* {
  box-sizing: border-box;
  font-family: 'Lucida Sans', 'Lucida Sans Regular', 'Lucida Grande', 'Lucida Sans Unicode', Geneva, Verdana, sans-serif;
  padding: 0;
  margin: 0;
}

body {
  background-image: linear-gradient(to right, #51ce89 20%, #ebe665 80%);
}

/* Header */

.cabecera {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 1.8rem;
  font-size: 0.65rem;
  letter-spacing: 0.1rem;
}

.title {
  display: block;
}

.lista-enlaces {
  list-style: none;
}

.enlace-proyecto {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  text-decoration: none;
  font-weight: bold;
  color: #212121;
}

.logo-github {
  height: 3rem;
  width: 3rem;
}

/* DISPLAY NONE INICIAL */
.parar,
.tiempo-intermedio,
.continuar,
.tiempos-del-cronometro,
.formulario-tabla,
.tiempos-local-storage,
.contenedor-alerta
{
  display: none;
}

.contenedor-principal {
  display: flex;
  flex-wrap: wrap;
  gap: 1.8rem;
  padding: 2rem;
}

.contenedor-principal section {
  flex: 1 0 42vw;
  background-color: #26374c;
  padding: 1.6rem;
  border-radius: 2rem;
  color: #dfdfdf;
  text-align: center;
  width: 100%;
}

/* SECCION cronometro */
.cronometro {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

.reloj {
  font-size: 4.2rem;
  font-weight: bold;
  color: #73a3d3;
  display: flex;
  justify-content: center;
  gap: 0.3rem;
}

.minutos,
.segundos,
.milisegundos {
  display: flex;
  justify-content: center;
  align-items: center;
  font-family: 'DS-Digital', 'Lucida Sans', 'Lucida Sans Regular', 'Lucida Grande', 'Lucida Sans Unicode', Geneva, Verdana, sans-serif;
}

.reloj-botones button {
  background-color: #ffd43b;
  color: #26374c;
  border: none;
  border-radius: 0.75rem;
  padding: 0.55rem 1.2rem;
  margin: 0.3rem;
  font-size: 0.8rem;
  font-weight: bold;
  cursor: pointer;
  transition: background-color 0.3s ease, transform 0.2s ease;
}

.reloj-botones button:hover {
  background-color: #fab005;
  transform: translateY(-2px);
}

.reloj-botones button:active {
  transform: scale(0.96);
}

.formulario-tabla {
  padding: 1.5rem 0 1rem 0;
}

.formulario-mensaje {
  color: #f7d774;
  margin-bottom: 0.8rem;
}

.contenedor-input {
  position: relative;
  padding: 0.8rem;
}

.formulario-input {
  width: 100%;
  padding: 0.8rem 3.5rem 0.8rem 1.2rem;
  outline: none;
  font-size: 1rem;
  background-color: transparent;
  color: aliceblue;
  border: 0.1rem aliceblue solid;
  border-radius: 1rem;
}

.formulario-label {
  position: absolute;
  color: #c3c3c3;
  left: 2rem;
  transition: all 0.16s ease-in;
  top: 50%;
  transform: translateY(-50%);
}

.formulario-button {
  position: absolute;
  right: 1.5rem;
  border-radius: 0.6rem;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.2rem;
  width: 2rem;
  height: 2rem;
  border: 0.1rem solid #e3e3e3;
  outline: none;
  color: aliceblue;
  font-weight: bold;
  background-color: #3CB371;
}

.formulario-button:hover {
  background-color: #2E8B57;
  color: #c3c3c3;
  border: 0.1rem solid #c3c3c3;
}

.formulario-input:focus + .formulario-label,
.formulario-input:valid + .formulario-label {
  background-color: #26374c;
  color: aliceblue;
  padding: 0 0.6rem;
  font-size: 0.8rem;
  transform: translate(0.2rem, -2.1rem);
}

/* SECCION de tabla de tiempo */
.titulo-tabla {
  color: aliceblue;
  text-align: center;
}

.tabla-tiempos {
  width: 100%;
  margin: 1rem 0 1rem 0;
  border-collapse: collapse;
  background-color: transparent;
}

.cabezera-tabla th {
  color: #f7d774;
  padding: 0.75rem 1rem;
  font-size: 1rem;
  font-weight: 600;
  border-bottom: 1px solid rgba(255, 255, 255, 0.3);
  background-color: transparent;
  text-align: center;
}

.datos-tabla td {
  padding: 0.75rem 1rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  background-color: transparent;
  text-align: center;
}

.datos-tabla tr:hover td {
  background-color: rgba(255, 255, 255, 0.05);
}

/* SECCION historial de tiempos */
.tiempos-local-storage h2 {
  text-align: center;
  color: aliceblue;
}

.lista-historial {
  list-style: none;
  padding: 0;
  margin: 1rem 0;
}

.elementos-historial {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.5rem;
  padding: 1rem 0.75rem 1rem 0.75rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  background-color: transparent;
}

.elementos-historial:hover {
  background-color: rgba(255, 255, 255, 0.05);
}

.elemento-nombre {
  color: #f7d774;
  font-size: 1rem;
  text-align: left;
  font-weight: bold;
}

.elemento-mejor-tiempo {
  font-size: 0.7rem;
  color: rgba(255, 255, 255, 0.8);
}

.historial-botones {
  display: flex;
  gap: 0.5rem;
}

.elemento-ver,
.elemento-eliminar {
  background: transparent;
  color: inherit;
  padding: 0.25rem 0.75rem;
  border-radius: 4px;
  cursor: pointer;
  font-size: 0.85rem;
  transition: background-color 0.3s ease, border-color 0.3s ease;
}

.elemento-ver {
  color: #3CB371;
  border: 1px solid rgba(60, 179, 113, 0.4);
}

.elemento-ver:hover {
  background-color: rgba(60, 179, 113, 0.1);
  border-color: #3CB371;
}

.elemento-eliminar {
  color: #f95959;
  border: 1px solid rgba(249, 89, 89, 0.4);
}

.elemento-eliminar:hover {
  background-color: rgba(249, 89, 89, 0.1);
  border-color: #f95959;
}

/* ALERTA */
.contenedor-alerta {
  position: fixed;
  text-align: center;
  bottom: 1.5rem;
  left: 50%;
  transform: translateX(-50%);
  background-color: rgba(0, 0, 0, 0.8);
  color: #f7d774;
  padding: 0.8rem 1.5rem;
  border-radius: 1rem;
  font-size: 0.9rem;
  z-index: 1000;
  display: none;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

/* Media Queries */
@media (max-width: 480px) {
  html {
    font-size: 10px;
  }

  .elemento-mejor-tiempo {
    display: none;
  }
}