/* Tema do PJC-IA: sobrescreve as variaveis do daisyUI (temas light e dark) e define os componentes
   do chat. Carregado depois de /vendor/daisyui.css; como o daisyUI usa @layer, estas regras vencem. */

[data-theme=light] {
  color-scheme: light;
  --color-base-100: #ffffff;
  --color-base-200: #f3f5fa;
  --color-base-300: #e1e6f0;
  --color-base-content: #172033;
  --color-primary: #3f51d4;
  --color-primary-content: #ffffff;
  --color-secondary: #0e7490;
  --color-secondary-content: #ffffff;
  --color-accent: #0891b2;
  --color-accent-content: #ffffff;
  --color-neutral: #1e2740;
  --color-neutral-content: #eef1f8;
  --color-info: #0369a1;
  --color-info-content: #ffffff;
  --color-success: #15803d;
  --color-success-content: #ffffff;
  --color-warning: #fbbf24;
  --color-warning-content: #3b2500;
  --color-error: #c0262d;
  --color-error-content: #ffffff;
  --radius-box: 0.875rem;
  --radius-field: 0.625rem;
  --radius-selector: 0.5rem;
  --depth: 0;
  --pjc-sombra: 0 1px 2px rgb(23 32 51 / 0.06), 0 4px 16px rgb(23 32 51 / 0.06);
  --pjc-fundo: radial-gradient(60rem 30rem at 10% -10%, rgb(63 81 212 / 0.08), transparent 60%),
    radial-gradient(50rem 28rem at 100% 0%, rgb(14 116 144 / 0.07), transparent 60%);
}

[data-theme=dark] {
  color-scheme: dark;
  --color-base-100: #161c2d;
  --color-base-200: #0f1422;
  --color-base-300: #283049;
  --color-base-content: #e6eaf4;
  --color-primary: #8b9bff;
  --color-primary-content: #0d1233;
  --color-secondary: #4fc3d9;
  --color-secondary-content: #052a33;
  --color-accent: #6ee0f0;
  --color-accent-content: #04282e;
  --color-neutral: #2a3350;
  --color-neutral-content: #e6eaf4;
  --color-info: #5bb8f5;
  --color-info-content: #04243a;
  --color-success: #4ade80;
  --color-success-content: #052e16;
  --color-warning: #fbbf24;
  --color-warning-content: #3b2500;
  --color-error: #ff7b82;
  --color-error-content: #3d0508;
  --radius-box: 0.875rem;
  --radius-field: 0.625rem;
  --radius-selector: 0.5rem;
  --depth: 0;
  --pjc-sombra: 0 1px 2px rgb(0 0 0 / 0.3), 0 4px 16px rgb(0 0 0 / 0.25);
  --pjc-fundo: radial-gradient(60rem 30rem at 10% -10%, rgb(139 155 255 / 0.08), transparent 60%),
    radial-gradient(50rem 28rem at 100% 0%, rgb(79 195 217 / 0.06), transparent 60%);
}

html {
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  -webkit-text-size-adjust: 100%;
}

body {
  background-color: var(--color-base-200);
  background-image: var(--pjc-fundo);
  background-attachment: fixed;
  color: var(--color-base-content);
}

:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* Cartoes: borda fina no lugar de sombra pesada. */
.card, .modal-box, .dropdown-content {
  border: 1px solid var(--color-base-300);
  box-shadow: var(--pjc-sombra);
}

.btn { font-weight: 500; }

.input, .select, .textarea, .file-input {
  background-color: var(--color-base-100);
}

.input:focus, .input:focus-within, .select:focus, .textarea:focus {
  outline-color: var(--color-primary);
}

/* Troca de tema: so o botao mostra o icone do tema de destino. */
[data-theme=dark] .tema-lua, :root:not([data-theme=dark]) .tema-sol { display: none; }

/* Cabecalho */
.cabecalho {
  position: sticky;
  top: 0;
  z-index: 40;
  height: 4rem;
  background-color: color-mix(in oklab, var(--color-base-100) 85%, transparent);
  border-bottom: 1px solid var(--color-base-300);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
}

.marca {
  display: inline-flex;
  align-items: center;
  gap: 0.625rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.marca-selo {
  display: grid;
  place-items: center;
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 0.75rem;
  font-size: 0.875rem;
  font-weight: 800;
  color: var(--color-primary-content);
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
}

/* Chat */
.chat-layout {
  display: flex;
  gap: 1rem;
  height: calc(100dvh - 4rem);
}

@media (min-width: 1024px) {
  .chat-layout { height: calc(100dvh - 6rem); }
}

.chat-lateral {
  position: fixed;
  inset-block: 0;
  inset-inline-start: 0;
  z-index: 50;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  width: min(20rem, 85vw);
  padding: 1rem;
  background-color: var(--color-base-100);
  border-inline-end: 1px solid var(--color-base-300);
  translate: -100% 0;
  transition: translate 0.2s ease;
}

#gaveta:checked ~ .chat-lateral { translate: 0 0; }

#gaveta:focus-visible ~ .chat-principal .gaveta-botao {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.gaveta-fundo {
  position: fixed;
  inset: 0;
  z-index: 45;
  display: none;
  background: rgb(8 12 24 / 0.55);
}

#gaveta:checked ~ .gaveta-fundo { display: block; }

@media (min-width: 1024px) {
  .chat-lateral {
    position: static;
    translate: 0 0;
    flex: none;
    width: 18rem;
    border: 1px solid var(--color-base-300);
    border-radius: var(--radius-box);
    box-shadow: var(--pjc-sombra);
  }
  .gaveta-fundo, #gaveta:checked ~ .gaveta-fundo { display: none; }
  .gaveta-botao, .gaveta-fechar { display: none; }
}

.chat-principal {
  display: flex;
  flex: 1;
  flex-direction: column;
  gap: 0.75rem;
  min-width: 0;
}

.chat-painel {
  display: flex;
  flex: 1;
  flex-direction: column;
  min-height: 0;
  overflow: hidden;
  background-color: var(--color-base-100);
  border: 1px solid var(--color-base-300);
  border-radius: var(--radius-box);
  box-shadow: var(--pjc-sombra);
}

@media (max-width: 639px) {
  .chat-painel { border-inline: 0; border-radius: 0; }
}

.chat-mensagens {
  display: flex;
  flex: 1;
  flex-direction: column;
  gap: 1.25rem;
  min-height: 0;
  padding: 1.25rem 1rem;
  overflow-y: auto;
}

@media (min-width: 640px) {
  .chat-mensagens { padding: 1.5rem; }
}

.chat-vazio {
  margin: auto;
  max-width: 28rem;
  text-align: center;
}

.chat-vazio-selo {
  display: grid;
  place-items: center;
  width: 3.5rem;
  height: 3.5rem;
  margin: 0 auto 1rem;
  border-radius: 1rem;
  font-size: 1.125rem;
  font-weight: 800;
  color: var(--color-primary-content);
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
}

/* Mensagens. A mesma estrutura e gerada no servidor (chat.html) e no navegador (chat.js). */
.msg {
  display: flex;
  gap: 0.75rem;
  max-width: 100%;
}

.msg-usuario { justify-content: flex-end; }

.msg-assistente::before {
  content: "IA";
  flex: none;
  display: grid;
  place-items: center;
  width: 2rem;
  height: 2rem;
  border-radius: 0.625rem;
  font-size: 0.7rem;
  font-weight: 800;
  color: var(--color-primary-content);
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
}

.msg-conteudo {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  min-width: 0;
  max-width: min(100%, 48rem);
}

.msg-usuario .msg-conteudo { align-items: flex-end; max-width: min(85%, 40rem); }

.msg-bolha {
  min-width: 0;
  overflow-wrap: anywhere;
  line-height: 1.6;
}

.msg-usuario .msg-bolha {
  padding: 0.625rem 1rem;
  border-radius: 1.25rem 1.25rem 0.375rem 1.25rem;
  color: var(--color-primary-content);
  background-color: var(--color-primary);
}

.msg-usuario .msg-bolha a { color: inherit; text-decoration: underline; }

.msg-assistente .msg-bolha { padding-top: 0.3rem; }

/* Indicador de espera: bolha da resposta ainda sem texto. */
.md:empty::after {
  content: "";
  display: inline-block;
  width: 1.5rem;
  height: 0.5rem;
  background: radial-gradient(circle, currentColor 40%, transparent 45%) 0 0 / 0.5rem 0.5rem repeat-x;
  opacity: 0.5;
  animation: pjc-pulso 1.2s ease-in-out infinite;
}

@keyframes pjc-pulso {
  50% { opacity: 0.15; }
}

/* Markdown renderizado (marked + DOMPurify). O reset do Tailwind zera listas, titulos e tabelas. */
.md > :first-child { margin-top: 0; }
.md > :last-child { margin-bottom: 0; }
.md p, .md ul, .md ol, .md pre, .md blockquote, .md table { margin-block: 0.75rem; }
.md h1, .md h2, .md h3, .md h4, .md h5, .md h6 { margin-block: 1.25rem 0.5rem; font-weight: 650; line-height: 1.3; }
.md h1 { font-size: 1.35rem; }
.md h2 { font-size: 1.2rem; }
.md h3, .md h4, .md h5, .md h6 { font-size: 1.05rem; }
.md ul { list-style: disc; padding-inline-start: 1.5rem; }
.md ol { list-style: decimal; padding-inline-start: 1.5rem; }
.md li + li { margin-top: 0.25rem; }
.md li::marker { color: color-mix(in oklab, currentColor 55%, transparent); }
.md a { color: var(--color-primary); text-decoration: underline; text-underline-offset: 2px; }
.md hr { margin-block: 1.25rem; border-color: var(--color-base-300); }
.md blockquote {
  padding-inline-start: 1rem;
  border-inline-start: 3px solid var(--color-base-300);
  color: color-mix(in oklab, currentColor 75%, transparent);
}
.md code {
  padding: 0.1rem 0.35rem;
  border-radius: 0.375rem;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.875em;
  background-color: var(--color-base-200);
}
.md pre {
  padding: 0.875rem 1rem;
  overflow-x: auto;
  border: 1px solid var(--color-base-300);
  border-radius: 0.75rem;
  background-color: var(--color-base-200);
}
.md pre code { padding: 0; background: none; }
.md table { display: block; max-width: 100%; overflow-x: auto; border-collapse: collapse; font-size: 0.9rem; }
.md th, .md td { padding: 0.4rem 0.75rem; border: 1px solid var(--color-base-300); text-align: start; }
.md th { background-color: var(--color-base-200); font-weight: 600; }
.md img { max-width: 100%; border-radius: 0.75rem; }
.msg-usuario .md code, .msg-usuario .md pre {
  color: var(--color-base-content);
}

/* Fontes citadas */
.fontes { display: flex; flex-direction: column; gap: 0.375rem; font-size: 0.75rem; }
.fonte-caixa, .fontes details {
  border: 1px solid var(--color-base-300);
  border-radius: 0.75rem;
  background-color: var(--color-base-200);
}
.fonte-caixa { padding: 0.5rem 1rem; }

/* Trecho citado em Markdown: mais compacto que a resposta, com titulos do tamanho do texto. */
.fontes .md { font-size: 0.8125rem; line-height: 1.5; overflow-wrap: anywhere; }
.fontes .md h1, .fontes .md h2, .fontes .md h3, .fontes .md h4, .fontes .md h5, .fontes .md h6 {
  margin-block: 0.75rem 0.25rem;
  font-size: 0.875rem;
}
.fontes .md p, .fontes .md ul, .fontes .md ol, .fontes .md pre, .fontes .md blockquote, .fontes .md table { margin-block: 0.5rem; }

/* Campo de mensagem */
.chat-compositor {
  padding: 0.75rem;
  background-color: var(--color-base-100);
  border-top: 1px solid var(--color-base-300);
}

.chat-campo {
  display: flex;
  align-items: flex-end;
  gap: 0.5rem;
  padding: 0.5rem;
  border: 1px solid var(--color-base-300);
  border-radius: 1.25rem;
  background-color: var(--color-base-200);
  transition: border-color 0.15s, box-shadow 0.15s;
}

.chat-campo:focus-within {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px color-mix(in oklab, var(--color-primary) 22%, transparent);
}

.chat-campo textarea {
  flex: 1;
  min-width: 0;
  max-height: 10rem;
  padding: 0.5rem 0.25rem;
  resize: none;
  border: 0;
  outline: 0;
  background: transparent;
  line-height: 1.5;
}

@media (prefers-reduced-motion: reduce) {
  .chat-lateral { transition: none; }
  .md:empty::after { animation: none; }
}

.chat-opcoes {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.5rem;
  padding: 0 0.25rem;
}

/* Raciocinio do modelo: texto puro, discreto, com rolagem propria. */
.raciocinio {
  margin-bottom: 0.5rem;
  padding: 0.25rem 0.75rem;
  border: 1px solid var(--color-base-300);
  border-radius: 0.75rem;
  font-size: 0.8rem;
  opacity: 0.8;
}

.raciocinio summary {
  cursor: pointer;
  font-weight: 500;
}

.raciocinio-texto {
  max-height: 12rem;
  margin-top: 0.25rem;
  overflow-y: auto;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  font-family: inherit;
  font-size: 0.75rem;
}