/* ---- SAFE GLOBAL POLISH ---- */
/* Mantém .form-grid para páginas modernas */
.form-card{background:#fff;border:1px solid var(--stroke,#ececec);border-radius:14px;padding:16px;box-shadow:0 1px 2px rgba(0,0,0,.04);margin-bottom:16px}
.form-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:12px}
.field{display:flex;flex-direction:column;gap:6px}
.field label{font-size:12px;color:#444}
.field input,.field select,.field textarea{width:100%;padding:10px;border:1px solid #ccc;border-radius:10px;background:#fff}
.col-12{grid-column:span 12}.col-9{grid-column:span 9}.col-8{grid-column:span 8}.col-6{grid-column:span 6}.col-4{grid-column:span 4}.col-3{grid-column:span 3}
@media (max-width: 860px){ .col-6,.col-8,.col-9,.col-4,.col-3{grid-column:span 12} }
.inline-checks{display:flex;gap:18px;align-items:center}
fieldset.bank{border:1px dashed #ddd;border-radius:12px;padding:12px}
fieldset.bank legend{padding:0 6px;color:#555;font-weight:600}

/* ---- POLIMENTO GLOBAL, SEM GRADE ---- */
/* mais respiração e consistência para qualquer form dentro de .card */
.card form{gap:10px}
.card form label{display:block;font-size:12px;color:#444;margin-bottom:4px}
.card form input,.card form select,.card form textarea{
  width:100%; padding:10px; border:1px solid #ccc; border-radius:10px; background:#fff;
}
.card form input[type=checkbox], .card form input[type=radio]{width:auto; padding:0; border:0; border-radius:0}

/* espaçamento vertical entre grupos, sem afetar botões e tabelas */
.card form > *{margin-bottom:8px}
.card form fieldset{border:1px dashed #ddd;border-radius:12px;padding:12px;margin:6px 0 2px}
.card form fieldset legend{padding:0 6px;color:#555;font-weight:600}
/* -- Curso ativo no header -- */
.topbar { display:flex; align-items:center; justify-content:space-between; }
.topbar nav { display:flex; gap:14px; align-items:center; }

.curso-switch { display:flex; gap:8px; align-items:center; margin-left:auto; }
.curso-switch select { padding:4px 6px; font-size:13px; }
.curso-badge { background:#222; color:#fff; padding:2px 8px; border-radius:12px; font-size:12px; }
/* ficha alumno bonita */
.section h3{ margin:0 0 10px; font-size:16px; }
.dl{ display:grid; grid-template-columns: 160px 1fr; gap:6px 14px; }
.dl > div{ display:contents; }
.dl dt{ color:#555; font-weight:600; }
.dl dd{ margin:0; }
.dl-3{ grid-template-columns: 160px 1fr 160px 1fr 160px 1fr; } /* 3 pares dt/dd */
.muted{ color:#999; }
.notes-box{ background:#fff; border:1px solid #e5e5e5; border-radius:12px; padding:10px; min-height:48px; }
.btn{ display:inline-block; background:#f3f3f3; border:1px solid #ddd; padding:8px 12px; border-radius:10px; text-decoration:none; font-weight:600; }
.btn:hover{ background:#ececec; }
.section h3{ margin:0 0 10px; font-size:16px; }
.dl{ display:grid; grid-template-columns: 160px 1fr; gap:6px 14px; }
.dl > div{ display:contents; }
.dl dt{ color:#555; font-weight:600; }
.dl dd{ margin:0; }
.dl-3{ grid-template-columns: 160px 1fr 160px 1fr 160px 1fr; }
.muted{ color:#999; }
.notes-box{ background:#fff; border:1px solid #e5e5e5; border-radius:12px; padding:10px; min-height:48px; }
.btn{ display:inline-block; background:#f3f3f3; border:1px solid #ddd; padding:8px 12px; border-radius:10px; text-decoration:none; font-weight:600; }
.btn:hover{ background:#ececec; }
/* Centralizar o menu do topo */
.topbar nav {
  display: flex;
  justify-content: center;  /* centra horizontalmente */
  gap: 1.5rem;              /* espaço entre links */
}

.topbar .brand {
  margin-right: auto;       /* mantém o logo encostado à esquerda */
}
/* Botão hamburguer - escondido em desktop */
.menu-toggle {
  display: none;
  font-size: 1.5rem;
  background: none;
  border: none;
  cursor: pointer;
  color: white;   /* muda conforme o teu header */
}

/* Responsivo: mostrar hamburguer e esconder menu */
@media (max-width: 768px) {
  .menu-toggle {
    display: block;
  }

  .topbar nav {
    display: none;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    margin-top: 0.5rem;
  }

  body.menu-open .topbar nav {
    display: flex;
  }
}
/* Desktop: menu centrado, logo à esquerda, seletor do ano à direita */
.topbar { display:flex; align-items:center; gap:12px; }
.topbar .brand { margin-right:auto; }
.topbar nav { display:flex; justify-content:center; gap:1.5rem; flex:1; }
.curso-switch { margin-left:auto; display:flex; align-items:center; gap:8px; }
.curso-switch .curso-badge { padding:4px 8px; border-radius:12px; background:#222; color:#fff; font-size:.85rem; }

/* Botão hamburguer (já tens) */
.menu-toggle { display:none; font-size:1.6rem; background:none; border:none; color:#fff; cursor:pointer; }

/* --- Mobile / tablet --- */
@media (max-width: 768px) {
  /* mostra hambúrguer e esconde menu até abrir */
  .menu-toggle { display:block; margin-left:8px; }
  .topbar nav {
    display:none;
    position:absolute; left:0; right:0; top:56px;
    background:#0f0f0f; padding:12px 18px; border-top:1px solid #2a2a2a;
    flex-direction:column; align-items:flex-start; gap:10px;
  }
  body.menu-open .topbar nav { display:flex; }

  /* links bonitos no dropdown */
  .topbar nav a { width:100%; padding:8px 0; }

  /* coloca o seletor do ano no topo à direita, ao lado do botão */
  .curso-switch {
    position:absolute;
    right:80px;   /* dá mais espaço para não colidir com o hambúrguer */
    top:10px;
    margin:0;
    gap:6px;
  }

  /* esconde o “chip” com o ano ativo — só mostra o select */
  .curso-switch .curso-badge { display:none; }
  .curso-switch select { padding:4px 6px; font-size:.9rem; }

  /* o logo mantém-se à esquerda */
  .topbar .brand { margin-right:0; }
}
/* ===== BOTÕES personalizados ===== */
.btn {
  display:inline-block;
  padding:.5rem .75rem;
  border-radius:8px;
  background:#e33;    /* vermelho padrão */
  color:#fff;
  border:0;
  cursor:pointer;
  text-decoration:none;
}
.btn:hover {
  filter:brightness(0.95);
}
.btn-danger {
  background:#c0392b; /* vermelho mais escuro para eliminar */
}
.table .actions .btn {
  margin-right:.4rem;
}
/* Selects mais “largos” nos formulários */
.form-card .field select {
  width: 100%;
  padding: 6px 8px;
}
/* --- Botões (look neutro e raio menor) --- */
.btn{
  display:inline-block;
  appearance:none;
  background:#e9ecef;          /* cinza claro */
  color:#222;
  border:1px solid #d0d7de;
  padding:8px 14px;
  border-radius:8px;            /* menos “boleado” */
  font-weight:600;
  line-height:1.1;
  text-decoration:none;
  cursor:pointer;
}
.btn:hover{ background:#e2e6ea; }
.btn:focus{ outline:2px solid #9ca3af; outline-offset:2px; }

/* variantes */
.btn.primary{
  background:#3f3f46;           /* cinza escuro */
  border-color:#3f3f46;
  color:#fff;
}
.btn.primary:hover{ filter:brightness(1.05); }

.btn.secondary{
  background:#f6f7f8;           /* quase branco */
  border-color:#e5e7eb;
  color:#333;
}
.btn.secondary:hover{ background:#efeff1; }

.btn.danger{
  background:#e11d48;           /* só para ações perigosas (eliminar) */
  border-color:#e11d48;
  color:#fff;
}
.btn.danger:hover{ filter:brightness(0.95); }
/* ===== Normalização consistente dos botões ===== */
button.btn,
a.btn {
  display: inline-flex;         /* altura igual em <a> e <button> */
  align-items: center;
  justify-content: center;
  height: 38px;                 /* altura fixa */
  padding: 0 14px;              /* só horizontal */
  border-radius: 8px;
  border: 1px solid #d0d7de;
  font-weight: 600;
  font-size: 14px;
  line-height: 1;               /* evita “pills” diferentes */
  cursor: pointer;
  text-decoration: none;
  background: #e9ecef;          /* base neutra */
  color: #222;
}

button.btn:hover,
a.btn:hover { background: #e2e6ea; }

/* Variantes */
button.btn.primary,
a.btn.primary {
  background: #3f3f46;
  border-color: #3f3f46;
  color: #fff;
}

button.btn.secondary,
a.btn.secondary {
  background: #f6f7f8;
  border-color: #e5e7eb;
  color: #333;
}

button.btn.danger,
a.btn.danger {
  background: #e11d48;
  border-color: #e11d48;
  color: #fff;
}
/* Helpers de largura no grid */
.form-card .form-grid .wide-2 { grid-column: span 2 !important; }
.form-card .form-grid .wide-3 { grid-column: span 3 !important; }
.form-card .form-grid .col-2 { grid-column: span 2 !important; }
/* ====== GRID DE FORMULÁRIOS ====== */
/* desktop já funciona como está; em tablets ajustamos para 2 colunas, em mobile 1 coluna */
@media (max-width: 992px){
  .form-card .form-grid { grid-template-columns: repeat(2, minmax(0,1fr)) !important; }
  .form-card .form-grid .field { grid-column: span 1 !important; }
}
@media (max-width: 640px){
  .form-card .form-grid { grid-template-columns: 1fr !important; }
  .form-card .form-grid .field { grid-column: 1 / -1 !important; }
  .form-card .field input,
  .form-card .field select,
  .form-card .field textarea { width: 100%; }
}

/* ====== TABELAS RESPONSIVAS ====== */
/* Em mobile a tabela passa a "rolável" horizontal e com células mais compactas */
@media (max-width: 768px){
  .table { display: block; width: 100%; overflow-x: auto; -webkit-overflow-scrolling: touch; }
  .table table { width: 100%; } /* caso tenha tabela aninhada */
  .table th, .table td { padding: 8px 10px; }
  .table td.actions { white-space: normal !important; } /* permite quebrar ações */
  .table .badge { font-size: 11px; }
}

/* Coluna de ações alinhada e com botões empilháveis quando faltar espaço */
.table td.actions a,
.table td.actions button { display: inline-block; margin: 2px 0; }
@media (max-width: 480px){
  .table td.actions a,
  .table td.actions button { display: block; }
}

/* ====== UTILITÁRIOS ====== */
@media (max-width: 640px){
  .hide-sm { display:none !important; }   /* para esconder colunas menos críticas */
  .show-sm { display:block !important; }
}

/* Pequenos ajustes visuais em mobile */
@media (max-width: 640px){
  .card { padding: 12px; }
  .form-card h2, .card h2 { font-size: 1.25rem; }
  .btn { height: 36px; padding: 0 12px; }
}
@media (max-width: 480px){
  .table td.actions a.icon { padding: 6px 10px; }
  .table td.actions a.icon[href*="export_recibo"]::after { content:""; } /* nada — já está curto */
}
/* ====== GRID DE FORMULÁRIOS ====== */
@media (max-width: 992px){
  .form-card .form-grid { grid-template-columns: repeat(2, minmax(0,1fr)) !important; }
  .form-card .form-grid .field { grid-column: span 1 !important; }
}
@media (max-width: 640px){
  .form-card .form-grid { grid-template-columns: 1fr !important; }
  .form-card .form-grid .field { grid-column: 1 / -1 !important; }
  .form-card .field input,
  .form-card .field select,
  .form-card .field textarea { width: 100%; }
}

/* ====== TABELAS (scroll + compactar) ====== */
@media (max-width: 768px){
  .table { display:block; width:100%; overflow-x:auto; -webkit-overflow-scrolling:touch; }
  .table th, .table td { padding:8px 10px; }
  .table td.actions { white-space: normal !important; } /* deixa partir linha nas ações */
  .table .badge { font-size:11px; }
}

/* Botões nas ações: empilhar quando o ecrã é muito estreito */
.table td.actions a,
.table td.actions button { display:inline-block; margin:2px 0; }
@media (max-width: 480px){
  .table td.actions a,
  .table td.actions button { display:block; }
}

/* Utilitários */
@media (max-width: 640px){
  .hide-sm { display:none !important; }
  .show-sm { display:block !important; }
}

/* ====== QUE COLUNAS ESCONDER EM MOBILE (por tabela) ====== */
/* ALUMNOS: esconder "Fecha nac." (2ª) e "Teléfono 2" (5ª) */
@media (max-width: 640px){
  .table.alumnos th:nth-child(2), .table.alumnos td:nth-child(2),
  .table.alumnos th:nth-child(5), .table.alumnos td:nth-child(5) { display:none; }
}

/* CLASES: esconder "Sala" (3ª) e "Profesor/a" (6ª) */
@media (max-width: 640px){
  .table.clases th:nth-child(3), .table.clases td:nth-child(3),
  .table.clases th:nth-child(6), .table.clases td:nth-child(6) { display:none; }
}

/* INSCRIPCIONES: esconder "Curso" (3ª) */
@media (max-width: 640px){
  .table.inscripciones th:nth-child(3), .table.inscripciones td:nth-child(3) { display:none; }
}

/* ====== VER ALUMNO (cartões + listas) ====== */
@media (max-width: 768px){
  /* barra de botões no topo da ficha: quebrar bem */
  .form-card > div[style*="justify-content:space-between"] { gap:8px; flex-wrap:wrap; }
  .form-card > div[style*="justify-content:space-between"] > div { display:flex; gap:8px; flex-wrap:wrap; }
}
@media (max-width: 640px){
  /* grid das secções vira 1 coluna */
  .form-card .card.section { margin-top:8px; }
  /* listas definidas mais legíveis: label em cima, valor em baixo */
  .dl > div { display:block; }
  .dl dt { font-weight:600; margin-bottom:2px; }
  .dl dd { margin:0 0 10px 0; word-break:break-word; }
  /* notas ocupam toda a largura e têm altura mínima */
  .notes-box { min-height: 56px; }
}

/* Helpers de colunas que criámos antes */
.form-card .form-grid .col-2 { grid-column: span 2 !important; }
/* ===== Tipografia & inputs (evita zoom no iPhone) ===== */
.form-card input,
.form-card select,
.form-card textarea { font-size:16px; }

@media (max-width:640px){
  h1, .card h1 { font-size:1.35rem; }
  h2, .card h2 { font-size:1.25rem; }
  h3, .card h3 { font-size:1.05rem; }
}

/* ===== Formulários responsivos (2 col -> 1 col) ===== */
@media (max-width:992px){
  .form-card .form-grid { grid-template-columns: repeat(2,minmax(0,1fr)) !important; }
  .form-card .form-grid .field { grid-column: span 1 !important; }
}
@media (max-width:640px){
  .form-card .form-grid { grid-template-columns: 1fr !important; }
  .form-card .form-grid .field { grid-column: 1 / -1 !important; }
}

/* ===== Barra de filtros/botões quebra bem ===== */
.filter-row{ display:flex; gap:10px; flex-wrap:wrap; align-items:flex-end; }
@media (max-width:640px){ .filter-row>*{ flex:1 1 160px; } }

/* ===== Tabelas: scroll suave + ações compactas ===== */
@media (max-width:768px){
  .table{ display:block; width:100%; overflow-x:auto; -webkit-overflow-scrolling:touch; position:relative; }
  .table th, .table td{ padding:8px 10px; }
  .table td.actions{ white-space:normal !important; }
  .table .badge{ font-size:11px; }
}
/* sombra de “scroll” à direita (só mobile) */
@media (max-width:768px){
  .table::after{ content:""; position:absolute; top:0; right:0; width:24px; height:100%;
    background:linear-gradient(to left, rgba(0,0,0,.08), transparent); pointer-events:none; }
}
/* ações menores nas tabelas */
@media (max-width:640px){
  .table td.actions a,
  .table td.actions button{ font-size:13px; padding:6px 10px; height:auto; border-radius:8px; display:inline-block; margin:2px 0; }
}
@media (max-width:480px){
  .table td.actions a,
  .table td.actions button{ display:block; width:100%; text-align:center; }
}

/* ===== Esconder colunas pouco críticas (mobile) ===== */
@media (max-width:640px){
  /* ALUMNOS: 2ª (Fecha nac.), 5ª (Tel. 2) */
  .table.alumnos th:nth-child(2), .table.alumnos td:nth-child(2),
  .table.alumnos th:nth-child(5), .table.alumnos td:nth-child(5){ display:none; }

  /* CLASES: 3ª (Sala), 6ª (Profesor/a) */
  .table.clases th:nth-child(3), .table.clases td:nth-child(3),
  .table.clases th:nth-child(6), .table.clases td:nth-child(6){ display:none; }

  /* INSCRIPCIONES: 3ª (Curso) */
  .table.inscripciones th:nth-child(3), .table.inscripciones td:nth-child(3){ display:none; }
}

/* ===== Ver Alumno: cartões & botões ===== */
@media (max-width:768px){
  .form-card > div[style*="justify-content:space-between"]{ gap:8px; flex-wrap:wrap; }
  .form-card > div[style*="justify-content:space-between"] > div{ display:flex; gap:8px; flex-wrap:wrap; }
}
@media (max-width:640px){
  .dl > div{ display:block; }
  .dl dt{ font-weight:600; margin-bottom:2px; }
  .dl dd{ margin:0 0 10px 0; word-break:break-word; }
}

/* ===== “Chips” dos dias (clases) mais usáveis no mobile ===== */
.days-inline{ display:flex; flex-wrap:wrap; gap:8px; }
.days-inline label{ display:inline-flex; align-items:center; gap:6px;
  padding:6px 10px; border:1px solid #e5e7eb; border-radius:8px; }
/* ===== Tabela -> Cards em mobile ===== */
@media (max-width: 640px){
  .table.stack-mobile { display:block; width:100%; border:0; }
  .table.stack-mobile thead { display:none; }
  .table.stack-mobile tbody { display:block; }
  .table.stack-mobile tr {
    display:block;
    border:1px solid #eaecef;
    border-radius:12px;
    padding:8px 0;
    margin:10px 0;
    background:#fff;
  }
  .table.stack-mobile td {
    display:flex;
    justify-content:space-between;
    gap:12px;
    padding:10px 14px;
    border-bottom:1px solid #f2f2f3;
  }
  .table.stack-mobile td:last-child { border-bottom:0; }
  .table.stack-mobile td::before {
    content: attr(data-label);
    font-weight:600;
    color:#444;
    margin-right:12px;
  }
  /* ações ocupam a largura toda e empilham */
  .table.stack-mobile td.actions { display:block; }
  .table.stack-mobile td.actions a,
  .table.stack-mobile td.actions button {
    display:block; width:100%; text-align:center;
    margin:4px 0; padding:8px 10px; border-radius:10px;
  }
}

/* espaço para a barra do iPhone (safe area) no fim de cards/tabelas */
@supports (padding: max(0px)) {
  @media (max-width:640px){
    .card { padding-bottom: max(12px, env(safe-area-inset-bottom)); }
  }
}
/* ===== Inscripciones: criação compacta ===== */
.page-inscripciones .create-row{
  display:flex; gap:10px; align-items:flex-end; flex-wrap:wrap;
  margin-bottom: 10px;
}
.page-inscripciones .create-row .field{
  flex:1 1 240px; min-width: 200px;
}
.page-inscripciones .create-row .actions{
  flex:0 0 auto;
}
.page-inscripciones .create-row .btn.sm{
  height: 38px; padding: 0 12px; border-radius: 8px; font-weight: 600;
}

/* mobile: empilha e botão 100% */
@media (max-width:640px){
  .page-inscripciones .create-row{ flex-direction: column; align-items: stretch; }
  .page-inscripciones .create-row .actions .btn{ width:100%; }
  .page-inscripciones .create-row .field label{ margin-bottom: 4px; font-size: 13px; }
}
/* === Clase Editar: ajustes visuais isolados === */
#page-clase_editar .form-grid { 
  row-gap: 14px; 
  column-gap: 16px; 
}

#page-clase_editar .field label {
  display: block;
  font-size: .875rem;
  color: #6b7280;            /* cinza suave */
  margin-bottom: .35rem;
}

/* Inputs com altura e ritmo consistentes */
#page-clase_editar input[type="text"],
#page-clase_editar input[type="number"],
#page-clase_editar input[type="time"],
#page-clase_editar select {
  height: calc(2.5rem);      /* igual para todos */
  line-height: 1.25rem;
}

/* Horas: largura mínima para não “saltar” e alinhamento melhor */
#page-clase_editar input[type="time"] {
  min-width: 10ch;           /* 00:00 */
  padding-inline: .5rem;
}

/* DÍAS: visual “pill” e melhor legibilidade */
#page-clase_editar .days-inline {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

#page-clase_editar .days-inline label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: .4rem .6rem;
  border: 1px solid #e5e7eb;
  border-radius: 10px;
  background: #fff;
  cursor: pointer;
  user-select: none;
}

/* mantém o checkbox visível e acessível, mas com cor do tema */
#page-clase_editar .days-inline input[type="checkbox"] {
  accent-color: #dc3545;   /* mesmo tom dos botões “danger” */
}

/* Botões com pequeno espaçamento quando lado a lado */
#page-clase_editar .form-card + p button,
#page-clase_editar .form-card + p .btn,
#page-clase_editar button + a.icon {
  margin-left: 6px;
}
/* ====== Clase Editar — layout desktop só nesta página ====== */
@media (min-width: 992px) {
  /* 1) inputs um pouco mais baixos em desktop */
  #page-clase_editar input[type="text"],
  #page-clase_editar input[type="number"],
  #page-clase_editar input[type="time"],
  #page-clase_editar select {
    height: 2.25rem;     /* menos “exagerado” */
    line-height: 1.25rem;
  }

  /* 2) tornamos a grelha mais “densa” para permitir encaixe fino */
  #page-clase_editar .form-grid {
    grid-auto-flow: row dense;
  }

  /* 3) Regras de span só para estes campos (sem mexer no resto) */
  /* Sala e Dias ocupam meia-linha cada (50% + 50%) */
  #page-clase_editar .field:has(input[name="sala"]) {
    grid-column: span 6;
  }
  #page-clase_editar .field:has(.days-inline) {
    grid-column: span 6;
  }

  /* Horas ocupam um quarto cada (25% + 25%) — ficam lado a lado */
  #page-clase_editar .field:has(input[name="hora_inicio"]),
  #page-clase_editar .field:has(input[name="hora_fin"]) {
    grid-column: span 3;
  }

  /* Centro o conteúdo dos <input type="time"> para parecerem iguais */
  #page-clase_editar input[type="time"] {
    text-align: center;
    min-width: 8ch; /* 00:00 */
  }
}

/* ===== Clase Editar — mapa de colunas em DESKTOP ===== */
@media (min-width: 992px) {
  /* grelha de 12 colunas só nesta página */
  #page-clase_editar .form-grid {
    display: grid;
    grid-template-columns: repeat(12, minmax(0, 1fr));
    column-gap: 16px;
    row-gap: 14px;
    grid-auto-flow: row dense;
  }
  /* base: tudo ocupa a linha inteira, depois vamos afinando */
  #page-clase_editar .field { grid-column: span 12; }

  /* linha 1 */
  #page-clase_editar .field:has(select[name="actividad_id"]) { grid-column: span 6; }
  #page-clase_editar .field:has(input[name="nombre"])        { grid-column: span 6; }

  /* linha 2 */
  #page-clase_editar .field:has(input[name="estilo"]) { grid-column: span 8; }
  #page-clase_editar .field:has(input[name="nivel"])  { grid-column: span 2; }
  #page-clase_editar .field:has(input[name="sala"])   { grid-column: span 2; }

  /* linha 3 (dias) */
  #page-clase_editar .field:has(.days-inline) { grid-column: span 12; }

  /* linha 4 (horas + mensalidade) */
  #page-clase_editar .field:has(input[name="hora_inicio"]) { grid-column: span 3; }
  #page-clase_editar .field:has(input[name="hora_fin"])    { grid-column: span 3; }
  #page-clase_editar .field:has(input[name="mensualidad"]) { grid-column: span 6; }

  /* linha 5 (prof + ano) */
  #page-clase_editar .field:has(input[name="profesor"])     { grid-column: span 8; }
  #page-clase_editar .field:has(select[name="ano_lectivo"]) { grid-column: span 4; }

  /* estética das horas */
  #page-clase_editar input[type="time"] {
    text-align: center;
    min-width: 8ch; /* 00:00 */
    height: 2.25rem;
  }
}
/* ===== Mobile menu (off-canvas) ===== */
@media (max-width: 768px) {
  /* bloqueia scroll do conteúdo quando o menu abre */
  body.menu-open { overflow: hidden; }

  /* painel do menu (o <nav> dentro do header) */
  .topbar nav {
    position: fixed;
    top: 0; left: 0;
    width: 80vw; max-width: 340px;
    height: 100vh;
    background: #111;               /* o vosso fundo do menu */
    color: #fff;
    overflow-y: auto;
    z-index: 9999;                  /* acima do resto */
    padding: 72px 16px 16px;        /* espaço para a barra */
    box-shadow: 4px 0 16px rgba(0,0,0,.35);
    transform: translateX(-100%);   /* escondido por defeito */
    transition: transform .25s ease;
  }
  body.menu-open .topbar nav { transform: translateX(0); }

  /* backdrop por trás do menu */
  .menu-backdrop { display: none; }
  body.menu-open .menu-backdrop {
    display: block;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,.45);
    backdrop-filter: blur(1px);
    z-index: 9990;                  /* imediatamente abaixo do nav */
  }

  /* garantir que o conteúdo fica por baixo do backdrop */
  main.container { position: relative; z-index: 1; }
}
/* ===== MOBILE (<=768px) — off-canvas com brand ===== */
@media (max-width: 768px) {
  body.menu-open { overflow: hidden; }

  .topbar nav {
    display: block !important;
    position: fixed;
    top: 0; left: 0;
    width: 80vw; max-width: 340px;
    height: 100vh;
    overflow-y: auto;
    background: linear-gradient(180deg,#111 0%, #141414 100%);
    color: #fff;
    padding: 0 16px 16px;          /* padding lateral; topo é da .nav-brand */
    box-shadow: 4px 0 16px rgba(0,0,0,.35);
    transform: translateX(-100%);
    transition: transform .25s ease;
    z-index: 10010;
  }
  body.menu-open .topbar nav { transform: translateX(0); }

  .menu-backdrop { display: none; }
  body.menu-open .menu-backdrop {
    display: block;
    position: fixed; inset: 0;
    background: rgba(0,0,0,.45);
    backdrop-filter: blur(1px);
    z-index: 10000;
  }

  /* header dentro do painel */
  .topbar nav .nav-brand {
    position: sticky; top: 0;
    display: flex; align-items: center; justify-content: space-between;
    padding: 14px 0;
    background: #111;
    border-bottom: 1px solid rgba(255,255,255,.08);
    margin-bottom: 8px;
    z-index: 1;
  }
  .topbar nav .nav-brand img { height: 28px; width: auto; display: block; }
  .topbar nav .menu-close {
    appearance: none; border: 0; border-radius: 10px;
    background: transparent; color: #fff;
    font-size: 28px; line-height: 1; width: 36px; height: 36px;
  }

  /* links do menu */
  .topbar nav a {
    display: block; padding: 12px 8px; color: #f3f4f6; text-decoration: none; border-radius: 8px;
  }
  .topbar nav a:hover { background: rgba(255,255,255,.06); }

  /* conteúdo por baixo do backdrop */
  main.container { position: relative; z-index: 1; }
}

/* ===== DESKTOP (>=769px) — garante que nada do off-canvas aparece ===== */
@media (min-width: 769px) {
  .topbar nav {
    position: static !important;
    transform: none !important;
    height: auto !important; width: auto !important;
    background: transparent !important;
    box-shadow: none !important;
    padding: 0 !important;
    z-index: auto !important;
  }
  .topbar nav .nav-brand,
  .topbar nav .menu-close,
  .menu-backdrop { display: none !important; }
  body.menu-open { overflow: auto; }
}
/* ===== Menu Desktop — link ativo ===== */
@media (min-width: 769px) {
  .topbar nav a.active {
    background: rgba(220,53,69,.1);  /* leve fundo */
    color: #dc3545;                  /* vermelho do tema */
    font-weight: 600;
    border-radius: 6px;
  }
}