:root {
  --bg-top: #07141f;
  --bg-bottom: #02060a;
  --panel: #121d29;
  --panel-alt: #182636;
  --panel-edge-light: #486177;
  --panel-edge-mid: #20303d;
  --panel-edge-dark: #04080d;
  --field: #0b131b;
  --field-edge: #324555;
  --field-bright: #5f8098;
  --text: #edf6ff;
  --muted: #97acbd;
  --blue: #8ec8ff;
  --green: #8ce4c7;
  --amber: #f0cd86;
  --red: #ff9caf;
  --glow: rgba(142, 200, 255, 0.18);
  --shadow: rgba(0, 0, 0, 0.48);
}

* {
  box-sizing: border-box;
}

html,
body {
  min-height: 100%;
}

body {
  margin: 0;
  color: var(--text);
  font-family: "MS Sans Serif", "Segoe UI", Tahoma, sans-serif;
  background:
    radial-gradient(circle at 82% 16%, rgba(142, 200, 255, 0.12), transparent 22%),
    radial-gradient(circle at 18% 2%, rgba(140, 228, 199, 0.1), transparent 26%),
    linear-gradient(180deg, #102234 0%, var(--bg-top) 46%, var(--bg-bottom) 100%);
}

button,
input,
textarea,
select {
  font: inherit;
}

button,
input,
textarea,
select,
.message,
.runtime-card,
.knowledge-item,
.attachment-chip {
  border: 1px solid var(--field-edge);
  background: linear-gradient(180deg, rgba(19, 30, 41, 0.98), rgba(10, 16, 22, 0.98));
  color: var(--text);
}

button {
  cursor: pointer;
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.6;
}

.shell {
  width: min(1440px, calc(100vw - 28px));
  margin: 0 auto;
  padding: 20px 0 28px;
}

.hero,
.panel {
  position: relative;
  border: 2px solid var(--panel-edge-light);
  border-right-color: var(--panel-edge-dark);
  border-bottom-color: var(--panel-edge-dark);
  box-shadow:
    inset 1px 1px 0 rgba(255, 255, 255, 0.04),
    inset -1px -1px 0 rgba(0, 0, 0, 0.55),
    0 26px 60px var(--shadow);
}

.hero::before,
.panel-head::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 26px;
  background: linear-gradient(90deg, #0d345c 0%, #2e83d4 48%, #152f47 100%);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 18px;
  padding: 40px 18px 18px;
  background: linear-gradient(180deg, rgba(24, 37, 50, 0.98), rgba(13, 20, 29, 0.98));
}

.eyebrow {
  margin: 0 0 6px;
  color: var(--green);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 700;
}

h1,
h2,
p,
pre {
  margin: 0;
}

h1 {
  color: var(--blue);
  font-size: 16px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

h2 {
  color: var(--blue);
  font-size: 13px;
}

.lede {
  margin-top: 8px;
  max-width: 62rem;
  color: var(--muted);
  line-height: 1.45;
}

.hero-meta,
.button-row,
.toolbar,
.status-strip,
.composer-row,
.camera-meta,
.utility-row,
.service-toolbar,
.runtime-card-grid,
.action-launchers {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  align-items: center;
}

.hero-meta {
  justify-content: flex-end;
  align-content: flex-start;
}

.pill,
.session-pill {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  padding: 3px 10px;
  border: 1px solid var(--field-bright);
  background: linear-gradient(180deg, rgba(26, 39, 54, 0.96), rgba(13, 20, 28, 0.96));
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.pill.subtle,
.session-pill {
  color: var(--muted);
  border-color: var(--field-edge);
}

.grid {
  margin-top: 14px;
  display: grid;
  grid-template-columns: minmax(0, 1.18fr) minmax(0, 0.82fr);
  gap: 14px;
}

.panel {
  min-width: 0;
  padding: 40px 12px 12px;
  background: linear-gradient(180deg, rgba(18, 29, 41, 0.98), rgba(9, 15, 21, 0.98));
}

.panel-head {
  position: relative;
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: flex-start;
  margin: -40px -12px 12px;
  padding: 32px 12px 10px;
}

.panel-head > * {
  position: relative;
  z-index: 1;
}

.chat-panel {
  display: grid;
  grid-template-rows: auto auto auto minmax(360px, 1fr) auto;
  gap: 10px;
  min-height: 760px;
}

.camera-panel,
.status-panel,
.query-panel,
.knowledge-panel {
  display: grid;
  gap: 12px;
}

.services-panel {
  grid-column: span 2;
  display: grid;
  gap: 12px;
}

.debug-panel {
  grid-column: span 2;
}

.ghost,
.attachment-chip button,
button[type="submit"] {
  min-height: 30px;
  padding: 6px 12px;
  border: 1px solid var(--field-bright);
  box-shadow: inset 1px 1px 0 rgba(255, 255, 255, 0.05), inset -1px -1px 0 rgba(0, 0, 0, 0.45);
}

.ghost {
  background: linear-gradient(180deg, #233548 0%, #111a24 100%);
}

.ghost.danger {
  color: var(--red);
}

button[type="submit"] {
  min-width: 110px;
  background: linear-gradient(180deg, #24517f 0%, #14304a 100%);
  color: #f3f8ff;
}

.toolbar,
.status-strip,
.service-toolbar,
.utility-row {
  justify-content: space-between;
}

.field,
.toggle {
  display: inline-flex;
  gap: 8px;
  align-items: center;
  min-height: 36px;
  padding: 6px 10px;
  border: 1px solid var(--field-edge);
  background: linear-gradient(180deg, rgba(10, 17, 24, 0.96), rgba(6, 10, 15, 0.96));
}

.field {
  flex-wrap: wrap;
}

.field span,
.toggle span {
  color: var(--muted);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.field.compact {
  padding-right: 6px;
}

.field.small {
  min-width: 120px;
}

.field select,
.utility-form input,
.composer textarea {
  width: 100%;
  padding: 9px 10px;
  border: 1px solid var(--field-bright);
  background: linear-gradient(180deg, rgba(9, 14, 20, 0.98), rgba(4, 7, 10, 0.98));
  color: var(--text);
}

.toggle input {
  accent-color: #79b8ff;
}

.messages,
.service-console,
.utility-output,
.debug-pre,
.status-summary,
.camera-caption {
  overflow: auto;
  border: 1px solid var(--field-edge);
  background:
    linear-gradient(180deg, rgba(6, 10, 14, 0.96), rgba(4, 7, 10, 0.98)),
    linear-gradient(90deg, rgba(142, 200, 255, 0.04), transparent 40%);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.03);
}

.messages {
  min-height: 0;
  padding: 12px;
  display: grid;
  gap: 10px;
  align-content: start;
}

.message {
  padding: 10px 12px;
  display: grid;
  gap: 6px;
}

.message.user {
  border-color: rgba(143, 229, 192, 0.42);
  box-shadow: inset 0 0 0 1px rgba(143, 229, 192, 0.08);
}

.message.assistant {
  border-color: rgba(140, 188, 255, 0.42);
  box-shadow: inset 0 0 0 1px rgba(140, 188, 255, 0.08);
}

.message.pending {
  opacity: 0.7;
}

.message-meta {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  color: var(--muted);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.message-delete {
  min-height: 22px;
  padding: 2px 8px;
  margin-left: auto;
  color: var(--red);
  font-size: 10px;
}

.message-body {
  white-space: pre-wrap;
  line-height: 1.45;
}

.composer {
  display: grid;
  gap: 10px;
}

.composer textarea {
  min-height: 112px;
  resize: vertical;
}

.attachment-tray {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.attachment-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 8px;
}

.attachment-chip button {
  min-width: 24px;
  min-height: 24px;
  padding: 0 6px;
}

.camera-frame {
  position: relative;
  overflow: hidden;
  aspect-ratio: 4 / 3;
  border: 1px solid var(--field-bright);
  background: radial-gradient(circle at center, rgba(142, 200, 255, 0.1), rgba(4, 7, 10, 0.98));
}

.camera-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.camera-overlay {
  position: absolute;
  inset: auto 10px 10px 10px;
  padding: 8px 10px;
  background: rgba(2, 5, 9, 0.84);
  border: 1px solid rgba(142, 200, 255, 0.22);
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.4);
}

.camera-overlay span {
  font-size: 11px;
  color: var(--muted);
}

.camera-caption,
.service-console,
.utility-output,
.debug-pre,
.status-summary {
  padding: 10px 12px;
  white-space: pre-wrap;
  line-height: 1.4;
  min-height: 160px;
}

.status-summary {
  min-height: 220px;
}

.stack-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.stack-card,
.runtime-card,
.knowledge-item,
.empty-state {
  padding: 10px 12px;
}

.stack-card {
  display: grid;
  gap: 6px;
  border: 1px solid var(--field-edge);
  background: linear-gradient(180deg, rgba(25, 38, 53, 0.98), rgba(11, 18, 25, 0.98));
}

.stack-card strong {
  color: var(--blue);
  font-size: 12px;
}

.stack-card span,
.runtime-card span,
.knowledge-meta,
.knowledge-snippet,
.empty-state {
  color: var(--muted);
  line-height: 1.4;
}

.stack-card code,
.knowledge-item code {
  color: #d8ecff;
  font-family: "Courier New", monospace;
  word-break: break-word;
}

.runtime-card-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.runtime-card {
  display: grid;
  gap: 6px;
}

.utility-form {
  display: grid;
  gap: 10px;
}

.knowledge-results {
  display: grid;
  gap: 10px;
}

.knowledge-item {
  display: grid;
  gap: 6px;
}

.knowledge-item strong {
  color: var(--blue);
}

.knowledge-meta {
  font-size: 11px;
}

.action-launchers {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
}

.action-launchers button {
  min-height: 56px;
  padding: 10px 12px;
  text-align: left;
}

.debug-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.debug-card {
  display: grid;
  gap: 8px;
}

.error {
  color: var(--red);
  font-size: 11px;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

@media (max-width: 1100px) {
  .grid {
    grid-template-columns: 1fr;
  }

  .services-panel,
  .debug-panel {
    grid-column: span 1;
  }

  .stack-grid,
  .runtime-card-grid,
  .debug-grid {
    grid-template-columns: 1fr;
  }

  .chat-panel {
    min-height: auto;
  }
}

@media (max-width: 720px) {
  .shell {
    width: min(100vw, calc(100vw - 16px));
    padding: 8px 0 18px;
  }

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

  .hero-meta,
  .toolbar,
  .status-strip,
  .service-toolbar,
  .utility-row,
  .composer-row {
    justify-content: flex-start;
  }

  .panel {
    padding-left: 10px;
    padding-right: 10px;
  }
}