:root {
  color-scheme: dark;
  --bg: #05080f;
  --bg-elev: #0a0f19;
  --panel: rgba(10, 14, 22, 0.92);
  --panel-soft: rgba(14, 19, 28, 0.82);
  --line: rgba(137, 160, 201, 0.15);
  --line-strong: rgba(102, 221, 255, 0.34);
  --text: #f5f8fd;
  --muted: #8c9db4;
  --accent: #59deff;
  --accent-soft: rgba(89, 222, 255, 0.12);
  --good: #74efaa;
  --warn: #ffd172;
  --radius-xl: 28px;
  --radius-lg: 22px;
  --radius-md: 18px;
  --radius-sm: 14px;
  --shadow: 0 28px 64px rgba(0, 0, 0, 0.38);
}

* {
  box-sizing: border-box;
}

html,
body {
  min-height: 100%;
  margin: 0;
  background:
    radial-gradient(circle at top center, rgba(89, 222, 255, 0.14), transparent 30rem),
    linear-gradient(180deg, #03060c 0%, #071019 46%, #03060c 100%);
  color: var(--text);
  font-family: "Inter", "Segoe UI", Arial, sans-serif;
}

body {
  padding: 0;
}

button,
input,
textarea {
  font: inherit;
}

button {
  cursor: pointer;
}

.portal-app {
  width: min(100%, 760px);
  margin: 0 auto;
  padding:
    max(16px, env(safe-area-inset-top))
    14px
    max(18px, env(safe-area-inset-bottom))
    14px;
}

.login-shell,
.remote-shell {
  display: grid;
  gap: 14px;
}

.login-hero,
.info-card,
.login-card,
.remote-header,
.conversation-shell,
.sheet-shell,
.chat-composer {
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(13, 18, 28, 0.96), rgba(6, 10, 18, 0.98));
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.login-hero,
.info-card,
.login-card,
.remote-header,
.conversation-shell,
.sheet-shell {
  border-radius: var(--radius-xl);
}

.login-hero,
.info-card,
.login-card,
.remote-header,
.sheet-shell {
  padding: 18px;
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--muted);
  font-size: 0.74rem;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.login-hero h1,
.remote-header h1 {
  margin: 0;
  font-size: clamp(2rem, 8vw, 3rem);
  line-height: 0.98;
  font-weight: 640;
}

.hero-copy,
.section-heading p,
.notice,
.mini-card p,
.node-card p,
.static-card span,
.quick-card span,
.signal-card small,
.message-meta,
.header-presence,
.session-head + .notice {
  color: var(--muted);
}

.hero-copy {
  margin: 12px 0 0;
  line-height: 1.55;
  max-width: 40rem;
}

.install-strip {
  display: grid;
  gap: 14px;
  border-radius: var(--radius-xl);
  border: 1px solid rgba(89, 222, 255, 0.18);
  background: linear-gradient(180deg, rgba(14, 23, 37, 0.98), rgba(7, 11, 18, 0.98));
  box-shadow: var(--shadow);
  padding: 18px;
}

.install-copy span,
.header-subline {
  color: var(--muted);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.install-copy strong {
  display: block;
  margin-top: 8px;
  font-size: 1.15rem;
}

.install-copy p,
.header-subline {
  margin: 10px 0 0;
  line-height: 1.5;
}

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

.hero-pill,
.micro-pill {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  border-radius: 999px;
  border: 1px solid var(--line-strong);
  background: var(--accent-soft);
  color: var(--accent);
  padding: 8px 12px;
  font-size: 0.82rem;
}

.login-grid,
.info-stack,
.node-strip,
.artifact-grid,
.quick-grid,
.signal-grid,
.health-list,
.readout-grid,
.utility-actions {
  display: grid;
  gap: 12px;
}

.mini-card,
.node-card,
.static-card,
.quick-card,
.signal-card,
.readout-block,
.message-bubble,
.utility-card,
.route-button,
.health-list div {
  border: 1px solid rgba(137, 160, 201, 0.13);
  background: var(--panel-soft);
  border-radius: var(--radius-lg);
}

.mini-card,
.node-card,
.static-card,
.signal-card,
.readout-block,
.utility-card,
.health-list div {
  padding: 16px;
}

.session-head {
  margin-bottom: 8px;
}

.mini-card span,
.node-card span,
.static-card strong,
.quick-card strong,
.signal-card span,
.readout-block span,
.utility-head span,
.health-list dt,
.route-button span {
  display: block;
  font-size: 0.74rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.mini-card strong,
.node-card strong,
.signal-card strong,
.readout-block strong,
.utility-head strong,
.route-button strong {
  display: block;
  margin-top: 8px;
}

.section-heading h2 {
  margin: 0;
  font-size: 1.55rem;
  line-height: 1.1;
}

.section-heading p {
  margin: 10px 0 0;
  line-height: 1.5;
}

.stack-form {
  display: grid;
  gap: 10px;
  margin-top: 14px;
}

.stack-form label {
  color: var(--muted);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

input,
textarea {
  width: 100%;
  border: 1px solid rgba(137, 160, 201, 0.18);
  border-radius: 18px;
  background: rgba(4, 8, 14, 0.94);
  color: var(--text);
  padding: 14px 15px;
  outline: none;
}

input:focus,
textarea:focus {
  border-color: var(--line-strong);
  box-shadow: 0 0 0 3px rgba(89, 222, 255, 0.08);
}

.primary-action,
.send-button,
.header-button,
.composer-tool,
.composer-chip,
.utility-button,
.mode-chip,
.sheet-tab,
.quick-card,
.route-button {
  border: 1px solid rgba(137, 160, 201, 0.15);
  background: rgba(7, 12, 20, 0.96);
  color: var(--text);
}

.primary-action {
  border-color: rgba(89, 222, 255, 0.36);
  background: linear-gradient(180deg, rgba(94, 224, 255, 0.98), rgba(41, 186, 229, 0.92));
  color: #041119;
  font-weight: 700;
  padding: 14px 16px;
  border-radius: 18px;
}

.remote-header {
  gap: 16px;
}

.header-main {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  align-items: flex-start;
}

.title-block {
  min-width: 0;
}

.header-presence {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 10px 0 0;
}

.presence-dot {
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: var(--good);
  box-shadow: 0 0 18px rgba(116, 239, 170, 0.75);
}

.header-actions {
  display: flex;
  gap: 10px;
  flex-shrink: 0;
  flex-wrap: wrap;
}

.header-button,
.composer-tool,
.composer-chip,
.utility-button,
.mode-chip,
.sheet-tab {
  border-radius: 16px;
  padding: 12px 14px;
}

.header-button.subtle {
  color: var(--muted);
}

.route-button {
  padding: 16px;
  text-align: left;
}

.route-button strong {
  font-size: 1rem;
}

.route-button small {
  display: block;
  margin-top: 8px;
  color: var(--muted);
  line-height: 1.45;
}

.mode-strip {
  display: flex;
  gap: 10px;
  overflow-x: auto;
  padding: 2px 2px 0;
  scrollbar-width: none;
}

.mode-strip::-webkit-scrollbar {
  display: none;
}

.mode-chip {
  border-radius: 999px;
  padding: 10px 14px;
  white-space: nowrap;
  color: var(--muted);
}

.mode-chip.is-active {
  border-color: var(--line-strong);
  color: var(--accent);
  background: var(--accent-soft);
}

.conversation-shell {
  padding: 0;
  overflow: hidden;
}

.thread-scroll {
  display: grid;
  gap: 14px;
  padding: 18px;
}

.message-row {
  display: flex;
  gap: 12px;
}

.assistant-row {
  justify-content: flex-start;
}

.user-row {
  justify-content: flex-end;
}

.message-avatar {
  width: 34px;
  height: 34px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  flex-shrink: 0;
  background: var(--accent-soft);
  border: 1px solid rgba(89, 222, 255, 0.18);
  color: var(--accent);
  font-weight: 700;
}

.message-bubble {
  max-width: min(100%, 38rem);
  padding: 14px 16px;
  line-height: 1.5;
}

.message-bubble strong {
  display: block;
}

.message-bubble p {
  margin: 8px 0 0;
}

.message-bubble.user {
  background: rgba(89, 222, 255, 0.12);
  border-color: rgba(89, 222, 255, 0.24);
}

.message-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 12px;
  font-size: 0.82rem;
}

.utility-card {
  display: grid;
  gap: 14px;
}

.utility-head {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  align-items: start;
}

.utility-actions {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.utility-button {
  min-height: 44px;
}

.camera-frame {
  position: relative;
  min-height: 220px;
  overflow: hidden;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(89, 222, 255, 0.16);
  background: rgba(3, 6, 11, 0.96);
}

.camera-frame video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: none;
}

.camera-frame video.is-live {
  display: block;
}

.camera-placeholder {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  text-align: center;
  padding: 18px;
  color: var(--muted);
}

.sheet-shell {
  display: grid;
  gap: 14px;
}

.sheet-tabs {
  display: flex;
  gap: 10px;
  overflow-x: auto;
  scrollbar-width: none;
}

.sheet-tabs::-webkit-scrollbar {
  display: none;
}

.sheet-tab {
  border-radius: 999px;
  white-space: nowrap;
  color: var(--muted);
}

.sheet-tab.is-active {
  border-color: var(--line-strong);
  color: var(--accent);
  background: var(--accent-soft);
}

.sheet-panel {
  display: none;
}

.sheet-panel.is-active {
  display: grid;
  gap: 12px;
}

.artifact-grid,
.quick-grid,
.signal-grid {
  grid-template-columns: 1fr;
}

.static-card,
.quick-card {
  padding: 16px;
}

.quick-card {
  text-align: left;
  border-radius: var(--radius-lg);
}

.output-list {
  display: grid;
  gap: 10px;
}

.output-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(137, 160, 201, 0.13);
  background: var(--panel-soft);
  padding: 14px;
}

.output-item span,
.output-item small {
  color: var(--muted);
}

.output-item span {
  display: block;
  font-size: 0.74rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.output-item strong {
  display: block;
  margin-top: 8px;
  line-height: 1.45;
}

.output-item[data-kind="Status"] {
  border-color: rgba(89, 222, 255, 0.22);
}

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

.health-list div {
  padding: 14px;
}

.health-list dd {
  margin: 8px 0 0;
  color: var(--accent);
  font-weight: 600;
}

.chat-composer {
  position: sticky;
  bottom: max(10px, env(safe-area-inset-bottom));
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 10px;
  align-items: end;
  padding: 12px;
  border-radius: 24px;
}

.composer-tool {
  width: 48px;
  height: 48px;
  border-radius: 16px;
  font-size: 1.25rem;
}

.composer-shell {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px;
  align-items: end;
  min-width: 0;
  padding: 10px 12px;
  border-radius: 22px;
  border: 1px solid rgba(137, 160, 201, 0.15);
  background: rgba(4, 8, 14, 0.94);
}

.composer-shell textarea {
  min-height: 24px;
  max-height: 132px;
  padding: 0;
  border: 0;
  background: transparent;
  border-radius: 0;
  resize: none;
  box-shadow: none;
}

.composer-side {
  display: flex;
  gap: 8px;
  flex-shrink: 0;
}

.composer-chip {
  min-width: 52px;
  border-radius: 14px;
  padding: 10px 12px;
  color: var(--muted);
}

.send-button {
  min-width: 72px;
  min-height: 48px;
  border-radius: 16px;
  padding: 12px 16px;
  border-color: rgba(89, 222, 255, 0.34);
  background: linear-gradient(180deg, rgba(94, 224, 255, 0.24), rgba(22, 34, 49, 0.96));
  color: var(--accent);
  font-weight: 650;
}

.is-locked {
  display: none;
}

@media (min-width: 760px) {
  .portal-app {
    width: min(100%, 940px);
  }

  .install-strip {
    grid-template-columns: 1fr auto;
    align-items: center;
  }

  .login-grid {
    grid-template-columns: 1.1fr 0.9fr;
    align-items: start;
  }

  .node-strip {
    grid-template-columns: 1.2fr 1fr 1fr;
  }

  .artifact-grid,
  .quick-grid,
  .signal-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .portal-app {
    padding-left: 12px;
    padding-right: 12px;
  }

  .login-hero,
  .remote-header,
  .sheet-shell,
  .login-card,
  .info-card {
    padding: 16px;
  }

  .header-main {
    flex-direction: column;
    align-items: stretch;
  }

  .header-actions {
    width: 100%;
  }

  .header-button {
    flex: 1 1 0;
  }

  .install-actions .header-button {
    flex: 1 1 0;
  }

  .utility-actions,
  .health-list {
    grid-template-columns: 1fr;
  }

  .chat-composer {
    grid-template-columns: auto 1fr;
  }

  .send-button {
    grid-column: 1 / -1;
  }

  .composer-shell {
    grid-template-columns: 1fr;
  }

  .composer-side {
    justify-content: flex-end;
  }
}