/* Tutor UI */
.status-panel { background:#f8fafc; border:1px solid rgba(2,6,23,.08); border-radius:8px; padding:16px; margin:16px 0; }
.session-card { background:#e0f2fe; border:1px solid #0ea5e9; border-radius:8px; padding:16px; margin:16px 0; }
.session-details p { margin:4px 0; }
.session-id { font-family: monospace; background:#fff; padding:4px 8px; border-radius:4px; border:1px solid #ddd; font-weight:bold; color: var(--primary); }
.participants-panel { margin:20px 0; }
.participants-list { background:#f8fafc; border:1px solid rgba(2,6,23,.08); border-radius:8px; padding:6px; min-height:60px; max-height:none; overflow-y:visible; height:auto; }
/* Fila compacta de participante: menos padding y sin tarjeta extra */
.participants-list .participant-item { display:flex; align-items:center; justify-content:space-between; }
.participant-name { font-weight:500; color: var(--text); }

/* ====== Compact participant row (no inline needed) ====== */
#page-tutor #participantsList .pi-item {
  gap: 12px;
  padding: 6px 10px;
  margin: 4px 0;
  border-bottom: 1px solid rgba(2,6,23,.10);
  line-height: 1.25;
  height: 40px;
  min-height: 40px;
  width: 100%;
  box-sizing: border-box;
}
#page-tutor #participantsList .pi-name { flex:1; min-width:140px; font-weight:600; font-size:14px; }
#page-tutor #participantsList .pi-stats { 
  display:flex; align-items:center; gap:12px; 
  /* Resetear estilos heredados de .participant-stats global */
  background: transparent !important; 
  border: 0 !important; 
  padding: 0 !important; 
  margin: 0 !important; 
  border-radius: 0 !important;
}
#page-tutor #participantsList .pi-tc {
  order: 99;               /* enviar al extremo derecho */
  margin-left: auto;       /* ocupar espacio restante */
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: #eef2ff;     /* tono suave acorde al tema */
  color: #1e293b;
  border: 1px solid rgba(2,6,23,.08);
  border-radius: 999px;
  padding: 5px 10px;
  font-weight: 700;
  line-height: 1;
}
#page-tutor #participantsList .pi-badge { padding:5px 10px; border-radius:999px; background:#e8f5e9; color:#2e7d32; font-size:13px; line-height:1; }
#page-tutor #participantsList .pi-corr { min-width:76px; text-align:center; background:#e8f7ee; color:#1b7f4a; border-radius:8px; padding:5px 10px; font-weight:700; font-size:13px; line-height:1; }
#page-tutor #participantsList .pi-inc { min-width:96px; text-align:center; background:#fdecea; color:#b23c17; border-radius:8px; padding:5px 10px; font-weight:700; font-size:13px; line-height:1; }
#page-tutor #participantsList .pi-prog {
  min-width: 64px;
  display: inline-flex;
  justify-content: center;
  align-items: center;
  padding: 5px 10px;
  background: #eef2ff;           /* consistente con .pi-tc */
  color: #1e293b;
  border: 1px solid rgba(2,6,23,.08);
  border-radius: 999px;
  font-size: 13px;
  font-weight: 700;
  line-height: 1;
  text-align: center;
}
#page-tutor #participantsList .pi-actions { display:flex; gap:10px; }
#page-tutor #participantsList .pi-actions .btn-ghost { padding:5px 10px; font-size:13px; line-height:1; height:26px; }

/* Prevent horizontal overflow in participant rows */
#page-tutor #participantsList { overflow-x: hidden; }
#page-tutor #participantsList .pi-item { flex-wrap: nowrap; max-width: 100%; }
#page-tutor #participantsList .pi-name { flex: 1 1 140px; min-width: 0; overflow: hidden; text-overflow: ellipsis; }
#page-tutor #participantsList .pi-stats { flex: 0 0 auto; flex-wrap: nowrap; }
#page-tutor #participantsList .pi-corr,
#page-tutor #participantsList .pi-inc,
#page-tutor #participantsList .pi-prog,
#page-tutor #participantsList .pi-tc { min-width: 0; flex: 0 1 auto; }
#page-tutor #participantsList .pi-actions { margin-left: auto; flex-wrap: wrap; }

/* ====== Desktop: lista de participantes sin scroll vertical ====== */
#page-tutor .participants-list,
#page-tutor #participantsList {
  max-height: none !important;
  overflow-y: visible !important;
  height: auto !important;
}

/* Ocultar scrollbars si algún estilo inline/JS los activa accidentalmente */
#page-tutor #participantsList { scrollbar-width: none; }
#page-tutor #participantsList::-webkit-scrollbar { display: none; }

.tutor-controls { display:flex; gap:12px; margin:20px 0; flex-wrap:wrap; }
#sessionInfo .tutor-controls { margin-bottom:12px; align-items:center; justify-content:center; }
#tutorPlayback .actions { display:flex; flex-wrap:wrap; gap:8px; }
#tutorPlayback .actions button { width:auto !important; flex:0 0 auto; min-width:150px; }

/* ====== Mover estilos inline del Panel del Tutor a CSS ====== */
#page-tutor .session-header-row { display:flex; align-items:center; justify-content:space-between; gap:10px; flex-wrap: wrap; }
.session-id-row { margin:0; display:flex; gap:8px; align-items:center; }
.session-status-row { margin-top: 8px; }

#tutorPlayback { margin: 8px 0 12px; display: none; gap: 6px; flex-direction: column; width:100%; }
/* Visible solo cuando el ejercicio está activo */
#tutorPlayback.is-active { display: flex; }
#tutorPlayback .row-top { display:flex; flex-direction:column; gap:8px; width:100%; }
#tutorPlayback .row-top .inline { display:flex; align-items:center; gap:6px; }
#tutorPlayback .progress-row { display:flex; align-items:center; gap:8px; width:100%; }
#tutorPlayback .progress { height:8px; background:#eee; border-radius:6px; overflow:hidden; flex:1; }
#tutorOverallProgressFill { height:100%; width:0%; background: linear-gradient(90deg, #4CAF50, #81C784); }
#tutorPlayback .row-bottom { display:flex; align-items:center; gap:10px; width:100%; }
#tutorPlayback .row-bottom .actions { display:flex; gap:8px; flex-wrap: wrap; margin-left:auto; align-items:center; }
.hint-muted { font-size:12px; color:#666; }

/* Select de autoDelay (movido desde HTML) */
#autoDelay { min-width: 80px; }

/* ====== Auto + Delay en la misma línea (desktop por defecto) ====== */
#autoControlsRow {
  display: flex;
  align-items: center;
  gap: 8px;
}
#autoControlsRow label.inline {
  margin: 0;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
#autoControlsRow #autoDelay {
  min-width: 100px;
}

/* Zona izquierda de la fila inferior (antes inline) */
#tutorPlayback .row-bottom .left { display:flex; align-items:center; gap:10px; }

/* Indicador de respuestas (margen a la izquierda) */
#tutorResponses { margin-left: 8px; }

/* Mobile tweaks for participant list - KEPT HERE (specific to tutor) */
@media (max-width: 520px) {
  #page-tutor #participantsList .pi-item { gap: 8px; }
  /* Only show: name + correct + incorrect in a single line */
  #page-tutor #participantsList .pi-item { flex-wrap: nowrap; align-items: center; }
  #page-tutor #participantsList .pi-name { flex: 1 1 auto; min-width: 0; overflow: hidden; text-overflow: ellipsis; }
  #page-tutor #participantsList .pi-stats { flex: 0 0 auto; display: inline-flex; align-items: center; gap: 8px; }
  /* Hide extra elements on mobile */
  #page-tutor #participantsList .pi-badge,
  #page-tutor #participantsList .pi-prog,
  #page-tutor #participantsList .pi-actions,
  #page-tutor #participantsList .pi-tc { display: none !important; }
  /* Compact chips */
  #page-tutor #participantsList .pi-corr,
  #page-tutor #participantsList .pi-inc { padding: 4px 8px; font-size: 12px; line-height: 1; }
}

/* Tutor controls responsive moved to responsive.css */

/* Copy session ID button: increase size */
#btnCopySessionId {
  font-size: 18px; /* larger icon */
  padding: 6px 8px;
  line-height: 1;
  height: 30px;
  min-width: 30px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

/* Session header responsive moved to responsive.css */

/* QR Modal - Layout corregido */
#qrModal {
  position: fixed !important;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  z-index: 9999;
  box-sizing: border-box;
}

#qrModal .modal-content {
  position: relative;
  transform: none;
  max-width: 420px;
  width: auto;
  margin: 0 auto;
}

/* QR Modal Body - Asegurar layout vertical correcto */
#qrModal .modal-body {
  display: flex !important;
  flex-direction: column !important;
  align-items: center !important;
  justify-content: center !important;
  gap: 16px !important;
  padding: 24px 28px !important;
}

/* QR Code Container - Dimensiones fijas */
#qrModal #qrCodeContainer {
  width: 256px !important;
  height: auto !important;
  min-height: 256px !important;
  display: flex !important;
  flex-direction: column !important;
  align-items: center !important;
  justify-content: center !important;
  flex-shrink: 0 !important;
  overflow: visible !important;
}

/* Estilos para canvas QR (QRious) */
#qrModal #qrCodeContainer canvas {
  width: 256px !important;
  height: 256px !important;
  margin: 0 auto !important;
  display: block !important;
}

/* QR Session ID Row - Centrado y espaciado */
#qrModal #qrSessionIdRow {
  width: 100%;
  max-width: 280px;
  text-align: center;
  font-size: 13px;
  color: #334155;
  background: #f8fafc;
  border: 1px solid #e5e7eb;
  border-radius: 8px;
  padding: 10px 12px;
  margin: 0 !important;
  margin-top: 8px !important;
  box-sizing: border-box;
  position: relative !important;
  z-index: 1 !important;
  flex-shrink: 0 !important;
}

#qrModal #qrSessionId {
  font-weight: 700;
  color: #0ea5e9;
  font-family: 'Courier New', monospace;
  font-size: 14px;
}

/* Hint text debajo del QR */
#qrModal .modal-body .hint {
  text-align: center;
  font-size: 13px;
  color: #64748b;
  line-height: 1.5;
  max-width: 300px;
  margin: 0 !important;
  margin-top: 4px !important;
  position: relative !important;
  z-index: 1 !important;
  flex-shrink: 0 !important;
}

/* Modal actions centradas */
#qrModal .modal-actions {
  justify-content: center !important;
  padding: 16px 28px 20px !important;
}

/* QR modal responsive moved to responsive.css */
@media (max-width: 520px) {
  /* QR modal specific styles in responsive.css */
  
  #qrModal .modal-content { 
    max-width: 95vw;
    width: 95vw;
  }
  
  #qrModal .modal-header { 
    padding: 16px 18px 14px;
  }
  
  #qrModal .modal-header h3 {
    font-size: 18px;
  }
  
  #qrModal .modal-body { 
    padding: 20px 18px !important;
    gap: 14px !important;
  }
  
  #qrModal #qrCodeContainer { 
    width: 220px !important; 
    min-height: 220px !important;
  }
  
  #qrModal #qrCodeContainer canvas {
    width: 220px !important;
    height: 220px !important;
  }
  
  #qrModal #qrSessionIdRow {
    max-width: 100%;
    font-size: 12px;
    padding: 8px 10px;
  }
  
  #qrModal #qrSessionId {
    font-size: 13px;
  }
  
  #qrModal .modal-body .hint {
    font-size: 12px;
    max-width: 100%;
  }
  
  #qrModal .modal-actions { 
    padding: 14px 18px 18px !important;
  }
  
  #qrModal .modal-actions button {
    width: 100%;
    padding: 14px 20px;
  }
}

/* ====== Tutor controls: grid 2x2 moved to responsive.css ====== */
@media (max-width: 520px) {
  /* Tutor controls grid in responsive.css */
  #sessionInfo > .tutor-controls:not(#tutorPlayback) {
    /* Styles in responsive.css */
    grid-template-columns: 1fr 1fr !important;
    grid-auto-rows: auto;
    gap: 10px !important;
    align-items: stretch;
    justify-items: stretch;
  }

  /* Start Exercise spans full width on first row */
  #sessionInfo > .tutor-controls:not(#tutorPlayback) #startExercise {
    grid-column: 1 / -1 !important;
    width: 100% !important;
    min-width: 0 !important;
  }

  /* Ensure the four action buttons fill the grid cells uniformly */
  #sessionInfo > .tutor-controls:not(#tutorPlayback) #tutorStopAll,
  #sessionInfo > .tutor-controls:not(#tutorPlayback) #tutorNewExercise,
  #sessionInfo > .tutor-controls:not(#tutorPlayback) #tutorNewSession,
  #sessionInfo > .tutor-controls:not(#tutorPlayback) #stopSession {
    width: 100% !important;
    min-width: 0 !important;
    flex: 0 0 auto !important; /* neutralize previous flex rules */
  }

  /* Neutralize earlier mobile rule that forced flex sizing */
  #sessionInfo > .tutor-controls:not(#tutorPlayback) button {
    flex: initial !important;
    min-width: 0 !important;
  }

  /* No forzar display en móvil; solo ajustar dirección cuando esté activo */
  #sessionInfo > #tutorPlayback.is-active {
    flex-direction: column !important;
  }

  /* And restore its inner actions row/buttons exactly as before */
  #sessionInfo > #tutorPlayback .actions {
    display: flex !important;
    flex-wrap: wrap !important;
    gap: 8px !important;
    margin-left: auto;
    align-items: center;
    justify-content: center; /* centrar el grupo de botones */
  }
  #sessionInfo > #tutorPlayback .actions button {
    width: auto !important;
    flex: 0 0 auto !important;
    min-width: 150px !important;
  }

  /* --- Align Reproducir y Siguiente en la misma fila (solo móvil) --- */
  #sessionInfo > #tutorPlayback .actions #tutorPlayWord,
  #sessionInfo > #tutorPlayback .actions #tutorNextWord {
    flex: 1 1 calc(50% - 8px) !important; /* 2 por fila, mismas dimensiones */
    min-width: 0 !important;
    order: 1;
    display: inline-flex;           /* igualar alto y centrar contenido */
    align-items: center;
    justify-content: center;
    padding: 14px 16px !important;  /* mismo padding para ambos */
    height: 48px !important;        /* misma altura visual */
    box-sizing: border-box;
  }

  /* 'Auto' y 'Delay' juntos en la segunda fila (50% + 50%) */
  #sessionInfo > #tutorPlayback .actions label.inline { 
    flex: 1 1 calc(50% - 8px) !important; 
    min-width: 0 !important; 
    order: 2; 
    display: flex !important; 
    align-items: center; 
    justify-content: flex-start; 
  }
  #sessionInfo > #tutorPlayback .actions #autoDelay { 
    flex: 1 1 calc(50% - 8px) !important; 
    min-width: 0 !important; 
    order: 2; 
  }
  /* 'Resp' queda debajo en la tercera fila */
  #sessionInfo > #tutorPlayback .actions #tutorResponses { 
    flex: 1 1 100% !important; 
    min-width: 0 !important; 
    order: 3; 
  }

  /* === Auto + Delay por encima del progreso: misma línea === */
  #autoControlsRow {
    display: grid !important;
    grid-template-columns: 1fr 1fr;
    width: 100%;
    gap: 8px;
    align-items: center;
    margin: 2px 0 6px 0;
    box-sizing: border-box;
  }
  #autoControlsRow label.inline {
    display: flex;
    align-items: center;
    gap: 6px;
    margin: 0;
    min-width: 0; /* allow shrinking */
  }
  #autoControlsRow #autoDelay {
    width: 100%;
    min-width: 0;
    max-width: 100%;
    box-sizing: border-box;
  }

  /* Mantener barra de progreso y contador en la misma fila */
  #sessionInfo > #tutorPlayback .row-top .progress-row {
    display: flex !important;
    flex-direction: row !important;
    align-items: center !important;
    gap: 8px !important;
    width: 100% !important;
  }
  #sessionInfo > #tutorPlayback .row-top .progress {
    flex: 1 1 auto !important;
  }
  #sessionInfo > #tutorPlayback .row-top #tutorOverallProgressText {
    white-space: nowrap;
  }

  /* Centrado perfecto de los botones: eliminar columna izquierda vacía y expandir acciones */
  #sessionInfo > #tutorPlayback .row-bottom .left { 
    display: none !important; 
  }
  #sessionInfo > #tutorPlayback .row-bottom .actions { 
    margin-left: 0 !important; 
    width: 100% !important; 
    justify-content: center !important; 
  }
}

/* Apariencia cuando el select está deshabilitado por Auto apagado */
select.is-disabled {
  opacity: 0.6;
  cursor: not-allowed;
}