@import url('https://fonts.googleapis.com/css2?family=Barlow+Condensed:wght@600;700&family=Inter:wght@400;500;600;700&family=IBM+Plex+Mono:wght@500&display=swap');

:root {
  --bg: #12161b;
  --bg-elevated: #1a2028;
  --card: #1c232c;
  --card-border: #2a323d;
  --text: #eef1f4;
  --text-dim: #9aa5b1;
  --accent: #ff8a3d;
  --accent-dim: #7a4520;
  --verde: #59c27a;
  --verde-bg: rgba(89, 194, 122, 0.12);
  --amarillo: #f2c14e;
  --amarillo-bg: rgba(242, 193, 78, 0.12);
  --rojo: #ef5b5b;
  --rojo-bg: rgba(239, 91, 91, 0.14);
  --radius: 10px;
  --font-display: 'Barlow Condensed', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'IBM Plex Mono', monospace;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  background-image:
    linear-gradient(180deg, rgba(255,138,61,0.05), transparent 220px);
  color: var(--text);
  font-family: var(--font-body);
  min-height: 100vh;
}

::selection { background: var(--accent); color: #1a1000; }

/* ---------- Top bar ---------- */
.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 22px;
  background: rgba(18, 22, 27, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 3px solid var(--accent);
  box-shadow: 0 2px 0 rgba(0,0,0,0.4);
}

.topbar-left { display: flex; align-items: baseline; gap: 14px; }

.topbar h1 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 26px;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  margin: 0;
  color: var(--text);
}

.contador {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--accent);
  border: 1px solid var(--accent-dim);
  padding: 3px 10px;
  border-radius: 999px;
  background: rgba(255, 138, 61, 0.08);
}

.topbar-right { display: flex; gap: 10px; }

/* ---------- Buttons ---------- */
.btn {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 14px;
  border-radius: 8px;
  padding: 9px 16px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.06s ease, background 0.15s ease, border-color 0.15s ease;
}
.btn:active { transform: scale(0.97); }

.btn-primary {
  background: var(--accent);
  color: #1a1000;
}
.btn-primary:hover { background: #ff9c5c; }

.btn-ghost {
  background: transparent;
  color: var(--text);
  border-color: var(--card-border);
}
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }

.btn-danger {
  background: transparent;
  color: var(--rojo);
  border-color: var(--rojo);
}
.btn-danger:hover { background: var(--rojo-bg); }

.btn-icon {
  background: transparent;
  border: none;
  color: var(--text-dim);
  font-size: 18px;
  cursor: pointer;
}

.btn-explicacion {
  align-self: flex-start;
  background: var(--bg-elevated);
  color: var(--accent);
  border: 1px dashed var(--accent-dim);
  font-family: var(--font-mono);
  font-size: 12.5px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 7px 12px;
  border-radius: 6px;
  cursor: pointer;
  margin: 10px 0 6px 0;
}
.btn-explicacion:hover { border-color: var(--accent); background: rgba(255,138,61,0.1); }

/* ---------- Filtros (panel lateral) ---------- */
.panel-filtros {
  position: fixed;
  top: 0;
  right: 0;
  height: 100vh;
  width: 340px;
  max-width: 90vw;
  background: var(--bg-elevated);
  border-left: 1px solid var(--card-border);
  z-index: 40;
  padding: 20px;
  overflow-y: auto;
  transition: transform 0.25s ease;
}
.panel-filtros.hidden { transform: translateX(100%); }

.panel-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 8px; }
.panel-header h2 { font-family: var(--font-display); text-transform: uppercase; font-size: 20px; margin: 0; }

.filtro-bloque { margin: 20px 0; }
.filtro-bloque h3 {
  font-family: var(--font-mono);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-dim);
  margin-bottom: 10px;
}
.ayuda { font-size: 12px; color: var(--text-dim); margin: -4px 0 10px 0; }

.chips { display: flex; flex-direction: column; gap: 8px; }
.chip {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  border-radius: 8px;
  font-size: 14px;
  cursor: pointer;
  border: 1px solid var(--card-border);
}
.chip-verde { border-color: var(--verde); }
.chip-verde input:checked + * {}
.chip-amarillo { border-color: var(--amarillo); }
.chip-rojo { border-color: var(--rojo); }

.lista-check { display: flex; flex-direction: column; gap: 6px; max-height: 260px; overflow-y: auto; }
.lista-check label {
  display: flex;
  gap: 8px;
  align-items: flex-start;
  font-size: 13.5px;
  color: var(--text);
  cursor: pointer;
  padding: 4px 2px;
}
.lista-check label.subtema-item { color: var(--text-dim); padding-left: 14px; font-size: 13px; }

.panel-footer { display: flex; gap: 10px; margin-top: 24px; }

.overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,0.5); z-index: 30;
}
.hidden { display: none !important; }

/* ---------- Lista de preguntas (scroll continuo) ---------- */
.lista-preguntas {
  max-width: 760px;
  margin: 0 auto;
  padding: 28px 18px 120px 18px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.pregunta-card {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-left: 5px solid var(--text-dim);
  border-radius: var(--radius);
  padding: 18px 20px;
  animation: fadeIn 0.25s ease;
}
.pregunta-card.nivel-verde { border-left-color: var(--verde); }
.pregunta-card.nivel-amarillo { border-left-color: var(--amarillo); }
.pregunta-card.nivel-rojo { border-left-color: var(--rojo); }

@keyframes fadeIn { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }

.pregunta-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 10px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  text-transform: uppercase;
  letter-spacing: 0.4px;
  color: var(--text-dim);
}

.badge-nivel {
  padding: 2px 9px;
  border-radius: 999px;
  font-weight: 600;
}
.badge-nivel.verde { background: var(--verde-bg); color: var(--verde); }
.badge-nivel.amarillo { background: var(--amarillo-bg); color: var(--amarillo); }
.badge-nivel.rojo { background: var(--rojo-bg); color: var(--rojo); }

.meta-tema::before { content: "· "; }
.meta-subtema::before { content: "· "; }

.badge-tag {
  background: rgba(255,138,61,0.12);
  color: var(--accent);
  padding: 2px 8px;
  border-radius: 6px;
}
.badge-tag:empty { display: none; }

.pregunta-texto {
  font-size: 16.5px;
  line-height: 1.5;
  margin: 0 0 4px 0;
  color: var(--text);
}

.explicacion-box {
  background: var(--bg-elevated);
  border: 1px solid var(--card-border);
  border-radius: 8px;
  padding: 14px 16px;
  margin: 4px 0 14px 0;
  font-size: 14px;
  line-height: 1.6;
  color: #d7dde3;
}
.explicacion-box p { margin: 0 0 10px 0; }
.explicacion-box p:last-child { margin-bottom: 0; }

.opciones-lista { display: flex; flex-direction: column; gap: 8px; margin-top: 10px; }

.opcion {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 10px 12px;
  border-radius: 8px;
  border: 1px solid var(--card-border);
  background: var(--bg-elevated);
  cursor: pointer;
  font-size: 14.5px;
  line-height: 1.4;
  transition: border-color 0.15s ease, background 0.15s ease;
}
.opcion:hover:not(.respondida) { border-color: var(--accent); }
.opcion .letra {
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--text-dim);
  min-width: 18px;
}

.opcion.correcta { border-color: var(--verde); background: var(--verde-bg); }
.opcion.correcta .letra { color: var(--verde); }
.opcion.incorrecta { border-color: var(--rojo); background: var(--rojo-bg); }
.opcion.incorrecta .letra { color: var(--rojo); }
.opcion.respondida { cursor: default; }
.opcion.deshabilitada { opacity: 0.55; }

.resultado {
  margin-top: 10px;
  font-size: 13.5px;
  font-weight: 600;
  font-family: var(--font-mono);
}
.resultado.ok { color: var(--verde); }
.resultado.fail { color: var(--rojo); }

.sentinel { height: 1px; }

/* ---------- Modal resumen ---------- */
.modal {
  position: fixed; inset: 0; z-index: 50;
  background: rgba(0,0,0,0.6);
  display: flex; align-items: center; justify-content: center;
}
.modal-content {
  background: var(--bg-elevated);
  border: 1px solid var(--card-border);
  border-radius: 12px;
  padding: 24px;
  width: 360px;
  max-width: 90vw;
}
.modal-content h2 { font-family: var(--font-display); text-transform: uppercase; margin-top: 0; }
.modal-actions { display: flex; justify-content: space-between; margin-top: 20px; }

#resumenContenido .linea {
  display: flex; justify-content: space-between; padding: 6px 0;
  border-bottom: 1px solid var(--card-border);
  font-size: 14px;
}
#resumenContenido .linea:last-child { border-bottom: none; }

@media (max-width: 640px) {
  .topbar h1 { font-size: 21px; }
  .lista-preguntas { padding: 18px 12px 100px 12px; }
}

/* ---------- Edición de preguntas ---------- */
.btn-editar {
  margin-left: auto;
  background: transparent;
  border: 1px solid var(--card-border);
  color: var(--text-dim);
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.4px;
  padding: 3px 9px;
  border-radius: 6px;
  cursor: pointer;
}
.btn-editar:hover { border-color: var(--accent); color: var(--accent); }

.pregunta-imagen {
  max-width: 100%;
  border-radius: 8px;
  margin-bottom: 12px;
  border: 1px solid var(--card-border);
  display: block;
}

.form-edicion {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 6px;
}
.form-edicion label {
  display: flex;
  flex-direction: column;
  gap: 5px;
  font-size: 12.5px;
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.4px;
  color: var(--text-dim);
}
.form-edicion input[type="text"],
.form-edicion select,
.form-edicion textarea {
  font-family: var(--font-body);
  font-size: 14px;
  text-transform: none;
  letter-spacing: normal;
  background: var(--bg);
  border: 1px solid var(--card-border);
  border-radius: 7px;
  padding: 9px 11px;
  color: var(--text);
  resize: vertical;
}
.form-edicion input:focus,
.form-edicion select:focus,
.form-edicion textarea:focus {
  outline: none;
  border-color: var(--accent);
}

.edit-opciones-lista, .nueva-opciones-lista {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.edit-opcion, .edit-opcion-nueva {
  display: flex;
  align-items: center;
  gap: 8px;
}
.edit-opcion-texto, .edit-opcion-texto-nueva {
  flex: 1;
  font-family: var(--font-body);
  font-size: 14px;
  background: var(--bg);
  border: 1px solid var(--card-border);
  border-radius: 7px;
  padding: 8px 10px;
  color: var(--text);
}
.btn-quitar-opcion {
  color: var(--rojo);
  font-size: 15px;
}

.imagen-editor {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}
.edit-imagen-preview, .nueva-imagen-preview {
  max-height: 70px;
  border-radius: 6px;
  border: 1px solid var(--card-border);
}

.form-edicion-error, .form-nueva-error {
  color: var(--rojo);
  font-size: 13px;
  background: var(--rojo-bg);
  border: 1px solid var(--rojo);
  border-radius: 7px;
  padding: 8px 10px;
}

.form-edicion-acciones {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

/* ---------- Botón flotante añadir pregunta ---------- */
.fab {
  position: fixed;
  right: 26px;
  bottom: 26px;
  z-index: 25;
  width: 54px;
  height: 54px;
  border-radius: 50%;
  background: var(--accent);
  color: #1a1000;
  font-size: 28px;
  line-height: 1;
  border: none;
  cursor: pointer;
  box-shadow: 0 6px 18px rgba(255, 138, 61, 0.35);
}
.fab:hover { background: #ff9c5c; }

.modal-ancho { width: 520px; max-height: 88vh; overflow-y: auto; }

/* ---------- Cantidad de preguntas ---------- */
.select-cantidad {
  width: 100%;
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--card-border);
  border-radius: 7px;
  padding: 9px 11px;
  font-family: var(--font-body);
  font-size: 14px;
}
.select-cantidad:focus { outline: none; border-color: var(--accent); }

/* ---------- Aviso de "por revisar" ---------- */
.badge-revisar {
  background: var(--amarillo-bg);
  color: var(--amarillo);
  padding: 2px 9px;
  border-radius: 999px;
  font-weight: 600;
}

.aviso-revisar {
  background: var(--amarillo-bg);
  border: 1px solid var(--amarillo);
  border-radius: 8px;
  padding: 10px 14px;
  margin-bottom: 12px;
  font-size: 13.5px;
  color: var(--text);
}
.aviso-revisar strong { color: var(--amarillo); }
.aviso-revisar-bruto { margin-top: 8px; }
.aviso-revisar-bruto summary {
  cursor: pointer;
  color: var(--text-dim);
  font-size: 12.5px;
  font-family: var(--font-mono);
}
.aviso-revisar-bruto pre {
  white-space: pre-wrap;
  font-size: 12px;
  color: var(--text-dim);
  background: var(--bg);
  border-radius: 6px;
  padding: 8px 10px;
  margin-top: 6px;
  max-height: 220px;
  overflow-y: auto;
}

.aviso-revisar-edicion {
  background: var(--amarillo-bg);
  border: 1px solid var(--amarillo);
  border-radius: 8px;
  padding: 10px 14px;
  font-size: 13.5px;
}
.aviso-revisar-edicion p { margin: 0 0 8px 0; }
.check-linea {
  display: flex !important;
  flex-direction: row !important;
  align-items: center;
  gap: 8px;
  text-transform: none !important;
  font-family: var(--font-body) !important;
  font-size: 14px !important;
  color: var(--text) !important;
}

/* ---------- PWA: safe areas y avisos ---------- */
:root {
  box-sizing: border-box;
}
html {
  scroll-padding-top: env(safe-area-inset-top, 0px);
}
body {
  padding-top: env(safe-area-inset-top, 0px);
  padding-bottom: env(safe-area-inset-bottom, 0px);
}
.topbar {
  padding-top: calc(14px + env(safe-area-inset-top, 0px));
}

.aviso-offline {
  position: sticky;
  top: 0;
  z-index: 15;
  background: var(--amarillo-bg);
  color: var(--amarillo);
  text-align: center;
  font-size: 12.5px;
  font-family: var(--font-mono);
  padding: 6px 10px;
}

.aviso-banco {
  position: fixed;
  left: 50%;
  bottom: calc(20px + env(safe-area-inset-bottom, 0px));
  transform: translateX(-50%);
  z-index: 60;
  background: var(--bg-elevated);
  border: 1px solid var(--accent);
  color: var(--text);
  padding: 10px 16px;
  border-radius: 10px;
  font-size: 13.5px;
  max-width: 90vw;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
}
.aviso-banco.aviso-banco-error {
  border-color: var(--rojo);
  color: var(--rojo);
}

/* ---------- Ajustes ---------- */
.ajustes-bloque {
  border-top: 1px solid var(--card-border);
  padding-top: 16px;
  margin-top: 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.ajustes-bloque:first-of-type {
  border-top: none;
  padding-top: 0;
  margin-top: 0;
}
.ajustes-bloque h3 {
  font-family: var(--font-mono);
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-dim);
  margin: 0;
}
.ajustes-bloque label {
  display: flex;
  flex-direction: column;
  gap: 5px;
  font-size: 12.5px;
  font-family: var(--font-mono);
  text-transform: uppercase;
  color: var(--text-dim);
}
.ajustes-bloque input[type="text"],
.ajustes-bloque input[type="password"] {
  font-family: var(--font-body);
  text-transform: none;
  font-size: 14px;
  background: var(--bg);
  border: 1px solid var(--card-border);
  border-radius: 7px;
  padding: 9px 11px;
  color: var(--text);
}
.ajustes-acciones {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}
.btn-archivo {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  text-transform: none !important;
  font-family: var(--font-body) !important;
  font-size: 14px !important;
}
.input-archivo-oculto {
  display: none;
}