:root {
  --bg: #0a1826;
  --surface: rgba(20, 45, 69, .92);
  --surface-strong: #183b5b;
  --surface-soft: #10293f;
  --line: rgba(151, 211, 238, .22);
  --text: #f6fbff;
  --muted: #9bb3c5;
  --cyan: #47d6f2;
  --cyan-soft: rgba(71, 214, 242, .14);
  --blue: #628cff;
  --violet: #9b75ff;
  --green: #45dfa6;
  --green-soft: rgba(69, 223, 166, .14);
  --orange: #ffb45e;
  --red: #ff6f79;
  --shadow: 0 24px 70px rgba(0, 0, 0, .28);
  --radius-xl: 26px;
  --radius-lg: 20px;
  --radius-md: 15px;
  --safe-bottom: env(safe-area-inset-bottom, 0px);
}

* { box-sizing: border-box; }

html { min-height: 100%; background: var(--bg); }

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  background:
    radial-gradient(circle at 88% -8%, rgba(71, 214, 242, .27), transparent 32rem),
    radial-gradient(circle at 6% 72%, rgba(155, 117, 255, .16), transparent 31rem),
    radial-gradient(circle at 78% 102%, rgba(69, 223, 166, .14), transparent 27rem),
    linear-gradient(155deg, #15324b 0%, #0a1826 56%, #10283d 100%);
  font-family: Vazirmatn, IRANSans, Tahoma, system-ui, -apple-system, sans-serif;
  -webkit-font-smoothing: antialiased;
}

button, input, select, textarea { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
a { color: inherit; }

.ambient {
  position: fixed;
  z-index: -1;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
}
.ambient-one { width: 24rem; height: 24rem; right: -12rem; top: 16%; background: rgba(71, 214, 242, .13); }
.ambient-two { width: 22rem; height: 22rem; left: -13rem; bottom: 6%; background: rgba(155, 117, 255, .1); }

.app-shell { width: min(1180px, 100%); min-height: 100vh; margin: 0 auto; }

.app-header {
  position: sticky;
  top: 0;
  z-index: 20;
  min-height: 78px;
  padding: 14px clamp(16px, 4vw, 30px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  background: rgba(10, 27, 43, .82);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(18px);
}

.brand-block, .header-actions, .user-chip { display: flex; align-items: center; }
.brand-block { gap: 11px; }
.header-actions { gap: 10px; }

.brand-mark {
  width: 46px;
  height: 46px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
  overflow: hidden;
  border-radius: 15px;
  box-shadow: 0 10px 28px rgba(45, 190, 230, .27), 0 0 0 1px rgba(255, 255, 255, .08);
}
.brand-mark img, .auth-logo img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
}
.icon-button {
  width: 46px;
  height: 46px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
  border-radius: 15px;
  background: linear-gradient(145deg, #55def4, #2c8fe5);
  color: #032132;
  box-shadow: 0 10px 25px rgba(45, 165, 225, .24);
  text-decoration: none;
  font-weight: 900;
}
.icon-button { font-size: 34px; line-height: 1; }
.eyebrow { color: var(--muted); font-size: 11px; margin-bottom: 2px; }
.brand-title { font-size: 20px; font-weight: 900; letter-spacing: .03em; }

.user-chip {
  min-width: 44px;
  gap: 8px;
  padding: 5px 7px 5px 11px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, .03);
}
.user-avatar {
  width: 32px;
  height: 32px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: #052018;
  background: linear-gradient(145deg, #6be4bd, #2bc78f);
  font-weight: 900;
}
.user-name { max-width: 110px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 12px; }

.install-button {
  border: 1px solid rgba(54, 199, 232, .35);
  border-radius: 999px;
  padding: 8px 13px;
  color: var(--cyan);
  background: var(--cyan-soft);
  cursor: pointer;
}

.network-banner {
  position: fixed;
  top: 0;
  right: 0;
  left: 0;
  z-index: 80;
  padding: 8px 14px;
  color: #311b00;
  background: var(--orange);
  text-align: center;
  font-size: 12px;
  font-weight: 800;
}

.page-content { padding: 24px clamp(16px, 4vw, 30px) calc(100px + var(--safe-bottom)); }
.page-heading { display: flex; align-items: end; justify-content: space-between; margin: 0 0 18px; }
.page-heading h1 { margin: 0; font-size: clamp(22px, 4vw, 31px); letter-spacing: -.025em; }

.hero-card {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  display: grid;
  grid-template-columns: 1.35fr .65fr;
  gap: 18px;
  padding: clamp(20px, 4vw, 32px);
  border: 1px solid rgba(92, 211, 240, .27);
  border-radius: var(--radius-xl);
  background:
    radial-gradient(circle at 92% 5%, rgba(98, 140, 255, .22), transparent 24rem),
    linear-gradient(135deg, rgba(28, 72, 101, .97), rgba(16, 42, 65, .95));
  box-shadow: 0 28px 76px rgba(0, 0, 0, .34), 0 0 50px rgba(53, 190, 232, .05) inset;
}
.hero-card::before {
  content: '';
  position: absolute;
  z-index: -1;
  inset: 0;
  opacity: .18;
  background-image: radial-gradient(rgba(209, 244, 255, .7) 1px, transparent 1px);
  background-size: 19px 19px;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 72%);
  mask-image: linear-gradient(90deg, transparent, #000 72%);
}
.hero-card::after {
  content: '';
  position: absolute;
  width: 18rem;
  height: 18rem;
  left: -6rem;
  bottom: -12rem;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(71, 214, 242, .18), rgba(155, 117, 255, .1));
}
.hero-copy { position: relative; z-index: 1; }
.hero-copy h2 { margin: 4px 0 8px; font-size: clamp(21px, 4vw, 32px); }
.hero-copy p { max-width: 650px; margin: 0; color: #b5c8d5; line-height: 1.9; font-size: 13px; }
.hero-kicker { color: var(--cyan); font-size: 12px; font-weight: 800; }
.hero-summary { position: relative; z-index: 1; display: grid; grid-template-columns: repeat(2, minmax(90px, 1fr)); gap: 10px; align-content: center; }
.summary-tile { position: relative; overflow: hidden; padding: 15px; border: 1px solid rgba(151, 211, 237, .2); border-radius: 18px; background: linear-gradient(145deg, rgba(8, 27, 44, .72), rgba(24, 54, 77, .55)); box-shadow: 0 12px 30px rgba(0, 0, 0, .15); }
.summary-tile::before { content: ''; position: absolute; top: 0; right: 0; width: 46%; height: 3px; border-radius: 0 0 0 4px; background: linear-gradient(90deg, var(--cyan), var(--blue)); }
.summary-tile:nth-child(2)::before { background: linear-gradient(90deg, var(--green), var(--cyan)); }
.summary-value { display: block; font-size: 23px; font-weight: 900; }
.summary-label { color: var(--muted); font-size: 11px; }

.section-header { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin: 30px 2px 13px; }
.section-header h2 { margin: 0; font-size: 17px; }
.section-header h2::before { content: ''; display: inline-block; width: 4px; height: 16px; margin-left: 8px; border-radius: 999px; vertical-align: -2px; background: linear-gradient(var(--cyan), var(--violet)); box-shadow: 0 0 14px rgba(71, 214, 242, .32); }
.section-header p { margin: 4px 0 0; color: var(--muted); font-size: 12px; }

.device-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.device-card, .surface-card {
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  background: linear-gradient(155deg, rgba(27, 59, 88, .95), rgba(13, 35, 55, .96));
  box-shadow: 0 20px 52px rgba(0, 0, 0, .24);
}
.device-card { position: relative; overflow: hidden; transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease; }
.device-card::before { content: ''; position: absolute; z-index: 2; top: 0; right: 12%; left: 12%; height: 2px; border-radius: 0 0 4px 4px; background: linear-gradient(90deg, transparent, var(--cyan), var(--violet), transparent); opacity: .8; }
.device-card:hover { transform: translateY(-3px); border-color: rgba(71, 214, 242, .3); box-shadow: 0 25px 60px rgba(0, 0, 0, .28); }
.device-card-head { padding: 19px 19px 15px; display: flex; justify-content: space-between; align-items: flex-start; gap: 12px; }
.device-name { margin: 0 0 5px; font-size: 18px; }
.device-code { color: var(--muted); font-size: 11px; direction: ltr; text-align: right; }
.device-badges { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 6px; }

.status-pill, .tiny-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 9px;
  border-radius: 999px;
  border: 1px solid var(--line);
  font-size: 10px;
  white-space: nowrap;
}
.status-pill::before { content: ''; width: 7px; height: 7px; border-radius: 50%; background: var(--red); box-shadow: 0 0 0 4px rgba(255, 111, 121, .1); }
.status-pill.online { color: #8ff0cd; background: var(--green-soft); border-color: rgba(53, 211, 154, .22); }
.status-pill.online::before { background: var(--green); box-shadow: 0 0 0 4px rgba(53, 211, 154, .1); }
.tiny-badge { color: #b9cfdd; background: rgba(255, 255, 255, .03); }

.metrics-grid { padding: 0 19px 18px; display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 8px; }
.metric-tile { min-width: 0; padding: 12px 8px; border-radius: 14px; background: linear-gradient(145deg, rgba(3, 15, 26, .64), rgba(20, 47, 70, .35)); border: 1px solid rgba(148, 205, 232, .12); text-align: center; transition: transform .16s ease, border-color .16s ease; }
.metric-tile:hover { transform: translateY(-2px); border-color: rgba(71, 214, 242, .26); }
.metric-icon { display: block; margin-bottom: 4px; font-size: 15px; opacity: .85; }
.metric-tile:nth-child(1) .metric-icon, .metric-tile:nth-child(4) .metric-icon { color: var(--cyan); }
.metric-tile:nth-child(2) .metric-icon { color: var(--orange); }
.metric-tile:nth-child(3) .metric-icon { color: var(--violet); }
.metric-tile:nth-child(5) .metric-icon { color: var(--green); }
.metric-value { display: block; direction: ltr; font-weight: 900; font-size: 14px; white-space: nowrap; }
.metric-label { display: block; margin-top: 4px; color: var(--muted); font-size: 9px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

.quick-controls { padding: 16px 19px 18px; border-top: 1px solid var(--line); background: rgba(3, 16, 28, .32); }
.quick-controls-title { display: flex; justify-content: space-between; align-items: center; margin-bottom: 11px; color: #c7d8e3; font-size: 12px; }
.sync-text { color: var(--muted); font-size: 9px; direction: ltr; }
.control-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 9px; }
.output-control {
  min-height: 82px;
  padding: 10px 8px;
  border: 1px solid var(--line);
  border-radius: 17px;
  color: #b9cbd6;
  background: rgba(255, 255, 255, .025);
  cursor: pointer;
  transition: transform .16s ease, border-color .16s ease, background .16s ease;
}
.output-control:hover { transform: translateY(-2px); border-color: rgba(54, 199, 232, .4); }
.output-control:disabled { opacity: .55; cursor: wait; transform: none; }
.output-control.active { color: #9ff5d7; border-color: rgba(69, 223, 166, .45); background: linear-gradient(145deg, rgba(69, 223, 166, .2), rgba(71, 214, 242, .11)); box-shadow: 0 10px 24px rgba(35, 198, 141, .1), 0 0 0 1px rgba(69, 223, 166, .06) inset; }
.output-icon { display: block; margin-bottom: 7px; font-size: 23px; }
.output-label { display: block; font-weight: 800; font-size: 11px; }
.output-state { display: block; margin-top: 3px; color: var(--muted); font-size: 9px; }
.output-control.active .output-state { color: #7fe5c0; }

.relay-strip { padding: 14px 19px; display: flex; flex-wrap: wrap; gap: 7px; border-top: 1px solid var(--line); }
.relay-chip { padding: 6px 8px; border-radius: 999px; color: #718b9d; background: rgba(255, 255, 255, .025); border: 1px solid rgba(148, 190, 214, .08); font-size: 9px; }
.relay-chip.on { color: #8ff0cd; background: var(--green-soft); border-color: rgba(53, 211, 154, .19); }

.device-card-footer { padding: 13px 19px 17px; display: flex; justify-content: space-between; align-items: center; gap: 10px; }
.last-seen { color: var(--muted); font-size: 10px; }
.card-actions { display: flex; flex-wrap: wrap; gap: 7px; }

.button, .button-secondary, .button-danger, .button-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  min-height: 42px;
  padding: 9px 15px;
  border-radius: 14px;
  border: 0;
  text-decoration: none;
  font-weight: 800;
  font-size: 12px;
  cursor: pointer;
}
.button { color: #03241c; background: linear-gradient(145deg, #69ebbd, #30c98f); box-shadow: 0 12px 28px rgba(48, 201, 143, .2); }
.button-secondary { color: #e7fbff; background: linear-gradient(145deg, rgba(71, 214, 242, .18), rgba(98, 140, 255, .11)); border: 1px solid rgba(71, 214, 242, .3); }
.button-danger { color: #ffd9dc; background: rgba(255, 111, 121, .11); border: 1px solid rgba(255, 111, 121, .25); }
.button-ghost { color: #b8cbd8; background: rgba(255, 255, 255, .035); border: 1px solid var(--line); }
.button-block { width: 100%; }

.empty-state { padding: 44px 20px; border: 1px dashed rgba(148, 190, 214, .24); border-radius: var(--radius-xl); text-align: center; background: rgba(13, 29, 46, .45); }
.empty-icon { width: 62px; height: 62px; margin: 0 auto 15px; display: grid; place-items: center; border-radius: 20px; background: var(--cyan-soft); color: var(--cyan); font-size: 27px; }
.empty-state h2 { margin: 0 0 7px; font-size: 18px; }
.empty-state p { margin: 0 auto 18px; max-width: 500px; color: var(--muted); line-height: 1.8; font-size: 12px; }

.surface-card { padding: clamp(17px, 4vw, 24px); }
.surface-card + .surface-card { margin-top: 15px; }
.card-title-row { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin-bottom: 18px; }
.card-title-row h2 { margin: 0; font-size: 17px; }
.card-title-row p { margin: 4px 0 0; color: var(--muted); font-size: 11px; }

.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.field { display: grid; gap: 7px; }
.field.full { grid-column: 1 / -1; }
.field label, .field-label { color: #c2d1db; font-size: 11px; }
.input, .select, input[type='text'], input[type='tel'], input[type='email'], input[type='password'], input[type='number'], input[type='time'], select {
  width: 100%;
  min-height: 46px;
  padding: 10px 12px;
  color: var(--text);
  background: rgba(11, 33, 51, .78);
  border: 1px solid var(--line);
  border-radius: 13px;
  outline: none;
}
input:focus, select:focus { border-color: rgba(54, 199, 232, .55); box-shadow: 0 0 0 3px rgba(54, 199, 232, .09); }
.checkbox-row { display: flex; align-items: center; gap: 10px; min-height: 46px; padding: 10px 12px; border: 1px solid var(--line); border-radius: 13px; background: rgba(3, 15, 26, .4); }
.checkbox-row input { width: 18px; height: 18px; accent-color: var(--green); }
.form-actions { margin-top: 18px; display: flex; justify-content: flex-start; gap: 9px; }

.notice { margin: 0 0 15px; padding: 12px 14px; border-radius: 14px; border: 1px solid var(--line); font-size: 12px; line-height: 1.7; }
.notice.success { color: #a3f3d7; background: var(--green-soft); border-color: rgba(53, 211, 154, .24); }
.notice.error { color: #ffd1d5; background: rgba(255, 111, 121, .1); border-color: rgba(255, 111, 121, .22); }
.notice.info { color: #cceffa; background: var(--cyan-soft); border-color: rgba(54, 199, 232, .2); }

.responsive-table { width: 100%; overflow-x: auto; border: 1px solid var(--line); border-radius: 16px; }
table { width: 100%; border-collapse: collapse; min-width: 650px; font-size: 11px; }
th, td { padding: 10px 8px; border-bottom: 1px solid var(--line); text-align: center; }
th { position: sticky; top: 0; color: #c9d9e3; background: #0c2134; }
tr:last-child td { border-bottom: 0; }

.auth-shell { min-height: 100vh; padding: 24px 16px; display: grid; place-items: center; }
.auth-card { width: min(430px, 100%); padding: 27px; border: 1px solid var(--line); border-radius: 28px; background: rgba(20, 47, 72, .94); box-shadow: var(--shadow); backdrop-filter: blur(18px); }
.auth-logo { width: 68px; height: 68px; margin: 0 auto 15px; display: grid; place-items: center; overflow: hidden; border-radius: 22px; background: transparent; box-shadow: 0 15px 36px rgba(45, 181, 224, .26), 0 0 0 1px rgba(255, 255, 255, .08); text-decoration: none; }
.auth-card h1, .auth-card h2 { text-align: center; }
.auth-card h1 { margin: 0; font-size: 25px; }
.auth-card h2 { margin: 6px 0 20px; color: var(--muted); font-size: 13px; font-weight: 500; }
.auth-card .field { margin-bottom: 12px; }
.auth-links { margin-top: 16px; color: var(--muted); text-align: center; font-size: 11px; }
.auth-links a { color: var(--cyan); text-decoration: none; }

.bottom-nav {
  position: fixed;
  z-index: 30;
  right: 50%;
  bottom: max(10px, var(--safe-bottom));
  transform: translateX(50%);
  width: min(410px, calc(100% - 24px));
  min-height: 67px;
  padding: 7px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 5px;
  border: 1px solid rgba(148, 190, 214, .2);
  border-radius: 22px;
  background: linear-gradient(145deg, rgba(24, 54, 79, .97), rgba(12, 34, 53, .97));
  box-shadow: 0 16px 45px rgba(0, 0, 0, .42);
  backdrop-filter: blur(18px);
}
.bottom-nav-item { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 2px; border-radius: 16px; color: var(--muted); text-decoration: none; font-size: 9px; }
.bottom-nav-item.active { color: #ddfaff; background: linear-gradient(145deg, rgba(71, 214, 242, .2), rgba(98, 140, 255, .12)); box-shadow: 0 8px 22px rgba(46, 180, 222, .08); }
.bottom-nav-icon { font-size: 20px; line-height: 1; }

.toast {
  position: fixed;
  z-index: 100;
  right: 50%;
  bottom: calc(92px + var(--safe-bottom));
  transform: translate(50%, 20px);
  max-width: min(380px, calc(100% - 32px));
  padding: 12px 16px;
  border: 1px solid var(--line);
  border-radius: 15px;
  color: var(--text);
  background: rgba(7, 23, 38, .97);
  box-shadow: 0 18px 45px rgba(0, 0, 0, .35);
  opacity: 0;
  pointer-events: none;
  transition: .2s ease;
  font-size: 11px;
}
.toast.show { opacity: 1; transform: translate(50%, 0); }
.toast.error { border-color: rgba(255, 111, 121, .35); }

.legacy-note { padding: 13px; border-radius: 14px; color: #b2c5d1; background: rgba(255, 255, 255, .025); border: 1px dashed var(--line); font-size: 10px; line-height: 1.8; }
.detail-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 16px; }
.sensor-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 9px; }
.sensor-row { padding: 14px; border-radius: 15px; background: rgba(3, 15, 26, .5); border: 1px solid var(--line); }
.sensor-row span { display: block; color: var(--muted); font-size: 10px; }
.sensor-row strong { display: block; margin-top: 6px; direction: ltr; text-align: right; font-size: 18px; }

.detail-stack { display: grid; gap: 16px; }
.device-card-detail { width: 100%; }
.device-card-detail .metrics-grid { grid-template-columns: repeat(5, minmax(90px, 1fr)); }

.action-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 11px; }
.action-card {
  min-height: 126px;
  padding: 16px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  border: 1px solid var(--line);
  border-radius: 18px;
  color: var(--text);
  background: rgba(3, 15, 26, .48);
  text-decoration: none;
  transition: .16s ease;
}
.action-card:hover { transform: translateY(-2px); border-color: rgba(54, 199, 232, .36); background: var(--cyan-soft); }
.action-card-icon { width: 37px; height: 37px; margin-bottom: 10px; display: grid; place-items: center; border-radius: 12px; color: var(--cyan); background: var(--cyan-soft); font-size: 20px; }
.action-card strong { font-size: 13px; }
.action-card small { margin-top: 6px; color: var(--muted); font-size: 9px; line-height: 1.7; }

.info-panel { display: flex; align-items: center; gap: 15px; }
.info-panel-icon { width: 50px; height: 50px; flex: 0 0 auto; display: grid; place-items: center; border-radius: 16px; color: var(--cyan); background: var(--cyan-soft); font-size: 25px; }
.info-panel h2 { margin: 0 0 6px; font-size: 15px; }
.info-panel p { margin: 0; color: var(--muted); font-size: 11px; line-height: 1.9; }
.compact-info { align-self: stretch; }
.device-management-grid { align-items: stretch; }

.managed-device-list { display: grid; gap: 10px; }
.managed-device-row { padding: 15px 17px; display: grid; grid-template-columns: minmax(220px, 1fr) minmax(180px, .7fr) auto; align-items: center; gap: 14px; border: 1px solid var(--line); border-radius: 19px; background: rgba(13, 29, 46, .78); }
.managed-device-main { display: flex; align-items: center; gap: 12px; }
.managed-device-main strong { display: block; font-size: 13px; }
.managed-device-main small { display: block; margin-top: 4px; color: var(--muted); font-size: 9px; text-align: right; }
.managed-device-meta { display: grid; gap: 4px; color: var(--muted); font-size: 9px; }
.managed-device-actions { display: flex; align-items: center; gap: 7px; }
.managed-device-actions form { margin: 0; }

.thermostat-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 15px; }
.thermostat-card { margin: 0 !important; }
.title-with-icon { display: flex; align-items: center; gap: 9px; }
.title-with-icon > span { width: 34px; height: 34px; display: grid; place-items: center; border-radius: 11px; color: var(--cyan); background: var(--cyan-soft); font-size: 18px; }
.toggle-control { display: inline-flex; align-items: center; gap: 9px; color: var(--muted); font-size: 10px; cursor: pointer; user-select: none; }
.toggle-state { min-width: 42px; color: var(--muted); font-weight: 800; text-align: left; transition: color .16s ease; }
[data-toggle].is-active .toggle-state { color: #8ff0cd; }
.setting-toggle-row { min-height: 68px; padding: 12px 14px; display: flex; align-items: center; justify-content: space-between; gap: 14px; border: 1px solid var(--line); border-radius: 16px; background: rgba(12, 35, 54, .58); cursor: pointer; transition: border-color .16s ease, background .16s ease; }
.setting-toggle-row.is-active { border-color: rgba(69, 223, 166, .3); background: linear-gradient(145deg, rgba(69, 223, 166, .1), rgba(71, 214, 242, .06)); }
.setting-toggle-copy { display: grid; gap: 5px; }
.setting-toggle-copy strong { color: var(--text); font-size: 12px; }
.setting-toggle-copy small { color: var(--muted); font-size: 9px; line-height: 1.7; }
.settings-lower-grid { margin-top: 15px; }
.field-help { margin: 13px 0 0; color: var(--muted); font-size: 10px; line-height: 1.9; }
.sticky-form-actions { position: sticky; z-index: 12; bottom: calc(88px + var(--safe-bottom)); margin: 17px auto 0; padding: 10px; width: fit-content; display: flex; gap: 8px; border: 1px solid var(--line); border-radius: 18px; background: rgba(15, 40, 61, .94); box-shadow: 0 15px 45px rgba(0, 0, 0, .28); backdrop-filter: blur(18px); }

.week-grid { display: grid; grid-template-columns: repeat(7, minmax(85px, 1fr)); gap: 8px; overflow-x: auto; padding-bottom: 3px; }
.day-card { min-width: 85px; padding: 12px 10px; display: grid; gap: 9px; border: 1px solid var(--line); border-radius: 15px; background: rgba(13, 37, 57, .58); }
.day-card strong { font-size: 11px; }
.day-card label { display: flex; align-items: center; gap: 6px; color: var(--muted); font-size: 9px; }
.day-card input { width: 16px; height: 16px; accent-color: var(--green); }
.timer-surface { margin-top: 15px; }
.timer-title-row { align-items: flex-start; }
.segmented-control { padding: 4px; display: flex; gap: 3px; border: 1px solid var(--line); border-radius: 14px; background: rgba(3, 15, 26, .55); }
.segmented-control button { min-width: 75px; padding: 7px 12px; border: 0; border-radius: 10px; color: var(--muted); background: transparent; cursor: pointer; font-size: 10px; }
.segmented-control button.active { color: #dff9ff; background: var(--cyan-soft); }
.timer-panel { display: none; }
.timer-panel.active { display: block; }
.timer-table { min-width: 520px; }
.timer-table input[type='time'] { min-height: 38px; padding: 6px 8px; }
.slot-number { width: 27px; height: 27px; display: inline-grid; place-items: center; border-radius: 9px; color: var(--muted); background: rgba(255, 255, 255, .04); }
.mini-switch { position: relative; display: inline-flex; flex: 0 0 auto; }
.mini-switch input { position: absolute; opacity: 0; pointer-events: none; }
.mini-switch > span { position: relative; width: 44px; height: 24px; display: inline-block; border: 1px solid rgba(157, 192, 212, .16); border-radius: 999px; background: #29445a; box-shadow: 0 4px 12px rgba(0, 0, 0, .18) inset; cursor: pointer; transition: background .18s ease, border-color .18s ease, box-shadow .18s ease; }
.mini-switch > span::after { content: ''; position: absolute; width: 18px; height: 18px; top: 2px; right: 3px; border-radius: 50%; background: #a7bbc8; box-shadow: 0 2px 7px rgba(0, 0, 0, .3); transition: right .18s ease, background .18s ease, transform .18s ease; }
.mini-switch input:checked + span { border-color: rgba(69, 223, 166, .5); background: linear-gradient(90deg, #24b87f, #45dfa6); box-shadow: 0 0 18px rgba(69, 223, 166, .18); }
.mini-switch input:checked + span::after { right: 21px; background: #f2fff9; }
.mini-switch input:focus-visible + span { outline: 3px solid rgba(71, 214, 242, .25); outline-offset: 2px; }
.timer-validation-errors[hidden] { display: none !important; }
.timer-validation-errors strong { display: block; margin-bottom: 7px; }
.timer-validation-errors ul { margin: 0; padding-right: 18px; line-height: 1.9; }
.timer-row-error td { background: rgba(255, 111, 121, .07); }
.timer-row-error input[type='time'], input[type='time'][aria-invalid='true'] { border-color: rgba(255, 111, 121, .72); box-shadow: 0 0 0 3px rgba(255, 111, 121, .1); }

.landing-shell { min-height: 100vh; padding: clamp(18px, 5vw, 60px); display: grid; place-items: center; }
.landing-card { position: relative; overflow: hidden; width: min(1060px, 100%); min-height: min(650px, calc(100vh - 60px)); padding: clamp(24px, 5vw, 58px); display: grid; grid-template-columns: 1.05fr .95fr; align-items: center; gap: 30px; border: 1px solid var(--line); border-radius: 34px; background: linear-gradient(145deg, rgba(27, 61, 89, .96), rgba(13, 37, 57, .97)); box-shadow: var(--shadow); }
.landing-brand { position: absolute; top: 28px; right: clamp(24px, 5vw, 58px); display: flex; align-items: center; gap: 11px; }
.landing-brand .auth-logo { width: 48px; height: 48px; margin: 0; border-radius: 15px; font-size: 21px; }
.landing-brand strong, .landing-brand small { display: block; }
.landing-brand strong { font-size: 18px; }
.landing-brand small { margin-top: 2px; color: var(--muted); font-size: 8px; letter-spacing: .14em; }
.landing-copy { padding-top: 44px; position: relative; z-index: 2; }
.landing-copy h1 { max-width: 600px; margin: 9px 0 14px; font-size: clamp(29px, 5vw, 52px); line-height: 1.42; letter-spacing: -.04em; }
.landing-copy p { max-width: 610px; margin: 0; color: #aec3d1; font-size: 13px; line-height: 2; }
.landing-actions { margin-top: 25px; display: flex; gap: 9px; }
.feature-pills { margin-top: 25px; display: flex; flex-wrap: wrap; gap: 7px; }
.feature-pills span { padding: 7px 10px; border: 1px solid var(--line); border-radius: 999px; color: var(--muted); background: rgba(255, 255, 255, .025); font-size: 9px; }
.landing-visual { position: relative; min-height: 390px; display: grid; place-items: center; }
.visual-ring { position: absolute; border: 1px solid rgba(54, 199, 232, .13); border-radius: 50%; }
.ring-one { width: 340px; height: 340px; }
.ring-two { width: 245px; height: 245px; box-shadow: 0 0 80px rgba(54, 199, 232, .09) inset; }
.visual-device { position: relative; z-index: 1; width: 210px; height: 285px; padding: 26px; display: flex; flex-direction: column; align-items: center; justify-content: center; border: 1px solid rgba(120, 214, 235, .27); border-radius: 38px; background: linear-gradient(155deg, #163d58, #081b2c); box-shadow: 0 30px 70px rgba(0, 0, 0, .36), 0 0 50px rgba(54, 199, 232, .08); transform: rotate(-3deg); }
.visual-status { position: absolute; top: 21px; left: 23px; width: 8px; height: 8px; border-radius: 50%; background: var(--green); box-shadow: 0 0 0 5px var(--green-soft); }
.visual-device strong { direction: ltr; font-size: 49px; }
.visual-device small { margin-top: 4px; color: var(--muted); font-size: 8px; letter-spacing: .15em; }
.visual-controls { margin-top: 28px; display: flex; gap: 10px; }
.visual-controls i { width: 31px; height: 31px; border: 1px solid var(--line); border-radius: 11px; background: rgba(54, 199, 232, .08); }

@media (max-width: 820px) {
  .device-grid, .detail-grid { grid-template-columns: 1fr; }
  .hero-card { grid-template-columns: 1fr; }
  .hero-summary { grid-template-columns: repeat(2, 1fr); }
  .managed-device-row { grid-template-columns: 1fr auto; }
  .managed-device-meta { display: none; }
  .landing-card { grid-template-columns: 1fr; padding-top: 100px; }
  .landing-visual { display: none; }
}

@media (max-width: 620px) {
  .app-header { min-height: 68px; padding: 11px 14px; }
  .brand-mark, .icon-button { width: 42px; height: 42px; border-radius: 14px; }
  .eyebrow, .user-name { display: none; }
  .brand-title { font-size: 18px; }
  .page-content { padding: 19px 13px calc(96px + var(--safe-bottom)); }
  .hero-card { padding: 19px; }
  .hero-summary { grid-template-columns: repeat(2, 1fr); }
  .metrics-grid { grid-template-columns: repeat(3, 1fr); }
  .device-card-head, .metrics-grid, .quick-controls, .relay-strip, .device-card-footer { padding-right: 14px; padding-left: 14px; }
  .device-card-footer { align-items: flex-start; flex-direction: column; }
  .card-actions { width: 100%; }
  .card-actions > * { flex: 1; }
  .form-grid { grid-template-columns: 1fr; }
  .field.full { grid-column: auto; }
  .surface-card { border-radius: 21px; }
  .action-grid, .thermostat-grid { grid-template-columns: 1fr; }
  .device-card-detail .metrics-grid { grid-template-columns: repeat(3, 1fr); }
  .managed-device-row { grid-template-columns: 1fr; align-items: flex-start; }
  .managed-device-actions { width: 100%; }
  .managed-device-actions > *, .managed-device-actions form, .managed-device-actions button { flex: 1; width: 100%; }
  .timer-title-row { flex-direction: column; }
  .segmented-control { width: 100%; }
  .segmented-control button { flex: 1; }
  .sticky-form-actions { width: calc(100% - 8px); }
  .sticky-form-actions > * { flex: 1; }
  .landing-shell { padding: 12px; }
  .landing-card { min-height: calc(100vh - 24px); padding: 94px 22px 34px; border-radius: 25px; }
  .landing-brand { top: 25px; right: 22px; }
  .landing-copy h1 { font-size: 31px; }
  .landing-actions { flex-direction: column; }
  .landing-actions > * { width: 100%; }
}

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