:root {
  --bg-0: #0b1016;
  --bg-1: #15212c;
  --bg-2: #20333b;
  --surface: #111c25e6;
  --surface-strong: #172631f2;
  --card: #13222ccc;
  --card-border: #6fb7c466;
  --text: #edf7fb;
  --muted: #a9c1c9;
  --ok: #4bd08f;
  --warn: #f0b44c;
  --bad: #ef6d6d;
  --accent: #55c7d8;
  --accent-strong: #f2b84b;
  --radius: 8px;
  --shadow: 0 24px 70px #00000045;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Segoe UI", "Noto Sans", sans-serif;
  color: var(--text);
  background: linear-gradient(120deg, #0b1016 0%, #17232d 48%, #20333b 100%);
  min-height: 100vh;
}

a {
  color: inherit;
  text-decoration: none;
}

.backdrop {
  position: fixed;
  inset: 0;
  background-image: linear-gradient(transparent 95%, #ffffff08 95%),
                    linear-gradient(90deg, transparent 95%, #ffffff08 95%);
  background-size: 28px 28px;
  mask-image: linear-gradient(#000, transparent 88%);
  pointer-events: none;
}

.site-header,
.site-footer,
.site-shell,
.app {
  position: relative;
}

.site-header {
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 18px 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border: 1px solid #8fd6dc80;
  border-radius: var(--radius);
  background: #10242d;
  color: #dffcff;
  font-size: 0.82rem;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px;
}

.site-nav a {
  padding: 8px 10px;
  border-radius: var(--radius);
  color: var(--muted);
  font-size: 0.94rem;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  color: var(--text);
  background: #ffffff12;
}

.site-nav .nav-action,
.site-nav .nav-live {
  color: #101417;
  background: var(--accent-strong);
  font-weight: 700;
}

.site-nav .nav-action:hover,
.site-nav .nav-action[aria-current="page"],
.site-nav .nav-live:hover,
.site-nav .nav-live[aria-current="page"] {
  color: #101417;
  background: #ffd36d;
}

.site-shell {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 18px 0 56px;
}

.hero-section {
  min-height: auto;
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(360px, 0.72fr);
  align-items: center;
  gap: 24px;
  padding: 12px 0 24px;
}

.hero-copy {
  max-width: 720px;
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  overflow-wrap: anywhere;
}

.nowrap {
  white-space: nowrap;
  overflow-wrap: normal;
  word-break: keep-all;
}

.hero-copy h1,
.section-head h2,
.title-wrap h1 {
  margin: 0;
  letter-spacing: 0;
  line-height: 1.04;
}

.hero-copy h1 {
  font-size: clamp(2.5rem, 5vw, 4.9rem);
  max-width: 760px;
}

.hero-lead {
  max-width: 660px;
  margin: 20px 0 0;
  color: #d1e3e8;
  font-size: 1.14rem;
  line-height: 1.65;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  border: 1px solid #8bcde355;
  background: #182b36;
  color: var(--text);
  border-radius: var(--radius);
  padding: 10px 14px;
  cursor: pointer;
  font: inherit;
  font-weight: 650;
  white-space: nowrap;
}

.btn:hover:not(:disabled) {
  border-color: #b6eef2aa;
  transform: translateY(-1px);
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-primary {
  background: linear-gradient(145deg, #eeb24b, #d78135);
  border-color: #ffd27d99;
  color: #101417;
}

.btn-accent {
  background: linear-gradient(145deg, #1c8b86, #1a6f97);
}

.tplung-console {
  align-self: stretch;
  border: 1px solid #d8f6f840;
  border-radius: var(--radius);
  background: linear-gradient(160deg, #172832f0, #101a22f2);
  box-shadow: var(--shadow);
  padding: 16px;
}

.console-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 14px;
  padding-bottom: 14px;
  border-bottom: 1px solid #d8f6f822;
}

.console-head span,
.console-tile span {
  color: var(--muted);
  font-size: 0.78rem;
  text-transform: uppercase;
}

.console-head strong {
  color: #ffe09a;
  font-size: 1.4rem;
}

.console-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.console-tile {
  min-height: 104px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 14px;
  border: 1px solid #d8f6f82b;
  border-radius: var(--radius);
  background: #0c151de0;
  padding: 14px;
}

.console-tile strong {
  line-height: 1.25;
}

.tile-wide {
  grid-column: 1 / -1;
  min-height: 118px;
  background: linear-gradient(135deg, #203c46, #142028);
}

.console-link {
  border-color: #f2b84b99;
  background: #2c2518;
}

.console-link strong {
  color: #ffe09a;
}

.overview-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 12px;
  margin-top: 8px;
}

.overview-tile {
  min-height: 126px;
  border: 1px solid #d8f6f833;
  border-radius: var(--radius);
  background: var(--surface);
  padding: 18px;
  box-shadow: 0 16px 44px #00000024;
}

.overview-tile.accent-tile {
  background: linear-gradient(145deg, #23444b, #14222a);
  border-color: #89d3d880;
}

.overview-tile strong {
  display: block;
  color: #ffe09a;
  font-size: 2rem;
  line-height: 1;
}

.overview-tile span {
  display: block;
  margin-top: 10px;
  color: var(--muted);
  line-height: 1.35;
}

.section-block {
  padding: 72px 0 0;
}

.section-head {
  max-width: 760px;
}

.section-head h2 {
  font-size: clamp(1.8rem, 3.8vw, 3.2rem);
}

.section-head p:not(.eyebrow) {
  color: var(--muted);
  font-size: 1.04rem;
  line-height: 1.65;
}

.feature-grid,
.interface-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-top: 26px;
}

.mail-control-grid {
  grid-template-columns: repeat(4, 1fr);
}

.feature-card,
.interface-panel,
.timeline-step {
  border: 1px solid #d8f6f833;
  border-radius: var(--radius);
  background: linear-gradient(160deg, #14242ee8, #0f1820e8);
  padding: 18px;
}

.feature-card {
  min-height: 236px;
  display: flex;
  flex-direction: column;
  box-shadow: 0 16px 44px #00000022;
}

.feature-icon {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 6px;
  background: #203941;
  color: #ffe09a;
  font-weight: 850;
}

.feature-card h3,
.interface-panel h3 {
  margin: 16px 0 0;
  font-size: 1.05rem;
}

.feature-card p,
.interface-panel p,
.timeline-step p {
  margin: 10px 0 0;
  color: var(--muted);
  line-height: 1.55;
  hyphens: auto;
  text-align: justify;
}

.use-case-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 26px;
}

.use-case-card {
  display: grid;
  grid-template-columns: minmax(180px, 0.92fr) minmax(0, 1fr);
  gap: 14px;
  align-items: stretch;
  border: 1px solid #d8f6f833;
  border-radius: var(--radius);
  background: linear-gradient(160deg, #14242ee8, #0f1820e8);
  padding: 12px;
  box-shadow: 0 16px 44px #00000022;
}

.use-case-card-wide {
  grid-column: 1 / -1;
  grid-template-columns: minmax(280px, 0.78fr) minmax(0, 1fr);
}

.use-case-idea {
  border-color: #f2b84b66;
  background: linear-gradient(160deg, #182c34e8, #171d18e8);
}

.use-case-visual {
  margin: 0;
  min-height: 190px;
  border: 1px solid #86dcff33;
  border-radius: var(--radius);
  background: #07142599;
  overflow: hidden;
}

.use-case-visual img {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 190px;
  object-fit: cover;
}

.use-case-copy {
  display: flex;
  min-width: 0;
  flex-direction: column;
  justify-content: center;
  padding: 4px 4px 4px 0;
}

.use-case-copy h3 {
  margin: 0;
  font-size: 1.08rem;
}

.use-case-copy p {
  margin: 10px 0 0;
  color: var(--muted);
  line-height: 1.55;
  hyphens: auto;
  text-align: justify;
}

.use-case-metrics {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  margin-top: 14px;
}

.use-case-metrics span {
  border: 1px solid #f2b84b55;
  border-radius: 8px;
  background: #201b1099;
  color: #ffe09a;
  padding: 8px 10px;
  font-size: 0.86rem;
  font-weight: 750;
}

.code-block {
  margin: 12px 0 0;
  padding: 10px 12px;
  border: 1px solid #d8f6f83a;
  border-radius: var(--radius);
  background: #07101cde;
  color: #d5edf2;
  font-family: "Consolas", "Courier New", monospace;
  font-size: 0.82rem;
  line-height: 1.45;
  white-space: pre-wrap;
}

.report-panel {
  width: min(100%, 800px);
  margin-top: 1rem;
  padding: 14px;
}

.report-panel h3 {
  margin-top: 0;
}

.report-preview {
  margin: 12px 0 0;
  max-width: 760px;
  max-height: 430px;
  overflow: auto;
  border: 1px solid #d8f6f83a;
  border-radius: var(--radius);
  background: #07101cde;
}

.report-preview img {
  display: block;
  width: 100%;
  height: auto;
  border: 0;
}

.connection-layout {
  display: grid;
  grid-template-columns: minmax(280px, 0.86fr) minmax(0, 1fr);
  gap: 18px;
  align-items: start;
  margin-top: 26px;
}

.connection-diagram {
  margin: 0;
  border: 1px solid #d8f6f833;
  border-radius: var(--radius);
  background: #f8fafc;
  padding: 12px;
}

.connection-diagram img {
  display: block;
  width: 100%;
  max-height: 620px;
  object-fit: contain;
}

.connection-panels {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.accent-panel {
  border-color: #f2b84b77;
  background: linear-gradient(160deg, #1f2e2ce8, #1c1a10e8);
}

.compact-actions {
  margin-top: 16px;
}

.firmware-shell {
  max-width: 1180px;
}

.settings-workbench {
  margin-top: 18px;
  border: 1px solid #d8f6f833;
  border-radius: var(--radius);
  background: linear-gradient(160deg, #14242ee8, #0f1820e8);
  overflow: hidden;
}

.settings-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding: 12px;
  border-bottom: 1px solid #d8f6f822;
  background: #07101c88;
}

.settings-tab {
  border: 1px solid #d8f6f82e;
  border-radius: 8px;
  background: #0d1b27;
  color: var(--muted);
  padding: 9px 12px;
  font: inherit;
  font-weight: 750;
  cursor: pointer;
}

.settings-tab.active {
  border-color: #7bcff488;
  background: #18394b;
  color: var(--text);
}

.settings-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding: 12px;
  border-bottom: 1px solid #d8f6f822;
}

.settings-screen {
  padding: 18px;
}

.settings-section-head {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 14px;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 14px;
}

.settings-section-head h2 {
  margin: 0;
  font-size: clamp(1.35rem, 2.2vw, 2rem);
}

.settings-section-head p {
  margin: 0;
  color: #ffe09a;
  font-family: "Consolas", "Courier New", monospace;
  font-size: 0.86rem;
}

.settings-form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.setting-row {
  display: grid;
  grid-template-columns: minmax(150px, 0.92fr) minmax(0, 1fr);
  gap: 12px;
  align-items: center;
  min-height: 48px;
  padding: 10px 12px;
  border: 1px solid #d8f6f82e;
  border-radius: var(--radius);
  background: #07101c99;
  color: var(--muted);
}

.setting-row span {
  color: #d5edf2;
  font-weight: 700;
}

.setting-row .hint-label {
  cursor: help;
  text-decoration: underline dotted #7bcff499;
  text-underline-offset: 3px;
}

.setting-row input,
.setting-row select {
  min-width: 0;
  width: 100%;
  border: 1px solid #7bcff466;
  border-radius: 8px;
  background: #081522;
  color: var(--text);
  padding: 8px 9px;
  font: inherit;
}

.setting-row input[type="checkbox"] {
  justify-self: end;
  width: 42px;
  height: 22px;
  accent-color: #7bcff4;
}

.settings-group {
  display: grid;
  gap: 10px;
  min-width: 0;
  margin: 0;
  padding: 12px;
  border: 1px solid #d8f6f82e;
  border-radius: var(--radius);
  background: #07101c66;
}

.settings-group legend {
  padding: 0 8px;
  color: #ffe09a;
  font-weight: 850;
}

.settings-group .setting-row {
  border-color: #7bcff433;
  background: #081522aa;
}

.readonly-row output {
  justify-self: end;
  color: #ffe09a;
  font-weight: 850;
}

.firmware-port-panel input[type="text"],
.command-row input[type="text"] {
  border: 1px solid #7bcff466;
  border-radius: var(--radius);
  background: #07101c;
  color: var(--text);
  padding: 9px 10px;
  font: inherit;
}

.firmware-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 18px;
}

.firmware-panel {
  min-height: 0;
}

.firmware-panel-wide {
  grid-column: 1 / -1;
}

.preset-grid,
.settings-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
}

.preset-grid .btn {
  min-height: 36px;
  padding: 8px 10px;
  font-size: 0.88rem;
}

.settings-chips span {
  border: 1px solid #d8f6f82e;
  border-radius: 999px;
  background: #07101c99;
  color: #d5edf2;
  padding: 6px 9px;
  font-size: 0.82rem;
}

.command-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 10px;
  margin-top: 14px;
}

.command-check {
  display: inline-flex;
  margin-top: 12px;
}

.command-log {
  min-height: 180px;
  max-height: 320px;
  overflow: auto;
}

.feature-points {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: auto;
  padding-top: 18px;
}

.feature-points span {
  border: 1px solid #d8f6f82e;
  border-radius: 999px;
  background: #07101c99;
  color: #d5edf2;
  padding: 5px 8px;
  font-size: 0.78rem;
}

.split-section {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(320px, 1fr);
  gap: 28px;
  align-items: start;
}

.timeline {
  display: grid;
  gap: 12px;
}

.timeline-step span {
  color: var(--accent-strong);
  font-weight: 850;
}

.timeline-step strong {
  display: block;
  margin-top: 8px;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 24px 0 34px;
  color: var(--muted);
  border-top: 1px solid #d8f6f822;
}

.site-footer a {
  color: #ffe09a;
}

.app {
  padding: 18px;
  max-width: 1280px;
  margin: 0 auto;
}

.live-shell {
  padding-top: 28px;
}

.toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: end;
  justify-content: space-between;
}

.live-toolbar {
  padding: 22px;
  border: 1px solid #d8f6f833;
  border-radius: var(--radius);
  background: var(--surface);
}

.title-wrap h1 {
  font-size: clamp(1.7rem, 3vw, 2.6rem);
}

.title-wrap p:not(.eyebrow) {
  margin: 8px 0 0;
  color: var(--muted);
}

.controls {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.publish-note {
  margin-top: 14px;
  display: flex;
  flex-wrap: wrap;
  gap: 6px 10px;
  align-items: center;
  padding: 11px 12px;
  border: 1px solid #f2b84b55;
  border-radius: var(--radius);
  background: #211b0e99;
  color: var(--muted);
}

.publish-note strong {
  color: var(--accent-strong);
}

.panel {
  margin-top: 16px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  padding: 12px;
  border: 1px solid #d8f6f833;
  border-radius: var(--radius);
  background: var(--surface);
}

.panel label {
  display: flex;
  gap: 8px;
  align-items: center;
  color: var(--muted);
}

.panel input[type="number"],
.panel select {
  border: 1px solid #7bcff466;
  border-radius: var(--radius);
  background: #07101c;
  color: var(--text);
  padding: 7px 8px;
}

.panel input[type="number"] {
  width: 92px;
}

.panel select {
  min-width: 220px;
}

.inline {
  padding: 0 8px;
}

.run-control {
  align-self: center;
}

.panel .hint-label {
  cursor: help;
  text-decoration: underline dotted #7bcff499;
  text-underline-offset: 3px;
}

.status {
  margin-top: 12px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 18px;
  align-items: center;
}

.badge {
  border-radius: 100px;
  padding: 6px 12px;
  font-weight: 700;
  border: 1px solid transparent;
}

.badge-off {
  background: #4b1f2c;
  border-color: #c06f86;
}

.badge-on {
  background: #164731;
  border-color: #66d2a3;
}

.badge-info {
  background: #12304a;
  border-color: #7bcff4;
  color: #d5edf2;
}

.muted {
  color: var(--muted);
}

.live-tools-grid {
  margin-top: 16px;
  display: grid;
  grid-template-columns: minmax(280px, 0.9fr) minmax(340px, 1.1fr);
  gap: 14px;
}

.tool-panel {
  border: 1px solid #d8f6f833;
  border-radius: var(--radius);
  background: var(--surface);
  padding: 14px;
}

.tool-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.tool-head h2 {
  margin: 0;
  font-size: 1.15rem;
}

.tool-form {
  margin-top: 12px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.tool-form label {
  display: grid;
  gap: 5px;
  color: var(--muted);
  font-size: 0.86rem;
}

.tool-form input[type="text"],
.tool-form input[type="number"],
.tool-form select {
  width: 100%;
  min-width: 0;
  border: 1px solid #7bcff466;
  border-radius: var(--radius);
  background: #07101c;
  color: var(--text);
  padding: 7px 8px;
}

.tool-form .btn,
.alert-form .btn {
  align-self: end;
}

.alert-form {
  grid-template-columns: 1.1fr 1.1fr 0.65fr 0.65fr 0.8fr auto;
}

.rule-list,
.alert-list {
  margin-top: 12px;
  display: grid;
  gap: 8px;
}

.rule-row,
.alert-item,
.rule-empty,
.alert-empty {
  border: 1px solid #86dcff33;
  border-radius: var(--radius);
  background: #07142599;
  padding: 8px 10px;
}

.rule-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.rule-row span {
  color: var(--muted);
  overflow-wrap: anywhere;
}

.btn-small {
  padding: 5px 8px;
  font-size: 0.78rem;
}

.alert-item {
  display: grid;
  gap: 3px;
}

.alert-item strong {
  color: #ffd2d2;
}

.alert-item span {
  color: var(--muted);
}

.active-alert {
  border-color: #ff7a8aaa;
  background: #35101bcc;
}

.rule-empty,
.alert-empty {
  color: var(--muted);
}

.cards {
  margin-top: 18px;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 14px;
}

.card {
  border-radius: var(--radius);
  border: 1px solid var(--card-border);
  background: linear-gradient(155deg, #11253dd9, var(--card));
  backdrop-filter: blur(4px);
  padding: 12px;
  animation: reveal 240ms ease-out;
}

@keyframes reveal {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

.card-head {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 8px;
  align-items: start;
}

.dev-title {
  margin: 0;
  font-size: 0.95rem;
  letter-spacing: 0;
  color: #d5f1ff;
  overflow-wrap: anywhere;
}

.head-chips {
  display: flex;
  flex-wrap: wrap;
  justify-content: end;
  gap: 6px;
}

.chip {
  padding: 4px 8px;
  border-radius: 8px;
  font-size: 0.78rem;
  border: 1px solid #95cde844;
  background: #081d2ecc;
}

.chip.rssi-good {
  color: var(--ok);
}

.chip.rssi-mid {
  color: var(--warn);
}

.chip.rssi-low {
  color: var(--bad);
}

.chip.batt-good {
  color: var(--ok);
}

.chip.batt-mid {
  color: var(--warn);
}

.chip.batt-low {
  color: var(--bad);
}

.chip.signal-chip {
  color: #ffd2d2;
  border-color: #ff7a8a88;
  background: #3b111dcc;
}

.chip.alert-chip {
  color: #ffd2d2;
  border-color: #ff7a8aaa;
  background: #3b111dcc;
  box-shadow: 0 0 0 1px #ff7a8a33 inset;
}

.measure-grid,
.energy-grid {
  margin-top: 10px;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(85px, 1fr));
  gap: 8px;
}

.energy-grid {
  grid-template-columns: 1fr;
}

.energy-counter {
  border: 1px solid #f2b84b66;
  border-radius: var(--radius);
  background: #201b1099;
  padding: 8px;
}

.energy-counter > strong {
  display: block;
  margin-bottom: 8px;
  color: #ffe09a;
  font-size: 0.82rem;
}

.energy-counter-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
}

.energy-counter .tile {
  border-color: #f2b84b55;
  background: #14110acc;
}

.energy-counter .tile:last-child {
  border-color: #7bcff488;
  background: #092237cc;
}

.tile {
  border: 1px solid #86dcff44;
  border-radius: var(--radius);
  padding: 6px;
  background: #07142599;
}

.tile.signal-tile {
  border-color: #ff7a8aaa;
  background: #35101bcc;
  box-shadow: inset 0 0 0 1px #ff7a8a33;
}

.tile.threshold-tile {
  border-color: #ff7a8aaa;
  background: #35101bcc;
  box-shadow: inset 0 0 0 1px #ff7a8a44;
}

.tile.signal-tile .k,
.tile.signal-tile .v,
.tile.threshold-tile .k,
.tile.threshold-tile .v {
  color: #ffd2d2;
}

.tile .k {
  display: block;
  font-size: 0.72rem;
  color: var(--muted);
}

.tile .v {
  display: block;
  margin-top: 2px;
  font-size: 0.95rem;
  font-weight: 700;
}

.empty {
  margin-top: 16px;
  color: var(--muted);
  opacity: 0.9;
}

.trend-panel {
  margin-top: 20px;
  border: 1px solid #d8f6f833;
  border-radius: var(--radius);
  background: var(--surface);
  padding: 16px;
}

.trend-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.trend-head h2 {
  margin: 0;
  font-size: 1.35rem;
}

.trend-head-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.trend-controls {
  margin-top: 14px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
}

.trend-controls label {
  display: flex;
  gap: 8px;
  align-items: center;
  color: var(--muted);
}

.trend-param-menu {
  position: relative;
  display: flex;
  gap: 8px;
  align-items: center;
  color: var(--muted);
}

.trend-controls select {
  min-width: 180px;
  border: 1px solid #7bcff466;
  border-radius: var(--radius);
  background: #07101c;
  color: var(--text);
  padding: 7px 8px;
}

.trend-param-list {
  position: absolute;
  z-index: 5;
  top: calc(100% + 8px);
  left: 0;
  min-width: 220px;
  max-height: 260px;
  overflow: auto;
  border: 1px solid #7bcff466;
  border-radius: var(--radius);
  background: #07101c;
  box-shadow: var(--shadow);
  padding: 6px;
}

.trend-param-list label {
  width: 100%;
  display: flex;
  justify-content: flex-start;
  gap: 8px;
  padding: 7px 8px;
  border-radius: 6px;
  color: var(--text);
  cursor: pointer;
}

.trend-param-list label:hover {
  background: #ffffff12;
}

.trend-param-empty {
  padding: 8px;
  color: var(--muted);
}

.trend-chart {
  margin-top: 14px;
  min-height: 280px;
  border: 1px solid #86dcff33;
  border-radius: var(--radius);
  background: #07142599;
  overflow: hidden;
}

.trend-chart svg {
  display: block;
  width: 100%;
  height: auto;
}

.trend-axis,
.trend-grid-line {
  stroke: #d8f6f844;
  stroke-width: 1;
}

.trend-grid-line {
  stroke-dasharray: 5 7;
}

.trend-line {
  fill: none;
  stroke: #f2b84b;
  stroke-width: 2.5;
}

.trend-point {
  cursor: crosshair;
}

.trend-dot {
  fill: #55c7d8;
  stroke: #07101c;
  stroke-width: 1;
}

.trend-hit {
  fill: transparent;
  stroke: none;
  pointer-events: all;
}

.trend-point:hover .trend-dot {
  stroke: #f8fdff;
  stroke-width: 1.6;
}

.trend-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 14px;
  padding: 10px 12px 12px;
  color: var(--muted);
  font-size: 0.86rem;
}

.trend-legend span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.trend-legend i {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.trend-label {
  fill: var(--muted);
  font-size: 12px;
}

.trend-label-end {
  text-anchor: end;
}

@media (max-width: 920px) {
  .hero-section,
  .split-section,
  .connection-layout {
    grid-template-columns: 1fr;
  }

  .tplung-console {
    max-width: 760px;
  }

  .overview-grid,
  .feature-grid,
  .interface-grid,
  .mail-control-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .use-case-grid {
    grid-template-columns: 1fr;
  }

  .live-tools-grid,
  .alert-form {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 680px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
  }

  .site-nav {
    justify-content: flex-start;
  }

  .site-shell,
  .site-header,
  .site-footer {
    width: min(100% - 24px, 1180px);
  }

  .hero-copy h1 {
    font-size: 2.35rem;
  }

  .hero-lead {
    font-size: 1rem;
    line-height: 1.55;
  }

  .hero-actions .btn,
  .controls .btn,
  .run-control {
    width: 100%;
  }

  .console-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .tile-wide {
    grid-column: 1 / -1;
    min-height: 86px;
  }

  .overview-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .feature-grid,
  .interface-grid,
  .use-case-card,
  .use-case-card-wide,
  .connection-panels,
  .firmware-grid,
  .settings-form,
  .mail-control-grid {
    grid-template-columns: 1fr;
  }

  .firmware-panel-wide {
    grid-column: auto;
  }

  .command-row {
    grid-template-columns: 1fr;
  }

  .setting-row {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .setting-row input[type="checkbox"] {
    justify-self: start;
  }

  .overview-tile,
  .feature-card,
  .use-case-visual,
  .use-case-visual img {
    min-height: auto;
  }

  .use-case-copy {
    padding: 0;
  }

  .use-case-metrics {
    grid-template-columns: 1fr;
  }

  .console-tile {
    min-height: 82px;
    padding: 12px;
  }

  .console-head {
    margin-bottom: 10px;
    padding-bottom: 10px;
  }

  .app {
    padding: 12px;
  }

  .panel {
    gap: 10px;
  }

  .panel label {
    width: 100%;
    justify-content: space-between;
  }

  .panel input[type="number"] {
    width: 120px;
  }

  .panel select {
    min-width: 0;
    width: min(100%, 260px);
  }

  .trend-controls label {
    width: 100%;
    justify-content: space-between;
  }

  .trend-param-menu {
    width: 100%;
    justify-content: space-between;
  }

  .trend-controls select {
    min-width: 0;
    width: min(100%, 260px);
  }

  .trend-param-list {
    right: 0;
    left: auto;
    width: min(100%, 260px);
  }

  .tool-head,
  .rule-row {
    align-items: flex-start;
    flex-direction: column;
  }

  .tool-form {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 430px) {
  .console-grid,
  .overview-grid {
    grid-template-columns: 1fr;
  }
}