/* Páginas Meu Progresso, Questões, Simulados e o catálogo (Aulas/Biblioteca). */
.view-page{padding-bottom:40px}
.view-page[hidden],.content-page[hidden]{display:none}
.view-heading{margin-bottom:24px}
.view-heading p{margin-top:7px;color:var(--muted);font-size:1rem;line-height:1.7;max-width:680px}
.view-page>.card,.view-page>.view-grid{margin-bottom:24px}
.view-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;align-items:start}
.view-grid>.card{min-width:0}
.visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* Números em destaque */
.kpi-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:18px 0}
.kpi{display:flex;flex-direction:column;gap:4px;padding:0 18px;border-left:1px solid var(--line);min-width:0}
.kpi:first-child{border-left:0;padding-left:0}
.kpi-label{font-size:13px;color:#5f6e66}
.kpi-value{font:750 28px/1.2 Manrope,sans-serif;letter-spacing:-.8px;color:var(--ink)}
.kpi-sub{font-size:12px;color:#6d7d72;line-height:1.5}

/* Formulários de registro */
.record-form{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px 18px;align-items:end}
.record-form label{display:flex;flex-direction:column;gap:7px;font-size:13px;font-weight:600;color:#40564b;min-width:0}
.record-form input:not([type=checkbox]),.record-form select,.record-form textarea{width:100%;min-width:0;height:44px;border:1px solid #dce5df;border-radius:9px;background:#fcfdfc;color:var(--ink);font:400 15px 'DM Sans',sans-serif;padding:8px 11px}
.record-form textarea{height:auto;min-height:64px;resize:vertical;line-height:1.5}
.record-form select:disabled{background:#f5f7f5;color:#738076}
.record-form input:focus-visible,.record-form select:focus-visible,.record-form textarea:focus-visible{outline:3px solid #6495e6;outline-offset:1px}
.record-form .span-2{grid-column:span 2}
.record-form .span-all{grid-column:1/-1}
.record-form .optional{font-size:12px;font-weight:400;color:#6d7d72}
.record-form .checkbox-label{flex-direction:row;align-items:center;gap:9px;font-weight:500}
.record-form .checkbox-label input{width:18px;height:18px;accent-color:#2a8a60}
.area-fields{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px 18px;border:0;margin:0;padding:0;min-width:0}
.area-fields legend{padding:0;margin-bottom:10px;font-size:13px;font-weight:600;color:#40564b}
.form-actions{grid-column:1/-1;display:flex;align-items:center;justify-content:flex-end;gap:16px;flex-wrap:wrap}
.form-actions .primary{margin-top:0;padding:12px 22px}
.form-error{margin-right:auto;color:#9e3d33;font-size:13px;line-height:1.5}
#exam-form{grid-template-columns:repeat(2,minmax(0,1fr))}
#exam-form .area-fields{grid-template-columns:repeat(2,minmax(0,1fr))}

/* Listas de registros */
.record-list{list-style:none;margin:0;padding:0}
.record-item{display:flex;align-items:center;gap:12px;padding:14px 0;border-bottom:1px solid #eef1ef}
.record-item:first-child{padding-top:2px}
.record-item:last-child{border-bottom:0}
.record-main{display:flex;flex-direction:column;gap:3px;flex:1;min-width:0}
.record-main strong{font-size:15px;font-weight:650}
.record-main span{font-size:14px;color:#4c5d54;overflow-wrap:anywhere}
.record-main small{font-size:12px;color:#6d7d72}
.record-main small.is-pending{color:#8e6834}
.record-rate{display:inline-block;margin-left:6px;font-size:12px;font-weight:600;color:#41663a;background:#eaf3e6;border-radius:5px;padding:2px 6px;vertical-align:1px}
.record-delete{flex-shrink:0;color:#7b8a81;width:36px;height:36px}
.record-delete:hover{color:#9e3d33;background:#f8eeeb}
.record-delete .icon{width:16px;height:16px}
.record-empty{color:#6b7b70;font-size:14px;line-height:1.7;padding:6px 0}
.record-more{margin:10px auto 0}
.record-actions{display:flex;flex-direction:column;align-items:flex-end;gap:2px;flex-shrink:0}
.record-actions .secondary{margin-top:0;width:auto;padding:9px 14px}
.record-actions .text-button{font-size:12px}

/* Tabelas */
.table-wrap{position:relative;overflow-x:auto;margin:0 -4px;padding:0 4px}
.data-table{width:100%;border-collapse:collapse;font-size:14px}
.data-table th,.data-table td{text-align:left;padding:11px 10px;border-bottom:1px solid var(--line);vertical-align:middle}
.data-table thead th{font-size:12px;font-weight:600;color:#5f6e66;white-space:nowrap}
.data-table tbody th{font-weight:600;color:#33443b;min-width:140px}
.data-table tbody th small{display:block;font-weight:400;color:#6d7d72;font-size:12px;margin-top:2px}
.data-table tbody tr:last-child>*{border-bottom:0}
.data-table .num{text-align:right;font-variant-numeric:tabular-nums;white-space:nowrap}
.table-meter{display:flex;align-items:center;gap:10px;min-width:150px}
.table-meter>span{font-size:13px;white-space:nowrap;min-width:60px;font-variant-numeric:tabular-nums}
.table-meter .bar{flex:1;--bar-color:#2a8a60}
.table-meter .bar-fill{background:#2a8a60}
.table-empty{color:#6b7b70;padding:18px 0}

/* Gráficos */
.chart-area .empty-state{padding:10px 0 6px}
.rchart-plot{position:relative}
.rchart svg{display:block;width:100%;height:auto;overflow:visible}
.rchart-grid line{stroke:#e8edef;stroke-width:1;shape-rendering:crispEdges}
.rchart-grid text,.rchart-axis text{fill:#69777f;font:12px 'DM Sans',sans-serif;font-variant-numeric:tabular-nums}
.rchart-value{fill:#202b32;font:600 12px 'DM Sans',sans-serif}
.rchart-bar{transition:opacity .12s}
.rchart-bar.is-active{opacity:.75}
.rchart-hit{fill:transparent;outline:none}
.rchart-hit:focus-visible{stroke:#6495e6;stroke-width:2}
.rchart-cross{stroke:#c7d1cc;stroke-width:1;opacity:0}
.rchart-cross.is-visible{opacity:1}
.rchart-tip{position:absolute;left:0;top:0;z-index:3;pointer-events:none;display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:8px;box-shadow:0 8px 24px #0c2c3418;padding:7px 10px;font-size:12px;line-height:1.45;color:#5f6e66;white-space:nowrap;transform:translate(-50%,calc(-100% - 8px));opacity:0;transition:opacity .12s}
.rchart-tip.is-visible{opacity:1}
.rchart-tip strong{font-size:15px;font-weight:650;color:var(--ink)}
.rchart-table{margin-top:8px}
.rchart-table summary{cursor:pointer;color:#38674f;font-weight:600;font-size:13px;display:inline-block;padding:4px 0}
.rchart-table table{margin-top:8px;border-collapse:collapse;width:100%;font-size:13px}
.rchart-table th,.rchart-table td{text-align:left;padding:7px 8px;border-bottom:1px solid var(--line);font-variant-numeric:tabular-nums}
.rchart-table th{font-weight:600;color:#40564b;font-size:12px}
.recent-area .empty-state{padding-top:6px}

/* Catálogo de aulas, materiais e tarefas */
.content-page{padding-bottom:40px}
.content-page .content-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:20px}
.content-page .content-new{margin-top:0;flex-shrink:0;padding:12px 18px}
.content-page .lessons-filters{grid-template-columns:repeat(auto-fit,minmax(170px,1fr))}
.content-page .lessons-search-field{grid-column:1/-1}
.content-page .lesson-description{font-size:14px;line-height:1.65;color:#4c5d54;white-space:pre-line;overflow-wrap:anywhere}
.content-page .lesson-open{margin-top:4px;text-decoration:none}
.content-page .lesson-open .icon{width:16px;height:16px}
.content-page .lesson-done{display:flex;align-items:center;justify-content:center;gap:8px;width:100%;padding:10px;border-radius:8px;font-size:13px;font-weight:600;color:#2f5f3f;background:#eef6ea;border:1px solid #d9e9d2}
.content-page .lesson-done:hover{background:#e3f0dc}
.content-page .lesson-done .icon{width:16px;height:16px}
.content-page .lesson-done.is-done{background:#fff;color:#5f6e66;border-color:var(--line)}
.content-page .lesson-done.is-done .icon{color:#2a8a60}
.content-page .lesson-admin{display:flex;gap:18px;border-top:1px solid var(--line);padding-top:8px}
.content-page .content-empty-action{width:auto;padding:11px 18px}
.content-page .lessons-catalog-heading .count-tag:empty{display:none}
.content-form .form-error{margin:0}
.content-form-actions{display:flex;align-items:center;justify-content:space-between;gap:12px}
.content-form-actions .primary{margin:0 0 0 auto}
.content-form .form-hint{margin-top:-8px}

/* Alunos (administração) */
.students-head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px}
.students-head .text-button{flex-shrink:0}
.students-filters{grid-template-columns:repeat(3,minmax(0,1fr));margin:18px 0 8px}
.student-item .record-main strong{display:flex;align-items:center;flex-wrap:wrap;gap:8px;overflow-wrap:anywhere}
.student-item .record-actions{flex-direction:row;align-items:center;gap:14px}
.status-tag{display:inline-block;font-size:12px;font-weight:600;border-radius:5px;padding:2px 7px;white-space:nowrap}
.status-tag--pending{color:#7a5a1e;background:#fbf1dc}
.status-tag--active{color:#41663a;background:#eaf3e6}
.status-tag--blocked{color:#8c3b32;background:#f8eeeb}
.status-tag--admin{color:#3f5680;background:#e9eef8}
.nav-badge{margin-left:auto;min-width:20px;height:20px;padding:0 6px;border-radius:10px;background:#e8a43a;color:#fff;font-size:12px;font-weight:700;line-height:20px;text-align:center}
.nav-badge[hidden]{display:none}

/* Professor IA */
.professor-soon{display:flex;flex-direction:column;align-items:center;text-align:center;gap:8px;padding:40px 24px}
.professor-soon-icon{display:grid;place-items:center;width:52px;height:52px;border-radius:14px;background:#eef6e4;color:#2f5f3f}
.professor-soon-icon .icon{width:26px;height:26px}
.professor-soon p{max-width:460px;color:var(--muted);line-height:1.7}
.professor-admin-note{margin:0 0 16px;padding:10px 12px;border-radius:8px;background:#fbf1dc;color:#6b4f1c;font-size:13px;line-height:1.5}
.professor-messages{list-style:none;margin:0 0 16px;padding:0;display:flex;flex-direction:column;gap:14px}
.professor-messages[hidden]{display:none}
.professor-msg{max-width:88%;font-size:15px;line-height:1.65;overflow-wrap:anywhere}
.professor-msg--user{align-self:flex-end;background:#1d5b49;color:#fff;border-radius:14px 14px 4px 14px;padding:10px 14px;white-space:pre-wrap}
.professor-msg--ai{align-self:flex-start;display:flex;gap:10px;align-items:flex-start}
.professor-msg--ai>div{background:#f6f8f7;border:1px solid var(--line);border-radius:14px 14px 14px 4px;padding:10px 14px;min-width:0}
.professor-msg--ai p{margin:0 0 8px}
.professor-msg--ai p:last-of-type{margin-bottom:0}
.professor-msg--ai ul{margin:0 0 8px;padding-left:20px}
.professor-avatar{flex-shrink:0;display:grid;place-items:center;width:32px;height:32px;border-radius:10px;background:#ccf184;color:#234131}
.professor-avatar .icon{width:17px;height:17px}
.professor-typing p{color:var(--muted);font-style:italic}
.professor-meta{display:block;margin-top:8px;font-size:12px;color:#7a877f}
.professor-suggestions{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:16px}
.professor-suggestions[hidden]{display:none}
.professor-chip{border:1px solid #d9e9d2;background:#eef6ea;color:#2f5f3f;border-radius:999px;padding:7px 13px;font-size:13px;font-weight:600}
.professor-chip:hover{background:#e3f0dc}
.professor-form textarea{width:100%;min-height:64px;resize:vertical;border:1px solid #dce5df;border-radius:10px;background:#fcfdfc;color:var(--ink);font:400 15px/1.5 'DM Sans',sans-serif;padding:10px 12px}
.professor-form textarea:focus-visible{outline:3px solid #6495e6;outline-offset:1px}
.professor-form-actions{display:flex;align-items:center;gap:14px;margin-top:10px}
.professor-form-actions .primary{margin:0 0 0 auto;padding:11px 20px}
.professor-form-actions .primary:disabled{opacity:.6;cursor:progress}
.professor-counter{font-size:12px;color:#8e6834}
.professor-form .form-error{margin-top:8px}
.professor-form .form-error:empty{display:none}

@media(max-width:1100px){
  .record-form{grid-template-columns:repeat(2,minmax(0,1fr))}
  .area-fields{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media(max-width:960px){
  .view-grid{grid-template-columns:minmax(0,1fr);gap:18px}
  .view-page>.card,.view-page>.view-grid{margin-bottom:18px}
}
@media(max-width:720px){
  .kpi-row{grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
  .kpi{border-left:0;padding:0}
  .kpi-value{font-size:24px}
  .record-form,#exam-form{grid-template-columns:minmax(0,1fr)}
  .record-form .span-2{grid-column:auto}
  .form-actions{justify-content:stretch}
  .form-actions .primary{width:100%;justify-content:center}
  .record-item.exam-item{flex-direction:column;align-items:stretch}
  .record-actions{align-items:stretch}
  .content-page .content-heading{flex-direction:column;align-items:stretch}
  .students-filters{grid-template-columns:minmax(0,1fr)}
  .students-head{flex-direction:column}
  .student-item{flex-direction:column;align-items:stretch}
  .student-item .record-actions{justify-content:flex-start}
}