/* Respira · estilos propios */
:root { --calm-1: #5eead4; --calm-2: #0ea5a4; --calm-3: #6366f1; }
body { overflow: hidden; }
.shell { display: grid; grid-template-rows: 48px minmax(0, 1fr); height: 100dvh; }
.top-mid { margin: 0 auto; }
.topbar .top-actions { margin-left: 0; }
body.running .topbar { opacity: .35; transition: opacity .6s; }
body.running .topbar:hover { opacity: 1; }
.stage { position: relative; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 26px; padding: 20px; overflow: auto;
  background: radial-gradient(60% 50% at 50% 45%, color-mix(in srgb, var(--calm-2) 12%, transparent), transparent 70%); }
.patterns { display: flex; flex-wrap: wrap; justify-content: center; gap: 6px; }
.patterns button { display: flex; flex-direction: column; align-items: center; min-width: 108px; padding: 8px 14px; border: 1px solid var(--border); border-radius: 12px; background: var(--panel); }
.patterns button b { font-weight: 600; font-size: 13px; }
.patterns button small { color: var(--text-3); font-size: 11.5px; font-variant-numeric: tabular-nums; }
.patterns button[aria-pressed="true"] { border-color: var(--calm-2); background: color-mix(in srgb, var(--calm-2) 12%, var(--panel)); }
body.running .patterns, body.running .desc, body.running #durSeg { opacity: .3; pointer-events: none; transition: opacity .6s; }

.orb-wrap { position: relative; width: min(56vh, 380px); aspect-ratio: 1; display: grid; place-items: center; }
.orb, .halo { position: absolute; border-radius: 50%; transition-property: transform, opacity; transition-timing-function: cubic-bezier(.45, 0, .55, 1); transition-duration: 1.2s; }
.orb { width: 62%; aspect-ratio: 1; transform: scale(.62);
  background: radial-gradient(circle at 35% 30%, #ffffffcc, transparent 45%), radial-gradient(circle at 50% 50%, var(--calm-1), var(--calm-2) 55%, var(--calm-3));
  box-shadow: 0 20px 60px -10px color-mix(in srgb, var(--calm-2) 55%, transparent); }
.orb[data-state="in"] { transform: scale(1.12); }
.orb[data-state="out"] { transform: scale(.62); }
.halo { width: 92%; aspect-ratio: 1; border: 1.5px solid color-mix(in srgb, var(--calm-2) 45%, transparent); transform: scale(.7); opacity: .35; }
.halo[data-state="in"] { transform: scale(1); opacity: .9; }
.orb-text { position: relative; display: flex; flex-direction: column; align-items: center; color: #fff; text-shadow: 0 1px 8px rgba(0, 0, 0, .25); pointer-events: none; }
.orb-text b { font-size: 26px; font-weight: 600; letter-spacing: -.02em; }
.orb-text span { font-size: 15px; opacity: .9; font-variant-numeric: tabular-nums; min-height: 1.4em; }
body.reduce .orb, body.reduce .halo { transition: none !important; }
body.reduce .orb[data-state="in"] { transform: scale(.62); box-shadow: 0 0 0 10px color-mix(in srgb, var(--calm-2) 35%, transparent); }
.desc { margin: 0; max-width: 480px; text-align: center; color: var(--text-2); line-height: 1.55; }
.controls { display: flex; flex-wrap: wrap; justify-content: center; align-items: center; gap: 12px; }
.btn.xl { height: 44px; min-width: 150px; font-size: 15px; border-radius: 22px; background: var(--calm-2); border-color: var(--calm-2); color: #fff; }
.btn.xl:hover { background: #0d9488; border-color: #0d9488; }
.left { min-width: 110px; font-variant-numeric: tabular-nums; }
.custom { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; font-size: 13px; color: var(--text-2); }
.custom input { width: 52px; height: 30px; margin: 0 4px; padding: 0 6px; border: 1px solid var(--border-2); border-radius: 6px; background: var(--panel); text-align: center; }
@media (max-width: 700px) { .top-mid { display: none; } .topbar .top-actions { margin-left: auto; } }

/* Móvil: la esfera cabe a lo ancho y todo se ve sin recortes */
@media (max-width: 700px) {
  .stage { justify-content: safe center; gap: 16px; padding: 14px 16px max(16px, env(safe-area-inset-bottom)); }
  .orb-wrap { width: min(40vh, calc(100vw - 48px), 380px); }
  .controls { flex-wrap: wrap; }
  #left { flex-basis: 100%; text-align: center; }
  #left:empty { display: none; }
  #startBtn { min-height: 48px; min-width: 180px; justify-content: center; }
}