/* ==========================================================================
   Registro de horas de trabajo — estilos
   Tema oscuro, alto contraste, sin dependencias ni fuentes externas.
   ========================================================================== */

:root {
  --fondo:        #0f172a;
  --fondo-2:      #131f38;
  --superficie:   #1b2740;
  --superficie-2: #223050;
  --borde:        #33415c;
  --texto:        #f1f5f9;
  --texto-suave:  #a8b6cd;
  --texto-tenue:  #7f8fa9;
  --verde:        #22c55e;
  --verde-oscuro: #16a34a;
  --rojo:         #f2545b;
  --rojo-oscuro:  #d93b43;
  --ambar:        #fbbf24;
  --azul:         #60a5fa;
  --radio:        14px;
  --sombra:       0 10px 30px rgba(0, 0, 0, .35);
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background:
    radial-gradient(1100px 520px at 12% -12%, #1d2b4d 0%, transparent 62%),
    radial-gradient(900px 460px at 92% 4%, #1a3350 0%, transparent 58%),
    var(--fondo);
  color: var(--texto);
  font-family: "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;
  font-size: 17px;
  line-height: 1.55;
  min-height: 100vh;
}

.contenedor {
  width: min(1000px, 100% - 2.4rem);
  margin-inline: auto;
}

.visualmente-oculto {
  position: absolute;
  width: 1px; height: 1px;
  margin: -1px; padding: 0;
  overflow: hidden; clip: rect(0 0 0 0);
  white-space: nowrap; border: 0;
}

.oculto { display: none !important; }

/* ------------------------------------------------------------ cabecera */
.cabecera {
  padding: 2rem 0 1.4rem;
  border-bottom: 1px solid var(--borde);
  background: linear-gradient(180deg, rgba(34, 197, 94, .07), transparent);
}

.cabecera h1 {
  margin: 0;
  font-size: 1.75rem;
  letter-spacing: -.015em;
  display: flex;
  align-items: center;
  gap: .55rem;
}

.logo { font-size: 1.6rem; }

.lema {
  margin: .35rem 0 0;
  color: var(--texto-suave);
  font-size: 1.02rem;
  max-width: 62ch;
}

/* ------------------------------------------------------------ tarjetas */
.tarjeta {
  background: var(--superficie);
  border: 1px solid var(--borde);
  border-radius: var(--radio);
  box-shadow: var(--sombra);
  padding: 1.25rem;
}

main.contenedor { padding-bottom: 3rem; }

.aviso {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  margin-top: 1.25rem;
  padding: .7rem 1rem;
  border-radius: 10px;
  border: 1px solid #3c5480;
  background: rgba(96, 165, 250, .12);
  color: #d6e4fb;
  font-size: .93rem;
}

.aviso-alerta {
  border-color: #7a4a2a;
  background: rgba(251, 191, 36, .12);
  color: #fde6b0;
}

/* ------------------------------------------------------------ cronometro */
.cronometro {
  margin-top: 1.25rem;
  padding: 1.5rem;
  display: grid;
  gap: 1.15rem;
}

.cronometro-pantalla { text-align: center; }

.reloj {
  font-family: "Consolas", "SFMono-Regular", ui-monospace, monospace;
  font-size: clamp(3rem, 10vw, 4.6rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: .02em;
  font-variant-numeric: tabular-nums;
  color: var(--texto);
  transition: color .2s ease;
}

.reloj.activo { color: var(--verde); }

.estado {
  margin: .5rem 0 0;
  color: var(--texto-suave);
  font-size: .95rem;
}

.estado.activo { color: var(--verde); }

.cronometro-campos {
  display: grid;
  grid-template-columns: 1.7fr 1fr;
  gap: 1rem;
}

.campo { display: flex; flex-direction: column; gap: .35rem; min-width: 0; }

.campo label {
  font-size: .88rem;
  font-weight: 600;
  color: var(--texto-suave);
  letter-spacing: .01em;
}

.opcional { font-weight: 400; color: var(--texto-tenue); }

input[type="text"],
input[type="number"],
input[type="date"],
input[type="time"],
select {
  width: 100%;
  padding: .72rem .85rem;
  background: var(--fondo-2);
  border: 1px solid var(--borde);
  border-radius: 10px;
  color: var(--texto);
  font: inherit;
  font-size: 1rem;
  transition: border-color .15s ease, box-shadow .15s ease;
}

input::placeholder { color: #6b7b95; }

input:focus, select:focus, button:focus-visible, summary:focus-visible {
  outline: none;
  border-color: var(--verde);
  box-shadow: 0 0 0 3px rgba(34, 197, 94, .28);
}

/* el selector de fecha/hora nativo en tema oscuro */
input[type="date"], input[type="time"] { color-scheme: dark; }

/* ------------------------------------------------------------ botones */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  padding: .85rem 1.5rem;
  border: 1px solid transparent;
  border-radius: 11px;
  font: inherit;
  font-size: 1.02rem;
  font-weight: 650;
  color: #0b1220;
  background: var(--superficie-2);
  cursor: pointer;
  transition: transform .08s ease, filter .15s ease, background .15s ease;
}

.btn svg { width: 20px; height: 20px; fill: currentColor; }

.btn:hover:not(:disabled) { filter: brightness(1.09); }
.btn:active:not(:disabled) { transform: translateY(1px); }

/* Un boton apagado se pinta neutro: teñir de verde o rojo al 40% de opacidad
   dejaba un color sucio que parecia un error de diseño. */
.btn:disabled,
.btn-iniciar:disabled,
.btn-detener:disabled {
  background: var(--fondo-2);
  border-color: var(--borde);
  color: var(--texto-tenue);
  cursor: not-allowed;
  filter: none;
}

.btn:disabled svg { opacity: .6; }

.btn-iniciar { background: var(--verde); color: #07240f; }
.btn-iniciar:hover:not(:disabled) { background: var(--verde-oscuro); }

.btn-detener { background: var(--rojo); color: #2a0508; }
.btn-detener:hover:not(:disabled) { background: var(--rojo-oscuro); }

.btn-secundario {
  background: var(--superficie-2);
  border-color: var(--borde);
  color: var(--texto);
}

.btn-peligro-suave {
  background: transparent;
  border-color: #6b3a3f;
  color: #ffb3b8;
}
.btn-peligro-suave:hover { background: rgba(242, 84, 91, .14); }

.btn-fantasma {
  background: transparent;
  border-color: var(--borde);
  color: var(--texto-suave);
  font-weight: 600;
}
.btn-fantasma:hover { background: var(--superficie-2); color: var(--texto); }

.btn-pequeno { padding: .4rem .85rem; font-size: .88rem; }

.cronometro-botones {
  display: flex;
  gap: .75rem;
  flex-wrap: wrap;
}

.cronometro-botones .btn-iniciar,
.cronometro-botones .btn-detener { flex: 1 1 220px; }

.pista {
  margin: -.35rem 0 0;
  font-size: .85rem;
  color: var(--texto-tenue);
  text-align: center;
}

kbd {
  font-family: Consolas, ui-monospace, monospace;
  font-size: .8rem;
  background: var(--fondo-2);
  border: 1px solid var(--borde);
  border-bottom-width: 2px;
  border-radius: 5px;
  padding: .05rem .35rem;
  color: var(--texto-suave);
}

/* ------------------------------------------------------------ totales */
.totales {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-top: 1rem;
}

.total {
  display: flex;
  flex-direction: column;
  gap: .2rem;
  padding: 1rem 1.15rem;
}

.total-etiqueta {
  font-size: .84rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .07em;
  color: var(--texto-tenue);
}

.total-rango { text-transform: none; letter-spacing: 0; font-weight: 400; }

.total-valor {
  font-family: Consolas, ui-monospace, monospace;
  font-size: 1.85rem;
  font-variant-numeric: tabular-nums;
  line-height: 1.15;
}

.totales .total:nth-child(1) .total-valor { color: var(--verde); }
.totales .total:nth-child(2) .total-valor { color: var(--azul); }
.totales .total:nth-child(3) .total-valor { color: var(--ambar); }

.total-extra { font-size: .9rem; color: var(--texto-suave); }

/* ------------------------------------------------------------ herramientas */
.herramientas {
  margin-top: 1rem;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.campo-tarifa { max-width: 260px; flex: 1 1 220px; }

.entrada-con-simbolo { display: flex; gap: .5rem; }
.entrada-con-simbolo select { width: auto; min-width: 76px; }

.herramientas-botones { display: flex; gap: .75rem; flex-wrap: wrap; }

/* ------------------------------------------------------------ manual */
.manual { margin-top: 1rem; }

.manual summary {
  cursor: pointer;
  font-weight: 600;
  color: var(--texto-suave);
  list-style: none;
  display: flex;
  align-items: center;
  gap: .5rem;
  border-radius: 6px;
}

.manual summary::-webkit-details-marker { display: none; }

.manual summary::before {
  content: "+";
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px; height: 22px;
  border: 1px solid var(--borde);
  border-radius: 6px;
  font-weight: 700;
  color: var(--verde);
}

.manual[open] summary::before { content: "\2212"; }
.manual summary:hover { color: var(--texto); }

.manual-campos {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: .9rem;
  margin-top: 1.1rem;
}

.campo-ancho { grid-column: span 2; }

.manual-accion { display: flex; align-items: flex-end; }
.manual-accion .btn { width: 100%; }

.error-manual {
  margin: .8rem 0 0;
  padding: .6rem .85rem;
  border-radius: 9px;
  background: rgba(242, 84, 91, .14);
  border: 1px solid #6b3a3f;
  color: #ffc2c6;
  font-size: .92rem;
}

/* ------------------------------------------------------------ sesiones */
.sesiones { margin-top: 2rem; }

.sesiones h2 {
  font-size: 1.15rem;
  margin: 0 0 .9rem;
  color: var(--texto-suave);
  text-transform: uppercase;
  letter-spacing: .07em;
}

.dia {
  background: var(--superficie);
  border: 1px solid var(--borde);
  border-radius: var(--radio);
  margin-bottom: 1rem;
  overflow: hidden;
  box-shadow: var(--sombra);
}

.dia-cabecera {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  padding: .8rem 1.15rem;
  background: var(--superficie-2);
  border-bottom: 1px solid var(--borde);
}

.dia-titulo { font-weight: 650; font-size: 1rem; }
.dia-titulo .hoy-etiqueta {
  margin-left: .5rem;
  font-size: .72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: #07240f;
  background: var(--verde);
  padding: .1rem .45rem;
  border-radius: 999px;
}

.dia-total {
  font-family: Consolas, ui-monospace, monospace;
  font-variant-numeric: tabular-nums;
  font-weight: 700;
  color: var(--verde);
  white-space: nowrap;
}

.dia-total .dia-importe { color: var(--texto-suave); font-weight: 400; margin-left: .5rem; }

.sesion {
  display: grid;
  grid-template-columns: 118px 1fr auto auto;
  align-items: center;
  gap: 1rem;
  padding: .75rem 1.15rem;
  border-top: 1px solid rgba(51, 65, 92, .55);
}

.sesion:first-child { border-top: none; }
.sesion:hover { background: rgba(96, 165, 250, .06); }

.sesion-horas {
  font-family: Consolas, ui-monospace, monospace;
  font-size: .92rem;
  color: var(--texto-tenue);
  white-space: nowrap;
}

.sesion-texto { min-width: 0; }

.sesion-descripcion {
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.sesion-proyecto {
  display: inline-block;
  margin-top: .15rem;
  font-size: .78rem;
  color: var(--azul);
  background: rgba(96, 165, 250, .12);
  border: 1px solid rgba(96, 165, 250, .3);
  border-radius: 999px;
  padding: .02rem .5rem;
}

.sesion-duracion {
  font-family: Consolas, ui-monospace, monospace;
  font-variant-numeric: tabular-nums;
  font-weight: 650;
  white-space: nowrap;
}

.sesion-duracion .sesion-importe {
  display: block;
  font-weight: 400;
  font-size: .8rem;
  color: var(--texto-tenue);
  text-align: right;
}

.btn-eliminar {
  width: 32px; height: 32px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  background: transparent;
  border: 1px solid transparent;
  border-radius: 8px;
  color: var(--texto-tenue);
  font-size: 1.15rem;
  line-height: 1;
  cursor: pointer;
}

.btn-eliminar:hover {
  background: rgba(242, 84, 91, .16);
  border-color: #6b3a3f;
  color: #ffb3b8;
}

.vacio {
  text-align: center;
  color: var(--texto-suave);
  background: var(--superficie);
  border: 1px dashed var(--borde);
  border-radius: var(--radio);
  padding: 2rem 1rem;
  margin: 0;
}

/* ------------------------------------------------------------ pie y toast */
.pie {
  margin-top: 2.5rem;
  padding-top: 1.2rem;
  border-top: 1px solid var(--borde);
  color: var(--texto-tenue);
  font-size: .88rem;
  text-align: center;
}

.pie code {
  font-family: Consolas, ui-monospace, monospace;
  background: var(--superficie);
  padding: .05rem .35rem;
  border-radius: 5px;
}

.toast {
  position: fixed;
  left: 50%;
  bottom: 1.5rem;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: .7rem 1rem;
  background: var(--superficie-2);
  border: 1px solid var(--borde);
  border-radius: 12px;
  box-shadow: var(--sombra);
  font-size: .93rem;
  z-index: 20;
}

/* ------------------------------------------------------------ responsive */
@media (max-width: 780px) {
  .totales { grid-template-columns: 1fr; }
  .cronometro-campos { grid-template-columns: 1fr; }
  .manual-campos { grid-template-columns: repeat(2, 1fr); }
  .campo-ancho { grid-column: span 2; }
  .sesion { grid-template-columns: 1fr auto auto; }
  .sesion-horas { grid-column: 1 / -1; }
  .herramientas { flex-direction: column; align-items: stretch; }
  .campo-tarifa { max-width: none; }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; }
}