);
  border-radius: var(--pia-radius-sm);
  padding: 0.55rem 0.75rem;
  font-size: 0.9rem;
  cursor: pointer;
}

.pia-check-pill:has(input:checked) {
  border-color: var(--pia-primary);
  background: rgba(15, 76, 129, 0.06);
}

.pia-check-pill input {
  min-width: 20px;
  min-height: 20px;
  cursor: pointer;
}

.pia-radio-pill {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  border: 1px solid var(--pia-border);
  border-radius: var(--pia-radius-md);
  padding: 0.7rem 0.9rem;
  font-size: 0.9rem;
  cursor: pointer;
  margin-bottom: 0.5rem;
}

.pia-radio-pill:has(input:checked) {
  border-color: var(--pia-accent);
  background: rgba(226, 118, 47, 0.06);
}

.pia-radio-pill input {
  margin-top: 0.2rem;
  min-width: 18px;
  min-height: 18px;
  cursor: pointer;
  flex-shrink: 0;
}

.pia-radio-pill .pia-radio-text strong {
  display: block;
  color: var(--pia-ink);
}

.pia-radio-pill .pia-radio-text span {
  color: #5a7581;
  font-size: 0.85rem;
}

.pia-field-error {
  color: #b3261e;
  font-size: 0.85rem;
  margin-top: 0.4rem;
  display: none;
}

.pia-field.pia-field-invalid .pia-field-error {
  display: block;
}

.pia-field.pia-field-invalid .form-control,
.pia-field.pia-field-invalid .form-select {
  border-color: #b3261e;
}

.pia-complete-toggle {
  border-top: 1px solid var(--pia-border);
  margin-top: 1rem;
  padding-top: 1.5rem;
}

/* ---------- Result area ---------- */

.pia-result-card {
  border: 1px solid var(--pia-border);
  border-radius: var(--pia-radius-lg);
  background: rgba(255, 255, 255, 0.97);
  box-shadow: var(--pia-shadow);
  padding: 1.8rem;
  margin-top: 2rem;
}

.pia-result-box {
  border-radius: var(--pia-radius-md);
  border: 1px solid rgba(15, 76, 129, 0.18);
  background: #f6fbfc;
  padding: 1.1rem;
  max-height: 480px;
  overflow-y: auto;
}

.pia-result-box pre {
  margin-bottom: 0;
  white-space: pre-wrap;
  word-break: break-word;
  font-size: 0.92rem;
  color: #1e3742;
  font-family: 'Consolas', 'Menlo', monospace;
}

.pia-copy-feedback {
  font-size: 0.88rem;
  color: #146b3a;
  margin-top: 0.6rem;
  min-height: 1.2em;
}

.pia-strategy-list {
  list-style: none;
  padding-left: 0;
  display: grid;
  gap: 0.9rem;
  margin: 0;
}

.pia-strategy-list li {
  border-left: 3px solid var(--pia-secondary);
  padding: 0.2rem 0 0.2rem 0.9rem;
}

.pia-strategy-list li strong {
  display: block;
  color: var(--pia-ink);
  font-size: 0.95rem;
}

.pia-strategy-list li span {
  color: #46606d;
  font-size: 0.88rem;
}

/* ---------- Footer ---------- */

.pia-footer {
  margin-top: 3rem;
  background: var(--pia-ink);
  color: rgba(255, 255, 255, 0.82);
  padding: 3rem 0 2rem;
}

.pia-footer h2 {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: rgba(255, 255, 255, 0.55);
  margin-bottom: 0.9rem;
}

.pia-footer ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 0.55rem;
}

.pia-footer a {
  color: rgba(255, 255, 255, 0.85);
}

.pia-footer a:hover {
  color: #fff;
  text-decoration: underline;
}

.pia-footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.14);
  margin-top: 2rem;
  padding-top: 1.25rem;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.55);
}

.pia-link-button {
  background: none;
  border: none;
  padding: 0;
  margin: 0;
  font: inherit;
  color: rgba(255, 255, 255, 0.85);
  text-decoration: underline;
  cursor: pointer;
}

.pia-link-button:hover,
.pia-link-button:focus-visible {
  color: #fff;
}

/* ---------- Utility ---------- */

.reveal-up {
  animation: piaRevealUp 0.5s ease both;
}

.reveal-delay-1 {
  animation-delay: 0.08s;
}

.reveal-delay-2 {
  animation-delay: 0.16s;
}

@keyframes piaRevealUp {
  from {
    opacity: 0;
    transform: translateY(16px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (prefers-reduced-motion: reduce) {

  html {
    scroll-behavior: auto;
  }

  .reveal-up,
  .reveal-delay-1,
  .reveal-delay-2,
  .pia-card:hover {
    animation: none !important;
    transition: none !important;
    transform: none !important;
  }
}

.visually-hidden-pia {
  position: absolute !important;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}