/* ============================================================
   layout.css — carcasa del teléfono, vistas y navegación
   Swipe & Decide · Prototipo
   ============================================================ */

/* ---------- Carcasa ---------- */
.phone{
  position:relative;
  display:flex;
  flex-direction:column;
  width:380px;
  height:780px;
  max-height:calc(100vh - 48px);
  background:var(--bg);
  border:11px solid var(--primary);
  border-radius:46px;
  box-shadow:var(--shadow-lg);
  overflow:hidden;
}

.phone__island{
  position:absolute;
  top:10px; left:50%;
  transform:translateX(-50%);
  width:104px; height:28px;
  background:#000;
  border-radius:20px;
  z-index:60;
}

/* ---------- Cabecera ---------- */
.phone__header{
  position:relative;
  flex-shrink:0;
  display:flex;
  align-items:center;
  justify-content:center;
  padding:48px 16px 12px;
  background:var(--surface);
  border-bottom:1px solid var(--border);
  z-index:20;
}

.brand{
  font-size:19px;
  font-weight:800;
  letter-spacing:-.01em;
}

.icon-btn{
  position:absolute;
  left:14px; bottom:8px;
  width:32px; height:32px;
  display:grid; place-items:center;
  font-size:19px;
  color:var(--secondary);
  border-radius:50%;
  transition:background var(--transition);
}
.icon-btn:hover{ background:var(--surface-alt); }
/* `display:grid` gana sobre el `[hidden]` del navegador: hay que declararlo */
.icon-btn[hidden]{ display:none; }

/* ---------- Área de contenido ---------- */
.phone__content{
  position:relative;
  flex:1;
  overflow:hidden;
}

.view{
  position:absolute;
  inset:0;
  display:flex;
  flex-direction:column;
  padding:18px 18px 14px;
  overflow-y:auto;
  opacity:0;
  visibility:hidden;
  transform:translateY(6px);
  transition:opacity var(--transition), transform var(--transition), visibility var(--transition);
}

.view.is-active{
  opacity:1;
  visibility:visible;
  transform:none;
}

.view--flush{ padding:14px 18px 10px; }

.view__title{
  font-size:17px;
  font-weight:800;
  margin-bottom:4px;
}

.view__sub{
  font-size:12px;
  color:var(--text-secondary);
  margin-bottom:14px;
}

/* ---------- Navegación inferior ---------- */
.tabbar{
  flex-shrink:0;
  display:flex;
  gap:10px;
  padding:10px 18px 24px;
  background:var(--surface);
  border-top:1px solid var(--border);
  z-index:20;
}

.tabbar__item{
  flex:1;
  padding:9px 0;
  font-size:13px;
  font-weight:600;
  color:var(--text-secondary);
  background:var(--surface);
  border:1px solid var(--border-strong);
  border-radius:var(--radius-sm);
  transition:var(--transition);
}

.tabbar__item.is-active{
  background:var(--primary);
  border-color:var(--primary);
  color:#fff;
}

/* ---------- Rejillas de la pantalla de inicio ---------- */
.budget-row{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:10px;
  margin-bottom:18px;
}

.rings{
  display:grid;
  grid-template-columns:repeat(4, 1fr);
  gap:8px;
  margin-bottom:18px;
}

.home-split{
  display:grid;
  grid-template-columns:1.75fr 1fr;
  gap:10px;
  align-items:start;
}

.home-split__side{
  display:flex;
  flex-direction:column;
  gap:8px;
}

/* ---------- Rejillas de resultado ---------- */
.result-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:10px;
  margin-bottom:14px;
}

/* ---------- Pantallas estrechas ---------- */
@media (max-width:420px){
  body{ padding:0; }
  .phone{
    width:100%;
    height:100vh;
    max-height:none;
    border:none;
    border-radius:0;
  }
  .phone__header{ padding-top:44px; }
  .home-split{ grid-template-columns:1fr; }
}