:root {
  color-scheme: dark;
  --bg: #06101f;
  --bg-soft: #10203f;
  --panel: rgba(255, 255, 255, 0.06);
  --panel-strong: rgba(255, 255, 255, 0.1);
  --text: #f4f7ff;
  --muted: #9fb0d4;
  --accent: #2f6bff;
  --accent-2: #ff8b3d;
  --accent-3: #2cc8ff;
  --border: rgba(255, 255, 255, 0.16);
  --shadow: 0 20px 70px rgba(1, 6, 18, 0.32);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Inter, "Segoe UI", Roboto, sans-serif;
  background: linear-gradient(135deg, #07111f 0%, #0d2446 45%, #0b70b5 100%);
  color: var(--text);
  line-height: 1.6;
}

a {
  color: inherit;
  text-decoration: none;
}

.app-shell {
  display: grid;
  grid-template-columns: 280px 1fr;
  min-height: 100vh;
}

.app-shell.is-embed {
  grid-template-columns: 1fr;
}

.app-shell.is-embed .sidebar {
  display: none;
}

.app-shell.is-embed .main-panel {
  padding: 0.65rem;
}

.app-shell.is-embed .topbar {
  display: none;
}

.app-shell.is-embed .hero-panel {
  grid-template-columns: 1fr;
}

.app-shell.is-embed .hero-metrics {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.app-shell.is-embed .content-grid,
.app-shell.is-embed .lower-grid {
  grid-template-columns: 1fr;
}

.sidebar {
  padding: 1.5rem;
  background: rgba(4, 10, 24, 0.96);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 1.4rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.4rem 0.7rem;
  border-radius: 999px;
  background: linear-gradient(135deg, #ff8b3d 0%, #2cc8ff 50%, #2f6bff 100%);
  color: #04101f;
  box-shadow: 0 0 0 2px rgba(255,255,255,0.16);
}

.brand-sub {
  color: var(--muted);
  font-size: 0.78rem;
  letter-spacing: 0.16em;
}

.sidebar-nav {
  display: grid;
  gap: 0.4rem;
}

.nav-link {
  padding: 0.7rem 0.8rem;
  border-radius: 12px;
  color: var(--muted);
}

.nav-link.active {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text);
}

.sidebar-card,
.panel,
.hero-panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 24px;
  box-shadow: var(--shadow);
}

.sidebar-card {
  padding: 1rem;
}

.main-panel {
  padding: 1.4rem;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 0.6rem 0 1.2rem;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.24em;
  font-size: 0.74rem;
  color: #2cc8ff;
  margin: 0 0 0.5rem;
}

h1,
h2,
h3,
p {
  margin: 0;
}

h1 {
  font-size: clamp(1.4rem, 2.3vw, 2rem);
}

h2 {
  font-size: clamp(1.35rem, 2vw, 1.8rem);
}

h3 {
  font-size: 1.1rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.8rem 1rem;
  border-radius: 999px;
  font-weight: 600;
}

.btn-primary {
  background: linear-gradient(135deg, #2f6bff 0%, #2cc8ff 50%, #ff8b3d 100%);
  color: #04101f;
  box-shadow: 0 10px 24px rgba(44, 200, 255, 0.18);
}

.dashboard {
  display: grid;
  gap: 1rem;
}

.hero-panel {
  padding: 1.3rem;
  display: grid;
  gap: 1rem;
  grid-template-columns: 1.15fr 0.85fr;
  align-items: start;
}

.hero-copy p {
  color: var(--muted);
  max-width: 700px;
}

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.8rem;
}

.metric-card {
  padding: 0.9rem;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.metric-card span {
  display: block;
  color: var(--muted);
  font-size: 0.8rem;
  margin-bottom: 0.3rem;
}

.metric-card strong {
  font-size: 1.2rem;
}

.content-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: 1.1fr 0.9fr;
}

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

.panel {
  padding: 1.1rem;
}

.panel-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.8rem;
  margin-bottom: 0.9rem;
}

.pill {
  display: inline-flex;
  padding: 0.35rem 0.7rem;
  border-radius: 999px;
  background: rgba(44, 200, 255, 0.22);
  color: #dff7ff;
  font-size: 0.8rem;
  border: 1px solid rgba(255,255,255,0.16);
}

.waste-form {
  display: grid;
  gap: 0.75rem;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
}

.waste-form label {
  display: grid;
  gap: 0.35rem;
  color: var(--muted);
}

.waste-form input,
.waste-form select {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 0.8rem 0.9rem;
  background: rgba(255,255,255,0.06);
  color: var(--text);
}

.checkbox-label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding-top: 0.2rem;
}

.checkbox-label input {
  width: 1rem;
  height: 1rem;
}

.result-card {
  display: grid;
  gap: 0.7rem;
}

.result-number {
  font-size: clamp(2rem, 3vw, 2.8rem);
  font-weight: 700;
}

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

.signal-summary,
.review-queue,
.signal-board {
  display: grid;
  gap: 0.6rem;
}

.signal-item,
.review-row {
  padding: 0.8rem;
  border-radius: 14px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
}

.signal-item strong,
.review-row strong {
  display: block;
  margin-bottom: 0.25rem;
}

.signal-meta,
.review-meta {
  color: var(--muted);
  font-size: 0.9rem;
}

.review-row .review-action {
  display: inline-flex;
  margin-top: 0.45rem;
  color: var(--accent-2);
  font-weight: 600;
}

.empty-state {
  padding: 1rem;
  border-radius: 14px;
  background: rgba(255,255,255,0.04);
  color: var(--muted);
}

@media (max-width: 1000px) {
  .app-shell {
    grid-template-columns: 1fr;
  }

  .sidebar {
    border-right: 0;
    border-bottom: 1px solid var(--border);
  }

  .content-grid,
  .lower-grid,
  .hero-panel {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .main-panel {
    padding: 1rem;
  }

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

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

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