:root {
  color-scheme: dark;
  --bg: #020617;
  --bg-soft: #07111f;
  --panel: rgba(6, 18, 36, 0.74);
  --panel-strong: rgba(8, 24, 44, 0.94);
  --line: rgba(103, 232, 249, 0.22);
  --line-strong: rgba(34, 211, 238, 0.48);
  --cyan: #22d3ee;
  --cyan-2: #67e8f9;
  --green: #34d399;
  --violet: #a78bfa;
  --danger: #fb7185;
  --text: #ecfeff;
  --muted: #9db5c8;
  --shadow: 0 24px 90px rgba(8, 145, 178, 0.18);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, "Segoe UI", Arial, sans-serif;
  background:
    radial-gradient(circle at 14% 4%, rgba(34, 211, 238, 0.22), transparent 28rem),
    radial-gradient(circle at 82% 0%, rgba(167, 139, 250, 0.18), transparent 24rem),
    radial-gradient(circle at 88% 84%, rgba(52, 211, 153, 0.12), transparent 24rem),
    linear-gradient(145deg, #01030a 0%, #020617 50%, #06111f 100%);
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(103, 232, 249, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(103, 232, 249, 0.045) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: radial-gradient(circle at 50% 20%, #000 0%, transparent 72%);
}

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

button {
  border: 0;
  border-radius: 16px;
  padding: 13px 16px;
  color: #03111a;
  background: linear-gradient(135deg, var(--cyan), #8ff7ff);
  font-weight: 900;
  cursor: pointer;
  transition: transform 0.16s ease, opacity 0.16s ease, border-color 0.16s ease, box-shadow 0.16s ease;
}

button:hover {
  transform: translateY(-1px);
  box-shadow: 0 0 24px rgba(34, 211, 238, 0.18);
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.48;
  transform: none;
  box-shadow: none;
}

.ambient {
  position: fixed;
  width: 460px;
  height: 460px;
  border-radius: 999px;
  filter: blur(70px);
  opacity: 0.28;
  pointer-events: none;
}

.ambient-a {
  left: -180px;
  top: 120px;
  background: var(--cyan);
}

.ambient-b {
  right: -160px;
  bottom: 40px;
  background: var(--violet);
}

.shell {
  position: relative;
  z-index: 1;
  width: min(1440px, calc(100vw - 28px));
  margin: 0 auto;
  padding: 22px 0 34px;
}

.topbar,
.hero,
.overview,
.workspace,
.catalog {
  margin-bottom: 18px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 14px 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
  color: inherit;
  text-decoration: none;
}

.brand-icon {
  width: 58px;
  height: 58px;
  border-radius: 18px;
  border: 1px solid var(--line-strong);
  box-shadow: 0 0 34px rgba(34, 211, 238, 0.24);
}

.brand strong {
  display: block;
  margin-top: 2px;
  font-size: 22px;
  letter-spacing: 0.08em;
}

.eyebrow {
  margin: 0;
  color: var(--cyan-2);
  letter-spacing: 0.24em;
  font-size: 11px;
  font-weight: 950;
  text-transform: uppercase;
}

.status-card,
.pro-card,
.metric-card,
.panel,
.chat,
.catalog {
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(8, 18, 35, 0.86), rgba(3, 10, 24, 0.74));
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.status-card {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 260px;
  padding: 14px 16px;
  border-radius: 20px;
}

.status-card small {
  display: block;
  color: var(--muted);
  margin-top: 3px;
  font-size: 12px;
}

.dot {
  width: 12px;
  height: 12px;
  border-radius: 999px;
  background: var(--danger);
  box-shadow: 0 0 18px currentColor;
}

.dot.ok {
  background: var(--green);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.18fr) minmax(360px, 0.82fr);
  gap: 18px;
  align-items: stretch;
}

.hero-copy,
.stable-card {
  border-radius: 34px;
  padding: clamp(24px, 4vw, 42px);
}

.hero-copy {
  min-height: 360px;
  border: 1px solid var(--line);
  background:
    linear-gradient(90deg, rgba(2, 6, 23, 0.94), rgba(8, 18, 35, 0.70)),
    radial-gradient(circle at 82% 20%, rgba(34, 211, 238, 0.16), transparent 21rem);
  box-shadow: var(--shadow);
}

h1 {
  margin: 10px 0 0;
  max-width: 900px;
  font-size: clamp(44px, 9vw, 110px);
  line-height: 0.88;
  letter-spacing: -0.07em;
}

h1 span {
  color: var(--cyan);
  text-shadow: 0 0 34px rgba(34, 211, 238, 0.58);
}

.subtitle {
  margin: 24px 0 0;
  max-width: 760px;
  color: #c5d8e7;
  font-size: clamp(16px, 2vw, 19px);
  line-height: 1.65;
}

.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  margin-top: 26px;
}

.hero-badges span {
  border: 1px solid rgba(103, 232, 249, 0.24);
  border-radius: 999px;
  padding: 8px 11px;
  color: #dbfbff;
  background: rgba(103, 232, 249, 0.07);
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
}

.stable-card {
  display: grid;
  align-content: center;
  gap: 16px;
  background:
    radial-gradient(circle at 20% 0%, rgba(52, 211, 153, 0.15), transparent 40%),
    linear-gradient(180deg, rgba(9, 24, 44, 0.94), rgba(2, 8, 23, 0.84));
}

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

.stable-label {
  color: var(--green);
  font-size: 11px;
  font-weight: 950;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}

#stable-url {
  color: #fff;
  font-size: clamp(16px, 2vw, 20px);
  line-height: 1.35;
  word-break: break-all;
}

.stable-card p,
.stable-card small {
  margin: 0;
  color: var(--muted);
  line-height: 1.55;
}

.stable-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.ghost,
.quick button,
#voice-button {
  color: var(--cyan-2);
  background: rgba(34, 211, 238, 0.08);
  border: 1px solid rgba(34, 211, 238, 0.24);
}

.danger-soft {
  color: #fecdd3;
  border-color: rgba(251, 113, 133, 0.26);
  background: rgba(251, 113, 133, 0.08);
}

.overview {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.metric-card {
  min-height: 126px;
  border-radius: 24px;
  padding: 18px;
}

.metric-card span,
.panel-title span {
  display: block;
  color: var(--muted);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.metric-card strong {
  display: block;
  margin-top: 8px;
  color: #fff;
  font-size: 23px;
}

.metric-card small {
  display: block;
  margin-top: 8px;
  color: var(--muted);
  line-height: 1.4;
}

.workspace {
  display: grid;
  grid-template-columns: 360px minmax(0, 1fr);
  gap: 18px;
}

.panel,
.chat,
.catalog {
  border-radius: 28px;
}

.panel {
  padding: 20px;
}

.panel-title strong {
  display: block;
  margin-top: 4px;
  color: var(--cyan-2);
  font-size: 20px;
}

.label {
  display: block;
  margin: 16px 0 8px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
}

input,
textarea,
select {
  width: 100%;
  border: 1px solid rgba(103, 232, 249, 0.24);
  border-radius: 16px;
  color: var(--text);
  background: rgba(2, 8, 23, 0.86);
  outline: none;
}

input,
select {
  padding: 12px;
}

textarea {
  min-height: 58px;
  max-height: 190px;
  resize: vertical;
  padding: 14px;
}

input:focus,
textarea:focus,
select:focus {
  border-color: var(--cyan);
  box-shadow: 0 0 0 3px rgba(34, 211, 238, 0.10);
}

.button-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-top: 14px;
}

.button-grid button {
  width: 100%;
}

.quick {
  display: grid;
  gap: 10px;
  margin-top: 18px;
}

.quick button {
  text-align: left;
}

.hidden {
  display: none !important;
}

.capabilities {
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.capabilities h3 {
  margin: 0 0 10px;
  color: var(--green);
  font-size: 15px;
}

.capabilities ul {
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
  line-height: 1.45;
}

.capabilities li {
  margin-bottom: 6px;
}

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

.diagnostics {
  margin: 16px 0 0;
  max-height: 260px;
  overflow: auto;
  white-space: pre-wrap;
  color: var(--text);
  background: rgba(2, 8, 23, 0.9);
  border: 1px solid rgba(52, 211, 153, 0.24);
  border-radius: 16px;
  padding: 12px;
  font-size: 12px;
  line-height: 1.45;
}

.chat {
  display: grid;
  grid-template-rows: auto minmax(520px, 64vh) auto;
  overflow: hidden;
}

.chat-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 20px;
  border-bottom: 1px solid rgba(103, 232, 249, 0.15);
}

.chat-head span {
  display: block;
  color: var(--muted);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.chat-head strong {
  display: block;
  margin-top: 4px;
  color: #fff;
}

.chat-head small {
  color: var(--green);
  font-weight: 900;
}

.messages {
  padding: 22px;
  overflow: auto;
}

.message {
  max-width: min(760px, 92%);
  margin: 0 0 14px;
  padding: 15px 17px;
  border-radius: 20px;
  line-height: 1.5;
  white-space: pre-wrap;
}

.message.user {
  margin-left: auto;
  color: #03111a;
  background: linear-gradient(135deg, var(--cyan), #a5f3fc);
}

.message.assistant {
  background: var(--panel-strong);
  border: 1px solid rgba(52, 211, 153, 0.22);
}

.message.system {
  max-width: 100%;
  color: var(--muted);
  background: rgba(255, 255, 255, 0.04);
  border: 1px dashed rgba(255, 255, 255, 0.14);
}

.meta {
  display: block;
  margin-top: 8px;
  color: var(--muted);
  font-size: 12px;
}

.composer {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 10px;
  padding: 16px;
  border-top: 1px solid rgba(103, 232, 249, 0.15);
}

.catalog {
  padding: 22px;
}

.catalog-grid {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 12px;
  margin-top: 16px;
}

.catalog article {
  min-height: 138px;
  padding: 16px;
  border: 1px solid rgba(103, 232, 249, 0.18);
  border-radius: 20px;
  background: rgba(103, 232, 249, 0.055);
}

.catalog b {
  display: block;
  margin-bottom: 8px;
  color: #fff;
}

.catalog span {
  display: block;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.45;
}

@media (max-width: 1120px) {
  .hero,
  .workspace {
    grid-template-columns: 1fr;
  }

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

  .chat {
    grid-template-rows: auto minmax(460px, 58vh) auto;
  }
}

@media (max-width: 680px) {
  .shell {
    width: min(100vw - 18px, 1440px);
    padding-top: 8px;
  }

  .topbar {
    display: grid;
  }

  .status-card {
    width: 100%;
    min-width: 0;
  }

  .brand-icon {
    width: 48px;
    height: 48px;
  }

  .hero-copy,
  .stable-card,
  .panel,
  .chat,
  .catalog {
    border-radius: 22px;
  }

  .overview,
  .catalog-grid,
  .button-grid,
  .stable-actions {
    grid-template-columns: 1fr;
  }

  h1 {
    font-size: clamp(48px, 18vw, 72px);
  }

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

  .messages {
    padding: 16px;
  }
}