/* =====================================================================
   Calma Canina · aplicación
   ===================================================================== */

:root {
  --niebla: #e7edea;
  --papel: #f5f8f6;
  --tinta: #14302c;
  --pizarra: #4e6360;
  --calma: #2c6a5e;
  --calma-claro: #d9e6e1;
  --ambar: #b8801f;
  --ambar-claro: #f3e6cb;
  --linea: rgba(20, 48, 44, 0.14);
  --display: "Bricolage Grotesque", system-ui, -apple-system, sans-serif;
  --texto: "Source Serif 4", Georgia, serif;
  --mono: "IBM Plex Mono", ui-monospace, monospace;
  --radio: 5px;
  --barra: 68px;
}

* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }

html, body { height: 100%; }

body {
  margin: 0;
  background: var(--niebla);
  color: var(--tinta);
  font-family: var(--texto);
  font-size: 16px;
  line-height: 1.55;
  padding-bottom: calc(var(--barra) + env(safe-area-inset-bottom));
  overscroll-behavior-y: contain;
}

h1, h2, h3, h4 {
  font-family: var(--display);
  letter-spacing: -0.02em;
  line-height: 1.12;
  margin: 0 0 0.5em;
}

h1 { font-size: 1.75rem; font-weight: 800; }
h2 { font-size: 1.2rem; font-weight: 700; }
h3 { font-size: 1rem; font-weight: 700; }
p { margin: 0 0 0.85em; }

.envoltorio { width: min(100% - 2rem, 620px); margin-inline: auto; }

/* ------------------------------------------------------------ cabecera */

.cabecera {
  background: var(--tinta);
  color: var(--niebla);
  padding: calc(1rem + env(safe-area-inset-top)) 0 1.1rem;
}

.cabecera .fila {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.cabecera .saludo {
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(231, 237, 234, 0.6);
  margin: 0 0 0.25rem;
}

.cabecera .nombre {
  font-family: var(--display);
  font-size: 1.35rem;
  font-weight: 700;
  color: #fff;
  margin: 0;
}

.avatar {
  width: 42px; height: 42px; border-radius: 50%;
  background: var(--calma);
  display: grid; place-items: center;
  font-family: var(--display); font-weight: 700; color: #fff;
  font-size: 1.05rem; flex: none;
}

/* --------------------------------------------------------------- vistas */

.vista { display: none; padding-top: 1.5rem; }
.vista.activa { display: block; animation: entrar .25s ease; }

@keyframes entrar { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }

.etiqueta {
  font-family: var(--mono);
  font-size: 0.66rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--pizarra);
  margin: 0 0 0.7rem;
}

/* --------------------------------------------------------------- tarjetas */

.tarjeta {
  background: var(--papel);
  border: 1px solid var(--linea);
  border-radius: var(--radio);
  padding: 1.15rem 1.15rem;
  margin-bottom: 0.9rem;
}

.tarjeta.destacada { border-color: var(--calma); border-width: 1.5px; }
.tarjeta > :last-child { margin-bottom: 0; }

.tarjeta .cabeza {
  display: flex; align-items: baseline; justify-content: space-between; gap: 1rem;
  margin-bottom: 0.6rem;
}

.dia-num {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: var(--ambar);
  text-transform: uppercase;
}

.anota {
  font-size: 0.86rem;
  color: var(--pizarra);
  border-top: 1px solid var(--linea);
  margin-top: 0.85rem;
  padding-top: 0.7rem;
}

.anota strong { font-family: var(--display); }

/* ---------------------------------------------------------------- botones */

.boton {
  display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
  font-family: var(--display); font-weight: 600; font-size: 0.98rem;
  padding: 0.85rem 1.3rem; border-radius: var(--radio);
  border: 1px solid transparent; background: var(--calma); color: #fff;
  cursor: pointer; text-decoration: none;
}

.boton:active { transform: scale(0.985); }
.boton--ancho { width: 100%; }
.boton--fantasma { background: transparent; color: var(--tinta); border-color: var(--linea); }
.boton--ambar { background: var(--ambar); }
.boton--peque { font-size: 0.85rem; padding: 0.55rem 0.9rem; }
.boton[disabled] { opacity: .4; pointer-events: none; }

:where(button, a, input, select, textarea):focus-visible { outline: 2px solid var(--ambar); outline-offset: 2px; }

.fila-botones { display: flex; gap: 0.6rem; flex-wrap: wrap; }
.fila-botones .boton { flex: 1; min-width: 130px; }

/* ------------------------------------------------------------- progreso */

.progreso-barra {
  height: 6px; background: var(--linea); border-radius: 3px; overflow: hidden; margin: 0.6rem 0 0.3rem;
}
.progreso-barra span { display: block; height: 100%; background: var(--calma); width: 0; transition: width .4s ease; }

.progreso-texto { font-family: var(--mono); font-size: 0.72rem; color: var(--pizarra); letter-spacing: .05em; }

/* --------------------------------------------------------------- listas */

.dias { display: grid; gap: 0.5rem; }

.dia {
  display: flex; align-items: flex-start; gap: 0.8rem;
  background: var(--papel); border: 1px solid var(--linea);
  border-radius: var(--radio); padding: 0.85rem 1rem; cursor: pointer;
  text-align: left; width: 100%; font-family: var(--texto); font-size: 0.95rem;
  color: var(--tinta); line-height: 1.4;
}

.dia[data-hecho="1"] { background: var(--calma-claro); border-color: var(--calma); }
.dia .marca {
  width: 22px; height: 22px; border-radius: 50%; border: 2px solid var(--calma);
  flex: none; margin-top: 2px; display: grid; place-items: center;
  font-size: 0.8rem; color: #fff; font-family: var(--display);
}
.dia[data-hecho="1"] .marca { background: var(--calma); }
.dia .txt strong { display: block; font-family: var(--display); font-size: 0.82rem; color: var(--ambar); letter-spacing: .06em; text-transform: uppercase; margin-bottom: .15rem; }
.dia .semana { font-family: var(--mono); font-size: .68rem; letter-spacing: .14em; text-transform: uppercase; color: var(--pizarra); margin: 1.2rem 0 .4rem; }

/* ------------------------------------------------------------ cronómetro */

.crono {
  background: var(--tinta); color: var(--niebla);
  border-radius: var(--radio); padding: 1.6rem 1.2rem; text-align: center;
}

.crono .tiempo {
  font-family: var(--mono); font-size: 3.1rem; font-weight: 500;
  letter-spacing: -0.02em; color: #fff; line-height: 1; margin: 0.4rem 0 0.2rem;
  font-variant-numeric: tabular-nums;
}

.crono .paso-txt { font-family: var(--mono); font-size: .68rem; letter-spacing: .16em; text-transform: uppercase; color: rgba(231,237,234,.6); }
.crono .objetivo { font-size: .88rem; color: rgba(231,237,234,.75); margin: .3rem 0 1.1rem; }
.crono .fila-botones .boton--fantasma { color: #fff; border-color: rgba(255,255,255,.3); }

select, input[type="text"], input[type="number"], textarea {
  width: 100%; font-family: var(--texto); font-size: 1rem;
  padding: 0.75rem 0.9rem; border: 1px solid var(--linea);
  border-radius: var(--radio); background: #fff; color: var(--tinta);
}

label { display: block; font-family: var(--display); font-size: .85rem; font-weight: 600; margin: 0 0 .35rem; }
.campo { margin-bottom: 0.9rem; }

table.registro { width: 100%; border-collapse: collapse; font-size: .85rem; }
table.registro th {
  font-family: var(--mono); font-size: .62rem; letter-spacing: .1em; text-transform: uppercase;
  color: var(--pizarra); text-align: left; padding: 0 .5rem .4rem 0; border-bottom: 1px solid var(--linea);
}
table.registro td { padding: .55rem .5rem .55rem 0; border-bottom: 1px solid var(--linea); vertical-align: top; }
table.registro td.n { font-family: var(--mono); font-size: .8rem; color: var(--ambar); white-space: nowrap; }

.vacio { color: var(--pizarra); font-size: .92rem; text-align: center; padding: 1.6rem 0; }

/* ---------------------------------------------------------- herramientas */

.herramientas { display: grid; grid-template-columns: 1fr 1fr; gap: .7rem; }

.herramienta {
  background: var(--papel); border: 1px solid var(--linea); border-radius: var(--radio);
  padding: 1rem .9rem; text-align: center; cursor: pointer;
  font-family: var(--display); font-weight: 600; font-size: .92rem; color: var(--tinta);
}
.herramienta small { display: block; font-family: var(--texto); font-weight: 400; font-size: .78rem; color: var(--pizarra); margin-top: .2rem; }
.herramienta:active { background: var(--calma-claro); }

.clicker {
  width: 100%; aspect-ratio: 1 / 1; max-width: 260px; margin: 1rem auto;
  border-radius: 50%; border: 3px solid var(--calma); background: var(--calma);
  color: #fff; font-family: var(--display); font-size: 1.5rem; font-weight: 700;
  cursor: pointer; display: grid; place-items: center;
}
.clicker:active { background: #22564c; transform: scale(.97); }

/* --------------------------------------------------------- acordeón ej. */

details.ejercicio {
  background: var(--papel); border: 1px solid var(--linea);
  border-radius: var(--radio); margin-bottom: .6rem; overflow: hidden;
}
details.ejercicio summary {
  cursor: pointer; list-style: none; padding: 1rem 1.1rem;
  font-family: var(--display); font-weight: 600; font-size: .98rem;
}
details.ejercicio summary::-webkit-details-marker { display: none; }
details.ejercicio summary span { display: block; font-family: var(--mono); font-size: .64rem; letter-spacing: .14em; text-transform: uppercase; color: var(--ambar); margin-bottom: .25rem; }
details.ejercicio .cuerpo { padding: 0 1.1rem 1.1rem; font-size: .93rem; }
details.ejercicio .cuerpo p:last-child { margin-bottom: 0; }
details.ejercicio[open] summary { border-bottom: 1px solid var(--linea); margin-bottom: 1rem; }

.aviso-app {
  background: var(--ambar-claro); border-left: 3px solid var(--ambar);
  padding: .9rem 1rem; font-size: .88rem; border-radius: 0 var(--radio) var(--radio) 0;
  margin: 1rem 0;
}

/* ------------------------------------------------------- navegación pie */

.nav {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 50;
  background: rgba(245, 248, 246, 0.96);
  backdrop-filter: blur(10px);
  border-top: 1px solid var(--linea);
  display: grid; grid-template-columns: repeat(5, 1fr);
  padding-bottom: env(safe-area-inset-bottom);
}

.nav button {
  background: none; border: 0; padding: .7rem .2rem .75rem; cursor: pointer;
  display: grid; justify-items: center; gap: .25rem;
  font-family: var(--display); font-size: .68rem; font-weight: 600;
  color: var(--pizarra);
}

.nav button svg { width: 21px; height: 21px; stroke: currentColor; fill: none; stroke-width: 1.7; }
.nav button[aria-current="true"] { color: var(--calma); }

.pie-legal { font-size: .78rem; color: var(--pizarra); text-align: center; padding: 2rem 0 1rem; }
.pie-legal a { color: var(--pizarra); }