/* ==========================================================================
   Estilos principales: Test de velocidad de mecanografía (Fijate Tools)
   ========================================================================== */

:root {
  --primary: #ff8507;
  --primary-hover: #e07400;
  --primary-light: rgba(255, 133, 7, 0.12);
  --primary-glow: rgba(255, 133, 7, 0.35);
  
  --success: #10b981;
  --success-light: rgba(16, 185, 129, 0.15);
  --danger: #ef4444;
  --danger-light: rgba(239, 68, 68, 0.15);
  --warning: #f59e0b;
  --info: #3b82f6;

  --bg-main: #0b0f17;
  --bg-card: #131b26;
  --bg-card-hover: #1a2434;
  --bg-input: #0e1520;
  --border-color: rgba(255, 255, 255, 0.08);
  --border-focus: rgba(255, 133, 7, 0.5);

  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-dim: #64748b;

  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', 'Roboto Mono', Menlo, monospace;
}

[data-theme="light"] {
  --bg-main: #f8fafc;
  --bg-card: #ffffff;
  --bg-card-hover: #f1f5f9;
  --bg-input: #f8fafc;
  --border-color: rgba(0, 0, 0, 0.08);
  --border-focus: rgba(255, 133, 7, 0.6);

  --text-main: #0f172a;
  --text-muted: #475569;
  --text-dim: #94a3b8;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-main);
  color: var(--text-main);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  line-height: 1.5;
  transition: background-color 0.25s ease, color 0.25s ease;
}

/* Cabecera estándar de la aplicación */
.app-header {
  background: var(--bg-card);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(12px);
}

.header-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0.75rem 1.25rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.header-left {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.btn-back-tools {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
  padding: 0.4rem 0.8rem;
  border-radius: 8px;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  text-decoration: none;
  transition: all 0.2s ease;
}

.btn-back-tools:hover {
  color: var(--text-main);
  border-color: var(--primary);
  transform: translateX(-2px);
}

.brand-area {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.brand-logo-box {
  width: 38px;
  height: 38px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--primary), #fbbf24);
  color: #0b0f17;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px var(--primary-glow);
}

.brand-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-main);
  line-height: 1.2;
  margin: 0;
}

.brand-subtitle {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.btn-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-icon:hover, .btn-icon.active {
  color: var(--text-main);
  border-color: var(--primary);
  background: var(--bg-card-hover);
}

/* Contenedor principal */
.main-wrapper {
  flex: 1;
  max-width: 1200px;
  width: 100%;
  margin: 0 auto;
  padding: 2rem 1.25rem 4rem;
}

/* Encabezado hero de la herramienta */
.tool-hero {
  text-align: center;
  margin-bottom: 2rem;
}

.tool-hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.3rem 0.8rem;
  background: var(--primary-light);
  color: var(--primary);
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  border: 1px solid rgba(255, 133, 7, 0.25);
}

.tool-hero h1 {
  font-size: 2.1rem;
  font-weight: 800;
  letter-spacing: -0.025em;
  margin-bottom: 0.5rem;
}

.tool-hero p {
  color: var(--text-muted);
  max-width: 680px;
  margin: 0 auto;
  font-size: 0.98rem;
}

/* Barra de controles y selectores */
.controls-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  background: var(--bg-card);
  padding: 0.85rem 1.25rem;
  border-radius: 12px;
  border: 1px solid var(--border-color);
  margin-bottom: 1.5rem;
}

.control-group {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.control-label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-right: 0.25rem;
}

.pill-group {
  display: inline-flex;
  background: var(--bg-input);
  padding: 3px;
  border-radius: 8px;
  border: 1px solid var(--border-color);
}

.pill-btn {
  padding: 0.35rem 0.75rem;
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 0.82rem;
  font-weight: 600;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.15s ease;
}

.pill-btn:hover {
  color: var(--text-main);
}

.pill-btn.active {
  background: var(--primary);
  color: #0b0f17 !important;
  font-weight: 700;
  box-shadow: 0 2px 6px var(--primary-glow);
}

/* Panel de métricas en vivo */
.metrics-hud {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.metric-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 1rem 1.25rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.metric-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: transparent;
  transition: background 0.3s ease;
}

.metric-card.active::before {
  background: var(--primary);
}

.metric-value {
  font-family: var(--font-mono);
  font-size: 2rem;
  font-weight: 800;
  color: var(--text-main);
  line-height: 1.1;
  margin-bottom: 0.2rem;
}

.metric-title {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

/* Barra de progreso */
.progress-track {
  height: 4px;
  background: var(--border-color);
  border-radius: 2px;
  overflow: hidden;
  margin-bottom: 1.25rem;
}

.progress-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--primary), #fbbf24);
  transition: width 0.3s ease;
}

/* Área de digitación y texto */
.typing-box {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 1.75rem;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
  margin-bottom: 1.75rem;
  position: relative;
}

.typing-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border-color);
}

.text-source {
  font-size: 0.85rem;
  color: var(--text-dim);
  font-style: italic;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.typing-actions {
  display: flex;
  gap: 0.5rem;
}

.text-display-container {
  font-family: var(--font-mono);
  font-size: 1.28rem;
  line-height: 2rem;
  letter-spacing: 0.02em;
  max-height: 240px;
  overflow-y: auto;
  user-select: none;
  cursor: text;
  padding: 0.5rem;
  border-radius: 8px;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  scroll-behavior: smooth;
}

/* Estados de caracteres */
.char-pending {
  color: var(--text-dim);
  opacity: 0.65;
}

.char-correct {
  color: var(--success);
}

.char-incorrect {
  color: var(--danger);
  background: var(--danger-light);
  border-radius: 3px;
  text-decoration: underline;
}

.char-current {
  color: var(--primary);
  background: var(--primary-light);
  border-bottom: 2px solid var(--primary);
  border-radius: 2px 2px 0 0;
  animation: cursorBlink 1s infinite alternate ease-in-out;
}

@keyframes cursorBlink {
  from { border-bottom-color: var(--primary); }
  to { border-bottom-color: transparent; }
}

/* Input oculto para captura en móvil y desktop */
.capture-input {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  cursor: text;
  z-index: 10;
}

/* Teclado virtual interactivo */
.keyboard-section {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 1.25rem;
  margin-bottom: 2rem;
  user-select: none;
}

.keyboard-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 600;
  margin-bottom: 1rem;
}

.virtual-keyboard {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.keyboard-row {
  display: flex;
  justify-content: center;
  gap: 5px;
}

.key-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-width: 38px;
  height: 42px;
  background: var(--bg-input);
  color: var(--text-muted);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 600;
  padding: 0 4px;
  transition: all 0.1s ease;
  position: relative;
}

.key-btn .key-shift {
  font-size: 0.65rem;
  opacity: 0.6;
  line-height: 1;
}

.key-btn .key-main {
  font-size: 0.8rem;
  line-height: 1;
}

.key-backspace, .key-tab, .key-caps, .key-enter {
  min-width: 65px;
  font-size: 0.75rem;
}

.key-shift-left, .key-shift-right {
  min-width: 80px;
  font-size: 0.75rem;
}

.key-ctrl, .key-alt, .key-altgr {
  min-width: 50px;
  font-size: 0.75rem;
}

.key-space {
  min-width: 260px;
  font-size: 0.75rem;
}

/* Efectos activos de teclas */
.key-btn.key-active {
  background: var(--primary) !important;
  color: #0b0f17 !important;
  border-color: var(--primary);
  transform: translateY(2px);
  box-shadow: 0 0 12px var(--primary-glow);
}

.key-btn.key-active-error {
  background: var(--danger) !important;
  color: #ffffff !important;
  border-color: var(--danger);
  transform: translateY(2px);
}

.key-btn.key-next-target {
  border-color: var(--primary);
  box-shadow: 0 0 8px var(--primary-glow);
  background: var(--primary-light);
  color: var(--primary);
}

/* Tarjeta de resultados e informe */
.results-card {
  display: none;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 2.25rem;
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.2);
  margin-bottom: 2rem;
  animation: fadeIn 0.35s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.results-header {
  text-align: center;
  margin-bottom: 2rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border-color);
}

.results-header h2 {
  font-size: 1.8rem;
  font-weight: 800;
  margin-bottom: 0.5rem;
}

.results-rank-badge {
  display: inline-block;
  padding: 0.4rem 1.2rem;
  background: linear-gradient(135deg, var(--primary), #fbbf24);
  color: #0b0f17;
  font-weight: 800;
  border-radius: 999px;
  font-size: 1.1rem;
  margin-bottom: 0.75rem;
}

.results-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
  margin-bottom: 2rem;
}

.res-metric {
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 1.25rem;
  text-align: center;
}

.res-metric .val {
  font-family: var(--font-mono);
  font-size: 2.4rem;
  font-weight: 800;
  color: var(--primary);
  line-height: 1.1;
}

.res-metric .lbl {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 600;
  margin-top: 0.35rem;
  text-transform: uppercase;
}

/* Gráfico de velocidad */
.chart-box {
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 1.25rem;
  margin-bottom: 2rem;
}

.chart-box h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.typing-chart-svg {
  width: 100%;
  height: auto;
  display: block;
}

/* Mapa de calor de errores */
.heatmap-box {
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 1.25rem;
  margin-bottom: 2rem;
}

.heatmap-box h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.error-keys-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.error-key-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  padding: 0.4rem 0.8rem;
  border-radius: 8px;
}

.error-key-char {
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--danger);
  font-size: 1rem;
}

.error-key-badge {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.heatmap-empty {
  text-align: center;
  padding: 1.5rem;
  color: var(--text-muted);
}

/* Botones de acción final */
.results-actions {
  display: flex;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.btn-primary-action {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.6rem;
  background: var(--primary);
  color: #0b0f17 !important;
  font-weight: 700;
  border-radius: 10px;
  border: none;
  font-size: 0.95rem;
  cursor: pointer;
  transition: all 0.2s ease;
  box-shadow: 0 4px 14px var(--primary-glow);
}

.btn-primary-action:hover {
  background: var(--primary-hover);
  transform: translateY(-1px);
}

.btn-secondary-action {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.6rem;
  background: transparent;
  color: var(--text-main);
  font-weight: 600;
  border-radius: 10px;
  border: 1px solid var(--border-color);
  font-size: 0.95rem;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-secondary-action:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-focus);
}

/* Sección informativa y formativa */
.info-section {
  margin-top: 3rem;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.info-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 1.5rem;
}

.info-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: var(--primary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.info-card p {
  color: var(--text-muted);
  font-size: 0.88rem;
  line-height: 1.5;
}

/* Responsive */
@media (max-width: 860px) {
  .metrics-hud, .results-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .info-section {
    grid-template-columns: 1fr;
  }
  .key-btn {
    min-width: 28px;
    height: 36px;
    font-size: 0.7rem;
  }
  .key-space {
    min-width: 140px;
  }
}

@media (max-width: 600px) {
  .tool-hero h1 {
    font-size: 1.6rem;
  }
  .text-display-container {
    font-size: 1.05rem;
    line-height: 1.7rem;
  }
  .keyboard-section {
    display: none !important;
  }
}

/* @media print */
@media print {
  body {
    background: #ffffff !important;
    color: #000000 !important;
  }
  .tool-nav, .controls-bar, .typing-actions, .keyboard-section, .info-section, .fijate-footer, .results-actions {
    display: none !important;
  }
  .main-wrapper {
    max-width: 100%;
    padding: 0;
  }
  .results-card {
    display: block !important;
    border: none;
    box-shadow: none;
    padding: 0;
  }
  .res-metric, .chart-box, .heatmap-box {
    border: 1px solid #cccccc;
    background: #ffffff;
    color: #000000;
  }
}