:root {
  --bg: #050816;
  --bg-elevated: rgba(10, 16, 36, 0.74);
  --bg-soft: rgba(10, 22, 44, 0.55);
  --line: rgba(103, 188, 255, 0.18);
  --line-strong: rgba(103, 188, 255, 0.35);
  --text: #f4f7ff;
  --muted: #9ab1d7;
  --accent: #65d6ff;
  --accent-2: #35ffa2;
  --danger: #ff6b91;
  --shadow: 0 18px 70px rgba(0, 0, 0, 0.42);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  background:
    radial-gradient(circle at top left, rgba(18, 89, 187, 0.3), transparent 32%),
    radial-gradient(circle at 80% 10%, rgba(53, 255, 162, 0.12), transparent 28%),
    linear-gradient(180deg, #06101d 0%, #04060d 100%);
  color: var(--text);
  font-family: "Space Grotesk", sans-serif;
}

body {
  position: relative;
  overflow-x: hidden;
}

h1,
h2,
h3,
.eyebrow,
.compare-title,
.bench-picker-label {
  font-family: "Orbitron", sans-serif;
}

#particle-field {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0.42;
  pointer-events: none;
  z-index: 0;
}

.backdrop-grid {
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(92, 154, 255, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(92, 154, 255, 0.08) 1px, transparent 1px);
  background-size: 72px 72px;
  transform: perspective(900px) rotateX(70deg) translateY(18%);
  transform-origin: center top;
  opacity: 0.18;
  animation: gridDrift 24s linear infinite;
  pointer-events: none;
  z-index: 0;
}

.backdrop-orb {
  position: fixed;
  width: 30vw;
  height: 30vw;
  border-radius: 50%;
  filter: blur(60px);
  pointer-events: none;
  z-index: 0;
  opacity: 0.28;
}

.orb-one {
  top: -6vw;
  left: -5vw;
  background: rgba(50, 134, 255, 0.42);
  animation: driftOne 16s ease-in-out infinite alternate;
}

.orb-two {
  bottom: -8vw;
  right: -4vw;
  background: rgba(43, 255, 182, 0.22);
  animation: driftTwo 18s ease-in-out infinite alternate;
}

.app-shell,
.login-shell {
  position: relative;
  z-index: 1;
}

.app-shell {
  width: min(1440px, calc(100% - 32px));
  margin: 0 auto;
  padding: 24px 0 40px;
}

.login-shell {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}

.glass {
  background: var(--bg-elevated);
  backdrop-filter: blur(16px);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.topbar,
.panel,
.intro-card,
.status-card,
.login-panel {
  border-radius: 24px;
}

.topbar {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
  padding: 22px 24px;
}

.topbar h1,
.intro-card h2,
.status-card h3,
.panel h3,
.login-panel h1 {
  margin: 0;
}

.topbar-meta,
.hero-stats,
.control-row,
.composer-actions,
.section-header {
  display: flex;
  gap: 12px;
  align-items: center;
}

.topbar-meta {
  flex-wrap: wrap;
  justify-content: flex-end;
}

.stat-badge {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 124px;
  padding: 12px 14px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.06);
}

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

.eyebrow {
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 8px;
}

.hero-grid,
.panel-grid {
  display: grid;
  gap: 18px;
  margin-top: 18px;
}

.hero-grid {
  grid-template-columns: 1.25fr 0.95fr;
}

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

.bottom-grid {
  grid-template-columns: 1.2fr 0.8fr;
}

.intro-card,
.status-card,
.panel {
  padding: 22px;
}

.hero-stats {
  margin-top: 22px;
  flex-wrap: wrap;
}

.hero-stats > div {
  min-width: 150px;
  padding: 14px 16px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.catalog-summary {
  display: grid;
  gap: 12px;
  max-height: 340px;
  overflow: auto;
  padding-right: 4px;
}

.catalog-card,
.model-focus,
.compare-card,
.activity-item,
.metric-pill,
.benchmark-card {
  border-radius: 18px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: var(--bg-soft);
}

.catalog-card,
.model-focus,
.compare-card,
.activity-item,
.benchmark-card {
  padding: 14px 16px;
}

.catalog-card h4,
.model-focus h4 {
  margin: 0 0 6px;
}

.catalog-meta,
.chip-row,
.metric-strip,
.benchmark-model-picker {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.chip,
.metric-pill,
.model-toggle {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 10px;
  border-radius: 999px;
  font-size: 0.86rem;
}

.chip,
.model-toggle {
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.03);
}

.panel {
  min-height: 400px;
}

.section-header {
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 16px;
}

.control-row {
  flex-wrap: wrap;
  margin-bottom: 14px;
}

.control {
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex: 1;
  min-width: 180px;
}

.full-width {
  width: 100%;
  margin-bottom: 14px;
}

select,
textarea,
input[type="number"],
input[type="text"],
input[type="password"] {
  width: 100%;
  padding: 12px 14px;
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(2, 7, 21, 0.85);
  color: var(--text);
  font: inherit;
}

input[type="range"] {
  width: 100%;
  accent-color: var(--accent);
}

textarea {
  resize: vertical;
}

.model-focus,
.summary-banner,
.response-output,
.chat-thread,
.benchmark-results,
.activity-list {
  min-height: 84px;
}

.model-focus {
  margin-bottom: 14px;
}

.chat-thread {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 8px 4px 8px 0;
  max-height: 420px;
  overflow: auto;
}

.message {
  max-width: 90%;
  padding: 14px 16px;
  border-radius: 18px;
  white-space: pre-wrap;
  line-height: 1.55;
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.message.user {
  align-self: flex-end;
  background: rgba(26, 108, 203, 0.24);
}

.message.assistant {
  align-self: flex-start;
  background: rgba(8, 25, 42, 0.9);
}

.message.system {
  align-self: center;
  background: rgba(53, 255, 162, 0.08);
  color: #c4ffea;
}

.composer {
  margin-top: 12px;
}

.composer-actions {
  justify-content: flex-end;
  margin-top: 10px;
}

.metric-strip {
  margin-top: 12px;
}

.metric-pill {
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
}

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

.compare-title {
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 10px;
  color: var(--accent);
  font-size: 0.82rem;
}

.response-output {
  max-height: 340px;
  overflow: auto;
  white-space: pre-wrap;
  line-height: 1.55;
}

.summary-banner {
  display: flex;
  align-items: center;
  padding: 12px 14px;
  border-radius: 16px;
  border: 1px solid rgba(101, 214, 255, 0.18);
  background: rgba(101, 214, 255, 0.08);
}

.benchmark-model-picker {
  margin: 14px 0;
}

.model-toggle {
  cursor: pointer;
}

.model-toggle input {
  accent-color: var(--accent-2);
}

.benchmark-results {
  display: grid;
  gap: 12px;
}

.benchmark-card {
  display: grid;
  gap: 10px;
}

.leader-line {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
}

.bar-wrap {
  height: 10px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
  overflow: hidden;
}

.bar {
  height: 100%;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
}

.activity-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  max-height: 760px;
  overflow: auto;
}

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

.empty-state {
  display: grid;
  place-items: center;
  color: var(--muted);
  text-align: center;
}

.primary-button,
.ghost-button {
  border: none;
  cursor: pointer;
  color: var(--text);
  font: inherit;
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

.primary-button {
  padding: 12px 16px;
  border-radius: 16px;
  background: linear-gradient(135deg, rgba(86, 209, 255, 0.95), rgba(35, 255, 168, 0.88));
  color: #03101c;
  font-weight: 700;
  box-shadow: 0 10px 24px rgba(53, 255, 162, 0.18);
}

.ghost-button {
  padding: 11px 14px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.primary-button:hover,
.ghost-button:hover {
  transform: translateY(-1px);
}

.login-body {
  overflow: hidden;
}

.login-panel {
  width: min(460px, 100%);
  padding: 28px;
}

.login-form {
  display: grid;
  gap: 14px;
  margin-top: 20px;
}

.error-banner {
  padding: 12px 14px;
  border-radius: 14px;
  background: rgba(255, 107, 145, 0.12);
  border: 1px solid rgba(255, 107, 145, 0.3);
  color: #ffc2d0;
}

@keyframes gridDrift {
  from {
    transform: perspective(900px) rotateX(70deg) translateY(18%) translateX(0);
  }
  to {
    transform: perspective(900px) rotateX(70deg) translateY(18%) translateX(-72px);
  }
}

@keyframes driftOne {
  from {
    transform: translate3d(0, 0, 0) scale(1);
  }
  to {
    transform: translate3d(7vw, 6vh, 0) scale(1.08);
  }
}

@keyframes driftTwo {
  from {
    transform: translate3d(0, 0, 0) scale(1);
  }
  to {
    transform: translate3d(-6vw, -4vh, 0) scale(1.12);
  }
}

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

@media (max-width: 720px) {
  .app-shell {
    width: min(100% - 20px, 1440px);
    padding-top: 14px;
  }

  .topbar,
  .intro-card,
  .status-card,
  .panel,
  .login-panel {
    border-radius: 20px;
  }

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

  .topbar-meta {
    justify-content: space-between;
  }

  .message {
    max-width: 100%;
  }
}