@import url('https://fonts.googleapis.com/css2?family=Atkinson+Hyperlegible:wght@400;700&family=Fredoka:wght@500;600&display=swap');

:root {
  --ink: #102a43;
  --ink-soft: #486581;
  --paper: #eef7ff;
  --surface: #ffffff;
  --teal: #1976d2;
  --teal-dark: #0b4da2;
  --teal-soft: #dceeff;
  --coral: #2f6fed;
  --coral-soft: #e7efff;
  --blue: #13a3d7;
  --blue-soft: #e1f6ff;
  --yellow: #f3c94c;
  --yellow-soft: #fff8ce;
  --green: #4b9f63;
  --red: #c6493c;
  --line: #d5e5f3;
  --shadow: 0 18px 50px rgba(20, 77, 137, 0.13);
  --radius-lg: 30px;
  --radius-md: 22px;
  --radius-sm: 14px;
  --page-gutter: clamp(10px, 2.4vw, 34px);
  --section-padding-x: clamp(14px, 2vw, 28px);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  min-width: 320px;
  position: relative;
  overflow-x: hidden;
  background:
    radial-gradient(circle at 8% 9%, rgba(88, 174, 255, 0.24), transparent 22rem),
    radial-gradient(circle at 92% 25%, rgba(28, 114, 219, 0.17), transparent 25rem),
    var(--paper);
  color: var(--ink);
  font-family: "Atkinson Hyperlegible", system-ui, sans-serif;
  font-size: 18px;
  line-height: 1.5;
}

button, input { font: inherit; }
button { color: inherit; }

.page-shell {
  position: relative;
  z-index: 1;
  width: min(1440px, calc(100% - (var(--page-gutter) * 2)));
  margin: 0 auto;
}

.sky-clouds {
  position: fixed;
  z-index: 0;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
}

.moving-cloud {
  position: absolute;
  left: 0;
  width: 142px;
  height: 38px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.72);
  box-shadow: 0 14px 32px rgba(38, 110, 178, 0.10);
  animation: cloud-travel 34s linear infinite;
  will-change: transform;
}

.moving-cloud::before,
.moving-cloud::after {
  content: "";
  position: absolute;
  bottom: 0;
  border-radius: 50%;
  background: inherit;
}

.moving-cloud::before { left: 24px; width: 64px; height: 64px; }
.moving-cloud::after { right: 22px; width: 48px; height: 48px; }
.cloud-one { top: 12%; animation-duration: 35s; animation-delay: -9s; }
.cloud-two { top: 38%; width: 185px; height: 45px; opacity: 0.65; animation-duration: 48s; animation-delay: -31s; }
.cloud-two::before { width: 78px; height: 78px; }
.cloud-two::after { width: 57px; height: 57px; }
.cloud-three { top: 67%; width: 112px; height: 31px; opacity: 0.54; animation-duration: 39s; animation-delay: -20s; }
.cloud-three::before { width: 50px; height: 50px; }
.cloud-three::after { width: 38px; height: 38px; }
.cloud-four { top: 86%; width: 160px; opacity: 0.48; animation-duration: 54s; animation-delay: -42s; }

@keyframes cloud-travel {
  from { transform: translateX(-230px); }
  to { transform: translateX(calc(100vw + 230px)); }
}

.topbar {
  min-height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--ink);
  text-decoration: none;
  font-family: "Fredoka", system-ui, sans-serif;
  line-height: 1;
}

.brand strong, .brand small { display: block; }
.brand strong { font-size: 1.16rem; }
.brand small { margin-top: 4px; color: var(--teal); font-size: 0.82rem; }

.brand-mark {
  position: relative;
  width: 48px;
  height: 43px;
  display: inline-block;
}

.brand-sun {
  position: absolute;
  width: 28px;
  height: 28px;
  top: 0;
  right: 0;
  border-radius: 50%;
  background: var(--yellow);
  box-shadow: 0 0 0 5px rgba(243, 201, 76, 0.22);
}

.brand-cloud {
  position: absolute;
  left: 0;
  bottom: 1px;
  width: 42px;
  height: 22px;
  border-radius: 14px;
  background: var(--blue);
  animation: brand-cloud-float 4s ease-in-out infinite;
}

.brand-cloud::before, .brand-cloud::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  background: var(--blue);
}
.brand-cloud::before { width: 22px; height: 22px; left: 7px; top: -10px; }
.brand-cloud::after { width: 17px; height: 17px; right: 4px; top: -6px; }

.connection-chip {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 8px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255,255,255,0.75);
  color: var(--ink-soft);
  font-size: 0.88rem;
  font-weight: 700;
}

.status-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #9aaeb2;
  box-shadow: 0 0 0 4px rgba(154,174,178,0.18);
}

.connection-chip[data-state="online"] .status-dot { background: var(--green); box-shadow: 0 0 0 4px rgba(75,159,99,0.18); }
.connection-chip[data-state="demo"] .status-dot { background: var(--yellow); box-shadow: 0 0 0 4px rgba(243,201,76,0.24); }
.connection-chip[data-state="error"] .status-dot { background: var(--red); box-shadow: 0 0 0 4px rgba(198,73,60,0.15); }

.hero {
  position: relative;
  overflow: hidden;
  display: block;
  align-items: center;
  min-height: 0;
  padding: clamp(14px, 2.4vh, 22px) var(--section-padding-x);
  border-radius: 22px;
  background: linear-gradient(135deg, #082f74, #0b5fba 62%, #148bd1);
  color: #fff;
  box-shadow: var(--shadow);
}

.hero::before {
  content: "";
  position: absolute;
  width: 400px;
  height: 400px;
  right: -90px;
  top: -190px;
  border-radius: 50%;
  background: rgba(255,255,255,0.05);
}

.hero-copy { position: relative; z-index: 2; max-width: none; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.hero-intro { min-width: 0; }
.eyebrow { margin: 0 0 8px; text-transform: uppercase; letter-spacing: 0.14em; font-size: 0.74rem; font-weight: 700; }
.hero .eyebrow { color: #9de0d8; }

h1, h2 { margin: 0; font-family: "Fredoka", system-ui, sans-serif; line-height: 1.08; }
h1 { max-width: 690px; font-size: clamp(1.7rem, 3vw, 2.4rem); font-weight: 600; letter-spacing: -0.025em; }
h2 { font-size: clamp(1.45rem, 3vw, 2rem); font-weight: 600; }

.hero-intro > p:not(.eyebrow) { max-width: 650px; margin: 7px 0 0; color: #d8eff0; font-size: 0.95rem; }

.hero-actions { display: flex; flex-wrap: wrap; align-items: center; justify-content: flex-end; gap: 9px; margin: 0; }

.primary-button, .secondary-button, .mission-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 44px;
  padding: 9px 15px;
  border: 0;
  border-radius: 14px;
  cursor: pointer;
  font-weight: 700;
  transition: transform 160ms ease, box-shadow 160ms ease, background-color 160ms ease;
}

.primary-button { background: var(--yellow); color: #283a31; box-shadow: 0 8px 24px rgba(0,0,0,0.16); }
.secondary-button { border: 1px solid rgba(255,255,255,0.3); background: rgba(255,255,255,0.08); color: #fff; }
.primary-button:hover, .secondary-button:hover, .mission-button:hover { transform: translateY(-2px); }
.primary-button:focus-visible, .secondary-button:focus-visible, .mission-button:focus-visible, .text-button:focus-visible, .close-button:focus-visible { outline: 3px solid #fff; outline-offset: 3px; }
.primary-button svg, .secondary-button svg { width: 21px; height: 21px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.secondary-button svg path { fill: currentColor; stroke: currentColor; }
.secondary-button[aria-pressed="true"] { border-color: var(--yellow); background: rgba(243,201,76,0.18); }
.primary-button:disabled, .secondary-button:disabled { opacity: 0.55; cursor: not-allowed; transform: none; }

.browser-note { flex-basis: 100%; margin: 0; color: #b8d6d8; font-size: 0.72rem; text-align: right; }
.browser-note.warning { color: #ffe292; }

@keyframes brand-cloud-float {
  0%, 100% { translate: 0 0; }
  50% { translate: 4px -2px; }
}

.readings-panel { margin: 16px 0 24px; }
.readings-toolbar { display: flex; align-items: center; justify-content: space-between; gap: 20px; margin-bottom: 12px; }
.readings-toolbar .eyebrow { margin-bottom: 3px; color: var(--teal); }
.readings-toolbar h2 { font-size: 1.35rem; }
.fullscreen-button { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 42px; padding: 8px 14px; border: 1px solid var(--teal); border-radius: 12px; background: var(--surface); color: var(--teal-dark); cursor: pointer; font-weight: 700; }
.fullscreen-button:hover { background: var(--teal-soft); }
.fullscreen-button:focus-visible { outline: 3px solid var(--teal); outline-offset: 3px; }
.fullscreen-button[hidden] { display: none; }
.readings { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; margin: 0; }
.reading-card { display: grid; grid-template-columns: auto 1fr; gap: 18px; position: relative; padding: 22px 26px 18px; border: 1px solid var(--line); border-radius: var(--radius-md); background: var(--surface); box-shadow: 0 12px 30px rgba(18,62,69,0.06); overflow: hidden; }
.reading-card::after { content: ""; position: absolute; width: 130px; height: 130px; right: -45px; top: -50px; border-radius: 50%; opacity: 0.5; }
.temperature-card::after { background: var(--coral-soft); }
.humidity-card::after { background: var(--blue-soft); }
.reading-icon { position: relative; z-index: 1; display: grid; place-items: center; width: 58px; height: 58px; border-radius: 18px; }
.reading-icon svg { width: 34px; height: 34px; fill: none; stroke: currentColor; stroke-width: 1.9; stroke-linecap: round; stroke-linejoin: round; }
.temperature-icon { background: var(--coral-soft); color: var(--coral); }
.humidity-icon { background: var(--blue-soft); color: var(--blue); }
.reading-content { min-width: 0; }
.reading-label { margin: 0; color: var(--ink-soft); font-size: 0.92rem; font-weight: 700; }
.reading-value { margin: -2px 0 0; font-family: "Fredoka", sans-serif; font-size: clamp(3rem, 6vw, 4.35rem); line-height: 1; font-weight: 600; letter-spacing: -0.04em; font-variant-numeric: tabular-nums; }
.reading-unit { margin-left: 7px; color: var(--ink-soft); font-size: 0.42em; vertical-align: 0.65em; }
.reading-message { margin: 8px 0 0; font-weight: 700; }
.mini-range { grid-column: 1 / -1; display: grid; grid-template-columns: repeat(3, 1fr); gap: 2px; padding-top: 15px; border-top: 1px solid var(--line); color: var(--ink-soft); font-size: 0.78rem; text-align: center; }
.mini-range span:nth-child(2) { color: var(--teal-dark); font-weight: 700; }
.fullscreen-footer { display: none; }

.readings-panel:fullscreen {
  display: grid;
  align-content: center;
  min-width: 100%;
  min-height: 100%;
  padding: clamp(28px, 5vw, 74px);
  background:
    radial-gradient(circle at 12% 12%, rgba(84, 181, 255, 0.28), transparent 28rem),
    linear-gradient(135deg, #061f4f, #0b5fba 66%, #1394d2);
  color: #ffffff;
}

.readings-panel:fullscreen .readings-toolbar,
.readings-panel:fullscreen .readings,
.readings-panel:fullscreen .fullscreen-footer { width: min(1500px, 100%); margin-left: auto; margin-right: auto; }
.readings-panel:fullscreen .readings-toolbar { margin-bottom: clamp(20px, 3vh, 38px); }
.readings-panel:fullscreen .readings-toolbar .eyebrow { color: #9ddcff; }
.readings-panel:fullscreen .readings-toolbar h2 { font-size: clamp(1.8rem, 4vw, 3.2rem); }
.readings-panel:fullscreen .fullscreen-button { border-color: rgba(255,255,255,0.55); background: rgba(255,255,255,0.12); color: #ffffff; }
.readings-panel:fullscreen .readings { gap: clamp(22px, 4vw, 52px); }
.readings-panel:fullscreen .reading-card { min-height: min(58vh, 520px); align-content: center; padding: clamp(28px, 5vw, 70px); color: var(--ink); border: 0; box-shadow: 0 24px 70px rgba(0,0,0,0.23); }
.readings-panel:fullscreen .reading-icon { width: clamp(70px, 7vw, 112px); height: clamp(70px, 7vw, 112px); border-radius: 28px; }
.readings-panel:fullscreen .reading-icon svg { width: 55%; height: 55%; }
.readings-panel:fullscreen .reading-label { font-size: clamp(1rem, 2vw, 1.55rem); }
.readings-panel:fullscreen .reading-value { font-size: clamp(5rem, 12vw, 10rem); }
.readings-panel:fullscreen .reading-message { font-size: clamp(1rem, 2vw, 1.55rem); }
.readings-panel:fullscreen .mini-range { display: none; }
.readings-panel:fullscreen .fullscreen-footer { display: flex; justify-content: space-between; gap: 24px; margin-top: clamp(20px, 4vh, 42px); color: #d9efff; font-size: clamp(0.85rem, 1.3vw, 1.1rem); }
.readings-panel:fullscreen .fullscreen-footer p { margin: 0; }

.dashboard-grid { display: grid; grid-template-columns: minmax(0, 1.7fr) minmax(280px, 0.72fr); gap: 22px; align-items: stretch; }
.chart-panel, .facts-card { padding: 28px; border: 1px solid var(--line); border-radius: var(--radius-md); background: var(--surface); box-shadow: 0 12px 30px rgba(18,62,69,0.05); }
.panel-heading { display: flex; align-items: flex-end; justify-content: space-between; gap: 24px; }
.panel-heading .eyebrow, .facts-card .eyebrow { color: var(--teal); }
.chart-legend { display: flex; flex-wrap: wrap; gap: 16px; color: var(--ink-soft); font-size: 0.8rem; }
.chart-legend span { display: inline-flex; align-items: center; gap: 7px; }
.legend-line { display: inline-block; width: 24px; height: 4px; border-radius: 99px; }
.temperature-line { background: var(--coral); }
.humidity-line { background: var(--blue); }
.chart-wrap { position: relative; height: 280px; margin-top: 24px; }
#historyChart { display: block; width: 100%; height: 100%; }
.empty-chart { position: absolute; inset: 0; display: grid; place-content: center; justify-items: center; color: var(--ink-soft); text-align: center; pointer-events: none; }
.empty-chart.hidden { display: none; }
.empty-chart svg { width: 48px; height: 48px; fill: none; stroke: var(--line); stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; }
.empty-chart p { margin: 8px 0 0; }
.chart-footer { display: flex; justify-content: space-between; gap: 20px; margin-top: 12px; color: var(--ink-soft); font-size: 0.78rem; }
.text-button { padding: 2px; border: 0; background: transparent; color: var(--teal-dark); cursor: pointer; font-weight: 700; text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 3px; }

.side-column { display: grid; gap: 22px; }
.mission-card { position: relative; overflow: hidden; padding: 29px; border-radius: var(--radius-md); background: var(--yellow-soft); }
.mission-card .eyebrow { color: #997518; }
.mission-card p:not(.eyebrow) { position: relative; z-index: 1; margin: 14px 0 24px; }
.mission-number { position: absolute; right: -3px; top: -38px; color: rgba(153,117,24,0.12); font-family: "Fredoka", sans-serif; font-size: 8rem; font-weight: 600; }
.mission-button { position: relative; z-index: 1; min-height: 44px; padding: 9px 15px; background: var(--ink); color: #fff; }
.facts-card dl { margin: 18px 0 0; }
.facts-card dl > div { display: flex; justify-content: space-between; gap: 16px; padding: 12px 0; border-top: 1px solid var(--line); }
.facts-card dt { color: var(--ink-soft); }
.facts-card dd { margin: 0; font-weight: 700; font-variant-numeric: tabular-nums; }

.learn-strip { display: grid; grid-template-columns: 1fr 1.65fr auto; align-items: center; gap: 34px; margin: 26px 0; padding: 26px 30px; border-radius: var(--radius-md); background: var(--teal-soft); }
.learn-strip .eyebrow { color: var(--teal-dark); }
.learn-strip h2 { font-size: 1.4rem; }
.learn-strip > p { margin: 0; }
.learn-badge { display: flex; flex-direction: column; align-items: center; min-width: 142px; padding: 12px 16px; border-left: 1px solid rgba(14,86,96,0.25); color: var(--teal-dark); }
.learn-badge strong { font-family: "Fredoka", sans-serif; font-size: 1.2rem; }
.learn-badge span { font-size: 0.76rem; }

footer { display: flex; align-items: center; justify-content: space-between; gap: 20px; min-height: 90px; color: var(--ink-soft); font-size: 0.86rem; }
footer p { margin: 0; }
.footer-signature { display: grid; gap: 3px; }
.creator-credit { color: var(--teal-dark); font-size: 0.92rem; }
.creator-credit strong { color: var(--ink); }
.footer-tagline { font-size: 0.78rem; }
.footer-actions { display: inline-flex; align-items: center; justify-content: flex-end; gap: 10px; }
.repository-link {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  min-height: 32px;
  padding: 5px 10px;
  border: 1px solid rgba(11, 77, 162, 0.22);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.48);
  color: var(--ink-soft);
  font-size: 0.78rem;
  font-weight: 700;
  text-decoration: none;
  transition: color 160ms ease, background-color 160ms ease, border-color 160ms ease;
}
.repository-link:hover { border-color: var(--teal); background: var(--surface); color: var(--teal-dark); }
.repository-link:focus-visible { outline: 3px solid var(--blue); outline-offset: 2px; }

dialog { width: min(580px, calc(100% - 28px)); padding: 0; border: 0; border-radius: 24px; color: var(--ink); box-shadow: 0 25px 80px rgba(4,29,34,0.28); }
dialog::backdrop { background: rgba(8,36,42,0.64); backdrop-filter: blur(4px); }
dialog form { position: relative; padding: 35px; }
dialog .eyebrow { color: var(--teal); }
dialog ol { margin: 24px 0; padding-left: 25px; }
dialog li { margin: 10px 0; padding-left: 5px; }
.dialog-note { padding: 13px 15px; border-radius: 12px; background: var(--coral-soft); color: #744136; font-size: 0.88rem; }
.dialog-action { width: 100%; margin-top: 8px; }
.close-button { position: absolute; right: 18px; top: 14px; width: 42px; height: 42px; border: 0; border-radius: 50%; background: transparent; color: var(--ink-soft); cursor: pointer; font-size: 1.7rem; }

.toast { position: fixed; z-index: 20; left: 50%; bottom: 24px; max-width: min(520px, calc(100% - 30px)); padding: 12px 18px; border-radius: 14px; background: var(--ink); color: #fff; box-shadow: var(--shadow); opacity: 0; transform: translate(-50%, 16px); pointer-events: none; transition: opacity 180ms ease, transform 180ms ease; }
.toast.visible { opacity: 1; transform: translate(-50%, 0); }

@media (max-width: 900px) {
  .hero { min-height: auto; padding: 20px 22px; }
  .hero-copy { align-items: flex-start; }
  .dashboard-grid { grid-template-columns: 1fr; }
  .side-column { grid-template-columns: 1fr 1fr; }
  .learn-strip { grid-template-columns: 1fr 1.4fr; }
  .learn-badge { grid-column: 1 / -1; flex-direction: row; justify-content: center; gap: 12px; padding: 10px; border-left: 0; border-top: 1px solid rgba(14,86,96,0.25); }
}

@media (max-width: 680px) {
  body { font-size: 17px; }
  .page-shell { width: min(100% - 22px, 1180px); }
  .topbar { min-height: 76px; }
  .connection-chip { padding: 7px 10px; font-size: 0; }
  .connection-chip #connectionLabel { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
  .connection-chip .status-dot { width: 12px; height: 12px; }
  .hero { padding: 18px; border-radius: 18px; }
  .hero-copy { align-items: stretch; flex-direction: column; gap: 14px; }
  h1 { font-size: 1.75rem; }
  .hero-actions { justify-content: flex-start; }
  .hero-actions .primary-button, .hero-actions .secondary-button { width: auto; flex: 1 1 135px; }
  .browser-note { display: none; }
  .readings-toolbar { align-items: flex-end; }
  .fullscreen-button-label { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
  .fullscreen-button { width: 44px; padding: 8px; font-size: 1.25rem; }
  .readings { grid-template-columns: 1fr; }
  .reading-card { padding: 23px 22px 18px; }
  .reading-icon { width: 55px; height: 55px; border-radius: 17px; }
  .reading-value { font-size: 3.8rem; }
  .readings-panel:fullscreen { padding: 20px; }
  .readings-panel:fullscreen .readings { grid-template-columns: 1fr; gap: 16px; }
  .readings-panel:fullscreen .reading-card { min-height: 34vh; padding: 24px; }
  .readings-panel:fullscreen .reading-value { font-size: clamp(4.5rem, 23vw, 7.5rem); }
  .readings-panel:fullscreen .fullscreen-footer { display: none; }
  .panel-heading, .chart-footer { align-items: flex-start; flex-direction: column; }
  .chart-wrap { height: 235px; }
  .chart-panel, .facts-card { padding: 22px; }
  .side-column { grid-template-columns: 1fr; }
  .learn-strip { grid-template-columns: 1fr; gap: 14px; padding: 23px; }
  .learn-badge { grid-column: auto; }
  footer { align-items: flex-start; flex-direction: column; justify-content: center; padding: 22px 0; }
  dialog form { padding: 30px 24px 24px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; animation: none !important; }
}

/* Navegación por páginas */
html, body { height: 100%; }
body { overflow: hidden; }

.page-shell {
  height: 100dvh;
  display: grid;
  grid-template-rows: 64px 52px minmax(0, 1fr) 52px;
}

.topbar { min-height: 0; }

.app-tabs {
  display: flex;
  align-items: center;
  justify-content: center;
  border-top: 1px solid rgba(255,255,255,0.68);
  border-bottom: 1px solid var(--line);
}

.tab-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  width: min(620px, 100%);
  padding: 5px;
  border-radius: 16px;
  background: rgba(255,255,255,0.68);
  box-shadow: inset 0 0 0 1px rgba(30, 98, 170, 0.08);
}

.tab-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-width: 0;
  min-height: 40px;
  padding: 7px 18px;
  border: 0;
  border-radius: 12px;
  background: transparent;
  color: var(--ink-soft);
  cursor: pointer;
  font-weight: 700;
  transition: color 160ms ease, background-color 160ms ease, box-shadow 160ms ease;
}

.tab-button:hover { color: var(--teal-dark); background: var(--teal-soft); }
.tab-button.is-active { background: var(--teal-dark); color: #fff; box-shadow: 0 5px 14px rgba(11,77,162,0.23); }
.tab-button:focus-visible { outline: 3px solid var(--blue); outline-offset: 2px; }
.tab-icon { font-size: 0.82rem; }

.tab-stage { min-height: 0; }
.tab-page { height: 100%; min-height: 0; padding: 14px 0; overflow: hidden; animation: tab-page-in 180ms ease-out; }
.tab-page[hidden] { display: none !important; }

@keyframes tab-page-in {
  from { opacity: 0; translate: 0 5px; }
  to { opacity: 1; translate: 0 0; }
}

.monitor-page {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  align-content: stretch;
  gap: clamp(8px, 1.5vh, 14px);
}

.monitor-page .hero { flex: none; }
.monitor-page .readings-panel:not(:fullscreen) {
  min-height: 0;
  margin: 0;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
}
.monitor-page .readings-panel:not(:fullscreen) .readings {
  height: 100%;
  min-height: 0;
  align-items: stretch;
}
.monitor-page .readings-panel:not(:fullscreen) .reading-card {
  min-height: 0;
  grid-template-rows: minmax(0, 1fr) auto;
  align-content: stretch;
  align-items: center;
}
.monitor-page .readings-panel:not(:fullscreen) .reading-icon,
.monitor-page .readings-panel:not(:fullscreen) .reading-content { align-self: center; }

.page-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 28px;
}
.page-heading .eyebrow { margin-bottom: 4px; color: var(--teal); }
.page-heading h1 { font-size: clamp(1.65rem, 3vw, 2.35rem); }
.page-heading > p { max-width: 530px; margin: 0; color: var(--ink-soft); font-size: 0.9rem; text-align: right; }

.history-page,
.activities-page {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  gap: 14px;
}

.history-layout { height: 100%; min-height: 0; }
.chart-panel {
  min-height: 0;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) auto;
}
.history-layout .chart-wrap { height: auto; min-height: 0; margin-top: 16px; }
.history-side { min-height: 0; }
.history-side .facts-card { height: 100%; }

.activities-grid {
  min-height: 0;
  display: grid;
  grid-template-columns: minmax(280px, 0.85fr) minmax(0, 1.5fr);
  gap: 22px;
}
.activities-grid .mission-card { display: flex; flex-direction: column; justify-content: center; }
.activities-grid .mission-button { align-self: flex-start; }
.activities-grid .learn-strip {
  margin: 0;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1.45fr) auto;
  align-content: center;
}

footer { min-height: 0; padding: 0; }

@media (max-width: 900px) {
  .page-shell { width: min(100% - 24px, 1180px); }
  .history-layout { grid-template-columns: minmax(0, 1.45fr) minmax(230px, 0.7fr); }
  .chart-panel, .facts-card { padding: 20px; }
  .activities-grid { grid-template-columns: 0.9fr 1.2fr; gap: 14px; }
  .activities-grid .learn-strip { grid-template-columns: 1fr; gap: 14px; }
  .activities-grid .learn-badge { grid-column: auto; border-left: 0; border-top: 1px solid rgba(14,86,96,0.25); }
}

@media (max-width: 680px) {
  .page-shell {
    width: min(100% - 16px, 1180px);
    grid-template-rows: 58px 48px minmax(0, 1fr) 42px;
  }
  .topbar { min-height: 0; }
  .brand-mark { width: 41px; height: 37px; transform: scale(0.86); transform-origin: left center; }
  .brand { gap: 6px; }
  .brand strong { font-size: 1rem; }
  .brand small { font-size: 0.72rem; }
  .app-tabs { margin: 0 -2px; }
  .tab-list { padding: 3px; border-radius: 13px; }
  .tab-button { min-height: 39px; gap: 5px; padding: 6px 8px; font-size: 0.78rem; }
  .tab-icon { display: none; }
  .tab-page { padding: 9px 0; }
  .monitor-page { gap: 9px; }
  .monitor-page .hero { padding: 12px 14px; }
  .monitor-page .hero-copy { flex-direction: row; align-items: center; gap: 10px; }
  .monitor-page .hero-intro .eyebrow,
  .monitor-page .hero-intro > p:not(.eyebrow) { display: none; }
  .monitor-page .hero h1 { font-size: 1.3rem; }
  .monitor-page .hero-actions { flex: 1; justify-content: flex-end; }
  .monitor-page .hero-actions .primary-button,
  .monitor-page .hero-actions .secondary-button { min-height: 39px; flex: 0 1 auto; padding: 7px 10px; font-size: 0.78rem; }
  .monitor-page .hero-actions svg { display: none; }
  .readings-toolbar { margin-bottom: 8px; }
  .readings-toolbar .eyebrow { display: none; }
  .readings-toolbar h2 { font-size: 1.05rem; }
  .monitor-page .readings { grid-template-columns: 1fr; gap: 9px; }
  .monitor-page .reading-card { grid-template-columns: 48px 1fr; gap: 12px; padding: 12px 16px; }
  .monitor-page .reading-icon { width: 46px; height: 46px; border-radius: 14px; }
  .monitor-page .reading-icon svg { width: 27px; height: 27px; }
  .monitor-page .reading-value { font-size: clamp(2.7rem, 15vw, 3.7rem); }
  .monitor-page .reading-message { margin-top: 3px; font-size: 0.86rem; }
  .monitor-page .mini-range { display: none; }
  .page-heading { align-items: start; }
  .page-heading h1 { font-size: 1.35rem; }
  .page-heading > p { display: none; }
  .history-page,
  .activities-page { gap: 9px; }
  .history-layout { grid-template-columns: 1fr; grid-template-rows: minmax(0, 1fr) auto; gap: 9px; }
  .chart-panel { padding: 14px; }
  .panel-heading { flex-direction: row; align-items: end; }
  .panel-heading .eyebrow { display: none; }
  .panel-heading h2 { font-size: 1.05rem; }
  .chart-legend { gap: 8px; font-size: 0.7rem; }
  .history-layout .chart-wrap { margin-top: 8px; }
  .chart-footer { flex-direction: row; align-items: center; margin-top: 5px; font-size: 0.7rem; }
  .history-side .facts-card { padding: 10px 14px; }
  .facts-card .eyebrow { margin-bottom: 3px; }
  .facts-card dl { display: grid; grid-template-columns: 1fr 1fr; gap: 0 14px; margin: 0; }
  .facts-card dl > div { padding: 5px 0; font-size: 0.74rem; }
  .activities-grid { grid-template-columns: 1fr; grid-template-rows: 1fr 1fr; gap: 9px; }
  .activities-grid .mission-card { padding: 16px 18px; }
  .activities-grid .mission-card p:not(.eyebrow) { margin: 7px 0 10px; font-size: 0.86rem; }
  .activities-grid .mission-card h2 { font-size: 1.2rem; }
  .activities-grid .mission-button { min-height: 36px; padding: 6px 10px; font-size: 0.78rem; }
  .activities-grid .learn-strip { gap: 7px; padding: 16px 18px; }
  .activities-grid .learn-strip h2 { font-size: 1.15rem; }
  .activities-grid .learn-strip > p { font-size: 0.84rem; }
  .activities-grid .learn-badge { flex-direction: row; justify-content: center; gap: 10px; min-width: 0; padding: 6px; }
  footer { flex-direction: row; align-items: center; justify-content: space-between; }
  .footer-tagline { display: none; }
  .creator-credit { font-size: 0.72rem; }
  .footer-actions { gap: 6px; }
  .repository-link { min-height: 28px; padding: 4px 8px; font-size: 0.68rem; }
  footer .text-button { font-size: 0.74rem; }
}

@media (prefers-reduced-motion: reduce) {
  .tab-page { animation: none; }
}

/* Tarjetas de lectura v3 */
.monitor-page .readings-panel:not(:fullscreen) .readings {
  gap: 18px;
}

.monitor-page .readings-panel:not(:fullscreen) .reading-card {
  --card-accent: #126cd7;
  --card-accent-strong: #0b4da2;
  --card-tint: #edf6ff;
  --card-wash: #f8fcff;
  position: relative;
  display: grid;
  grid-template:
    "main badge" minmax(0, 1fr)
    "range range" auto / minmax(0, 1fr) auto;
  gap: 14px 18px;
  min-height: clamp(172px, 25vh, 204px);
  padding: clamp(14px, 2.2vh, 20px) clamp(16px, 2vw, 24px) clamp(12px, 2vh, 18px);
  border: 1px solid rgba(50, 126, 202, 0.2);
  border-radius: 22px;
  background:
    linear-gradient(135deg, rgba(255,255,255,0.95), rgba(255,255,255,0.72) 52%, var(--card-tint)),
    radial-gradient(circle at right top, var(--card-tint), transparent 56%);
  box-shadow:
    0 16px 34px rgba(22, 82, 139, 0.11),
    inset 0 1px 0 rgba(255,255,255,0.92);
  overflow: hidden;
  isolation: isolate;
}

.monitor-page .readings-panel:not(:fullscreen) .temperature-card {
  --card-accent: #3269e6;
  --card-accent-strong: #194bba;
  --card-tint: #e9f0ff;
}

.monitor-page .readings-panel:not(:fullscreen) .humidity-card {
  --card-accent: #0898c8;
  --card-accent-strong: #05779f;
  --card-tint: #e5f9ff;
}

.monitor-page .readings-panel:not(:fullscreen) .reading-card::before {
  content: "";
  position: absolute;
  z-index: 2;
  inset: 0 auto 0 0;
  width: 7px;
  background: linear-gradient(180deg, var(--card-accent), var(--card-accent-strong));
}

.monitor-page .readings-panel:not(:fullscreen) .reading-card::after {
  z-index: -1;
  width: 172px;
  height: 172px;
  right: -52px;
  top: -58px;
  background: rgba(18, 108, 215, 0.08);
  opacity: 1;
}

.monitor-page .readings-panel:not(:fullscreen) .reading-icon {
  grid-area: badge;
  position: relative;
  z-index: 1;
  width: 64px;
  height: 64px;
  border: 1px solid rgba(18, 108, 215, 0.16);
  border-radius: 18px;
  background: rgba(255,255,255,0.72);
  color: var(--card-accent);
  box-shadow: 0 12px 22px rgba(22, 82, 139, 0.1);
}

.monitor-page .readings-panel:not(:fullscreen) .reading-content {
  grid-area: main;
  z-index: 1;
  display: grid;
  align-content: center;
  min-width: 0;
  min-height: 0;
}

.monitor-page .readings-panel:not(:fullscreen) .reading-label {
  margin: 0 0 4px;
  color: var(--card-accent-strong);
  font-size: 0.88rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: none;
}

.monitor-page .readings-panel:not(:fullscreen) .reading-value {
  margin: 0;
  color: var(--ink);
  font-size: 4.35rem;
  line-height: 1;
  letter-spacing: 0;
}

.monitor-page .readings-panel:not(:fullscreen) .reading-unit {
  margin-left: 6px;
  color: var(--card-accent);
  font-size: 0.44em;
  vertical-align: 0.62em;
}

.monitor-page .readings-panel:not(:fullscreen) .reading-message {
  width: fit-content;
  max-width: 100%;
  margin: 8px 0 0;
  padding: 6px 11px;
  border: 1px solid rgba(18, 108, 215, 0.14);
  border-radius: 999px;
  background: rgba(255,255,255,0.8);
  color: #496a87;
  font-size: 0.85rem;
  font-weight: 800;
  white-space: nowrap;
}

.monitor-page .readings-panel:not(:fullscreen) .mini-range {
  grid-area: range;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 6px;
  margin-top: 0;
  padding: 6px;
  border: 1px solid rgba(18, 108, 215, 0.12);
  border-radius: 14px;
  background: rgba(255,255,255,0.68);
}

.monitor-page .readings-panel:not(:fullscreen) .mini-range span {
  min-width: 0;
  padding: 6px 7px;
  border-radius: 10px;
  color: #456987;
  font-size: 0.78rem;
  font-weight: 700;
  text-align: center;
  overflow: hidden;
  text-overflow: ellipsis;
}

.monitor-page .readings-panel:not(:fullscreen) .mini-range span:nth-child(2) {
  background: rgba(18, 108, 215, 0.12);
  color: var(--card-accent-strong);
}

@media (max-width: 980px) {
  .monitor-page .readings-panel:not(:fullscreen) .reading-card {
    min-height: clamp(164px, 24vh, 188px);
    padding: clamp(13px, 2vh, 18px) clamp(15px, 2vw, 20px) clamp(12px, 1.8vh, 16px);
  }
  .monitor-page .readings-panel:not(:fullscreen) .reading-value { font-size: 3.85rem; }
  .monitor-page .readings-panel:not(:fullscreen) .reading-icon { width: 56px; height: 56px; }
}

/* Espaciado adaptable para pantallas de poca altura y escalado grande */
@media (max-height: 720px) {
  .page-shell {
    grid-template-rows: 54px 46px minmax(0, 1fr) 42px;
  }

  .brand-mark {
    width: 42px;
    height: 38px;
    transform: scale(0.88);
    transform-origin: left center;
  }

  .brand strong { font-size: 1rem; }
  .brand small { margin-top: 2px; font-size: 0.72rem; }
  .connection-chip { padding: 6px 11px; font-size: 0.8rem; }
  .tab-list { padding: 3px; }
  .tab-button { min-height: 36px; padding-block: 5px; }
  .tab-page { padding: 8px 0; }

  .monitor-page .hero {
    padding-block: 11px;
    border-radius: 18px;
  }

  .monitor-page .hero h1 { font-size: clamp(1.45rem, 4vh, 1.8rem); }
  .monitor-page .hero-intro > p:not(.eyebrow) { margin-top: 2px; font-size: 0.82rem; }
  .monitor-page .hero .eyebrow { margin-bottom: 2px; font-size: 0.68rem; }
  .monitor-page .hero-actions .primary-button,
  .monitor-page .hero-actions .secondary-button { min-height: 38px; padding: 7px 12px; }
  .monitor-page .browser-note { display: none; }

  .readings-toolbar { margin-bottom: 6px; }
  .readings-toolbar .eyebrow { margin-bottom: 0; font-size: 0.68rem; }
  .readings-toolbar h2 { font-size: 1.12rem; }
  .fullscreen-button { min-height: 38px; padding: 6px 11px; font-size: 0.86rem; }

  .monitor-page .readings-panel:not(:fullscreen) .reading-card {
    min-height: 0;
    gap: 9px 14px;
    padding: 12px 18px 10px;
  }

  .monitor-page .readings-panel:not(:fullscreen) .reading-icon {
    width: 52px;
    height: 52px;
    border-radius: 15px;
  }

  .monitor-page .readings-panel:not(:fullscreen) .reading-value { font-size: 3.35rem; }
  .monitor-page .readings-panel:not(:fullscreen) .reading-message {
    margin-top: 5px;
    padding: 4px 9px;
    font-size: 0.74rem;
  }

  .monitor-page .readings-panel:not(:fullscreen) .mini-range {
    gap: 4px;
    padding: 4px;
  }

  .monitor-page .readings-panel:not(:fullscreen) .mini-range span {
    padding: 4px 5px;
    font-size: 0.7rem;
  }

  footer { font-size: 0.78rem; }
  .footer-signature { gap: 0; }
  .footer-tagline { display: none; }
}

@media (max-height: 590px) and (min-width: 681px) {
  .page-shell { grid-template-rows: 48px 42px minmax(0, 1fr) 34px; }
  .tab-page { padding: 6px 0; }
  .monitor-page { gap: 6px; }
  .monitor-page .hero { padding-block: 8px; }
  .monitor-page .hero-intro > p:not(.eyebrow),
  .monitor-page .hero .eyebrow { display: none; }
  .monitor-page .hero h1 { font-size: 1.35rem; }
  .readings-toolbar .eyebrow { display: none; }
  .monitor-page .readings-panel:not(:fullscreen) .mini-range { display: none; }
  .monitor-page .readings-panel:not(:fullscreen) .reading-card { padding-block: 9px; }
}

/* Proporción visual v4: datos protagonistas y tarjetas compactas */
.monitor-page {
  grid-template-rows: auto auto;
  align-content: start;
}

.monitor-page .readings-panel:not(:fullscreen) {
  grid-template-rows: auto auto;
}

.monitor-page .readings-panel:not(:fullscreen) .readings {
  height: auto;
  align-items: start;
}

.monitor-page .readings-panel:not(:fullscreen) .reading-card {
  width: 100%;
  height: clamp(220px, 34vh, 280px);
  min-height: 0;
}

.monitor-page .readings-panel:not(:fullscreen) .reading-content {
  align-content: center;
  justify-content: start;
}

.monitor-page .readings-panel:not(:fullscreen) .reading-label {
  margin-bottom: 2px;
  font-size: clamp(0.92rem, 1.4vw, 1.08rem);
}

.monitor-page .readings-panel:not(:fullscreen) .reading-value {
  font-size: clamp(5rem, 7.2vw, 6.8rem);
  line-height: 0.9;
  letter-spacing: -0.045em;
}

.monitor-page .readings-panel:not(:fullscreen) .reading-unit {
  margin-left: 0.12em;
  font-size: 0.34em;
  letter-spacing: 0;
  vertical-align: 0.95em;
}

.monitor-page .readings-panel:not(:fullscreen) .reading-message {
  margin-top: 7px;
  font-size: clamp(0.82rem, 1.2vw, 0.96rem);
}

.monitor-page .readings-panel:not(:fullscreen) .reading-icon {
  width: clamp(64px, 5.4vw, 78px);
  height: clamp(64px, 5.4vw, 78px);
  border-radius: clamp(18px, 1.7vw, 22px);
}

.monitor-page .readings-panel:not(:fullscreen) .reading-icon svg {
  width: 56%;
  height: 56%;
}

@media (max-height: 720px) and (min-width: 681px) {
  .monitor-page .readings-panel:not(:fullscreen) .reading-card {
    height: clamp(190px, 35vh, 220px);
  }

  .monitor-page .readings-panel:not(:fullscreen) .reading-value {
    font-size: clamp(4.35rem, 7vw, 5.6rem);
  }

  .monitor-page .readings-panel:not(:fullscreen) .reading-icon {
    width: 58px;
    height: 58px;
  }
}

@media (max-height: 590px) and (min-width: 681px) {
  .monitor-page .readings-panel:not(:fullscreen) .reading-card {
    height: clamp(170px, 34vh, 190px);
  }

  .monitor-page .readings-panel:not(:fullscreen) .reading-value {
    font-size: clamp(4rem, 6.6vw, 5rem);
  }
}

@media (max-width: 680px) {
  .monitor-page .readings-panel:not(:fullscreen) .reading-card {
    height: clamp(158px, 23vh, 198px);
  }

  .monitor-page .readings-panel:not(:fullscreen) .reading-value {
    font-size: clamp(3.55rem, 18vw, 4.35rem);
  }

  .monitor-page .readings-panel:not(:fullscreen) .reading-icon {
    width: 48px;
    height: 48px;
  }
}

@media (max-width: 680px) {
  .monitor-page .readings-panel:not(:fullscreen) .readings { gap: 10px; }
  .monitor-page .readings-panel:not(:fullscreen) .reading-card {
    min-height: 128px;
    grid-template:
      "main badge" minmax(0, 1fr)
      "range range" auto / minmax(0, 1fr) auto;
    gap: 8px 10px;
    padding: 12px 14px 11px 18px;
    border-radius: 16px;
  }
  .monitor-page .readings-panel:not(:fullscreen) .reading-card::before { width: 5px; }
  .monitor-page .readings-panel:not(:fullscreen) .reading-card::after {
    width: 118px;
    height: 118px;
    right: -42px;
    top: -48px;
  }
  .monitor-page .readings-panel:not(:fullscreen) .reading-icon {
    width: 42px;
    height: 42px;
    border-radius: 13px;
  }
  .monitor-page .readings-panel:not(:fullscreen) .reading-icon svg { width: 25px; height: 25px; }
  .monitor-page .readings-panel:not(:fullscreen) .reading-label { font-size: 0.75rem; }
  .monitor-page .readings-panel:not(:fullscreen) .reading-value { font-size: 3.1rem; }
  .monitor-page .readings-panel:not(:fullscreen) .reading-message {
    margin-top: 4px;
    padding: 4px 8px;
    font-size: 0.68rem;
  }
  .monitor-page .readings-panel:not(:fullscreen) .mini-range {
    gap: 4px;
    padding: 4px;
  }
  .monitor-page .readings-panel:not(:fullscreen) .mini-range span {
    padding: 4px 3px;
    font-size: 0.66rem;
  }
}