.learning-page { display: grid; gap: 22px; }
.page-title { margin: 0; font-size: clamp(2rem, 4vw, 3rem); }
.page-subtitle { margin: -12px 0 0; color: var(--text-muted); }
.learning-panel { padding: 22px; border: 1px solid var(--border); border-radius: 18px; background: var(--panel); box-shadow: var(--shadow); }
.learning-panel h2 { margin: 0 0 16px; font-size: 1.08rem; }
.loading-state { padding: 40px; color: var(--text-muted); text-align: center; }
.metrics-grid { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 12px; }
.metric-card { min-height: 112px; padding: 17px; border: 1px solid var(--border); border-radius: 14px; background: var(--panel-2); }
.metric-value { color: var(--accent); font-size: 1.65rem; font-weight: 850; letter-spacing: -.04em; }
.metric-label { margin-top: 7px; color: var(--text-muted); font-size: .82rem; line-height: 1.35; }
.filter-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 13px; }
.filter-grid label { display: grid; gap: 6px; font-size: .8rem; font-weight: 750; }
.filter-grid input, .filter-grid select { width: 100%; min-width: 0; padding: 0 10px; }
.chart-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
.chart-card { min-width: 0; padding: 20px; border: 1px solid var(--border); border-radius: 18px; background: var(--panel); box-shadow: var(--shadow); }
.chart-card h2 { margin: 0 0 14px; font-size: 1rem; }
.chart-list { display: grid; gap: 10px; }
.chart-row { display: grid; grid-template-columns: minmax(120px, 1fr) minmax(150px, 2fr) 70px; align-items: center; gap: 10px; }
.chart-row.chart-action { width: 100%; padding: 3px 0 !important; border: 0 !important; border-radius: 7px !important; background: transparent !important; box-shadow: none !important; text-align: left; cursor: pointer; }
.chart-row.chart-action:hover { background: color-mix(in srgb,var(--accent) 7%,transparent) !important; }
.chart-label { overflow: hidden; color: var(--text-main); font-size: .8rem; text-overflow: ellipsis; white-space: nowrap; }
.chart-track { height: 10px; overflow: hidden; border-radius: 999px; background: var(--panel-2); }
.chart-fill { height: 100%; border-radius: inherit; background: linear-gradient(90deg, var(--accent), #8054ef); }
.chart-value { color: var(--text-muted); font-size: .76rem; font-weight: 750; text-align: right; }
.hierarchy-card { grid-column: 1 / -1; }
.theme-breadcrumb { display: flex; align-items: center; flex-wrap: wrap; gap: 5px; min-height: 34px; margin: -4px 0 12px; }
.theme-breadcrumb button { padding: 4px 7px !important; border: 0 !important; background: transparent !important; color: var(--accent) !important; box-shadow: none !important; font-size: .76rem; cursor: pointer; }
.theme-breadcrumb span { color: var(--text-muted); font-size: .72rem; }
.theme-stat-list { display: grid; gap: 9px; }
.theme-stat-row { display: grid; grid-template-columns: minmax(180px,1.35fr) minmax(150px,2fr) 78px auto; align-items: center; gap: 10px; padding: 8px 9px; border: 1px solid var(--border); border-radius: 11px; background: var(--panel-2); }
.theme-stat-row[style] { color:#15213a; }
.theme-stat-row[style] .theme-stat-title span,.theme-stat-row[style] .chart-value { color:#52627d; }
.theme-stat-title { min-width: 0; }
.theme-stat-title strong { display: block; overflow: hidden; font-size: .82rem; text-overflow: ellipsis; white-space: nowrap; }
.theme-stat-title span { display: block; overflow: hidden; color: var(--text-muted); font-size: .68rem; text-overflow: ellipsis; white-space: nowrap; }
.error-guide-grid { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:12px; margin-top:18px; }
.error-guide-grid article { display:flex; flex-direction:column; gap:6px; padding:14px; border:1px solid var(--border); border-radius:12px; background:var(--panel-2); }
.error-guide-grid article strong { color:var(--accent); }
.error-guide-grid article span,.error-guide-tip { color:var(--text-muted); line-height:1.55; }
.error-guide-tip { margin:14px 0 0; padding:12px 14px; border-left:4px solid var(--accent); background:color-mix(in srgb,var(--accent) 7%,var(--panel)); }
.theme-stat-actions { display: flex; gap: 5px; }
.theme-stat-actions .secondary-action { min-height: 30px !important; padding: 0 8px !important; font-size: .7rem !important; }
.chart-empty { padding: 22px; color: var(--text-muted); text-align: center; }
.priority-table { width: 100%; border-collapse: collapse; }
.priority-table th, .priority-table td { padding: 10px 8px; border-top: 1px solid var(--border); font-size: .8rem; text-align: left; }
.priority-table th { border-top: 0; color: var(--text-muted); font-size: .72rem; text-transform: uppercase; }
.priority-score { color: var(--accent); font-weight: 850; }
.action-strip { display: flex; align-items: center; justify-content: space-between; gap: 14px; }
.action-strip p { margin: 0; color: var(--text-muted); }
.primary-action { min-height: 42px; padding: 0 16px; border: 0; border-radius: 10px; color: #fff !important; background: linear-gradient(135deg,var(--accent),#8054ef) !important; cursor: pointer; }
.secondary-action { display:inline-flex; align-items:center; justify-content:center; min-height:38px; padding:0 13px; border:1px solid var(--border); border-radius:9px; background:var(--emed-panel,var(--panel)); color:var(--text-main); font-weight:700; line-height:1; text-decoration:none; cursor:pointer; }
.secondary-action:hover { color:var(--text-main); text-decoration:none; border-color:color-mix(in srgb,var(--accent) 34%,var(--border)); background:color-mix(in srgb,var(--accent) 5%,var(--emed-panel,var(--panel))); }
.page-heading-actions { display:flex; align-items:center; justify-content:space-between; gap:16px; flex-wrap:wrap; }
.page-heading-actions .page-subtitle { margin-bottom:0; }
.button-row { display: flex; flex-wrap: wrap; gap: 9px; }
.confidence-grid, .reason-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; }
.insight-card { padding: 15px; border: 1px solid var(--border); border-radius: 13px; background: var(--panel-2); }
.insight-card strong { display: block; color: var(--accent); font-size: 1.35rem; }
.insight-card span { color: var(--text-muted); font-size: .8rem; }
.error-toolbar { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 12px; }
.error-list { display: grid; gap: 12px; }
.error-topic-group { display:flex; align-items:center; justify-content:space-between; gap:16px; padding:14px 16px; border:1px solid var(--border); border-radius:14px; background:var(--panel-2); }
.error-topic-group strong,.error-topic-group span { display:block; }
.error-topic-group span { margin-top:4px; color:var(--text-muted); font-size:.8rem; }
.error-topic-group .button-row { flex:0 0 auto; }
.error-breadcrumb { display:flex; align-items:center; flex-wrap:wrap; gap:7px; }
.error-card { border: 1px solid var(--border); border-radius: 15px; background: var(--panel); overflow: hidden; }
.error-card-head { display: grid; grid-template-columns: auto minmax(0, 1fr) auto; gap: 12px; align-items: center; padding: 15px; }
.error-card-title { min-width: 0; }
.error-card-title strong { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.error-card-title span { color: var(--text-muted); font-size: .78rem; }
.error-badges { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 6px; }
.pill { display: inline-flex; align-items: center; min-height: 27px; padding: 0 9px; border: 1px solid var(--border); border-radius: 999px; color: var(--text-muted); background: var(--panel-2); font-size: .72rem; font-weight: 750; }
.pill.danger { color: #ef4444; border-color: color-mix(in srgb,#ef4444 35%,var(--border)); }
.pill.warning { color: #f59e0b; }
.pill.success { color: #22c55e; }
.error-card-actions { display: flex; flex-wrap: wrap; gap: 8px; padding: 0 15px 15px 48px; }
.error-details { display: none; padding: 18px; border-top: 1px solid var(--border); background: var(--panel-2); }
.error-card.open .error-details { display: block; }
.question-stem, .teacher-comment { line-height: 1.65; }
.answer-review { display: grid; gap: 8px; margin: 14px 0; }
.answer-line { padding: 10px 12px; border: 1px solid var(--border); border-radius: 10px; background: var(--panel); }
.answer-line.selected { border-color: #ef4444; }
.answer-line.correct { border-color: #22c55e; }
.diagnosis-editor { display: grid; gap: 12px; margin-top: 16px; padding-top: 16px; border-top: 1px solid var(--border); }
.choice-row { display: flex; flex-wrap: wrap; gap: 7px; }
.choice-chip { padding: 7px 10px; border: 1px solid var(--border); border-radius: 999px; color: var(--text-main); background: var(--panel); font-size: .76rem; cursor: pointer; }
.choice-chip.active { color: #fff; border-color: var(--accent); background: var(--accent); }
.diagnosis-editor textarea { width: 100%; min-height: 72px; padding: 10px; resize: vertical; }
.priority-cards { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 12px; }
.priority-card { padding: 15px; border: 1px solid var(--border); border-radius: 14px; background: var(--panel-2); }
.priority-card h3 { margin: 8px 0 3px; font-size: .95rem; }
.priority-card p { margin: 0; color: var(--text-muted); font-size: .78rem; }
.priority-card .button-row { margin-top: 12px; }
.empty-box { padding: 38px; border: 1px dashed var(--border); border-radius: 14px; color: var(--text-muted); text-align: center; }
.review-settings { display: flex; align-items: end; justify-content: space-between; flex-wrap: wrap; gap: 14px; }
.review-settings label { display: grid; gap: 6px; color: var(--text-muted); font-size: .8rem; font-weight: 750; }
.review-settings select { min-width: 170px; padding: 0 10px; }
.review-rules { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 10px; margin-top: 16px; }
.review-rule { padding: 13px; border: 1px solid var(--border); border-radius: 12px; background: var(--panel-2); }
.review-rule strong { display: block; color: var(--accent); font-size: .82rem; }
.review-rule span { display: block; margin-top: 4px; font-weight: 750; }
.review-layout { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 18px; }
.review-column { min-width: 0; }
.review-column.wide { grid-column: 1 / -1; }
.review-list { display: grid; gap: 10px; }
.review-row { display: grid; grid-template-columns: minmax(0,1fr) auto; align-items: center; gap: 14px; padding: 14px; border: 1px solid var(--border); border-radius: 13px; background: var(--panel-2); }
.review-row-title { font-weight: 800; line-height: 1.35; }
.review-row-meta { margin-top: 5px; color: var(--text-muted); font-size: .76rem; }
.review-row-actions { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 7px; }
.review-status { display: inline-flex; margin-right: 7px; color: var(--accent); font-weight: 800; }
@media(max-width:1100px){.metrics-grid{grid-template-columns:repeat(3,1fr)}.filter-grid{grid-template-columns:repeat(2,1fr)}.priority-cards{grid-template-columns:repeat(2,1fr)}}
@media(max-width:760px){.chart-grid,.review-layout{grid-template-columns:1fr}.review-column.wide{grid-column:auto}.review-rules{grid-template-columns:1fr}.confidence-grid,.reason-grid,.error-guide-grid{grid-template-columns:1fr}.error-card-head{grid-template-columns:auto minmax(0,1fr)}.error-badges{grid-column:2;justify-content:flex-start}.error-card-actions{padding-left:15px}.priority-cards{grid-template-columns:1fr}.action-strip{align-items:flex-start;flex-direction:column}.theme-stat-row{grid-template-columns:minmax(120px,1fr) minmax(90px,1.2fr) 62px}.theme-stat-actions{grid-column:1/-1;justify-content:flex-end}.review-row{grid-template-columns:1fr}.review-row-actions{justify-content:flex-start}}
@media(max-width:520px){.metrics-grid,.filter-grid,.confidence-grid,.reason-grid{grid-template-columns:1fr 1fr}.chart-row{grid-template-columns:minmax(90px,1fr) minmax(90px,1.3fr) 58px}.metric-card{min-height:94px}.learning-panel,.chart-card{padding:16px}}

/* Evolução por ciclo de revisão */
.evolution-list { display:grid; gap:14px; }
.evolution-topic { padding:15px; border:1px solid var(--border); border-radius:14px; background:var(--panel-2); }
.evolution-topic-head { display:flex; align-items:center; justify-content:space-between; gap:12px; flex-wrap:wrap; }
.evolution-topic-head strong { display:block; font-size:.9rem; }
.evolution-topic-head span { display:block; margin-top:3px; color:var(--text-muted); font-size:.72rem; }
.evolution-points { display:flex; align-items:stretch; gap:7px; margin-top:13px; overflow-x:auto; padding-bottom:4px; }
.evolution-point { flex:0 0 118px; display:grid; gap:3px; padding:10px; border:1px solid var(--border); border-radius:11px; background:var(--panel); }
.evolution-point.baseline { border-color:color-mix(in srgb,var(--accent) 40%,var(--border)); }
.evolution-point.active { border-color:#f59e0b; background:color-mix(in srgb,#f59e0b 7%,var(--panel)); }
.evolution-point.automatic { border-style:dashed; }
.evolution-point strong { color:var(--accent); font-size:1.12rem; }
.evolution-point small { color:var(--text-muted); line-height:1.3; }
.evolution-stage { font-size:.72rem; font-weight:850; }
.evolution-arrow { display:flex; align-items:center; color:var(--text-muted); font-weight:850; }
.chart-note { margin:12px 0 0; color:var(--text-muted); font-size:.76rem; line-height:1.5; }

/* Previsão de carga de revisões */
.forecast-summary { display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:10px; margin-bottom:18px; }
.forecast-summary > div { padding:13px; border:1px solid var(--border); border-radius:12px; background:var(--panel-2); }
.forecast-summary strong { display:block; color:var(--accent); font-size:1.35rem; }
.forecast-summary span { color:var(--text-muted); font-size:.76rem; }
.forecast-bars { height:150px; display:grid; grid-template-columns:repeat(30,minmax(4px,1fr)); align-items:end; gap:4px; padding:12px 8px 0; border-top:1px solid var(--border); }
.forecast-day { height:128px; display:flex; flex-direction:column; justify-content:flex-end; align-items:center; gap:5px; min-width:0; }
.forecast-bar { width:100%; min-height:2px; max-height:100%; border-radius:5px 5px 2px 2px; background:linear-gradient(180deg,var(--accent),#8054ef); }
.forecast-day small { min-height:14px; color:var(--text-muted); font-size:.6rem; white-space:nowrap; }

/* Linha do tempo do Caderno de Erros */
.error-evolution { margin:16px 0; padding:14px; border:1px solid var(--border); border-radius:12px; background:var(--panel); }
.error-evolution > strong { display:block; margin-bottom:10px; }
.error-evolution-steps { display:flex; align-items:stretch; gap:7px; overflow-x:auto; }
.error-evolution-step { flex:0 0 145px; display:grid; gap:4px; padding:9px 10px; border:1px solid var(--border); border-radius:10px; background:var(--panel-2); }
.error-evolution-step span { font-size:.76rem; font-weight:800; }
.error-evolution-step small { color:var(--text-muted); font-size:.7rem; }
.error-evolution-step.danger { border-color:color-mix(in srgb,#ef4444 35%,var(--border)); }
.error-evolution-step.success { border-color:color-mix(in srgb,#22c55e 35%,var(--border)); }
.error-evolution-step.warning { border-color:color-mix(in srgb,#f59e0b 35%,var(--border)); }

@media(max-width:760px){.forecast-summary{grid-template-columns:1fr}.forecast-bars{gap:2px}.evolution-topic-head{align-items:flex-start}.error-evolution-steps{padding-bottom:4px}}