:root{
  --ink:#16243D; --ink-soft:#5B6B80; --paper:#F7F6F2; --surface:#FFFFFF;
  --line:#E6E3DA; --accent:#2F9E86; --accent-dark:#1F7A66; --amber:#D98E3B; --brick:#B4483A;
}
*{box-sizing:border-box}
html,body{height:100%;}
body{margin:0;background:var(--paper);font-family:'Manrope',sans-serif;color:var(--ink);-webkit-font-smoothing:antialiased;}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer}
textarea,input{font-family:inherit;}

/* navegação lateral — telas da professora */
.navi{display:flex;align-items:center;gap:12px;padding:10px 12px;border-radius:10px;font-size:14px;font-weight:600;color:rgba(241,239,232,0.72);}
.navi.active{background:rgba(255,255,255,0.1);color:#F1EFE8;}

/* navegação inferior — telas do aluno */
.tab{display:flex;flex-direction:column;align-items:center;gap:4px;font-size:10px;font-weight:700;color:var(--ink-soft);flex:1;}
.tab.active{color:var(--accent-dark);}

/* tabela do financeiro */
.row{display:grid;grid-template-columns:2.2fr 1.6fr 1.4fr 1.2fr;align-items:center;padding:14px 18px;border-top:1px solid var(--line);min-width:640px;}
.scroll-fill{flex:1;overflow:auto;}

/* onboarding */
.step-dot{width:30px;height:30px;border-radius:999px;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:800;flex-shrink:0;}
.step-done{background:var(--accent);color:#fff;}
.step-active{background:var(--surface);border:2px solid var(--accent);color:var(--accent-dark);}
.step-todo{background:var(--surface);border:1.5px solid var(--line);color:var(--ink-soft);}
.step-label{font-size:11px;font-weight:700;margin-top:6px;text-align:center;white-space:nowrap;}
.slot{border:1px solid var(--line);border-radius:8px;height:38px;display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:700;color:var(--line);}
.slot-on{background:#EFF7F4;border:1.5px solid var(--accent);color:var(--accent-dark);}
.card{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:18px 20px;}

/* aviso pequeno de estado da integração com a API */
.api-status{font-size:11px;color:var(--ink-soft);margin-top:6px;}
.api-status.ok{color:var(--accent-dark);font-weight:700;}

/* ===== Esqueleto de layout responsivo — telas internas da professora e onboarding =====
   Fica num arquivo compartilhado (em vez de inline) justamente pra poder ter regras
   diferentes por tamanho de tela sem precisar de !important em cima de style="". */
.app-shell{width:100%;min-height:100vh;display:flex;overflow:hidden;}
.app-sidebar{width:240px;min-width:240px;min-height:100vh;background:var(--ink);color:#F1EFE8;display:flex;flex-direction:column;padding:28px 20px;}
.app-main{flex:1;min-height:100vh;overflow:hidden;display:flex;flex-direction:column;padding:36px 40px;}
.split-row{flex:1;display:flex;gap:24px;overflow:hidden;}
.split-aside-300{width:300px;display:flex;flex-direction:column;gap:20px;}
.split-aside-340{width:340px;display:flex;flex-direction:column;gap:14px;}
.calendario-scroll{flex:1;overflow:auto;}

/* onboarding (topo + conteúdo + rodapé fixos com padding lateral grande no desktop) */
.onb-shell{width:100%;min-height:100vh;display:flex;flex-direction:column;overflow:hidden;}
.onb-top{padding:24px 56px 0;}
.onb-content{flex:1;overflow:auto;display:flex;justify-content:center;padding:28px 56px 0;}
.onb-footer{padding:20px 56px 28px;border-top:1px solid var(--line);background:var(--surface);}
.step-row{position:relative;display:flex;justify-content:space-between;}

@media (max-width: 899px){
  .app-shell{flex-direction:column;overflow:visible;height:auto;}
  .app-sidebar{width:100%;min-width:0;min-height:0;}
  .app-main{min-height:0;overflow:visible;padding:24px 16px;}
  .split-row{flex-direction:column;overflow:visible;}
  .split-aside-300,.split-aside-340{width:100%;}

  .onb-shell{min-height:100vh;height:auto;overflow:visible;}
  .onb-top{padding-left:20px;padding-right:20px;}
  .onb-content{padding-left:20px;padding-right:20px;overflow:visible;}
  .onb-footer{padding-left:20px;padding-right:20px;}
  .step-row{overflow-x:auto;justify-content:flex-start;gap:22px;padding-bottom:6px;-webkit-overflow-scrolling:touch;}
  .step-row>div{flex-shrink:0;}
}
@media (max-width: 599px){
  .app-main{padding:18px 14px;}
  .onb-top,.onb-content,.onb-footer{padding-left:16px;padding-right:16px;}
}

/* grade de 2 colunas (catálogo, etc.) — vira 1 coluna em telas estreitas */
.cards-grid-2{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
@media (max-width: 640px){
  .cards-grid-2{grid-template-columns:1fr;}
}

/* grade de 3 colunas (resumo do financeiro) — vira 1 coluna em telas estreitas */
.cards-grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;}
@media (max-width: 640px){
  .cards-grid-3{grid-template-columns:1fr;}
}