:root {
  color-scheme: light;
  --cronics-navy: #071f3d;
  --cronics-navy-soft: #12365f;
  --cronics-red: #df1738;
  --cronics-blue: #1559b7;
  --cronics-background: #f3f6fa;
  --cronics-surface: #ffffff;
  --cronics-surface-muted: #eef3f8;
  --cronics-text: #102740;
  --cronics-muted: #62748a;
  --cronics-border: #d7e0ea;
  --cronics-success: #167052;
  --cronics-warning: #965c0a;
  --cronics-danger: #bd2f40;
  --cronics-info: #185da9;
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 22px;
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-8: 32px;
  --space-10: 40px;
  --shadow-card: 0 12px 34px rgba(7, 31, 61, .08);
  --bg: var(--cronics-background);
  --panel: var(--cronics-surface);
  --panel2: var(--cronics-surface-muted);
  --ink: var(--cronics-text);
  --muted: var(--cronics-muted);
  --accent: var(--cronics-blue);
  --accent2: var(--cronics-red);
  --error:#ff756d;
  --line: var(--cronics-border);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html { min-width: 320px; background: var(--cronics-background); }
body {
  margin: 0;
  min-width: 320px;
  min-height: 100vh;
  overflow-x: hidden;
  background: radial-gradient(circle at 10% 0%, rgba(21, 89, 183, .07), transparent 28rem), var(--cronics-background);
  color: var(--cronics-text);
  line-height: 1.5;
}
button, input, select { font: inherit; }
button { cursor: pointer; }
button:disabled { cursor: not-allowed; opacity: .5; }
button:active:not(:disabled) { transform: translateY(1px); }

.shell {
  width: min(100%, 1180px);
  margin: 0 auto;
  padding: calc(var(--space-5) + env(safe-area-inset-top)) var(--space-4) calc(104px + env(safe-area-inset-bottom));
}
.topbar {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  width: min(100%, 1040px);
  min-height: 72px;
  margin: 0 auto var(--space-5);
  padding: var(--space-2) var(--space-3);
}
.brand-lockup {
  display: flex;
  align-items: center;
  width: 132px;
  height: 94px;
  overflow: hidden;
  border-radius: var(--radius-sm);
  background: var(--cronics-surface);
  box-shadow: 0 4px 14px rgba(7, 31, 61, .06);
}
.brand-logo {
  display: block;
  width: 212px;
  height: auto;
  margin: -27px -40px;
  clip-path: inset(18% 19% 17%);
}
.eyebrow, .label, .section-label {
  margin: 0;
  color: var(--cronics-blue);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .13em;
  text-transform: uppercase;
}
.eyebrow::before {
  display: inline-block;
  width: 18px;
  height: 2px;
  margin: 0 8px 3px 0;
  border-radius: 2px;
  background: var(--cronics-red);
  content: "";
}

.icon-button, .inline-button, .text-button {
  min-height: 44px;
  border-radius: var(--radius-sm);
  color: var(--cronics-navy);
  font-weight: 750;
}
.icon-button {
  width: 44px;
  margin-left: auto;
  border: 1px solid var(--cronics-border);
  background: var(--cronics-surface);
  box-shadow: 0 4px 14px rgba(7, 31, 61, .06);
  font-size: 20px;
}
.text-button { margin-left: auto; padding: 0 10px; border: 0; background: transparent; font-size: 12px; }
.topbar .text-button + .icon-button { margin-left: 0; }
.topbar #logout, .topbar #showSessions { display: none !important; }

.app-navigation {
  position: fixed;
  z-index: 4;
  right: var(--space-4);
  bottom: calc(var(--space-4) + env(safe-area-inset-bottom));
  left: var(--space-4);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-1);
  padding: 6px;
  border: 1px solid rgba(215, 224, 234, .9);
  border-radius: 20px;
  background: rgba(255, 255, 255, .96);
  box-shadow: 0 16px 38px rgba(7, 31, 61, .18);
  backdrop-filter: blur(16px);
}
.app-navigation button {
  min-height: 56px;
  border: 0;
  border-radius: 15px;
  background: transparent;
  color: var(--cronics-muted);
  font-size: 11px;
  font-weight: 800;
}
.app-navigation button span { display: block; margin-bottom: 1px; font-size: 18px; }
.app-navigation button[aria-current="page"] { background: var(--cronics-navy); color: #fff; }
.app-screen, #dashboard, #empty, #pairing { width: min(100%, 920px); margin-right: auto; margin-left: auto; }
.card {
  border: 1px solid var(--cronics-border);
  border-radius: var(--radius-lg);
  background: var(--cronics-surface);
  box-shadow: var(--shadow-card);
}

.auth-card, .pairing {
  width: min(100%, 520px);
  margin: var(--space-8) auto 0;
  padding: clamp(24px, 5vw, 40px);
}
.auth-heading { margin-bottom: var(--space-6); text-align: left; }
.auth-card h2, .pairing h2 {
  margin: 8px 0 0;
  color: var(--cronics-navy);
  font-size: clamp(28px, 5vw, 36px);
  line-height: 1.13;
  letter-spacing: -.04em;
}
.auth-tagline { margin: 8px 0 0; color: var(--cronics-red); font-size: 13px; font-weight: 800; letter-spacing: .04em; }
.auth-copy, .pairing p { margin: 10px 0 0; color: var(--cronics-muted); font-size: 14px; line-height: 1.6; }
.auth-card label, .pairing label, .rename-panel > label, .profile-picker > label {
  display: block;
  margin: var(--space-4) 0 0;
  color: var(--cronics-text);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .07em;
  text-transform: uppercase;
}
.auth-card input, .pairing input, .pairing select, .rename-panel input, .profile-search-control input, select {
  display: block;
  width: 100%;
  min-height: 48px;
  margin-top: 7px;
  padding: 12px 14px;
  border: 1px solid var(--cronics-border);
  border-radius: var(--radius-sm);
  outline: none;
  background: var(--cronics-surface);
  color: var(--cronics-text);
  text-transform: none;
  letter-spacing: normal;
}
input::placeholder { color: #8c9aad; }
input:focus, select:focus { border-color: var(--cronics-blue); box-shadow: 0 0 0 3px rgba(21, 89, 183, .12); }
.auth-feedback, .offline-banner {
  margin: var(--space-4) 0 0;
  padding: 12px 14px;
  border: 1px solid rgba(189, 47, 64, .3);
  border-radius: var(--radius-sm);
  background: rgba(189, 47, 64, .07);
  color: #8d1f31;
  font-size: 12px;
  line-height: 1.5;
}
.auth-feedback.success {
  border-color: rgba(22, 112, 82, .28);
  background: rgba(22, 112, 82, .08);
  color: var(--cronics-success);
}
.primary, .secondary, .link-button, .danger-button {
  min-height: 46px;
  border-radius: var(--radius-sm);
  padding: 12px 17px;
  font-weight: 800;
}
.primary { width: 100%; margin-top: 18px; border: 1px solid var(--cronics-navy); background: var(--cronics-navy); color: #fff; }
.primary:hover:not(:disabled) { background: var(--cronics-navy-soft); }
.primary.compact { width: auto; }
.secondary { border: 1px solid var(--cronics-border); background: var(--cronics-surface); color: var(--cronics-navy); }
.secondary:hover:not(:disabled) { border-color: #b9c8d8; background: var(--cronics-surface-muted); }
.link-button { width: 100%; margin-top: 5px; border: 0; background: transparent; color: var(--cronics-blue); font-size: 12px; }
.danger-button { border: 1px solid rgba(189, 47, 64, .25); background: rgba(189, 47, 64, .07); color: var(--cronics-danger); }
.reset-request { width: 100%; margin-top: var(--space-3); }

.pairing { margin-top: var(--space-2); }
.pair-actions { display: grid; grid-template-columns: 1fr 1.45fr; gap: var(--space-2); margin-top: var(--space-5); }
.pair-actions .primary { margin: 0; }
.development-only { margin-top: var(--space-4); padding: 14px; border: 1px solid rgba(150, 92, 10, .24); border-radius: var(--radius-md); background: rgba(150, 92, 10, .06); }
.development-only > strong { color: var(--cronics-warning); font-size: 11px; letter-spacing: .08em; text-transform: uppercase; }
.development-only p { margin: 7px 0 12px; }
.development-only .secondary { width: 100%; }

.page-heading { display: flex; align-items: flex-start; justify-content: space-between; gap: var(--space-4); margin: 10px 0 0; }
.page-heading h2 { margin: 5px 0 0; color: var(--cronics-navy); font-size: clamp(28px, 5vw, 38px); line-height: 1.12; letter-spacing: -.045em; }
.page-copy { margin: 9px 0 var(--space-6); color: var(--cronics-muted); font-size: 14px; }
.inline-button { padding: 0 11px; border: 1px solid var(--cronics-border); background: var(--cronics-surface); color: var(--cronics-blue); font-size: 11px; }
.inline-button:hover:not(:disabled) { border-color: var(--cronics-blue); }

.summary-grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-3); }
.summary-card { min-height: 132px; padding: var(--space-5); display: flex; flex-direction: column; justify-content: space-between; }
.summary-card:first-child { border-top: 3px solid var(--cronics-red); }
.summary-card:nth-child(2) { border-top: 3px solid var(--cronics-blue); }
.summary-card strong { color: var(--cronics-navy); font-size: 42px; line-height: 1; letter-spacing: -.06em; }
.summary-card span { color: var(--cronics-muted); font-size: 12px; }
.home-status { display: flex; align-items: center; gap: 13px; margin-top: var(--space-3); padding: 18px 20px; }
.home-status-dot { width: 11px; height: 11px; flex: 0 0 auto; border: 3px solid rgba(22, 112, 82, .16); border-radius: 50%; background: var(--cronics-success); background-clip: padding-box; }
.home-status strong { color: var(--cronics-navy); font-size: 16px; }
.home-status p { margin: 3px 0 0; color: var(--cronics-muted); font-size: 12px; }
.quick-actions { margin-top: var(--space-8); }
.quick-actions h3 { margin-bottom: var(--space-3); color: var(--cronics-navy); font-size: 18px; }
.quick-actions .secondary, .settings-actions .secondary, .settings-actions .danger-button { width: 100%; margin-top: 9px; }

.devices-heading { margin-bottom: 0; }
.device-list { display: grid; gap: var(--space-3); margin-bottom: var(--space-8); }
.device-list-card {
  position: relative;
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr) auto;
  align-items: center;
  gap: var(--space-3);
  min-height: 112px;
  padding: var(--space-4);
  overflow: hidden;
  border: 1px solid var(--cronics-border);
  border-radius: var(--radius-md);
  background: var(--cronics-surface);
  color: var(--cronics-text);
  box-shadow: 0 5px 18px rgba(7, 31, 61, .05);
  text-align: left;
}
.device-list-card::before { position: absolute; top: 0; bottom: 0; left: 0; width: 3px; background: transparent; content: ""; }
.device-list-card:hover, .device-list-card:focus-visible { border-color: #afc1d4; box-shadow: 0 10px 24px rgba(7, 31, 61, .09); }
.device-list-card.selected { border-color: rgba(21, 89, 183, .5); background: #f9fbfe; }
.device-list-card.selected::before { background: var(--cronics-red); }
.device-list-icon { display: grid; place-items: center; width: 48px; height: 48px; border-radius: 14px; background: var(--cronics-navy); color: #fff; font-weight: 900; }
.compatible-device .device-list-icon { border: 1px solid rgba(21, 89, 183, .22); background: rgba(21, 89, 183, .08); color: var(--cronics-blue); }
.device-list-content { display: block; min-width: 0; }
.device-card-heading { display: flex; align-items: center; gap: 8px; min-width: 0; }
.device-list-card strong { min-width: 0; overflow: hidden; font-size: 15px; text-overflow: ellipsis; white-space: nowrap; }
.device-list-card small { display: block; margin-top: 5px; overflow: hidden; color: var(--cronics-muted); font-size: 11px; line-height: 1.4; text-overflow: ellipsis; white-space: nowrap; }
.device-list-card b { color: #8a9aad; font-size: 25px; font-weight: 500; }
.device-badge { flex: 0 0 auto; padding: 3px 7px; border-radius: 999px; background: rgba(223, 23, 56, .08); color: var(--cronics-red); font-size: 9px; font-weight: 850; letter-spacing: .05em; text-transform: uppercase; }
.device-badge.compatible { border: 1px solid var(--cronics-border); background: var(--cronics-surface); color: var(--cronics-muted); }
.status-pill { display: inline-flex; align-items: center; gap: 6px; width: fit-content; margin-top: 9px; padding: 4px 8px; border-radius: 999px; font-size: 10px; font-weight: 800; }
.status-pill::before { width: 6px; height: 6px; border-radius: 50%; background: currentColor; content: ""; }
.status-online, .status-connected { background: rgba(22, 112, 82, .09); color: var(--cronics-success); }
.status-offline { background: rgba(189, 47, 64, .09); color: var(--cronics-danger); }
.status-warning { background: rgba(150, 92, 10, .09); color: var(--cronics-warning); }
.status-loading { background: rgba(98, 116, 138, .1); color: var(--cronics-muted); }

.detail-heading { margin: 0 0 var(--space-4); padding-top: var(--space-6); border-top: 1px solid var(--cronics-border); }
.detail-heading h2 { margin: 5px 0 0; color: var(--cronics-navy); font-size: 25px; }
.device-row { margin-bottom: var(--space-3); padding: var(--space-4); border: 1px solid var(--cronics-border); border-radius: var(--radius-md); background: var(--cronics-surface); }
.device-row > label { display: block; margin: 0 0 7px; color: var(--cronics-muted); font-size: 10px; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }
.select-wrap { display: flex; align-items: center; gap: var(--space-2); }
.select-wrap select { min-width: 0; flex: 1; margin-top: 0; }
.connection { display: inline-flex; align-items: center; gap: 6px; flex: 0 0 auto; padding: 7px 9px; border-radius: 999px; background: var(--cronics-surface-muted); color: var(--cronics-muted); font-size: 11px; font-weight: 800; white-space: nowrap; }
.connection i { width: 7px; height: 7px; border-radius: 50%; background: currentColor; }
.connection.online { background: rgba(22, 112, 82, .09); color: var(--cronics-success); }
.connection.offline { background: rgba(189, 47, 64, .09); color: var(--cronics-danger); }
.connection-health { display: flex; flex-wrap: wrap; gap: 3px 6px; margin: 8px 2px 0; color: var(--cronics-muted); font-size: 10px; }
.device-actions { display: flex; flex-wrap: wrap; gap: 7px; margin-top: var(--space-3); }
.device-actions .inline-button { min-height: 38px; }
.controlled-device-row { border-left: 3px solid var(--cronics-blue); }
.controlled-device-row .inline-button { white-space: nowrap; }
.offline-banner { margin: 0 0 var(--space-3); }
.device-offline .hero, .device-offline .control, .device-offline .profile-card { border-color: rgba(189, 47, 64, .38); }
.device-offline .sensor-time, .device-offline .connection-health #lastSeenText { color: var(--cronics-danger); }
.rename-panel { margin-top: var(--space-3); padding: var(--space-4); border: 1px solid var(--cronics-border); border-radius: var(--radius-md); background: var(--cronics-surface-muted); }
.rename-panel > label { margin-top: 0; }
.rename-actions { display: grid; grid-template-columns: 1fr 1.5fr; gap: var(--space-2); margin-top: 10px; }
.rename-actions .primary { margin: 0; }

.hero { padding: clamp(20px, 4vw, 30px); margin-bottom: var(--space-3); overflow: hidden; }
.hero-top { display: flex; align-items: flex-start; justify-content: space-between; gap: var(--space-4); }
.room-temp { display: flex; align-items: flex-start; margin-top: 4px; color: var(--cronics-navy); font-size: clamp(46px, 10vw, 62px); font-weight: 350; line-height: 1; letter-spacing: -.06em; }
.room-temp small { margin: 4px 0 0 7px; color: var(--cronics-blue); font-size: 17px; }
.humidity { display: flex; align-items: center; gap: var(--space-2); padding: 9px 11px; border-radius: var(--radius-sm); background: rgba(21, 89, 183, .07); color: var(--cronics-blue); }
.humidity .drop { font-size: 9px; transform: rotate(45deg); }
.humidity-copy { display: flex; flex-direction: column; align-items: flex-end; line-height: 1.15; }
.humidity-copy > small { color: var(--cronics-muted); font-size: 9px; white-space: nowrap; }
.humidity-copy > span { font-size: 11px; }
.humidity-copy strong { font-size: 16px; }
#chart { width: 100%; height: 82px; margin: var(--space-3) 0 0; overflow: visible; color: var(--cronics-blue); }
.chart-line { fill: none; stroke: var(--cronics-blue); stroke-width: 2.4; stroke-linecap: round; stroke-linejoin: round; }
.chart-fill { fill: url(#fill); }
#fill stop:first-child { stop-color: var(--cronics-blue); stop-opacity: .18; }
#fill stop:last-child { stop-color: var(--cronics-blue); stop-opacity: 0; }
.sensor-time { margin: 3px 0 0; color: var(--cronics-muted); font-size: 11px; }

#climateView { display: grid; gap: var(--space-3); }
.control { padding: clamp(20px, 4vw, 28px); }
.control-head { display: flex; align-items: center; justify-content: space-between; gap: var(--space-4); }
.control-head h2, .profile-heading h2, .profile-card h2 { margin: 4px 0 0; color: var(--cronics-navy); font-size: 23px; }
.power { width: 54px; height: 54px; border: 1px solid var(--cronics-border); border-radius: var(--radius-md); background: var(--cronics-surface-muted); color: var(--cronics-muted); font-size: 23px; }
.control.on .power { border-color: var(--cronics-red); background: var(--cronics-red); color: #fff; box-shadow: 0 8px 22px rgba(223, 23, 56, .18); }
.setpoint { display: flex; align-items: center; justify-content: center; gap: clamp(26px, 7vw, 42px); padding: 28px 0 25px; }
.setpoint button { width: 48px; height: 48px; border: 1px solid var(--cronics-border); border-radius: 50%; background: var(--cronics-surface); color: var(--cronics-navy); font-size: 26px; }
.setpoint div { position: relative; min-width: 98px; text-align: center; }
.setpoint strong { color: var(--cronics-navy); font-size: 58px; font-weight: 350; line-height: 1; letter-spacing: -.07em; }
.setpoint div > span { position: absolute; top: 1px; color: var(--cronics-blue); font-size: 16px; }
.setpoint small { display: block; margin-top: 2px; color: var(--cronics-muted); font-size: 9px; letter-spacing: .15em; }
.section-label { margin-bottom: 10px; }
.segments { display: flex; gap: 7px; padding-bottom: 5px; overflow-x: auto; scrollbar-width: none; }
.segments button { min-height: 40px; flex: 0 0 auto; padding: 8px 12px; border: 1px solid var(--cronics-border); border-radius: var(--radius-sm); background: var(--cronics-surface); color: var(--cronics-muted); font-size: 12px; }
.segments button.active { border-color: var(--cronics-navy); background: var(--cronics-navy); color: #fff; }
.quick-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 9px; margin-top: var(--space-4); }
.quick { display: grid; grid-template-columns: 31px 1fr; grid-template-rows: auto auto; align-items: center; padding: 12px; border: 1px solid var(--cronics-border); border-radius: var(--radius-sm); background: var(--cronics-surface); color: var(--cronics-text); text-align: left; }
.quick > span { grid-row: 1 / 3; color: var(--cronics-blue); font-size: 20px; }
.quick small { color: var(--cronics-muted); font-size: 10px; }
.quick strong { font-size: 12px; }
.quick.active { border-color: rgba(21, 89, 183, .45); background: rgba(21, 89, 183, .06); }
.state-note { margin: var(--space-4) 0 0; color: var(--cronics-muted); font-size: 10px; line-height: 1.5; }

.profile-card { padding: clamp(20px, 4vw, 28px); margin-top: var(--space-3); }
#climateView > .profile-card { margin-top: 0; }
.profile-heading { display: flex; align-items: flex-start; justify-content: space-between; gap: var(--space-3); }
.profile-busy { color: var(--cronics-blue); font-size: 11px; font-weight: 750; }
.profile-current, .selected-profile, .candidate-profile { margin-top: var(--space-4); padding: 14px; border: 1px solid var(--cronics-border); border-radius: var(--radius-sm); background: var(--cronics-surface-muted); }
.profile-current span, .selected-profile span, .candidate-label, .profile-field-label { display: block; color: var(--cronics-muted); font-size: 10px; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.profile-current strong, .selected-profile strong, .candidate-profile > strong { display: block; margin-top: 5px; font-size: 14px; }
.profile-message, .candidate-profile p, .profile-decision p { margin: 14px 0 0; color: var(--cronics-muted); font-size: 12px; line-height: 1.5; }
.profile-search-control { display: flex; gap: 7px; margin-top: 7px; }
.profile-search-control input { min-width: 0; flex: 1; margin: 0; }
.profile-search-control button { width: 46px; border: 1px solid var(--cronics-border); border-radius: var(--radius-sm); background: var(--cronics-surface); color: var(--cronics-muted); font-size: 21px; }
.profile-search-message { margin: 8px 2px 0; color: var(--cronics-muted); font-size: 11px; line-height: 1.45; }
.profile-search-results, .profile-models, .device-type-picker { display: grid; gap: 8px; margin-top: 10px; }
.profile-search-results button, .profile-model, .device-type-picker button { display: flex; width: 100%; align-items: center; justify-content: space-between; gap: var(--space-3); padding: 12px 13px; border: 1px solid var(--cronics-border); border-radius: var(--radius-sm); background: var(--cronics-surface); color: var(--cronics-text); text-align: left; }
.profile-search-results button:hover, .profile-model:hover, .profile-model.selected, .device-type-picker button:first-child { border-color: rgba(21, 89, 183, .45); background: rgba(21, 89, 183, .05); }
.profile-search-results strong, .profile-model strong { font-size: 13px; }
.profile-search-results small, .profile-model span, .profile-model small, .device-type-picker small { color: var(--cronics-muted); font-size: 10px; }
.profile-model { display: grid; justify-content: stretch; }
.profile-model span, .profile-model small { display: block; }
.profile-models-section { margin-top: 18px; }
.selected-profile small { display: block; margin-top: 5px; overflow-wrap: anywhere; color: var(--cronics-muted); font-size: 10px; }
.candidate-profile { border-color: rgba(150, 92, 10, .25); background: rgba(150, 92, 10, .05); }
.candidate-label { color: var(--cronics-warning); }
.candidate-profile .primary { margin-top: 14px; }
.profile-reaction { margin-top: 18px; padding-top: 17px; border-top: 1px solid var(--cronics-border); }
.profile-reaction > strong { font-size: 14px; }
.profile-actions { display: grid; gap: 8px; margin-top: 12px; }
.profile-actions .primary { margin: 0; }
.profile-decision { margin-top: 14px; }
.profile-decision .secondary { width: 100%; margin-top: 8px; }
.profile-decision .primary { margin-top: 10px; }
.device-type-picker { margin: var(--space-4) 0; }

.settings-card { padding: var(--space-6); margin-top: var(--space-3); }
.settings-card h3 { margin: 6px 0 0; color: var(--cronics-navy); font-size: 21px; }
.settings-muted { color: var(--cronics-muted); font-size: 12px; }
.settings-card > .secondary { width: 100%; margin-top: var(--space-3); }
.session-panel { margin-top: 18px; padding-top: 14px; border-top: 1px solid var(--cronics-border); }
.session-panel h4 { margin: 0 0 10px; }
.session-panel p { padding: 10px 0; border-bottom: 1px solid var(--cronics-border); color: var(--cronics-muted); font-size: 12px; }
.settings-actions { margin-top: 18px; }
.settings-about { display: flex; flex-direction: column; align-items: center; gap: 2px; margin-top: var(--space-6); color: var(--cronics-muted); font-size: 10px; text-align: center; }
.settings-about strong { color: var(--cronics-navy); font-size: 12px; letter-spacing: .14em; }

.empty { padding: 68px 22px; color: var(--cronics-muted); text-align: center; }
.empty-icon { color: var(--cronics-blue); font-size: 50px; }
.empty h2 { color: var(--cronics-navy); }
.empty .primary { margin-top: var(--space-3); }
.status { position: fixed; z-index: 5; bottom: calc(90px + env(safe-area-inset-bottom)); left: 50%; width: max-content; max-width: calc(100% - 32px); padding: 11px 15px; transform: translate(-50%, 16px); border: 1px solid rgba(22, 112, 82, .2); border-radius: var(--radius-sm); background: #eaf7f2; color: #0d573f; box-shadow: var(--shadow-card); font-size: 12px; font-weight: 750; opacity: 0; pointer-events: none; transition: .2s; }
.status.show { transform: translate(-50%, 0); opacity: 1; }
.status.error { border-color: rgba(189, 47, 64, .22); background: #faecef; color: #8d1f31; }
.hidden { display: none !important; }
.app-navigation button:focus-visible, .primary:focus-visible, .secondary:focus-visible, .danger-button:focus-visible, .inline-button:focus-visible, .icon-button:focus-visible, .device-list-card:focus-visible, .link-button:focus-visible { outline: 3px solid rgba(21, 89, 183, .35); outline-offset: 2px; }

@media (max-width: 520px) {
  .shell { padding-right: 14px; padding-left: 14px; }
  .topbar { min-height: 62px; padding-right: 2px; padding-left: 2px; }
  .brand-lockup { width: 116px; height: 84px; }
  .brand-logo { width: 188px; margin: -24px -36px; }
  .summary-card { min-height: 118px; padding: var(--space-4); }
  .summary-card strong { font-size: 36px; }
  .select-wrap { align-items: stretch; flex-direction: column; }
  .connection { align-self: flex-start; }
  .device-card-heading { align-items: flex-start; flex-direction: column; gap: 4px; }
  .device-list-card small { white-space: normal; }
  .device-badge { align-self: flex-start; }
  .pair-actions, .rename-actions { grid-template-columns: 1fr; }
  .pair-actions .primary { grid-row: 1; }
  .profile-actions { grid-template-columns: 1fr; }
}
@media (max-width: 370px) {
  .connection-health-separator { display: none; }
  .connection-health span:not(.connection-health-separator) { flex-basis: 100%; }
  .device-list-card { grid-template-columns: 42px minmax(0, 1fr); }
  .device-list-icon { width: 42px; height: 42px; }
  .device-list-card > b { display: none; }
  .quick-grid { grid-template-columns: 1fr; }
}
@media (min-width: 700px) {
  .shell { padding-top: calc(var(--space-6) + env(safe-area-inset-top)); padding-bottom: 48px; }
  .topbar { margin-bottom: var(--space-4); }
  .brand-lockup { width: 144px; height: 102px; }
  .brand-logo { width: 232px; margin: -30px -44px; }
  .app-navigation { position: sticky; top: 14px; right: auto; bottom: auto; left: auto; width: min(100%, 620px); margin: 0 auto var(--space-8); }
  .app-navigation button { min-height: 50px; }
  .device-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .summary-card { min-height: 148px; }
  .status { bottom: 24px; }
}
@media (min-width: 960px) {
  .topbar { width: min(100%, 1040px); padding-right: 0; padding-left: 0; }
  .app-screen, #dashboard, #empty, #pairing { width: min(100%, 960px); }
  #climateView { grid-template-columns: minmax(0, 1.04fr) minmax(0, .96fr); gap: var(--space-4); align-items: start; }
  .hero { margin-bottom: var(--space-4); }
  .device-row { padding: var(--space-5); }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; }
}