:root {
  --bg-top: #d9e8fb;
  --bg-bottom: #eef4ff;
  --panel: #ffffff;
  --text-main: #102039;
  --text-soft: #2f4b75;
  --muted: #5d6f8a;
  --border: #d7e1f0;
  --accent: #1f71dc;
  --accent-dark: #1658ad;
  --shadow: 0 8px 22px rgba(16, 32, 57, 0.08);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Trebuchet MS", "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at top right, #b8d5ff 0%, transparent 42%),
    linear-gradient(180deg, var(--bg-top) 0%, #f6f9ff 55%, var(--bg-bottom) 100%);
  color: var(--text-main);
  min-height: 100vh;
}

.app {
  max-width: 980px;
  margin: 0 auto;
  padding: 28px 18px 34px;
}

.hero {
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 24px 22px;
  box-shadow: var(--shadow);
}

.hero h1 {
  margin: 0 0 6px;
  font-size: 2.2rem;
  letter-spacing: 1px;
}

.subtitle {
  margin: 0;
  font-size: 1.05rem;
  color: var(--text-soft);
}

.helper-text {
  margin: 10px 0 0;
  font-size: 0.9rem;
  color: var(--muted);
}

.toolbar {
  margin-top: 18px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 16px;
  box-shadow: var(--shadow);
}

.toolbar label {
  display: block;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--text-soft);
}

#search {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid #b9c9e3;
  border-radius: 10px;
  font-size: 0.98rem;
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

#search:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(31, 113, 220, 0.16);
}

#result-count {
  margin: 10px 2px 0;
  font-size: 0.92rem;
  color: var(--muted);
}

#loading {
  margin: 18px 4px 12px;
  color: var(--text-soft);
  font-weight: 600;
}

#news-container {
  margin-top: 8px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 14px;
}

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 16px;
  box-shadow: var(--shadow);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  display: flex;
  flex-direction: column;
  min-height: 190px;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 26px rgba(17, 31, 61, 0.14);
}

.card h3 {
  margin: 0 0 10px;
  font-size: 1.08rem;
  line-height: 1.35;
}

.meta {
  margin: 0 0 14px;
  font-size: 0.88rem;
  color: var(--muted);
  line-height: 1.5;
}

.read-link {
  margin-top: auto;
  align-self: flex-start;
  text-decoration: none;
  color: #ffffff;
  background: var(--accent);
  padding: 8px 12px;
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 600;
  transition: background 0.2s ease;
}

.read-link:hover {
  background: var(--accent-dark);
}

.empty-state {
  grid-column: 1 / -1;
  background: var(--panel);
  border: 1px dashed #b7c7e0;
  border-radius: 12px;
  padding: 18px;
  text-align: center;
  color: var(--text-soft);
  box-shadow: var(--shadow);
}

.skeleton {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 16px;
  box-shadow: var(--shadow);
}

.skeleton-line {
  height: 10px;
  border-radius: 6px;
  margin-bottom: 10px;
  background: linear-gradient(90deg, #e7edf8 25%, #dce6f4 50%, #e7edf8 75%);
  background-size: 200% 100%;
  animation: shimmer 1.2s linear infinite;
}

.skeleton-line.long {
  width: 90%;
}

.skeleton-line.medium {
  width: 72%;
}

.skeleton-line.short {
  width: 55%;
}

@keyframes shimmer {
  from {
    background-position: 200% 0;
  }

  to {
    background-position: -200% 0;
  }
}

@media (max-width: 640px) {
  .app {
    padding: 18px 12px 26px;
  }

  .hero h1 {
    font-size: 1.85rem;
  }

  .card {
    min-height: 170px;
  }
}