:root {
  color-scheme: dark;
  --bg: #070b14;
  --card: #12192b;
  --card-soft: #0f1524;
  --muted: #8a94ad;
  --text: #e8ecf7;
  --accent: #5e9bff;
  --ok: #1ec57a;
  --danger: #f35e5e;
  --border: #273455;
  --shadow: 0 20px 50px rgba(0, 0, 0, 0.35);
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: Inter, system-ui, Arial, sans-serif;
  background:
    radial-gradient(circle at 10% 10%, rgba(94, 155, 255, 0.12), transparent 35%),
    radial-gradient(circle at 90% 20%, rgba(30, 197, 122, 0.08), transparent 30%),
    linear-gradient(180deg, #070b14 0%, #0d1321 100%);
  color: var(--text);
  padding: 20px 20px 36px;
}

.hidden { display: none !important; }

#appShell {
  max-width: 1180px;
  margin: 0 auto;
}

.topbar, .filters, .stats, .cards {
  margin: 0 auto 18px auto;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 14px;
  background: rgba(18, 25, 43, 0.75);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 18px;
  backdrop-filter: blur(6px);
}
.topbar h1 { margin: 0; }
.topbar p { margin: 6px 0 0; color: var(--muted); }

.topbar-actions, .filters {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

button, input, select {
  border: 1px solid var(--border);
  background: #10192b;
  color: var(--text);
  border-radius: 12px;
  padding: 11px 13px;
}

button {
  cursor: pointer;
  background: linear-gradient(180deg, #74acff 0%, #4c86f5 100%);
  border: none;
  font-weight: 700;
  transition: transform .15s ease, filter .15s ease;
}
button:hover { transform: translateY(-1px); filter: brightness(1.04); }
button:active { transform: translateY(0); }

button.secondary { background: #1a2338; border: 1px solid var(--border); font-weight: 600; }
button.reject { background: linear-gradient(180deg, #ff7f7f 0%, #de4646 100%); }
button.approve { background: linear-gradient(180deg, #3add95 0%, #19ad6b 100%); }

input, select { min-width: 220px; }

.filters {
  background: rgba(18, 25, 43, 0.72);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 14px;
}

.stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(120px, 1fr));
  gap: 12px;
}

.stat {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 14px;
  box-shadow: var(--shadow);
}
.stat small { color: var(--muted); }
.stat strong { font-size: 1.3rem; display: block; margin-top: 4px; }

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 16px;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 16px;
  min-height: 240px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: var(--shadow);
  transition: transform .2s ease, border-color .2s ease;
}

.card:hover {
  transform: translateY(-2px);
  border-color: #3c4f80;
}

.meta { color: var(--muted); font-size: .9rem; }
.topic { margin: 10px 0; font-weight: 700; line-height: 1.35; font-size: 1.05rem; }
.summary {
  margin: 0 0 10px;
  color: #c8d1e7;
  line-height: 1.45;
  font-size: .94rem;
  display: -webkit-box;
  -webkit-line-clamp: 4;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.chip {
  display: inline-block;
  font-size: .75rem;
  padding: 4px 10px;
  border-radius: 999px;
  background: #1a2338;
  border: 1px solid var(--border);
  margin-right: 6px;
}

.card-actions { display: flex; gap: 8px; margin-top: 14px; flex-wrap: wrap; }

.card-actions button {
  flex: 1;
  min-width: 100px;
}

dialog {
  width: min(900px, 92vw);
  border: 1px solid #334570;
  border-radius: 18px;
  background: #111a2c;
  color: var(--text);
  box-shadow: 0 40px 80px rgba(0,0,0,.55);
}

dialog::backdrop {
  background: rgba(5, 10, 20, 0.72);
  backdrop-filter: blur(4px);
}

dialog article { padding: 4px; }

.dialog-header { display: flex; justify-content: space-between; align-items: center; }

#dialogBody p { line-height: 1.55; }

.source-item {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px;
  margin-bottom: 10px;
  background: var(--card-soft);
}

.source-item a {
  color: #9dc2ff;
  text-decoration: none;
}

.source-item a:hover { text-decoration: underline; }

.auth-gate {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.auth-card {
  width: min(460px, 100%);
  background: rgba(17, 26, 44, 0.84);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 24px;
  box-shadow: var(--shadow);
}

.auth-card h1 { margin: 0 0 6px; }
.auth-card p { color: var(--muted); margin: 0 0 14px; }

.auth-form {
  display: grid;
  gap: 10px;
  margin-bottom: 10px;
}

.auth-form label {
  display: grid;
  gap: 6px;
  font-size: .92rem;
}

.toast {
  position: fixed;
  right: 16px;
  bottom: 16px;
  background: #111a2a;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px 12px;
  opacity: 0;
  transition: opacity .2s;
}
.toast.show { opacity: 1; }

@media (max-width: 860px) {
  .topbar {
    flex-direction: column;
    align-items: flex-start;
  }

  .topbar-actions {
    width: 100%;
  }

  .topbar-actions button {
    flex: 1;
    min-width: 110px;
  }

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

  .filters {
    flex-direction: column;
  }

  input, select {
    min-width: 100%;
    width: 100%;
  }

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