/* ==========================================================
   components.css — Componentes reutilizáveis
   Humboldt / Atlas Interativo de Geografia
   ========================================================== */

/* ==========================================================
   BOTÕES
   Regra fundamental: nenhum botão herda border-bottom de <a>.
   Todos os tamanhos usam box-sizing: border-box.
   ========================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.75rem 1.75rem;          /* fixo em rem, não variáveis encadeadas */
  font-family: var(--font-mono);
  font-size: 0.8125rem;              /* 13px — mono tracking compensa */
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border-radius: var(--radius);
  border: 2px solid transparent;
  text-decoration: none;
  border-bottom: 2px solid transparent; /* garante simetria com border-top */
  white-space: nowrap;
  cursor: pointer;
  line-height: 1;
  transition: background var(--transition-fast),
              color       var(--transition-fast),
              border-color var(--transition-fast),
              box-shadow   var(--transition-fast);
}

.btn:focus-visible {
  outline: 2px solid var(--color-primary-mid);
  outline-offset: 3px;
}

/* Variantes */
.btn-primary {
  background:   var(--color-primary);
  color:        var(--color-text-inv);
  border-color: var(--color-primary);
}
.btn-primary:hover, .btn-primary:focus {
  background:   var(--color-primary-mid);
  border-color: var(--color-primary-mid);
  color:        var(--color-text-inv);
  box-shadow:   var(--shadow);
}

.btn-outline {
  background:   transparent;
  color:        var(--color-primary);
  border-color: var(--color-primary);
}
.btn-outline:hover, .btn-outline:focus {
  background:   var(--color-primary);
  color:        var(--color-text-inv);
  border-color: var(--color-primary);
}

.btn-accent {
  background:   var(--color-accent);
  color:        #fff;
  border-color: var(--color-accent);
}
.btn-accent:hover, .btn-accent:focus {
  background:   #6e4620;
  border-color: #6e4620;
  color:        #fff;
}

/* Tamanhos */
.btn-sm {
  padding:     0.5rem 1.25rem;
  font-size:   0.75rem;
}
.btn-lg {
  padding:     1rem 2.25rem;
  font-size:   0.875rem;
  letter-spacing: 0.12em;
}

/* ==========================================================
   MODULE CARDS (na home e na listagem de módulos)
   ========================================================== */

/* Override de <a> antes da definição do card */
a.module-card {
  color:         inherit;
  border-bottom: 1px solid var(--color-border); /* borda do card, não do link */
  text-decoration: none;
}
a.module-card:hover, a.module-card:focus {
  color:         inherit;
  border-bottom-color: var(--color-primary-lt);
}

.module-card {
  background:     var(--color-surface);
  border:         1px solid var(--color-border);
  border-radius:  var(--radius-lg);
  padding:        var(--space-8);
  display:        flex;
  flex-direction: column;
  gap:            var(--space-3);
  cursor:         pointer;
  transition:     box-shadow var(--transition),
                  border-color var(--transition),
                  transform var(--transition);
  min-height:     200px;
}
.module-card:hover, .module-card:focus {
  box-shadow:   var(--shadow-lg);
  border-color: var(--color-primary-lt);
  transform:    translateY(-2px);
}

.module-card-number {
  font-family:     var(--font-mono);
  font-size:       var(--size-xs);
  letter-spacing:  var(--tracking-wider);
  color:           var(--color-accent);
}

.module-card-title {
  font-family:  var(--font-display);
  font-size:    var(--size-xl);
  color:        var(--color-primary);
  font-weight:  700;
  line-height:  var(--leading-tight);
}

/* Tagline: descrição curta do módulo */
.module-card-tagline {
  font-size:    var(--size-sm);
  color:        var(--color-text-muted);
  line-height:  1.65;
  flex:         1;
  margin-bottom: var(--space-2);
}

.module-card-meta {
  display:         flex;
  align-items:     baseline;
  justify-content: space-between;
  gap:             var(--space-3);
  font-family:     var(--font-mono);
  font-size:       0.65rem;
  letter-spacing:  0.05em;
  color:           var(--color-text-muted);
  border-top:      1px solid var(--color-border);
  padding-top:     var(--space-4);
  margin-top:      auto;
  flex-shrink:     0;
}

.module-card-count {
  color:      var(--color-text-muted);
  white-space: nowrap;
  flex-shrink: 0;
}

.module-card-scales {
  color:          var(--color-accent);
  font-size:      0.6rem;
  letter-spacing: 0.04em;
  text-align:     right;
}

/* ==========================================================
   LESSON CARDS (listagem dentro de módulo)
   ========================================================== */

a.lesson-card {
  color:           inherit;
  text-decoration: none;
  border-bottom:   1px solid var(--color-border);
}
a.lesson-card:hover { border-bottom-color: var(--color-primary-lt); color: inherit; }

.lesson-card {
  display:       flex;
  align-items:   center;
  gap:           var(--space-4);
  padding:       var(--space-6) var(--space-6) var(--space-6) var(--space-4);
  background:    var(--color-surface);
  border:        1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition:    border-color var(--transition-fast),
                 box-shadow var(--transition-fast);
}
.lesson-card:hover {
  border-color: var(--color-primary-lt);
  box-shadow:   var(--shadow);
}

.lesson-card-number {
  font-family:    var(--font-mono);
  font-size:      var(--size-xs);
  letter-spacing: var(--tracking-wider);
  color:          var(--color-accent);
  flex-shrink:    0;
  min-width:      2rem;
  text-align:     right;
}

.lesson-card-body {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.lesson-card-title {
  font-family: var(--font-display);
  font-size:   var(--size-md);
  color:       var(--color-primary);
  font-weight: 700;
}

.lesson-card-summary {
  font-size:   var(--size-sm);
  color:       var(--color-text-muted);
  line-height: var(--leading-base);
  margin: 0;
}

.lesson-card-type {
  display: none;
}

/* ==========================================================
   MAPA
   ========================================================== */

.map-container {
  position:     relative;
  background:   var(--map-bg);
  border-radius: var(--radius-lg);
  overflow:     hidden;
  border:       1px solid var(--color-border);
  box-shadow:   var(--shadow-map);
}

.map-tooltip {
  position:    absolute;
  background:  var(--color-primary);
  color:       var(--color-text-inv);
  font-family: var(--font-mono);
  font-size:   var(--size-xs);
  padding:     var(--space-2) var(--space-3);
  border-radius: var(--radius);
  pointer-events: none;
  opacity:     0;
  transition:  opacity var(--transition-fast);
  white-space: nowrap;
  z-index:     10;
}

.map-zoom-controls {
  position: absolute;
  bottom:   var(--space-4);
  right:    var(--space-4);
  display:  flex;
  flex-direction: column;
  gap:      var(--space-1);
}

.map-zoom-btn {
  width:        32px;
  height:       32px;
  background:   var(--color-surface);
  border:       1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size:    var(--size-lg);
  line-height:  1;
  display:      flex;
  align-items:  center;
  justify-content: center;
  cursor:       pointer;
  transition:   background var(--transition-fast);
}
.map-zoom-btn:hover { background: var(--color-bg-panel); }

/* SVG map regions */
.map-container svg [data-name] {
  cursor:     pointer;
  transition: opacity var(--transition-fast), filter var(--transition-fast);
}
.map-container svg [data-name]:hover,
.map-container svg [data-name]:focus {
  opacity: 0.75;
  filter:  brightness(1.15);
  outline: none;
}

/* ==========================================================
   CONTROLES DE CAMADA
   ========================================================== */

.layer-controls {
  display:        flex;
  flex-direction: column;
  gap:            var(--space-3);
  padding:        var(--space-4);
  background:     var(--color-surface);
  border:         1px solid var(--color-border);
  border-radius:  var(--radius-lg);
}

.layer-controls-title {
  font-family:    var(--font-mono);
  font-size:      var(--size-xs);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color:          var(--color-text-muted);
  margin-bottom:  var(--space-1);
}

.layer-toggle {
  display:     flex;
  align-items: center;
  gap:         var(--space-3);
  font-size:   var(--size-sm);
  cursor:      pointer;
}

.layer-swatch {
  width:         12px;
  height:        12px;
  border-radius: 2px;
  flex-shrink:   0;
  border:        1px solid rgba(0,0,0,0.15);
}

/* ==========================================================
   LEGENDA DO MAPA
   ========================================================== */

.map-legend {
  padding:        var(--space-4);
  background:     var(--color-surface);
  border:         1px solid var(--color-border);
  border-radius:  var(--radius-lg);
}

.legend-title {
  font-family:    var(--font-mono);
  font-size:      var(--size-xs);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color:          var(--color-text-muted);
  margin-bottom:  var(--space-3);
}

.legend-list {
  list-style: none;
  padding:    0;
  margin:     0;
  display:    flex;
  flex-direction: column;
  gap:        var(--space-2);
}

.legend-item {
  display:     flex;
  align-items: center;
  gap:         var(--space-3);
  font-size:   var(--size-sm);
  margin:      0;
  line-height: var(--leading-base);
}

.legend-swatch {
  width:         14px;
  height:        14px;
  border-radius: var(--radius-sm);
  flex-shrink:   0;
  border:        1px solid rgba(0,0,0,0.1);
}

/* ==========================================================
   PASSOS DA LIÇÃO
   ========================================================== */

.lesson-step {
  padding:       var(--space-8) 0;
  border-bottom: 1px solid var(--color-border);
}
.lesson-step:last-of-type { border-bottom: none; }

.step-label {
  font-family:    var(--font-mono);
  font-size:      var(--size-xs);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color:          var(--color-accent);
  margin-bottom:  var(--space-3);
}

.step-title {
  font-size:     clamp(1.5rem, 3vw, 2.25rem);
  margin-bottom: var(--space-4);
}

/* ==========================================================
   CAIXAS DE CONTEÚDO (fenômeno, caso, aplicação)
   ========================================================== */

.phenomenon-box {
  background:    var(--color-bg-panel);
  border-left:   3px solid var(--color-accent);
  border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
  padding:       var(--space-8) var(--space-8);
}

.phenomenon-title {
  font-family:  var(--font-display);
  font-size:    var(--size-lg);
  font-weight:  700;
  color:        var(--color-primary);
  margin-bottom: var(--space-3);
}

.case-study-box {
  background:    var(--color-surface);
  border:        1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding:       var(--space-8) var(--space-8);
}

.case-study-title {
  font-family:  var(--font-display);
  font-size:    var(--size-lg);
  font-weight:  700;
  color:        var(--color-primary);
  margin-bottom: var(--space-3);
}

.application-box {
  background:    rgba(139, 94, 46, 0.06);
  border:        1px solid rgba(139, 94, 46, 0.25);
  border-radius: var(--radius-lg);
  padding:       var(--space-8) var(--space-8);
}

/* ==========================================================
   MODO PROFESSOR — teacher-box
   ========================================================== */

/* Esconde por padrão; body.teacher-mode revela */
.teacher-only { display: none !important; }
body.teacher-mode .teacher-only { display: block !important; }

/* .teacher-box usa flex quando visível */
.teacher-box {
  background:    rgba(139, 94, 46, 0.07);
  border:        1.5px solid var(--color-accent);
  border-radius: var(--radius-lg);
  padding:       var(--space-8) var(--space-8);   /* breathing room */
  margin-top:    var(--space-8);
  flex-direction: column;
  gap:           var(--space-5);
}
body.teacher-mode .teacher-box {
  display: flex !important;
}

.teacher-box-label {
  font-family:    var(--font-mono);
  font-size:      0.65rem;
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color:          var(--color-accent);
  padding-bottom: var(--space-2);
  border-bottom:  1px solid rgba(139,94,46,0.2);
}

.teacher-box dl {
  display:               grid;
  grid-template-columns: auto 1fr;
  gap:                   var(--space-2) var(--space-5);
}

.teacher-box dt {
  font-size:   var(--size-sm);
  font-weight: 600;
  color:       var(--color-text);
  padding-top: 0.1em;
}

.teacher-box dd {
  font-size:   var(--size-sm);
  color:       var(--color-text-mid);
  line-height: var(--leading-loose);
}

/* ==========================================================
   ATIVIDADE
   ========================================================== */

.activity-area {
  background:    var(--color-surface);
  border:        1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding:       var(--space-8) var(--space-8);
}

.activity-question {
  font-family:  var(--font-display);
  font-size:    var(--size-lg);
  color:        var(--color-primary);
  font-weight:  700;
  margin-bottom: var(--space-5);
  line-height:  var(--leading-tight);
}

.activity-instruction {
  font-size:    var(--size-sm);
  color:        var(--color-text-muted);
  font-style:   italic;
  margin-bottom: var(--space-4);
}

.activity-options {
  display:        flex;
  flex-direction: column;
  gap:            var(--space-3);
  list-style:     none;
  padding:        0;
  margin:         0;
}

.option-btn {
  width:          100%;
  text-align:     left;
  padding:        var(--space-4) var(--space-5);
  background:     var(--color-bg);
  border:         1px solid var(--color-border);
  border-radius:  var(--radius);
  font-family:    var(--font-body);
  font-size:      var(--size-base);
  color:          var(--color-text);
  cursor:         pointer;
  transition:     border-color var(--transition-fast),
                  background var(--transition-fast);
  line-height:    var(--leading-base);
}
.option-btn:hover { border-color: var(--color-primary-lt); background: var(--color-surface); }
.option-btn.correct { border-color: var(--color-success); background: rgba(46,110,78,0.08); }
.option-btn.incorrect { border-color: var(--color-error); background: rgba(122,31,31,0.06); }

/* ==========================================================
   FEEDBACK E DICAS
   ========================================================== */

.feedback-msg {
  margin-top:    var(--space-4);
  padding:       var(--space-4) var(--space-5);
  border-radius: var(--radius);
  font-size:     var(--size-sm);
  line-height:   var(--leading-loose);
  display:       none;
}
.feedback-msg.visible { display: block; }
.feedback-msg.correct  { background: rgba(46,110,78,0.1); border: 1px solid var(--color-success); color: var(--color-success); }
.feedback-msg.incorrect{ background: rgba(122,31,31,0.08); border: 1px solid var(--color-error);   color: var(--color-error);   }

.hint-bubble {
  background:    var(--color-bg-panel);
  border:        1px solid var(--color-accent);
  border-left:   3px solid var(--color-accent);
  border-radius: 0 var(--radius) var(--radius) 0;
  padding:       var(--space-4) var(--space-5);
  font-size:     var(--size-sm);
  color:         var(--color-text-mid);
  margin-top:    var(--space-3);
  line-height:   var(--leading-loose);
}

/* ==========================================================
   PROGRESSO DA LIÇÃO
   ========================================================== */

.lesson-progress {
  display:     flex;
  align-items: center;
  gap:         var(--space-3);
  margin-bottom: var(--space-6);
}

.progress-bar {
  flex:          1;
  height:        3px;
  background:    var(--color-border);
  border-radius: 2px;
  overflow:      hidden;
}

.progress-fill {
  height:        100%;
  background:    var(--color-accent);
  border-radius: 2px;
  transition:    width var(--transition);
}

.progress-label {
  font-family:    var(--font-mono);
  font-size:      var(--size-xs);
  letter-spacing: var(--tracking-wide);
  color:          var(--color-text-muted);
  white-space:    nowrap;
}

/* ==========================================================
   BREADCRUMB
   ========================================================== */

.breadcrumb {
  display:     flex;
  align-items: center;
  flex-wrap:   wrap;
  gap:         var(--space-2);
  font-family: var(--font-mono);
  font-size:   var(--size-xs);
  letter-spacing: var(--tracking-wide);
  color:       var(--color-text-muted);
  margin-bottom: var(--space-6);
}

.breadcrumb a {
  color:         var(--color-text-muted);
  border-bottom: none;
  text-decoration: none;
}
.breadcrumb a:hover { color: var(--color-primary); border-bottom: none; }

.breadcrumb-sep {
  color: var(--color-border-dark);
}

.breadcrumb-current {
  color: var(--color-text);
}

/* ==========================================================
   NAVEGAÇÃO DE LIÇÃO
   ========================================================== */

.lesson-nav {
  display:         flex;
  align-items:     center;
  justify-content: space-between;
  padding-top:     var(--space-8);
  margin-top:      var(--space-8);
  border-top:      1px solid var(--color-border);
}

/* ==========================================================
   COMPARAÇÃO ANTES / DEPOIS
   ========================================================== */

.comparison-wrapper {
  position:      relative;
  overflow:      hidden;
  border-radius: var(--radius-lg);
  cursor:        ew-resize;
}

.comparison-handle {
  position:   absolute;
  top:        0;
  bottom:     0;
  width:      2px;
  background: var(--color-accent-lt);
  z-index:    10;
  cursor:     ew-resize;
}

.comparison-handle::before {
  content:         '';
  position:        absolute;
  top:             50%;
  left:            50%;
  transform:       translate(-50%, -50%);
  width:           32px;
  height:          32px;
  background:      var(--color-accent-lt);
  border-radius:   50%;
  box-shadow:      var(--shadow);
}

.comparison-label {
  position:       absolute;
  bottom:         var(--space-3);
  font-family:    var(--font-mono);
  font-size:      var(--size-xs);
  letter-spacing: var(--tracking-wide);
  padding:        var(--space-1) var(--space-3);
  background:     rgba(30,58,95,0.75);
  color:          var(--color-text-inv);
  border-radius:  var(--radius-sm);
}
.comparison-label.before { left:  var(--space-3); }
.comparison-label.after  { right: var(--space-3); }

/* ==========================================================
   SLIDER DE ESCALA
   ========================================================== */

.scale-slider-wrapper {
  display:        flex;
  flex-direction: column;
  gap:            var(--space-4);
}

.scale-slider-labels {
  display:         flex;
  justify-content: space-between;
  font-family:     var(--font-mono);
  font-size:       var(--size-xs);
  color:           var(--color-text-muted);
}

input[type="range"] {
  width:  100%;
  accent-color: var(--color-primary);
}

.scale-description {
  background:    var(--color-bg-panel);
  border:        1px solid var(--color-border);
  border-radius: var(--radius);
  padding:       var(--space-4);
  font-size:     var(--size-sm);
  color:         var(--color-text-mid);
  line-height:   var(--leading-loose);
  min-height:    4rem;
}