:root {
  --bg: #f5efe7;
  --ink: #1b1b1f;
  --muted: #6b6b74;
  --accent: #ff6b35;
  --accent-2: #2b59c3;
  --panel: #fffdf7;
  --border: rgba(27, 27, 31, 0.12);
  --shadow: 0 12px 40px rgba(27, 27, 31, 0.12);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "IBM Plex Sans", "Segoe UI", sans-serif;
  background: radial-gradient(circle at 20% 20%, #fdf7ef, var(--bg));
  color: var(--ink);
  min-height: 100vh;
}

h1,
h2 {
  font-family: "Space Grotesk", "Segoe UI", sans-serif;
  letter-spacing: -0.02em;
  margin: 0;
}

p {
  margin: 0.4rem 0 0;
  color: var(--muted);
}

.bg-orb {
  position: fixed;
  width: 40vmax;
  height: 40vmax;
  border-radius: 50%;
  filter: blur(60px);
  opacity: 0.35;
  z-index: -1;
}

.bg-orb.one {
  top: -10vmax;
  left: -8vmax;
  background: #ffecd1;
}

.bg-orb.two {
  bottom: -12vmax;
  right: -10vmax;
  background: #d4e9ff;
}

.app {
  padding: 2.2rem clamp(1rem, 3vw, 2.5rem) 2.5rem;
  display: grid;
  gap: 1.5rem;
}

.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 1.4rem 1.6rem;
  box-shadow: var(--shadow);
  animation: fadeIn 0.8s ease-out;
}

.controls {
  display: flex;
  gap: 0.8rem;
  align-items: center;
}

.controls input {
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0.65rem 1rem;
  min-width: 220px;
  background: #fff;
}

.controls button {
  border: none;
  border-radius: 999px;
  padding: 0.65rem 1.2rem;
  background: var(--accent);
  color: #fff;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.controls button:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(255, 107, 53, 0.3);
}

.title-button {
  font: inherit;
  color: inherit;
  background: transparent;
  border: none;
  padding: 0;
  cursor: pointer;
}

.title-button:hover {
  opacity: 0.85;
}

.layout {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 1.2rem;
  align-items: start;
}

.layout.layout--single {
  grid-template-columns: 1fr;
}

.category-bar {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: nowrap;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 0.45rem 0.8rem;
  box-shadow: var(--shadow);
}

.category-bar h2 {
  font-size: 0.9rem;
  margin-right: 0.6rem;
}

.category-bar .list {
  flex: 1;
  display: flex;
  flex-direction: row;
  flex-wrap: nowrap;
  gap: 0.5rem;
  overflow-x: auto;
  overflow-y: hidden;
  padding-bottom: 0.1rem;
  scrollbar-width: thin;
}

.category-bar .list button {
  white-space: nowrap;
  padding: 0.45rem 0.7rem;
  font-size: 0.85rem;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 1rem;
  box-shadow: var(--shadow);
  min-height: 320px;
  display: flex;
  flex-direction: column;
  animation: riseIn 0.7s ease;
}

.panel h2 {
  font-size: 1.1rem;
}

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.6rem;
  margin-bottom: 0.6rem;
}

.list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  overflow: auto;
  padding-right: 0.2rem;
}

.list button {
  text-align: left;
  background: transparent;
  border: 1px solid transparent;
  border-radius: 12px;
  padding: 0.65rem 0.8rem;
  cursor: pointer;
  font-size: 0.95rem;
  transition: border 0.2s ease, background 0.2s ease;
}

.list button:hover {
  border-color: var(--border);
  background: rgba(255, 107, 53, 0.08);
}

.list button.active {
  border-color: rgba(43, 89, 195, 0.3);
  background: rgba(43, 89, 195, 0.12);
  font-weight: 600;
}

.group-header {
  font-family: "Space Grotesk", "Segoe UI", sans-serif;
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  margin: 0.8rem 0 0.3rem;
}

.error-banner {
  border: 1px solid rgba(255, 107, 53, 0.4);
  background: rgba(255, 107, 53, 0.12);
  color: var(--ink);
  border-radius: 12px;
  padding: 0.6rem 0.8rem;
  font-size: 0.9rem;
}

.badge {
  font-size: 0.8rem;
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  background: rgba(27, 27, 31, 0.06);
}

.article-view {
  background: #fff;
  border-radius: 16px;
  padding: 1rem;
  min-height: 300px;
  overflow: auto;
}

.entry-card {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 0.95rem 1rem;
  background: #fff;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  width: 100%;
  overflow-wrap: anywhere;
}

.entry-card h3 {
  margin: 0;
  font-size: 1.1rem;
  font-weight: 600;
  line-height: 1.3;
  overflow-wrap: anywhere;
}

.entry-meta {
  font-size: 0.78rem;
  color: var(--muted);
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  align-items: center;
}

.entry-meta .meta-date {
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.entry-meta .meta-source {
  background: rgba(27, 27, 31, 0.08);
  color: #3a3a40;
  border-radius: 999px;
  padding: 0.1rem 0.5rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.entry-card a {
  color: var(--accent-2);
  text-decoration: none;
  font-weight: 600;
}

.article-view h3 {
  margin: 0 0 0.4rem;
  font-size: 1.15rem;
}

.article-meta {
  font-size: 0.85rem;
  color: var(--muted);
  margin-bottom: 0.8rem;
}

.article-view a {
  color: var(--accent-2);
  text-decoration: none;
  font-weight: 600;
}

.app-footer {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  font-size: 0.85rem;
  color: var(--muted);
}

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

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(-8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes riseIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 1100px) {
  .layout {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .app-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .controls {
    width: 100%;
  }

  .controls input {
    flex: 1;
  }

  .category-bar {
    flex-wrap: wrap;
    gap: 0.6rem;
  }

  .category-bar .list {
    flex-wrap: wrap;
    overflow-x: visible;
    padding-bottom: 0;
  }

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