:root {
  color-scheme: light;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: #10271d;
  background: #edf3eb;
  font-synthesis: none;
}

* { box-sizing: border-box; }
body { margin: 0; min-width: 320px; min-height: 100vh; background: #edf3eb; }
button, input { font: inherit; }
[hidden] { display: none !important; }

.app-shell {
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  background:
    radial-gradient(circle at 90% 8%, rgba(130, 174, 82, .2), transparent 28rem),
    linear-gradient(145deg, #f7faf5, #e8f0e5);
}

.topbar, .footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem clamp(1rem, 4vw, 3.5rem);
  background: #fff;
  border-bottom: 1px solid #dce5d8;
}

.brand, .top-actions, .input-row { display: flex; align-items: center; gap: .85rem; }
.brand img { width: 3.25rem; height: 3.25rem; border-radius: .85rem; box-shadow: 0 6px 18px rgba(13, 64, 42, .18); }
.brand div { display: grid; gap: .18rem; }
.brand span, .eyebrow { color: #47705d; font-size: .72rem; font-weight: 800; letter-spacing: .13em; }
.brand strong { font-size: 1.1rem; }

.network-status { display: flex; align-items: center; gap: .45rem; padding: .6rem .85rem; border-radius: 99rem; font-size: .8rem; }
.network-status span { width: .55rem; height: .55rem; border-radius: 50%; }
.network-status.online { color: #12623f; background: #e0f3e8; }
.network-status.online span { background: #1a9a5c; box-shadow: 0 0 0 .25rem rgba(26, 154, 92, .12); }
.network-status.offline { color: #8a5312; background: #fff0d2; }
.network-status.offline span { background: #d18a1e; }

.install-button, .secondary-button {
  border: 1px solid #b8cbbf;
  border-radius: .75rem;
  background: #fff;
  color: #174c34;
  padding: .65rem 1rem;
  font-weight: 750;
  cursor: pointer;
}

.content {
  flex: 1;
  width: min(72rem, 100%);
  margin: auto;
  padding: clamp(1.3rem, 5vw, 4rem);
  display: grid;
  grid-template-columns: minmax(15rem, .8fr) minmax(20rem, 1.2fr);
  align-items: center;
  gap: clamp(1.2rem, 5vw, 4.5rem);
}

.meal-summary h1 { margin: .7rem 0 .5rem; font-size: clamp(2.5rem, 6vw, 5.7rem); line-height: .95; letter-spacing: -.055em; color: #113e2a; }
.meal-summary p { color: #547064; font-size: 1.08rem; }
.separator { margin: 0 .55rem; color: #9db0a6; }

.registration-card {
  position: relative;
  background: rgba(255, 255, 255, .94);
  border: 1px solid rgba(207, 222, 211, .9);
  border-radius: 2rem;
  padding: clamp(1.5rem, 5vw, 3.25rem);
  box-shadow: 0 30px 70px rgba(35, 73, 52, .13);
  overflow: hidden;
}
.registration-card::before { content: ""; position: absolute; inset: 0 auto 0 0; width: .45rem; background: linear-gradient(#1a7049, #9fbd55); }
.method-icon { display: grid; place-items: center; width: 3.6rem; height: 3.6rem; margin-bottom: 1.4rem; border-radius: 1.15rem; background: #e0f1e7; color: #166543; font-size: 1.2rem; }
.registration-card h2 { margin: .5rem 0 .45rem; font-size: clamp(1.7rem, 3vw, 2.45rem); letter-spacing: -.035em; }
.registration-card > p { margin: 0 0 1.8rem; color: #63786d; }
label { display: block; margin-bottom: .55rem; color: #345846; font-size: .82rem; font-weight: 800; }
.input-row input { flex: 1; min-width: 0; border: 2px solid #cbd9cf; border-radius: 1rem; padding: 1rem 1.1rem; background: #f9fbf8; font-size: 1.2rem; outline: none; }
.input-row input:focus { border-color: #1c704c; box-shadow: 0 0 0 .25rem rgba(28, 112, 76, .1); }
.input-row button { border: 0; border-radius: 1rem; padding: 1.05rem 1.5rem; background: #174f36; color: #fff; font-weight: 800; cursor: pointer; box-shadow: 0 10px 25px rgba(23, 79, 54, .2); }
.input-row button:disabled { opacity: .5; cursor: wait; }
.secondary-button { width: 100%; margin-top: .8rem; }

.message { grid-column: 1 / -1; display: flex; align-items: center; gap: 1rem; padding: 1rem 1.2rem; border-radius: 1rem; background: #fff; box-shadow: 0 12px 30px rgba(29, 68, 47, .1); }
.message > div:first-child { display: grid; place-items: center; flex: 0 0 2.6rem; height: 2.6rem; border-radius: .8rem; font-weight: 900; }
.message > div:last-child { display: grid; gap: .15rem; }
.message span { color: #587064; }
.message.success > div:first-child { color: #12623f; background: #dff3e7; }
.message.warning > div:first-child, .message.offline > div:first-child { color: #8a5312; background: #ffedc8; }
.message.error > div:first-child { color: #9f2f2f; background: #fbe2df; }

.footer { border-top: 1px solid #dce5d8; border-bottom: 0; color: #66796f; font-size: .82rem; }
.footer .pending { color: #a16412; font-weight: 800; }

@media (max-width: 760px) {
  .topbar { align-items: flex-start; }
  .brand img { width: 2.8rem; height: 2.8rem; }
  .top-actions { flex-direction: column-reverse; align-items: flex-end; }
  .content { grid-template-columns: 1fr; padding: 1.25rem; }
  .meal-summary h1 { font-size: 3rem; }
  .input-row { align-items: stretch; flex-direction: column; }
  .footer { flex-wrap: wrap; justify-content: center; }
}

@media (display-mode: standalone) {
  .install-button { display: none !important; }
  .topbar { padding-top: calc(1rem + env(safe-area-inset-top)); }
  .footer { padding-bottom: calc(1rem + env(safe-area-inset-bottom)); }
}

/* --- Elementos incorporados en la versión 2 --- */

.ghost-button {
  border: 1px solid #b8cbbf;
  border-radius: .75rem;
  background: #fff;
  color: #174c34;
  padding: .55rem .9rem;
  font-size: .82rem;
  font-weight: 700;
  cursor: pointer;
}
.ghost-button:focus-visible,
.secondary-button:focus-visible,
.input-row button:focus-visible,
.banner-action:focus-visible { outline: 3px solid #1c704c; outline-offset: 2px; }

.banner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
  padding: .7rem 1.2rem;
  background: #fff4d8;
  color: #7a4c0d;
  font-size: .88rem;
  border-bottom: 1px solid #f0dcae;
}
.banner-action {
  border: 0;
  border-radius: .6rem;
  padding: .45rem .9rem;
  background: #7a4c0d;
  color: #fff;
  font-weight: 700;
  cursor: pointer;
}

.network-status.offline b { font-weight: 700; }
.footer .warning { color: #9f2f2f; font-weight: 800; }

.blocker {
  flex: 1;
  display: grid;
  place-items: center;
  padding: clamp(1.2rem, 5vw, 3rem);
}
.blocker-card {
  width: min(38rem, 100%);
  background: rgba(255, 255, 255, .96);
  border: 1px solid rgba(207, 222, 211, .9);
  border-radius: 1.6rem;
  padding: clamp(1.5rem, 5vw, 2.75rem);
  box-shadow: 0 30px 70px rgba(35, 73, 52, .13);
  text-align: left;
}
.blocker-symbol { font-size: 2.6rem; line-height: 1; margin-bottom: .8rem; }
.blocker-card h2 { margin: 0 0 .6rem; font-size: clamp(1.5rem, 3vw, 2.1rem); letter-spacing: -.03em; }
.blocker-card p { margin: 0 0 1rem; color: #5b7267; }
.blocker-steps { margin: 0 0 1.2rem; padding-left: 1.3rem; color: #35533f; line-height: 1.65; }
.blocker-steps li { margin-bottom: .35rem; }
.blocker .secondary-button { width: auto; }

.diagnostics {
  width: min(46rem, 92vw);
  border: 0;
  border-radius: 1.2rem;
  padding: clamp(1.2rem, 4vw, 2rem);
  color: #10271d;
  background: #fff;
  box-shadow: 0 30px 80px rgba(16, 39, 29, .3);
}
.diagnostics::backdrop { background: rgba(11, 32, 22, .55); }
.diagnostics h2 { margin: 0 0 .3rem; font-size: 1.35rem; }
.diagnostics .text-muted { margin: 0 0 1rem; color: #63786d; font-size: .85rem; }
.diagnostics pre {
  max-height: 45vh;
  overflow: auto;
  margin: 0 0 1.2rem;
  padding: 1rem;
  border-radius: .9rem;
  background: #f3f7f2;
  border: 1px solid #dbe6dc;
  font-size: .78rem;
  line-height: 1.5;
  white-space: pre-wrap;
  word-break: break-word;
}
.dialog-actions { display: flex; flex-wrap: wrap; gap: .6rem; justify-content: flex-end; }
.dialog-actions .secondary-button { width: auto; margin-top: 0; }

@media (max-width: 760px) {
  .top-actions { flex-direction: row; flex-wrap: wrap; justify-content: flex-end; }
  .ghost-button { padding: .45rem .7rem; font-size: .75rem; }
  .footer { gap: .35rem; }
}

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