* { margin: 0; padding: 0; box-sizing: border-box; }

/* Paleta Bluer (extraída da marca oficial gradiente) — tema claro */
:root {
  color-scheme: light;
  --bg: #f5f8fc;
  --sidebar: #eaf0f7;
  --border: #d8e2ee;
  --text: #1e2c3f;
  --muted: #64758c;
  --navy: #204880;          /* azul principal da marca */
  --navy-dark: #203868;     /* ponta escura do gradiente */
  --blue: #2060a8;          /* ponta clara do gradiente */
  --brand-gradient: linear-gradient(135deg, #2b6fb5, #203868);
  --accent-soft: #dfeaf6;
  --mascote-blue: #1888e0;  /* azul do Blue (mascote) */
  --user-bubble: #e2edf9;
  --card: #ffffff;
}

/* Tema escuro */
:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #0f1826;
  --sidebar: #141f31;
  --border: #263650;
  --text: #e8eef7;
  --muted: #93a5bd;
  --navy: #8ec2f2;          /* marca clareada p/ contraste */
  --navy-dark: #203868;
  --blue: #4f92d6;
  --brand-gradient: linear-gradient(135deg, #2b6fb5, #1b3055);
  --accent-soft: #1d3350;
  --mascote-blue: #58b8f8;
  --user-bubble: #21395a;
  --card: #17263c;
}

/* Toggle de tema */
.theme-toggle {
  position: fixed;
  top: 12px;
  right: 16px;
  z-index: 50;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--card);
  font-size: 17px;
  cursor: pointer;
  box-shadow: 0 2px 10px rgba(16, 28, 48, .12);
  line-height: 1;
}
.theme-toggle:hover { border-color: var(--blue); }

/* Logo por tema (dark usa a versão negativa oficial) */
.logo-dark { display: none; }
:root[data-theme="dark"] .logo-light { display: none; }
:root[data-theme="dark"] .logo-dark { display: block; }

body {
  font-family: -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  height: 100vh;
  overflow: hidden;
}

.hidden { display: none !important; }

/* ===== Login ===== */
.login-wrap {
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background:
    radial-gradient(1100px 500px at 85% -10%, rgba(32, 96, 168, .12), transparent),
    radial-gradient(900px 500px at -10% 110%, rgba(32, 56, 104, .10), transparent),
    var(--bg);
}
.login-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 40px 36px 28px;
  width: 380px;
  box-shadow: 0 10px 34px rgba(32, 56, 104, .12);
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.login-logo {
  width: 190px;
  align-self: center;
  margin-bottom: 10px;
}
.login-card h1 {
  font-size: 22px;
  color: var(--navy);
  text-align: center;
  margin-bottom: 8px;
}
.login-card label { font-size: 13px; color: var(--muted); display: flex; flex-direction: column; gap: 6px; }
.login-card input {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 11px 12px;
  font-size: 15px;
  background: var(--bg);
  color: var(--text);
}
.login-card input:focus { outline: 2px solid var(--accent-soft); border-color: var(--blue); }
.msal-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--text);
  border-radius: 10px;
  padding: 12px;
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
}
.msal-btn:hover { border-color: var(--blue); background: var(--accent-soft); }

.dev-form { display: flex; flex-direction: column; gap: 14px; }

.login-card button[type="submit"] {
  margin-top: 6px;
  background: var(--brand-gradient);
  color: #fff;
  border: none;
  border-radius: 10px;
  padding: 12px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
}
.login-card button[type="submit"]:hover { filter: brightness(1.12); }
.login-error { color: #b02a1a; font-size: 13px; text-align: center; }
.login-dev-note { color: var(--muted); font-size: 12px; text-align: center; }

/* ===== Layout ===== */
.chat-wrap { display: flex; height: 100vh; }

.sidebar {
  width: 268px;
  min-width: 268px;
  background: var(--sidebar);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  padding: 14px 10px 10px;
}
.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 2px 6px 14px;
  font-size: 15px;
  font-weight: 700;
  color: var(--navy);
}
.brand-icon { width: 30px; height: auto; }

.new-conv {
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--navy);
  border-radius: 10px;
  padding: 10px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  margin-bottom: 12px;
}
.new-conv:hover { border-color: var(--blue); background: var(--accent-soft); }

.conv-list { flex: 1; overflow-y: auto; display: flex; flex-direction: column; gap: 2px; }
.conv-item {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 9px 10px;
  border-radius: 8px;
  font-size: 13.5px;
  color: var(--text);
  cursor: pointer;
  border: none;
  background: transparent;
  text-align: left;
  width: 100%;
}
.conv-item:hover { background: rgba(32, 72, 128, .08); }
.conv-item.active { background: var(--accent-soft); font-weight: 600; color: var(--navy); }
.conv-item .conv-title {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.conv-item .conv-badge {
  flex-shrink: 0;
  min-width: 18px; height: 18px; padding: 0 5px;
  border-radius: 9px;
  background: var(--blue); color: #fff;
  font-size: 11px; font-weight: 600; line-height: 18px;
  text-align: center;
}
.conv-item .conv-del {
  border: none; background: none; color: var(--muted);
  cursor: pointer; font-size: 14px; visibility: hidden; padding: 2px;
}
.conv-item:hover .conv-del { visibility: visible; }
.conv-item .conv-del:hover { color: #b02a1a; }

.sidebar-footer {
  border-top: 1px solid var(--border);
  padding: 10px 6px 2px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}
.me-email { font-size: 12.5px; color: var(--muted); overflow: hidden; text-overflow: ellipsis; }
.admin-link { font-size: 13px; color: var(--muted); text-decoration: underline; white-space: nowrap; }
.admin-link:hover { color: var(--blue); }
.logout {
  border: none; background: none; color: var(--muted);
  font-size: 13px; cursor: pointer; text-decoration: underline;
}
.logout:hover { color: var(--blue); }

/* ===== Chat ===== */
.chat-main {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  min-width: 0;
}
.chat-scroll {
  flex: 1;
  overflow-y: auto;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 28px 16px 12px;
}
#messages { width: 100%; max-width: 760px; display: flex; flex-direction: column; gap: 18px; }

.empty-hint { margin: auto; text-align: center; color: var(--muted); }
.empty-mascote { width: 92px; margin-bottom: 10px; }
.empty-hint h2 { color: var(--navy); font-size: 24px; margin-bottom: 10px; font-weight: 600; }
.suggestions { display: flex; flex-direction: column; gap: 8px; margin-top: 18px; }
.suggestion {
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--text);
  border-radius: 10px;
  padding: 10px 16px;
  font-size: 14px;
  cursor: pointer;
}
.suggestion:hover { border-color: var(--blue); color: var(--navy); background: var(--accent-soft); }

.msg { display: flex; width: 100%; }
.msg.user { justify-content: flex-end; }
.msg.user .msg-body {
  background: var(--user-bubble);
  border-radius: 14px 14px 4px 14px;
  padding: 11px 15px;
  max-width: 82%;
  white-space: pre-wrap;
}
.msg.assistant { gap: 10px; }
.msg.assistant .avatar {
  width: 32px; height: 32px; min-width: 32px;
  border-radius: 50%;
  background: var(--accent-soft);
  display: flex; align-items: center; justify-content: center;
  margin-top: 2px;
  overflow: hidden;
}
.msg.assistant .avatar img { width: 26px; height: 26px; object-fit: contain; }
.msg.assistant.error .avatar {
  background: #f7e3df;
  color: #b02a1a;
  font-weight: 700;
  font-size: 14px;
}
.msg.assistant .msg-body { max-width: calc(100% - 52px); line-height: 1.55; }
.msg.assistant .msg-body p { margin-bottom: 8px; }
.msg.assistant .msg-body ul { margin: 4px 0 8px 20px; }

/* Tabelas nas respostas */
.msg-body .table-wrap {
  overflow-x: auto;
  margin: 8px 0 12px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--card);
}
.msg-body table { border-collapse: collapse; width: 100%; font-size: 13.5px; }
.msg-body th, .msg-body td {
  padding: 8px 14px;
  text-align: left;
  white-space: nowrap;
  border-bottom: 1px solid var(--border);
}
.msg-body th { color: var(--muted); font-weight: 600; background: var(--accent-soft); }
.msg-body td.num { text-align: right; font-variant-numeric: tabular-nums; }
.msg-body tbody tr:last-child td { border-bottom: none; }
.msg .latency { display: block; color: var(--muted); font-size: 11.5px; margin-top: 6px; }
.msg.error .msg-body { color: #b02a1a; }

/* Feedback 👍/👎 nas respostas */
.feedback-bar { margin-top: 8px; }
.fb-row { display: flex; gap: 4px; }
.fb-btn {
  border: 1px solid transparent;
  background: none;
  border-radius: 8px;
  font-size: 13.5px;
  padding: 3px 8px;
  cursor: pointer;
  opacity: .45;
  filter: grayscale(1);
}
.fb-btn:hover { opacity: 1; filter: none; background: var(--accent-soft); }
.fb-btn.sel { opacity: 1; filter: none; border-color: var(--blue); background: var(--accent-soft); }
.fb-comment { margin-top: 8px; display: flex; gap: 8px; align-items: flex-end; }
.fb-comment textarea {
  flex: 1;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 8px 10px;
  font: inherit;
  font-size: 13.5px;
  background: var(--card);
  color: var(--text);
  resize: vertical;
}
.fb-comment textarea:focus { outline: 2px solid var(--accent-soft); border-color: var(--blue); }
.fb-send {
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--navy);
  border-radius: 10px;
  padding: 8px 14px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
}
.fb-send:hover { border-color: var(--blue); background: var(--accent-soft); }

.chart-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 14px;
  margin-top: 12px;
  height: 340px;
  width: 100%;
  position: relative;
  /* Gráfico comprido cresce até aqui e rola por dentro (renderChartCard);
     a alça no canto de baixo deixa o usuário escolher outra altura. */
  --chart-auto-max: 520px;
  overflow: hidden;   /* quem rola é a .chart-rolagem; o `resize` pede overflow != visible */
  resize: vertical;
  min-height: 160px;
}
.chart-rolagem { overflow-y: auto; }
.chart-area { position: relative; height: 100%; }
.chart-card canvas, .gtc-corpo canvas { width: 100% !important; height: 100% !important; }

/* Botões no canto de cima (alternador + Expandir), fora da rolagem. */
.chart-botoes {
  position: absolute; top: 8px; right: 8px; z-index: 2;
  display: flex; align-items: center; gap: 6px;
  opacity: .55; transition: opacity .15s;
}
.chart-card:hover .chart-botoes, .chart-botoes:focus-within, .modo-tabela .chart-botoes { opacity: 1; }
@media (hover: none) { .chart-botoes { opacity: 1; } }

/* Alternador Gráfico | Tabela */
.chart-modo { display: inline-flex; border: 1px solid var(--border); border-radius: 8px; overflow: hidden; background: var(--card); }
.chart-modo button {
  height: 26px; padding: 0 10px; border: 0; background: transparent;
  color: var(--muted); font: inherit; font-size: 12px; font-weight: 600; cursor: pointer;
}
.chart-modo button + button { border-left: 1px solid var(--border); }
.chart-modo button:hover { color: var(--text); }
.chart-modo button[aria-pressed="true"] { background: var(--accent-soft); color: var(--text); }
.chart-modo button:focus-visible { outline: 2px solid var(--blue); outline-offset: -2px; }

/* Cabeçalho do cartão: título à esquerda, botões à direita, e a rolagem
   começa abaixo dele — o cabeçalho da tabela gruda sem ficar sob os botões,
   e o título nunca passa por baixo deles. */
.chart-titulo {
  position: absolute; top: 12px; left: 14px; right: 168px;
  font-size: 13.5px; font-weight: 600; color: var(--text);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.chart-rolagem { height: calc(100% - 32px); margin-top: 32px; }
.chart-tabela { display: none; }
.modo-tabela .chart-area { display: none; }
.modo-tabela .chart-tabela { display: block; }
.chart-tabela table { width: 100%; border-collapse: collapse; font-size: 13px; border: 0; }
.chart-card .chart-tabela th, .gtc-corpo .chart-tabela th {
  position: sticky; top: 0; z-index: 1; background: var(--card);
  padding: 6px 10px; text-align: left; white-space: nowrap;
  font-size: 11.5px; font-weight: 700; letter-spacing: .04em; text-transform: uppercase;
  color: var(--muted); border-bottom: 1px solid var(--border);
}
.chart-card .chart-tabela td, .gtc-corpo .chart-tabela td {
  padding: 7px 10px; text-align: left; white-space: nowrap;
  border-top: 0; border-bottom: 1px solid var(--border); font-weight: 400;
}
.chart-card .chart-tabela .num, .gtc-corpo .chart-tabela .num { text-align: right; font-variant-numeric: tabular-nums; }
.chart-tabela tbody tr:last-child td { border-bottom: 0; }

.chart-expandir {
  width: 28px; height: 28px; display: grid; place-items: center;
  border: 1px solid var(--border); border-radius: 8px;
  background: var(--card); color: var(--muted); cursor: pointer;
  transition: color .15s, background .15s;
}
.chart-expandir svg { width: 16px; height: 16px; }
.chart-expandir:hover { color: var(--text); background: var(--accent-soft); }

/* Tela cheia do gráfico */
.grafico-tela-cheia {
  position: fixed; inset: 0; z-index: 1000;
  background: rgba(8, 12, 20, .62);
  display: flex; align-items: center; justify-content: center; padding: 24px;
}
/* Altura presa à janela (não ao gráfico): quem rola é o corpo. Em grid a
   linha crescia com o conteúdo e a caixa passava da tela. */
.gtc-caixa {
  width: min(1400px, 100%); height: 100%; max-height: 100%;
  display: flex; flex-direction: column;
  background: var(--card); border: 1px solid var(--border); border-radius: 14px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, .35);
}
.gtc-cabeca {
  display: flex; align-items: center; gap: 12px;
  padding: 12px 14px 12px 20px; border-bottom: 1px solid var(--border);
}
.gtc-cabeca b { flex: 1; font-size: 15px; color: var(--text); }
.gtc-fechar {
  width: 32px; height: 32px; border: 0; border-radius: 8px;
  background: transparent; color: var(--muted); font-size: 22px; line-height: 1; cursor: pointer;
}
.gtc-fechar:hover, .gtc-fechar:focus-visible { color: var(--text); background: var(--accent-soft); }
.gtc-corpo { flex: 1; min-height: 0; overflow-y: auto; padding: 16px 20px 20px; }
.modo-tabela .gtc-corpo { padding-top: 0; }   /* o cabeçalho da tabela gruda no topo */
@media (max-width: 640px) {
  .grafico-tela-cheia { padding: 0; }
  .gtc-caixa { border-radius: 0; border: 0; }
  .gtc-corpo { padding: 12px 16px 16px; }
}

.typing {
  width: 100%; max-width: 760px;
  display: flex; align-items: center; gap: 10px;
  color: var(--muted); font-size: 13.5px;
  padding: 10px 0 4px 2px;
}
.typing-mascote { width: 30px; animation: float 2s ease-in-out infinite; }
@keyframes float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-4px); } }
.dots { display: flex; gap: 3px; }
.dots span {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--mascote-blue);
  animation: bounce 1.2s infinite;
}
.dots span:nth-child(2) { animation-delay: .15s; }
.dots span:nth-child(3) { animation-delay: .3s; }
@keyframes bounce { 0%, 60%, 100% { transform: none; opacity: .4; } 30% { transform: translateY(-5px); opacity: 1; } }

/* ===== Mobile: sidebar vira drawer ===== */
.sidebar-toggle { display: none; }
.backdrop {
  position: fixed;
  inset: 0;
  background: rgba(10, 18, 32, .45);
  z-index: 55;
}

@media (max-width: 768px) {
  .sidebar-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    position: fixed;
    top: 12px;
    left: 16px;
    z-index: 50;
    width: 38px;
    height: 38px;
    border-radius: 50%;
    border: 1px solid var(--border);
    background: var(--card);
    color: var(--text);
    font-size: 17px;
    cursor: pointer;
    box-shadow: 0 2px 10px rgba(16, 28, 48, .12);
  }
  .sidebar {
    position: fixed;
    top: 0;
    left: -300px;
    bottom: 0;
    z-index: 60;
    transition: left .25s ease;
    box-shadow: 4px 0 24px rgba(10, 18, 32, .3);
  }
  .sidebar.open { left: 0; }
  .conv-item .conv-del { visibility: visible; }  /* touch não tem hover */
  .chat-scroll { padding-top: 62px; }            /* espaço p/ botões flutuantes */
  .msg.user .msg-body { max-width: 92%; }
  .msg.assistant .msg-body { max-width: calc(100% - 42px); }
  .chart-card { height: 280px; padding: 10px; }
  .empty-mascote { width: 72px; }
  .empty-hint h2 { font-size: 20px; }
}

/* ===== Composer ===== */
.composer {
  width: 100%; max-width: 760px;
  display: flex; align-items: flex-end; gap: 8px;
  border: 1px solid var(--border);
  background: var(--card);
  border-radius: 14px;
  padding: 10px 10px 10px 16px;
  margin: 6px 16px 0;
  box-shadow: 0 4px 16px rgba(32, 56, 104, .08);
}
.composer:focus-within { border-color: var(--blue); }
#input {
  flex: 1;
  border: none;
  resize: none;
  font: inherit;
  font-size: 15px;
  background: transparent;
  color: var(--text);
  max-height: 140px;
  outline: none;
}
#send {
  border: none;
  background: var(--brand-gradient);
  color: #fff;
  width: 36px; height: 36px;
  border-radius: 10px;
  font-size: 15px;
  cursor: pointer;
}
#send:hover { filter: brightness(1.12); }
#send:disabled { background: var(--border); cursor: default; filter: none; }
.composer-note {
  color: var(--muted);
  font-size: 11.5px;
  padding: 6px 0 10px;
}

/* Bolha em streaming: cursor piscando enquanto o texto chega. */
.msg.streaming .msg-body::after {
  content: "▍";
  display: inline-block;
  margin-left: 1px;
  animation: cursor-pisca 1s steps(2, start) infinite;
  color: var(--blue);
}
@keyframes cursor-pisca { to { visibility: hidden; } }

/* Card de métrica proposta: a decisão do diretor é por botão, não por
   texto (o smalltalk engoliria um "beleza"). */
.proposta-card {
  margin: 10px 0 4px 44px;          /* alinhado com o corpo da bolha */
  max-width: min(640px, 92%);
  background: var(--card);
  border: 1px solid var(--blue);
  border-radius: 14px;
  padding: 14px 16px;
}
.proposta-titulo { font-weight: 600; color: var(--navy); }
.proposta-titulo code {
  background: var(--accent-soft);
  border-radius: 6px;
  padding: 1px 6px;
}
.proposta-desc { margin: 8px 0; color: var(--text); }
.proposta-resumo {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 8px 10px;
  font-size: 12.5px;
  overflow-x: auto;
  white-space: pre;
  color: var(--muted);
}
.proposta-acoes { display: flex; gap: 8px; margin-top: 10px; }
.proposta-confirmar {
  background: var(--brand-gradient);
  color: #fff;
  border: none;
  border-radius: 10px;
  padding: 8px 14px;
  cursor: pointer;
}
.proposta-confirmar:hover { filter: brightness(1.12); }
.proposta-cancelar {
  background: none;
  color: var(--muted);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 8px 14px;
  cursor: pointer;
}
.proposta-cancelar:hover { background: var(--accent-soft); }
.proposta-confirmar:disabled, .proposta-cancelar:disabled {
  opacity: 0.5;
  cursor: default;
}
.proposta-msg { margin-top: 10px; font-size: 13.5px; }
.proposta-ok { color: #1a7f4b; font-weight: 600; }
.proposta-neutra { color: var(--muted); }
.proposta-erro { color: #b3261e; }

/* primeiro acesso por e-mail: definir a senha */
.senha-hint { font-size: 13px; color: var(--muted); margin: -4px 0 12px; line-height: 1.45; }