:root {
  --bs-navy: #132d52;
  --bs-blue: #285a97;
  --bs-blue-light: #d9eafa;
  --bs-cream: #fbfbf4;
  --bs-yellow: #f4c542;
  --bs-green: #319b51;
  --bs-red: #c93c43;
  --bs-water: #87bce7;
  --bs-border: #d3dce8;
  --bs-ink: #26364a;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: linear-gradient(135deg, #fbfbf4 0%, #f1f5f8 100%);
  font-family: "Josefin Sans", Arial, sans-serif;
  color: var(--bs-ink);
}

button,
input,
select { font: inherit; }

.cr-battleship-wrap {
  width: 100%;
  padding: 7px 8px;
}

.cr-battleship-card {
  width: min(1600px, 100%);
  margin: 0 auto;
  background: #fff;
  border: 1px solid #d7e0ea;
  border-radius: 12px;
  box-shadow: 0 6px 18px rgba(19, 45, 82, .11);
  overflow: hidden;
}

.cr-battleship-head {
  display: flex;
  gap: 16px;
  align-items: center;
  justify-content: space-between;
  padding: 9px 16px;
  background: linear-gradient(115deg, var(--bs-navy), var(--bs-blue));
  color: #fff;
}

.bs-head-copy { min-width: 240px; }

.eyebrow {
  margin: 0 0 2px;
  font-size: 8px;
  letter-spacing: .8px;
  font-weight: 800;
  color: #f9d767;
}

.cr-battleship-head h1 {
  margin: 0;
  font-size: clamp(18px, 1.8vw, 25px);
  line-height: 1;
}

.subtitulo {
  margin: 3px 0 0;
  font-size: 10px;
  color: #e9f1fb;
}

.cr-battleship-controls {
  display: grid;
  grid-template-columns: minmax(220px, 1fr) auto auto;
  gap: 5px;
  align-items: end;
  min-width: min(660px, 60%);
}

.cr-battleship-controls label {
  grid-column: 1 / -1;
  font-size: 9px;
  font-weight: 800;
  color: #f8fbff;
}

.cr-battleship-controls select {
  min-width: 0;
  padding: 7px 9px;
  border: 1px solid #b8cbe0;
  border-radius: 6px;
  color: var(--bs-ink);
  background: #fff;
  font-size: 11px;
}

.cr-battleship-controls button,
.bs-disparar {
  border: 0;
  border-radius: 6px;
  padding: 7px 10px;
  font-size: 11px;
  font-weight: 800;
  cursor: pointer;
  white-space: nowrap;
}

.cr-battleship-controls button:first-of-type { background: #44a85a; color: #fff; }
.cr-battleship-controls button:last-of-type { background: #fff; color: var(--bs-navy); }
button:disabled { opacity: .48; cursor: not-allowed; }

.estado {
  padding: 5px 16px;
  background: var(--bs-blue-light);
  font-size: 10px;
  font-weight: 800;
  color: var(--bs-navy);
  text-align: center;
}

.resumen-final {
  display: flex;
  gap: 7px;
  align-items: center;
  flex-wrap: wrap;
  padding: 5px 14px;
  background: #e9f7ec;
  border-bottom: 1px solid #a9d7b0;
  color: #1d6430;
  font-size: 10px;
}

.resumen-final strong { font-size: 12px; }
.resumen-final #bs-resumen-guardado { font-weight: 800; color: #1d6430; }
.resumen-final.guardando #bs-resumen-guardado { color: #8a6a1b; }
.resumen-final.error #bs-resumen-guardado { color: #962a31; }

.cr-battleship-layout {
  display: grid;
  grid-template-columns: 250px minmax(560px, 1fr) 270px;
  justify-content: space-between;
  gap: 16px;
  padding: 10px 16px 14px;
  align-items: start;
}

.bs-panel-lateral,
.bs-panel-derecho {
  display: flex;
  flex-direction: column;
  gap: 7px;
  min-width: 0;
}

.bs-pregunta-panel,
.bs-identidad,
.bs-instrucciones,
.bs-marcador-panel,
.bs-resumen-lateral {
  border: 1px solid var(--bs-border);
  border-radius: 8px;
  background: #fff;
  overflow: hidden;
}

.bs-panel-title {
  padding: 7px 9px;
  background: var(--bs-yellow);
  font-size: 12px;
  font-weight: 900;
  color: #4c3a00;
}

.bs-pregunta-ayuda {
  padding: 5px 9px 0;
  margin: 0;
  font-size: 9px;
  color: #5f6e7f;
  line-height: 1.15;
}

.bs-pregunta {
  min-height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 7px 8px;
  font-size: 16px;
  line-height: 1.05;
  text-align: center;
  font-weight: 900;
  color: var(--bs-navy);
}

.bs-opciones {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4px;
  padding: 0 8px 6px;
}

.bs-opcion {
  min-height: 34px;
  padding: 6px 6px;
  border: 1px solid #c8d3df;
  border-radius: 6px;
  background: #fff;
  cursor: pointer;
  color: var(--bs-navy);
  font-size: 11px;
  font-weight: 800;
}

.bs-opcion:hover:not(:disabled) { border-color: var(--bs-blue); background: #eef6ff; }
.bs-opcion.correcta { border-color: var(--bs-green); background: #dff2e3; color: #236b32; }
.bs-opcion.incorrecta { border-color: var(--bs-red); background: #fde5e5; color: #9b272d; }

.bs-feedback {
  min-height: 19px;
  margin: 0 8px 6px;
  padding: 5px;
  border-radius: 4px;
  font-size: 9px;
  line-height: 1.18;
  font-weight: 800;
}

.bs-feedback.ok { background: #e4f6e7; color: #226b32; }
.bs-feedback.error { background: #fde6e6; color: #962a31; }

.bs-identidad,
.bs-instrucciones,
.bs-records { padding: 7px 8px; }

.bs-records {
  border: 1px solid var(--bs-border);
  border-radius: 8px;
  background: #fff;
}
.bs-records h2 { margin: 0 0 5px; font-size: 12px; color: var(--bs-navy); }
.bs-records button {
  width: 100%;
  border: 0;
  border-radius: 6px;
  padding: 6px 8px;
  background: var(--bs-yellow);
  color: #4c3a00;
  font-size: 10px;
  font-weight: 800;
  cursor: pointer;
}
.bs-records button:hover { background: #e8b93f; }
.bs-records-estado { min-height: 13px; margin: 5px 0 0; color: #61748b; font-size: 9px; line-height: 1.25; }
.bs-ranking { margin: 4px 0 0; padding-left: 16px; font-size: 9px; line-height: 1.35; color: #49617b; }
.bs-ranking:empty { display: none; }
.bs-ranking li { padding: 1px 0; }
.bs-ranking strong { color: var(--bs-navy); }

.bs-identidad {
  display: grid;
  grid-template-columns: 65px minmax(0, 1fr);
  column-gap: 7px;
  row-gap: 1px;
  align-items: center;
}

.bs-identidad h2,
.bs-instrucciones h2,
.bs-tablero-panel h2,
.bs-marcador-panel h2 {
  margin: 0 0 5px;
  font-size: 12px;
  color: var(--bs-navy);
}

.bs-identidad h2 { grid-column: 1 / -1; }
.bs-identidad label { margin-top: 2px; font-size: 8px; font-weight: 800; }
.bs-identidad input {
  width: 100%;
  padding: 3px 4px;
  border: 0;
  border-bottom: 1px solid #aab8c7;
  outline: none;
  background: #fbfcff;
  font-size: 10px;
}
.bs-identidad input:focus { border-bottom: 2px solid var(--bs-blue); }

.bs-instrucciones ol {
  margin: 0;
  padding-left: 14px;
  font-size: 9px;
  line-height: 1.25;
}

.bs-zona-juego { min-width: 0; }
.bs-flotas { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; width: 100%; max-width: 920px; margin: 0 auto; }
.bs-tablero-panel { min-width: 0; }
.bs-tablero-panel h2 { text-align: center; margin-bottom: 4px; font-size: 15px; }
.bs-ayuda-tablero { min-height: 13px; margin: 0 0 6px; color: #61748b; font-size: 10px; text-align: center; }

.bs-tablero {
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  gap: 3px;
  width: 100%;
  max-width: 440px;
  aspect-ratio: 1 / 1;
  margin: 0 auto;
  padding: 3px;
  border: 4px solid var(--bs-navy);
  border-radius: 8px;
  background: var(--bs-navy);
}

.bs-casilla {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 0;
  border: 1px solid #7895b5;
  border-radius: 4px;
  background: #294e7b;
  cursor: pointer;
  color: #fff;
  font-size: 10px;
  font-weight: 900;
  letter-spacing: .2px;
}

.bs-casilla:hover:not(:disabled) { background: #3c6da5; }
.bs-casilla.agua { background: var(--bs-water); color: #fff; }
.bs-casilla.tocado { background: var(--bs-yellow); color: #4c3a00; }
.bs-casilla.hundido { background: #7d7d7d; color: #fff; }
.bs-casilla.barco-propio { background: #2f8f5b; border-color: #8bd3a6; color: #fff; }
.bs-casilla.barco-propio:hover:not(:disabled) { background: #3aa86b; }
.bs-casilla.seleccionada { outline: 2px solid #fff; box-shadow: 0 0 0 3px #f4c542; z-index: 2; }
.bs-casilla:disabled { cursor: default; }

.bs-leyenda { display: flex; justify-content: center; gap: 6px; flex-wrap: wrap; margin-top: 3px; font-size: 8px; font-weight: 800; }
.bs-leyenda span { display: inline-flex; align-items: center; gap: 2px; }
.bs-leyenda span:before { content: ""; width: 8px; height: 8px; border-radius: 2px; background: #294e7b; }
.bs-leyenda .agua:before { background: var(--bs-water); }
.bs-leyenda .tocado:before { background: var(--bs-yellow); }
.bs-leyenda .hundido:before { background: #7d7d7d; }
.bs-estado-flota { margin-top: 3px; color: #5b6e84; font-size: 9px; font-weight: 800; text-align: center; }

.bs-marcador-panel { padding: 7px; }
.bs-marcador-panel h2 { text-align: center; }
.bs-marcador { display: grid; grid-template-columns: 1fr 1fr; gap: 3px; }
.bs-marcador span { padding: 4px 3px; border-radius: 4px; background: #f4f8fc; color: #49617b; font-size: 8px; text-align: center; }
.bs-marcador strong { display: block; font-size: 14px; color: var(--bs-navy); }
.bs-turno { min-height: 36px; padding: 7px; border-radius: 6px; background: #eef5fc; color: var(--bs-navy); font-size: 9px; line-height: 1.2; font-weight: 800; text-align: center; }
.bs-disparar { width: 100%; background: var(--bs-green); color: #fff; }
.bs-resumen-lateral { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: var(--bs-border); }
.bs-resumen-lateral div { padding: 5px 3px; background: #f7faff; text-align: center; }
.bs-resumen-lateral span,
.bs-resumen-lateral strong { display: block; }
.bs-resumen-lateral span { font-size: 8px; color: #61748b; }
.bs-resumen-lateral strong { margin-top: 1px; font-size: 10px; color: var(--bs-navy); }
.bs-nota { margin: 0; padding: 0 2px; color: #6c7b8c; font-size: 8px; line-height: 1.2; }
code { font-family: monospace; }

@media (max-width: 1400px) {
  .bs-tablero { max-width: 380px; }
  .bs-flotas { max-width: 800px; gap: 18px; }
}

@media (max-width: 1200px) {
  .cr-battleship-layout { grid-template-columns: 220px minmax(0, 1fr) 240px; gap: 12px; padding-left: 10px; padding-right: 10px; }
  .cr-battleship-head { padding-left: 12px; padding-right: 12px; }
  .cr-battleship-controls { min-width: 0; }
  .bs-tablero { max-width: 320px; }
  .bs-flotas { max-width: 680px; gap: 14px; }
}

@media (max-width: 900px) {
  .cr-battleship-head { align-items: stretch; flex-direction: column; gap: 7px; }
  .cr-battleship-controls { width: 100%; grid-template-columns: 1fr 1fr; }
  .cr-battleship-controls label,
  .cr-battleship-controls select { grid-column: 1 / -1; }
  .cr-battleship-layout { grid-template-columns: 1fr 1fr; }
  .bs-zona-juego { grid-column: 1 / -1; grid-row: 1; }
  .bs-panel-lateral { grid-column: 1; }
  .bs-panel-derecho { grid-column: 2; }
  .bs-tablero { max-width: 400px; }
  .bs-flotas { max-width: 860px; gap: 20px; }
}

@media (max-width: 560px) {
  .cr-battleship-wrap { padding: 3px 0; }
  .cr-battleship-card { border-radius: 0; }
  .cr-battleship-head { padding: 9px; }
  .cr-battleship-head h1 { font-size: 21px; }
  .subtitulo { font-size: 10px; }
  .cr-battleship-layout { display: flex; flex-direction: column; padding: 6px; }
  .bs-zona-juego { order: 1; width: 100%; }
  .bs-panel-lateral { order: 2; width: 100%; }
  .bs-panel-derecho { order: 3; width: 100%; }
  .bs-flotas { gap: 8px; max-width: 100%; }
  .bs-tablero { max-width: 260px; }
  .bs-casilla { font-size: 8px; }
  .bs-marcador { grid-template-columns: repeat(4, 1fr); }
  .bs-marcador span { font-size: 7px; }
  .bs-marcador strong { font-size: 12px; }
  .estado { padding-left: 8px; padding-right: 8px; }
  .resumen-final { padding-left: 8px; padding-right: 8px; }
}