*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #0F172A;
  --surface: #1E293B;
  --surface2: #111827;
  --accent: #10B981;
  --accent-dim: rgba(16,185,129,0.12);
  --blue: #2E75B6;
  --text: #e8ecf4;
  --text2: #8892a8;
  --red: #ff4757;
  --yellow: #ffa502;
  --green: #00e5a0;
  --radius: 10px;
  --font: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

body { background: var(--bg); color: var(--text); font-family: var(--font); line-height: 1.6; min-height: 100vh; }

/* ── HEADER ── */
.header { padding: 16px 32px; border-bottom: 1px solid rgba(255,255,255,0.06); position: sticky; top: 0; background: rgba(15,23,42,0.95); backdrop-filter: blur(8px); z-index: 100; }
.header-inner { display: flex; align-items: center; justify-content: space-between; max-width: 1200px; margin: 0 auto; }
.logo-link { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.logo-mark {
  display: block;
  width: 38px;
  height: 38px;
  overflow: hidden;
  flex: 0 0 auto;
}
.logo-image {
  display: block;
  width: 130px;
  height: auto;
  max-width: none;
  transform: translate(-48px, -10px);
  transform-origin: top left;
}
.logo-wordmark { font-size: 26px; font-weight: 800; letter-spacing: 3px; color: var(--accent); }
.logo-sub { font-size: 12px; color: var(--text2); letter-spacing: 1px; }
.logo-area { display: flex; align-items: center; gap: 12px; }
.nav { display: flex; gap: 20px; align-items: center; }
.nav a { color: var(--text2); text-decoration: none; font-size: 14px; transition: color 0.2s; }
.nav a:hover { color: var(--accent); }
.nav .nav-cta { padding: 8px 18px; background: var(--accent); color: #0a0e1a !important; border-radius: 6px; font-weight: 700 !important; font-size: 13px !important; }
.nav .nav-cta:hover { opacity: 0.9; }
.nav-menu { position: relative; }
.nav-menu summary { display: inline-flex; align-items: center; gap: 7px; color: var(--text2); font-size: 14px; cursor: pointer; list-style: none; transition: color 0.2s; }
.nav-menu summary::-webkit-details-marker { display: none; }
.nav-menu summary::after { content: ""; width: 6px; height: 6px; border-right: 1px solid currentColor; border-bottom: 1px solid currentColor; transform: rotate(45deg); margin-top: -4px; }
.nav-menu[open] summary, .nav-menu summary:hover { color: var(--accent); }
.nav-menu-panel { position: absolute; top: calc(100% + 12px); left: 0; min-width: 168px; display: grid; gap: 2px; padding: 8px; background: rgba(10,14,23,0.98); border: 1px solid rgba(255,255,255,0.08); border-radius: 8px; box-shadow: 0 18px 40px rgba(0,0,0,0.28); z-index: 200; }
.nav-menu-panel a { display: block; padding: 8px 10px; border-radius: 6px; white-space: nowrap; }
.nav-menu-panel a:hover { background: rgba(0,229,160,0.08); }
.hamburger { display: none; background: none; border: none; cursor: pointer; padding: 4px; }
.hamburger span { display: block; width: 22px; height: 2px; background: var(--text); margin: 5px 0; transition: all 0.3s; }
.hamburger.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }
.header-tagline { font-size: 13px; color: var(--text2); margin-top: 4px; }

.demo-guide {
  padding: 22px 24px 6px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  background: linear-gradient(180deg, rgba(0,229,160,0.045), rgba(0,0,0,0));
}
.guide-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  max-width: 1180px;
  margin: 0 auto 16px;
}
.guide-copy {
  max-width: 720px;
}
.guide-kicker {
  color: var(--accent);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  margin-bottom: 4px;
}
.guide-copy > p:not(.guide-kicker) {
  max-width: 620px;
  color: var(--text2);
  font-size: 14px;
  line-height: 1.55;
  margin-top: 8px;
}
.guide-head h1 {
  font-size: 24px;
  line-height: 1.25;
  letter-spacing: 0;
}
.guide-action-box {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 10px;
  max-width: 360px;
}
.guide-status {
  color: var(--text2);
  font-size: 13px;
  line-height: 1.55;
  text-align: right;
}
.guide-action {
  min-width: 160px;
  padding: 11px 18px;
  border: none;
  border-radius: 8px;
  background: var(--accent);
  color: #0a0e17;
  font-size: 14px;
  font-weight: 800;
  cursor: pointer;
}
.guide-action:hover {
  opacity: 0.9;
}
.scenario-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  max-width: 1180px;
  margin: 0 auto 12px;
}
.scenario-card {
  min-height: 86px;
  padding: 14px;
  border: 1px solid rgba(0,229,160,0.18);
  border-radius: 8px;
  background: rgba(0,229,160,0.035);
  color: var(--text);
  text-align: left;
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s;
}
.scenario-card:hover {
  border-color: rgba(0,229,160,0.48);
  background: rgba(0,229,160,0.075);
}
.scenario-card strong {
  display: block;
  font-size: 14px;
  margin-bottom: 4px;
}
.scenario-card span {
  display: block;
  color: var(--text2);
  font-size: 12px;
  line-height: 1.4;
}
.guide-steps {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  max-width: 1180px;
  margin: 0 auto;
}
.guide-step {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  min-height: 74px;
  padding: 12px;
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 8px;
  background: rgba(255,255,255,0.025);
  color: var(--text);
  text-align: left;
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s, transform 0.2s;
}
.guide-step:hover,
.guide-step.active {
  border-color: rgba(0,229,160,0.42);
  background: rgba(0,229,160,0.07);
}
.guide-step.complete {
  border-color: rgba(0,229,160,0.22);
}
.guide-step.complete .guide-num {
  color: #0a0e17;
  background: var(--accent);
}
.guide-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  border: 1px solid rgba(0,229,160,0.42);
  border-radius: 50%;
  color: var(--accent);
  font-size: 12px;
  font-weight: 800;
  flex: 0 0 auto;
}
.guide-step strong {
  display: block;
  font-size: 14px;
  line-height: 1.2;
  margin-bottom: 4px;
}
.guide-step small {
  display: block;
  color: var(--text2);
  font-size: 12px;
  line-height: 1.35;
}
.setup-card.guide-focus {
  border-color: rgba(0,229,160,0.48);
  box-shadow: 0 0 0 2px rgba(0,229,160,0.08);
}

.demo-static-snapshot {
  display: grid;
  grid-template-columns: minmax(260px, 0.9fr) minmax(0, 1.4fr);
  gap: 18px;
  max-width: 1180px;
  margin: 18px auto 10px;
  padding: 18px;
  border: 1px solid rgba(0,229,160,0.18);
  border-radius: 10px;
  background: rgba(17,24,39,0.62);
}
.snapshot-kicker {
  color: var(--accent);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 1.1px;
  text-transform: uppercase;
  margin-bottom: 6px;
}
.snapshot-copy h2 {
  font-size: 20px;
  line-height: 1.25;
  margin-bottom: 8px;
}
.snapshot-copy p:not(.snapshot-kicker) {
  color: var(--text2);
  font-size: 13px;
  line-height: 1.6;
}
.snapshot-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}
.snapshot-card {
  padding: 12px;
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 8px;
  background: rgba(15,23,42,0.68);
}
.snapshot-card strong,
.snapshot-card span,
.snapshot-card small {
  display: block;
}
.snapshot-card strong {
  color: var(--accent);
  font-size: 12px;
  margin-bottom: 4px;
}
.snapshot-card span {
  color: var(--text);
  font-size: 13px;
  line-height: 1.45;
}
.snapshot-card small {
  color: var(--text2);
  font-size: 11px;
  line-height: 1.45;
  margin-top: 4px;
}
.snapshot-code {
  grid-column: 1 / -1;
  padding: 14px;
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 8px;
  background: #0b1120;
  color: #c7f9e9;
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
  font-size: 12px;
  line-height: 1.65;
  white-space: pre-wrap;
}

/* ── SETUP PANEL ── */
.setup-panel { padding: 20px 24px; border-bottom: 1px solid rgba(255,255,255,0.06); }
.setup-panel.collapsed { display: none; }
.setup-grid { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 20px; }
.setup-card { background: var(--surface); padding: 16px; border-radius: var(--radius); border: 1px solid rgba(255,255,255,0.06); }
.setup-label { font-size: 11px; text-transform: uppercase; letter-spacing: 1px; color: var(--accent); margin-bottom: 10px; font-weight: 600; }

.setup-card select, .setup-card input[type="password"], .setup-card input[type="number"], .setup-card input[type="text"] {
  width: 100%; padding: 10px 12px; background: var(--surface2); border: 1px solid rgba(255,255,255,0.1);
  border-radius: 6px; color: var(--text); font-size: 14px; outline: none; margin-bottom: 8px;
}
.setup-card select:focus, .setup-card input:focus { border-color: var(--accent); }
.setup-card small { display: block; font-size: 11px; color: var(--text2); margin-top: 4px; }

.btn-outline { width: 100%; padding: 10px; background: transparent; border: 1px solid rgba(255,255,255,0.15);
  border-radius: 6px; color: var(--text); font-size: 14px; cursor: pointer; margin-bottom: 8px; transition: all 0.2s; }
.btn-outline:hover { border-color: var(--accent); color: var(--accent); }

.btn-sm { padding: 8px 14px; background: var(--surface2); border: 1px solid rgba(255,255,255,0.1);
  border-radius: 6px; color: var(--text); font-size: 13px; cursor: pointer; }

.city-search { display: flex; gap: 6px; margin-bottom: 8px; }
.city-search input { flex: 1; }

.manual-coords { display: flex; gap: 6px; }
.manual-coords input { flex: 1; }

.api-key-row { margin-top: 8px; }
.api-key-row.hidden { display: none; }
.remember-toggle { display: flex; align-items: center; gap: 8px; font-size: 12px; color: var(--text2); margin: 4px 0 6px; }
.remember-toggle input { width: auto !important; margin: 0 !important; accent-color: var(--accent); }

.preset-block { margin-bottom: 10px; padding: 10px; border: 1px solid rgba(0,229,160,0.14); border-radius: 8px; background: rgba(0,229,160,0.04); }
.preset-title { font-size: 12px; font-weight: 700; color: var(--text); margin-bottom: 8px; }
.preset-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-bottom: 6px; }
.preset-btn { padding: 10px 12px; background: linear-gradient(135deg, rgba(0,229,160,0.12), rgba(46,117,182,0.08)); border: 1px solid rgba(255,255,255,0.08);
  border-radius: 8px; color: var(--text); font-size: 13px; font-weight: 600; cursor: pointer; transition: all 0.2s; }
.preset-btn:hover { border-color: var(--accent); color: var(--accent); transform: translateY(-1px); }
.preset-more { margin: 6px 0 8px; border-top: 1px solid rgba(255,255,255,0.06); padding-top: 8px; }
.preset-more summary { cursor: pointer; list-style: none; color: var(--text2); font-size: 12px; font-weight: 600; display: inline-flex; align-items: center; gap: 8px; }
.preset-more summary::-webkit-details-marker { display: none; }
.preset-more summary::before { content: ''; display: none; }
.preset-more[open] summary::before { transform: rotate(90deg); }
.preset-grid-more { margin-top: 10px; }

.location-display { font-size: 13px; color: var(--accent); margin-top: 8px; }

/* Connection Status */
.conn-status { display: flex; align-items: center; gap: 8px; font-size: 14px; margin-bottom: 12px; }
.conn-dot { width: 10px; height: 10px; border-radius: 50%; display: inline-block; }
.conn-status.disconnected .conn-dot { background: #555; }
.conn-status.connecting .conn-dot { background: var(--yellow); animation: blink 0.6s infinite; }
.conn-status.connected .conn-dot { background: var(--green); box-shadow: 0 0 8px var(--green); }
.conn-dot.connected { background: var(--green); box-shadow: 0 0 8px var(--green); }

.btn-connect { width: 100%; padding: 12px; background: var(--accent); color: #0a0e17; border: none;
  border-radius: 6px; font-size: 15px; font-weight: 700; cursor: pointer; transition: opacity 0.2s; }
.btn-connect:hover { opacity: 0.9; }
.btn-connect:disabled { opacity: 0.4; cursor: not-allowed; }

.conn-details { font-size: 12px; color: var(--text2); margin-top: 8px; line-height: 1.8; }
.conn-details.hidden { display: none; }

@keyframes blink { 0%,100% { opacity: 1; } 50% { opacity: 0.3; } }

/* ── STATUS BAR ── */
.status-bar { display: flex; align-items: center; gap: 10px; padding: 10px 24px; background: var(--surface);
  border-bottom: 1px solid rgba(255,255,255,0.06); cursor: pointer; font-size: 13px; color: var(--text2); }
.status-bar.hidden { display: none; }
.status-expand { margin-left: auto; font-size: 12px; color: var(--text2); }

/* ── MAIN AREA ── */
.main-area { padding: 0 24px 24px; flex: 1; }
.main-area.hidden { display: none; }
.main-grid { display: grid; grid-template-columns: 65fr 35fr; gap: 20px; height: calc(100vh - 220px); min-height: 500px; }

/* ── CHAT PANEL ── */
.chat-panel { display: flex; flex-direction: column; background: var(--surface); border-radius: var(--radius);
  border: 1px solid rgba(255,255,255,0.06); overflow: hidden; }
.chat-header { padding: 12px 16px; font-size: 13px; font-weight: 600; color: var(--accent);
  border-bottom: 1px solid rgba(255,255,255,0.06); background: var(--accent-dim); }
.chat-messages { flex: 1; overflow-y: auto; padding: 16px; display: flex; flex-direction: column; gap: 12px; }
.chat-input-bar { display: flex; gap: 8px; padding: 12px 16px; border-top: 1px solid rgba(255,255,255,0.06); }
.chat-input-bar input { flex: 1; padding: 12px 16px; background: var(--surface2); border: 1px solid rgba(255,255,255,0.1);
  border-radius: 8px; color: var(--text); font-size: 15px; outline: none; }
.chat-input-bar input:focus { border-color: var(--accent); }
.chat-input-bar button { padding: 12px 24px; background: var(--accent); color: #0a0e17; border: none;
  border-radius: 8px; font-weight: 700; font-size: 15px; cursor: pointer; }
.chat-input-bar button:disabled { opacity: 0.4; cursor: not-allowed; }
.prompt-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 0 16px 14px;
  border-top: 1px solid rgba(255,255,255,0.03);
}
.prompt-chips button {
  padding: 8px 10px;
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 6px;
  background: transparent;
  color: var(--text2);
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
}
.prompt-chips button:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* Messages */
.msg { max-width: 85%; padding: 12px 16px; border-radius: 12px; font-size: 15px; line-height: 1.7; }
.msg.user { align-self: flex-end; background: #0a3d2a; border-bottom-right-radius: 4px; }
.msg.ai { align-self: flex-start; background: var(--surface2); border-bottom-left-radius: 4px; }
.msg.system { align-self: center; background: var(--accent-dim); color: var(--accent); font-size: 13px;
  text-align: center; border-radius: 8px; padding: 10px 20px; }

.msg.ai .msg-label { font-size: 11px; color: var(--accent); margin-bottom: 6px; font-weight: 600; }
.msg.ai h1, .msg.ai h2, .msg.ai h3 { color: var(--accent); margin: 10px 0 6px; font-size: 15px; }
.msg.ai strong { color: var(--accent); }
.msg.ai ul, .msg.ai ol { padding-left: 18px; margin: 6px 0; }
.msg.ai li { margin-bottom: 3px; }
.msg.ai p { margin-bottom: 8px; }
.msg.ai code { background: rgba(255,255,255,0.08); padding: 2px 6px; border-radius: 4px; font-size: 13px; }

/* Typing indicator */
.typing { display: flex; align-items: center; gap: 10px; padding: 12px 16px; align-self: flex-start; }
.typing-dots { display: flex; gap: 5px; }
.typing-dots span { width: 8px; height: 8px; background: var(--accent); border-radius: 50%; animation: typePulse 1.4s infinite; }
.typing-dots span:nth-child(2) { animation-delay: 0.2s; }
.typing-dots span:nth-child(3) { animation-delay: 0.4s; }
@keyframes typePulse { 0%,80%,100% { opacity: 0.3; transform: scale(0.8); } 40% { opacity: 1; transform: scale(1); } }
.typing-text { font-size: 13px; color: var(--text2); }

/* ── SENSOR PANEL ── */
.sensor-panel { display: flex; flex-direction: column; background: var(--surface); border-radius: var(--radius);
  border: 1px solid rgba(255,255,255,0.06); overflow: hidden; }
.sensor-header { display: flex; align-items: center; gap: 10px; padding: 12px 16px; font-size: 12px;
  font-weight: 700; letter-spacing: 1px; color: var(--accent); border-bottom: 1px solid rgba(255,255,255,0.06); }
.pulse-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--green);
  box-shadow: 0 0 6px var(--green); animation: blink 2s infinite; }
.sensor-feed { flex: 1; overflow-y: auto; padding: 16px; }
.sensor-placeholder { color: var(--text2); font-size: 14px; text-align: center; padding: 40px 0; }
.sensor-timestamp { font-size: 11px; color: var(--text2); padding: 8px 16px; border-top: 1px solid rgba(255,255,255,0.06); text-align: center; }

.sensor-section { margin-bottom: 16px; }
.sensor-section-title { font-size: 13px; font-weight: 700; margin-bottom: 8px; display: flex; align-items: center; gap: 8px; }
.sensor-row { font-size: 13px; color: var(--text2); padding: 3px 0; padding-left: 24px; }
.sensor-row .sense-verb { color: var(--accent); font-weight: 600; }
.sensor-row .sense-value { color: var(--text); }

.hw-border { border-left: 3px solid var(--green); }
.badge-hw { display: inline-block; padding: 1px 8px; border-radius: 8px; font-size: 10px; font-weight: 700;
  background: rgba(0,229,160,0.15); color: var(--green); letter-spacing: 0.5px; margin-left: 8px; vertical-align: middle; }
.badge-model { display: inline-block; padding: 1px 8px; border-radius: 8px; font-size: 10px; font-weight: 700;
  background: rgba(46,117,182,0.15); color: var(--blue); letter-spacing: 0.5px; margin-left: 8px; vertical-align: middle; }

/* ── TICKER ── */
.ticker { overflow: hidden; background: var(--surface); border-top: 1px solid rgba(255,255,255,0.06); padding: 10px 0; }
.ticker.hidden { display: none; }
.ticker-track { display: flex; gap: 40px; white-space: nowrap; animation: scroll 60s linear infinite; font-size: 13px; color: var(--text2); }
.ticker-track span { display: inline-flex; align-items: center; gap: 6px; }
.ticker-track .spot-name { color: var(--text); font-weight: 600; }
@keyframes scroll { 0% { transform: translateX(0); } 100% { transform: translateX(-50%); } }

/* ── FOOTER ── */
.footer { padding: 44px 24px 28px; border-top: 1px solid rgba(255,255,255,0.06); background: rgba(0,0,0,0.12); }
.footer-shell { max-width: 1120px; margin: 0 auto; }
.footer-main { display: grid; grid-template-columns: minmax(240px, 1fr) minmax(0, 1.55fr); gap: 40px; align-items: start; }
.footer-brand { font-size: 15px; font-weight: 800; letter-spacing: 2px; color: var(--text); }
.footer-sub { max-width: 360px; font-size: 14px; color: var(--text2); margin: 8px 0 16px; line-height: 1.65; }
.footer-copy, .footer-cta { font-size: 12px; color: var(--text2); }
.footer-nav-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }
.footer-col h4 { margin-bottom: 10px; color: var(--text); font-size: 12px; font-weight: 800; letter-spacing: 1px; text-transform: uppercase; }
.footer-col a { display: block; width: fit-content; color: var(--text2); text-decoration: none; font-size: 13px; line-height: 1.7; margin: 5px 0; }
.footer-col a:hover { color: var(--accent); }
.footer-networks { margin-top: 28px; padding-top: 22px; border-top: 1px solid rgba(255,255,255,0.06); }
.footer-network-note { margin: -2px 0 10px; color: var(--text2); font-size: 12px; line-height: 1.5; }
.footer-network-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(128px, 1fr)); gap: 4px 18px; }
.footer-network-grid a { margin: 0; font-size: 12px; line-height: 1.55; white-space: nowrap; }
.footer-bottom { display: flex; justify-content: space-between; gap: 18px; margin-top: 32px; padding-top: 18px; border-top: 1px solid rgba(255,255,255,0.06); color: var(--text2); font-size: 12px; }
.footer-bottom-links { display: flex; flex-wrap: wrap; gap: 14px; justify-content: flex-end; }
.footer-bottom a { color: var(--text2); text-decoration: none; }
.footer-bottom a:hover { color: var(--accent); }
.footer-attrib { font-size: 12px; color: var(--text2); margin-top: 12px; }
.footer-attrib a { color: var(--text2); text-decoration: underline; }
.footer-attrib a:hover { color: var(--accent); }

/* ── SHARED STYLES for register/dashboard/docs ── */
.page-container { max-width: 700px; margin: 0 auto; padding: 40px 24px; }
.page-title { font-size: 28px; font-weight: 800; letter-spacing: 2px; color: var(--accent); margin-bottom: 8px; }
.page-sub { color: var(--text2); font-size: 15px; margin-bottom: 32px; }
.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-size: 13px; color: var(--text2); margin-bottom: 6px; }
.form-group input { width: 100%; padding: 12px 14px; background: var(--surface2); border: 1px solid rgba(255,255,255,0.1);
  border-radius: 6px; color: var(--text); font-size: 15px; outline: none; }
.form-group input:focus { border-color: var(--accent); }
.btn-primary { width: 100%; padding: 14px; background: var(--accent); color: #0a0e17; border: none;
  border-radius: 8px; font-size: 16px; font-weight: 700; cursor: pointer; margin-top: 8px; }
.btn-primary:hover { opacity: 0.9; }
.form-card { background: var(--surface); padding: 24px; border-radius: var(--radius); border: 1px solid rgba(255,255,255,0.06); }
.alert { padding: 12px 16px; border-radius: 6px; font-size: 14px; margin-bottom: 16px; }
.alert.success { background: var(--accent-dim); color: var(--accent); }
.alert.error { background: rgba(255,71,87,0.15); color: var(--red); }
.key-display { background: var(--surface2); padding: 16px; border-radius: 6px; font-family: monospace; font-size: 15px;
  color: var(--accent); word-break: break-all; margin: 12px 0; display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.key-display .copy-btn { padding: 6px 14px; background: var(--accent); color: #0a0e17; border: none;
  border-radius: 4px; font-size: 12px; font-weight: 700; cursor: pointer; white-space: nowrap; }
.code-block { background: var(--surface2); padding: 16px; border-radius: 6px; font-family: monospace;
  font-size: 13px; color: var(--text2); overflow-x: auto; margin: 12px 0; line-height: 1.7; white-space: pre-wrap; }
.page-link { font-size: 14px; color: var(--text2); text-align: center; margin-top: 20px; }
.page-link a { color: var(--accent); text-decoration: none; }

/* Docs */
.docs-container { max-width: 800px; margin: 0 auto; padding: 40px 24px; }
.docs-container h2 { color: var(--accent); font-size: 20px; margin: 32px 0 12px; border-bottom: 1px solid rgba(255,255,255,0.06); padding-bottom: 8px; }
.docs-container h3 { color: var(--text); font-size: 16px; margin: 20px 0 8px; }
.docs-container p { color: var(--text2); margin-bottom: 12px; }
.docs-container ul { padding-left: 20px; margin-bottom: 12px; }
.docs-container li { color: var(--text2); margin-bottom: 6px; }
.docs-container code { background: rgba(255,255,255,0.08); padding: 2px 6px; border-radius: 3px; font-size: 13px; color: var(--accent); }

/* Tables */
.data-table { width: 100%; border-collapse: collapse; margin: 16px 0; }
.data-table th { text-align: left; font-size: 12px; color: var(--text2); padding: 8px 12px; border-bottom: 1px solid rgba(255,255,255,0.1); }
.data-table td { font-size: 14px; padding: 10px 12px; border-bottom: 1px solid rgba(255,255,255,0.04); }
.data-table td.mono { font-family: monospace; font-size: 13px; }

/* ── RESPONSIVE ── */
@media (max-width: 768px) {
  .hamburger { display: block; }
  .header-inner { position: relative; }
  .nav { display: none; flex-direction: column; position: absolute; top: calc(100% + 4px); left: -24px; right: -24px; background: rgba(10,14,26,0.98); backdrop-filter: blur(8px); border-bottom: 1px solid rgba(255,255,255,0.06); padding: 16px 24px; gap: 12px; z-index: 101; }
  .nav.open { display: flex; }
  .nav .nav-cta { text-align: center; display: block; }
  .nav-menu, .nav-menu summary { width: 100%; }
  .nav-menu-panel { position: static; width: 100%; margin-top: 8px; box-shadow: none; background: rgba(255,255,255,0.035); }
}
@media (max-width: 900px) {
  .guide-head { display: block; }
  .guide-action-box { align-items: flex-start; max-width: none; margin-top: 10px; }
  .guide-status { text-align: left; margin-top: 8px; }
  .scenario-strip { grid-template-columns: 1fr; }
  .guide-steps { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .demo-static-snapshot { grid-template-columns: 1fr; }
  .setup-grid { grid-template-columns: 1fr; }
  .main-grid { grid-template-columns: 1fr; height: auto; }
  .chat-panel { min-height: 400px; }
  .sensor-panel { max-height: 350px; }
  .footer-main, .footer-nav-grid { grid-template-columns: 1fr; gap: 24px; }
  .footer-bottom { flex-direction: column; }
  .footer-bottom-links { justify-content: flex-start; }
}
@media (max-width: 600px) {
  .header { padding: 12px 16px; }
  .header-tagline { font-size: 12px; }
  .demo-guide { padding: 18px 12px 6px; }
  .guide-head h1 { font-size: 20px; }
  .guide-action { width: 100%; }
  .guide-steps { grid-template-columns: 1fr; }
  .guide-step { min-height: 0; }
  .demo-static-snapshot { padding: 14px; }
  .snapshot-grid { grid-template-columns: 1fr; }
  .setup-panel { padding: 12px 12px; }
  .main-area { padding: 0 8px 16px; }
  .logo-mark { width: 32px; height: 32px; }
  .logo-image { width: 109px; transform: translate(-40px, -8px); }
  .logo-wordmark { font-size: 20px; letter-spacing: 2px; }
  .logo-sub { font-size: 10px; }
  .manual-coords { flex-wrap: wrap; }
  .setup-card { padding: 12px; }
  .setup-card select, .setup-card input[type="password"], .setup-card input[type="text"] { font-size: 16px; padding: 10px; }
  .preset-grid { grid-template-columns: 1fr; }
  .chat-input-bar { padding: 8px 10px; gap: 6px; }
  .chat-input-bar input { font-size: 16px; padding: 10px 12px; }
  .chat-input-bar button { padding: 10px 16px; font-size: 14px; }
  .msg { max-width: 92%; font-size: 14px; padding: 10px 12px; }
  .sensor-row { font-size: 12px; }
  .sensor-section-title { font-size: 12px; }
  .status-bar { padding: 8px 12px; font-size: 12px; }
  .chat-panel { min-height: 350px; }
  .btn-connect { font-size: 14px; padding: 10px; }
  .ticker-track { font-size: 12px; }
  .footer { padding: 24px 16px; }
}

/* Scrollbar */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.1); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: rgba(255,255,255,0.2); }

.hidden { display: none !important; }


/* public-rebuild light narrative override */
:root {
  --bg: #f7f4ee !important;
  --surface: #ffffff !important;
  --surface2: #fffaf1 !important;
  --border: #ded7c8 !important;
  --primary: #276ef1 !important;
  --primary-hover: #174ea6 !important;
  --accent: #276ef1 !important;
  --accent-dim: rgba(39,110,241,0.10) !important;
  --blue: #276ef1 !important;
  --text: #15161a !important;
  --text2: #60646f !important;
  --code: #174ea6 !important;
  --danger: #e85d3f !important;
  --red: #e85d3f !important;
  --yellow: #f3b544 !important;
  --green: #00a6b2 !important;
}
html, body {
  background: var(--bg) !important;
  color: var(--text) !important;
}
.header, .l-header {
  background: rgba(247,244,238,0.94) !important;
  border-bottom: 1px solid var(--border) !important;
  backdrop-filter: blur(16px) !important;
}
.logo-wordmark, .l-logo-wordmark,
.nav a:hover, .l-nav a:hover,
.nav-menu[open] summary, .nav-menu summary:hover,
.nav-menu[open] summary, .l-nav .nav-menu summary:hover {
  color: var(--primary) !important;
}
.nav a, .l-nav a, .nav-menu summary {
  color: var(--text2) !important;
}
.nav .nav-cta, .l-nav .nav-cta, .btn-primary, .button-primary, .guide-action {
  background: var(--primary) !important;
  color: #ffffff !important;
}
.nav-menu-panel {
  background: #ffffff !important;
  border: 1px solid var(--border) !important;
  box-shadow: 0 18px 45px rgba(40,32,18,0.10) !important;
}
.section-dark, .card, .clarity-card, .demo-card, .panel, .pricing-card,
.founder-card, .investor-card, .metric-card, .source-card, .feature-card,
.proof-card, .api-card, .live-card, .deck-card {
  background: #ffffff !important;
  border-color: var(--border) !important;
  color: var(--text) !important;
  box-shadow: 0 18px 46px rgba(40,32,18,0.06) !important;
}
.section-cta, .demo-guide {
  background: linear-gradient(120deg, rgba(39,110,241,0.08), rgba(232,93,63,0.06)) !important;
}
.hero, .l-hero, .investor-hero {
  background: linear-gradient(120deg, rgba(255,250,241,0.92), rgba(247,244,238,0.96)) !important;
}
.hero-badge, .badge, .eyebrow, .pill, .tag {
  color: var(--primary) !important;
  background: rgba(39,110,241,0.08) !important;
  border-color: rgba(39,110,241,0.18) !important;
}
p, li, .section-sub, .hero-sub, .l-hero-sub, .text-muted,
.guide-copy > p:not(.guide-kicker), .guide-status {
  color: var(--text2) !important;
}
pre, code, .code-block, .terminal, .api-preview {
  background: #15161a !important;
  color: #f7f4ee !important;
  border-color: #2f3138 !important;
}
table, th, td {
  border-color: var(--border) !important;
}
th {
  color: var(--text2) !important;
}
input, textarea, select {
  background: #fffaf1 !important;
  color: var(--text) !important;
  border-color: var(--border) !important;
}