:root {
  color-scheme: light;
  --bg: #f4f7f8;
  --surface: #ffffff;
  --surface-2: #f7f9fb;
  --ink: #16202a;
  --muted: #5f6f82;
  --line: #d7e0e8;
  --brand: #17212b;
  --accent: #ff6b00;
  --accent-dark: #c94f00;
  --accent-soft: #fff0e3;
  --green: #1f7a5a;
  --blue: #245f8f;
  --danger: #b42318;
  --shadow: 0 18px 46px rgba(22, 32, 42, 0.12);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    linear-gradient(140deg, rgba(23, 33, 43, 0.08), rgba(255, 107, 0, 0.08)),
    var(--bg);
  color: var(--ink);
}

button {
  min-height: 44px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0 16px;
  background: var(--surface);
  color: var(--ink);
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.45;
}

button.primary {
  border-color: var(--accent);
  background: var(--accent);
  color: #fff;
}

button.primary:hover {
  border-color: var(--accent-dark);
  background: var(--accent-dark);
}

input,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  color: var(--ink);
  font: inherit;
}

input {
  min-height: 44px;
  padding: 0 12px;
}

textarea {
  min-height: 430px;
  padding: 14px;
  resize: vertical;
  line-height: 1.5;
}

.shell {
  width: min(1120px, calc(100% - 32px));
  min-height: 100vh;
  margin: 0 auto;
  display: grid;
  align-items: center;
  padding: 32px 0;
}

.workspace {
  display: grid;
  gap: 22px;
  overflow: hidden;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.topbar,
.controls,
.panels,
dl div {
  display: flex;
  align-items: center;
}

.topbar {
  padding: 24px 28px;
  border-bottom: 4px solid var(--accent);
  background:
    linear-gradient(100deg, #151d26, var(--brand));
  color: #ffffff;
  justify-content: space-between;
  gap: 18px;
}

.brand-lockup {
  min-width: 0;
  display: flex;
  align-items: center;
  gap: 16px;
}

.brand-logo {
  width: 68px;
  height: 68px;
  flex: 0 0 auto;
  object-fit: contain;
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 8px;
  background: #ffffff;
  padding: 7px;
}

.eyebrow {
  margin: 0 0 6px;
  color: #ffb071;
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0;
}

.brand-subtitle {
  margin-top: 8px;
  color: #d7dee8;
  font-size: 14px;
  font-weight: 700;
}

h1,
h2,
p {
  margin: 0;
}

h1 {
  font-size: clamp(28px, 5vw, 54px);
  line-height: 1;
  letter-spacing: 0;
  color: #ffffff;
}

h2 {
  font-size: 15px;
  letter-spacing: 0;
}

.status-pill {
  flex: 0 0 auto;
  gap: 8px;
  min-height: 36px;
  padding: 0 12px;
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  color: #ffffff;
  font-size: 14px;
  font-weight: 800;
}

.status-dot {
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: #ffb071;
}

.status-pill.live .status-dot {
  background: var(--green);
}

.status-pill.error .status-dot {
  background: var(--danger);
}

.voice-stage {
  margin: 28px 28px 0;
  min-height: 310px;
  display: grid;
  place-items: center;
  gap: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background:
    linear-gradient(110deg, rgba(255, 255, 255, 0.96), rgba(247, 249, 251, 0.94)),
    repeating-linear-gradient(90deg, transparent 0 38px, rgba(255, 107, 0, 0.08) 38px 39px);
  text-align: center;
}

.voice-stage p {
  max-width: min(720px, 90%);
  color: var(--muted);
  font-size: clamp(18px, 3vw, 28px);
  font-weight: 750;
  line-height: 1.25;
}

.signal {
  width: min(520px, 86vw);
  height: 118px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
}

.signal span {
  width: 20px;
  height: 36px;
  border-radius: 8px;
  background: linear-gradient(180deg, var(--accent), var(--brand));
  transform-origin: center;
  opacity: 0.55;
}

.signal.active span {
  animation: pulse 920ms ease-in-out infinite;
}

.signal.active span:nth-child(2) {
  animation-delay: 90ms;
}

.signal.active span:nth-child(3) {
  animation-delay: 180ms;
}

.signal.active span:nth-child(4) {
  animation-delay: 270ms;
}

.signal.active span:nth-child(5) {
  animation-delay: 360ms;
}

@keyframes pulse {
  0%,
  100% {
    transform: scaleY(0.45);
  }
  50% {
    transform: scaleY(2.4);
  }
}

.controls {
  padding: 0 28px;
  flex-wrap: wrap;
  gap: 10px;
}

.panels {
  padding: 0 28px 28px;
  align-items: stretch;
  gap: 16px;
}

.panel {
  flex: 1 1 280px;
  min-width: 0;
  display: grid;
  gap: 14px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: linear-gradient(180deg, #ffffff, #fbfdff);
}

dl {
  display: grid;
  gap: 10px;
  margin: 0;
}

dl div {
  justify-content: space-between;
  gap: 16px;
  min-height: 34px;
  border-bottom: 1px solid var(--line);
}

dt {
  color: var(--muted);
  font-size: 13px;
  font-weight: 750;
}

dd {
  margin: 0;
  overflow-wrap: anywhere;
  font-size: 13px;
  font-weight: 800;
}

.log-panel {
  flex-basis: 420px;
}

ol {
  min-height: 118px;
  max-height: 190px;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column-reverse;
  gap: 8px;
  overflow: auto;
  list-style: none;
}

li {
  padding: 10px 12px;
  border-radius: 8px;
  background: var(--surface-2);
  color: var(--muted);
  font-size: 13px;
  line-height: 1.35;
  overflow-wrap: anywhere;
}

.admin-body {
  background:
    linear-gradient(150deg, rgba(23, 33, 43, 0.06), rgba(255, 107, 0, 0.05)),
    var(--bg);
}

.admin-shell {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 28px 0;
  display: grid;
  gap: 18px;
}

.admin-header,
.admin-login,
.admin-section {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: 0 14px 38px rgba(22, 32, 42, 0.08);
}

.admin-header {
  padding: 22px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  border-bottom: 4px solid var(--accent);
  background: linear-gradient(100deg, #151d26, var(--brand));
  color: #fff;
}

.admin-header h1 {
  font-size: clamp(24px, 3vw, 40px);
}

.admin-link {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: 8px;
  padding: 0 14px;
  color: #fff;
  text-decoration: none;
  font-weight: 800;
}

.admin-login {
  padding: 20px;
  display: grid;
  gap: 10px;
}

.admin-login label {
  font-weight: 800;
}

.admin-login p,
.admin-knowledge p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}

.admin-token-row {
  display: flex;
  gap: 10px;
}

.admin-token-row input {
  flex: 1 1 auto;
}

.admin-grid {
  display: grid;
  grid-template-columns: minmax(260px, 0.8fr) minmax(360px, 1.2fr);
  gap: 16px;
  align-items: start;
}

.admin-section {
  min-width: 0;
  padding: 18px;
  display: grid;
  gap: 14px;
}

.admin-section-title {
  min-height: 44px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.admin-metrics,
.admin-events {
  grid-column: span 1;
}

.admin-knowledge {
  grid-column: 1 / -1;
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
}

.metric-item {
  min-height: 92px;
  display: grid;
  align-content: center;
  gap: 6px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface-2);
}

.metric-item strong {
  color: var(--brand);
  font-size: 30px;
  line-height: 1;
}

.metric-item span {
  color: var(--muted);
  font-size: 13px;
  font-weight: 750;
}

.admin-events ol {
  max-height: 460px;
  flex-direction: column;
}

.admin-events li {
  display: grid;
  gap: 6px;
}

.admin-events li strong {
  color: var(--ink);
  font-size: 13px;
}

.admin-events li span {
  color: var(--muted);
}

@media (max-width: 760px) {
  .shell {
    width: min(100% - 20px, 1120px);
    padding: 10px 0;
  }

  .workspace {
    padding: 0;
  }

  .topbar {
    padding: 18px;
    align-items: flex-start;
    flex-direction: column;
  }

  .brand-logo {
    width: 58px;
    height: 58px;
  }

  .status-pill {
    align-self: stretch;
    justify-content: center;
  }

  .voice-stage {
    margin: 18px 18px 0;
    min-height: 260px;
  }

  .controls {
    padding: 0 18px;
  }

  .panels {
    padding: 0 18px 18px;
  }

  .controls button {
    flex: 1 1 145px;
  }

  .admin-shell {
    width: min(100% - 20px, 1180px);
    padding: 10px 0;
  }

  .admin-header,
  .admin-token-row,
  .admin-grid,
  .admin-section-title {
    align-items: stretch;
    flex-direction: column;
  }

  .admin-grid {
    display: flex;
  }

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