:root {
  --bg: #0f1320;
  --surface: #161b2e;
  --surface-2: #1f2540;
  --border: #2a3050;
  --text: #eef0f8;
  --text-dim: #9aa3c0;
  --accent: #5b7cff;
  --accent-2: #8a5bff;
  --danger: #ff5b6e;
  --radius: 14px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
  background: radial-gradient(circle at top left, #1a2040, var(--bg) 60%);
  color: var(--text);
  min-height: 100vh;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 32px;
  border-bottom: 1px solid var(--border);
  background: rgba(15, 19, 32, 0.85);
  backdrop-filter: blur(6px);
  position: sticky;
  top: 0;
  z-index: 10;
}

.nav .brand {
  font-weight: 700;
  font-size: 1.2rem;
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav .brand .dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  box-shadow: 0 0 12px var(--accent);
}

.nav-links { display: flex; align-items: center; gap: 18px; }
.nav-links a, .nav-links button { font-size: 0.95rem; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px 20px;
  border-radius: 999px;
  border: 1px solid transparent;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: white;
  font-weight: 600;
  cursor: pointer;
  font-size: 0.95rem;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.btn:hover { transform: translateY(-1px); box-shadow: 0 6px 18px rgba(91, 124, 255, 0.35); text-decoration: none; }

.btn.secondary {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
}

.btn.danger {
  background: var(--danger);
}

.btn.ghost {
  background: transparent;
  color: var(--text-dim);
  border: 1px solid var(--border);
  padding: 8px 14px;
  font-weight: 500;
}

.hero {
  max-width: 880px;
  margin: 0 auto;
  padding: 100px 24px 60px;
  text-align: center;
}

.hero h1 {
  font-size: 3rem;
  line-height: 1.15;
  margin-bottom: 16px;
  background: linear-gradient(135deg, #ffffff, #b9c2ff);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero p {
  color: var(--text-dim);
  font-size: 1.15rem;
  margin-bottom: 32px;
}

.hero-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

.features {
  max-width: 1000px;
  margin: 0 auto;
  padding: 40px 24px 100px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
}

.feature-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
}

.feature-card h3 { margin-top: 0; }
.feature-card p { color: var(--text-dim); margin-bottom: 0; }

.auth-wrap {
  max-width: 420px;
  margin: 80px auto;
  padding: 0 24px;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
}

.card h2 { margin-top: 0; }
.card .sub { color: var(--text-dim); margin-bottom: 24px; }

.field { margin-bottom: 18px; }
.field label { display: block; margin-bottom: 6px; font-size: 0.9rem; color: var(--text-dim); }
.field input {
  width: 100%;
  padding: 11px 14px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--surface-2);
  color: var(--text);
  font-size: 0.95rem;
}
.field input:focus { outline: 2px solid var(--accent); }

.form-error {
  background: rgba(255, 91, 110, 0.12);
  border: 1px solid rgba(255, 91, 110, 0.4);
  color: #ffb3bc;
  padding: 10px 14px;
  border-radius: 10px;
  margin-bottom: 16px;
  font-size: 0.9rem;
  display: none;
}
.form-error.visible { display: block; }

.form-footer { margin-top: 18px; text-align: center; color: var(--text-dim); font-size: 0.9rem; }

.page {
  max-width: 1100px;
  margin: 0 auto;
  padding: 32px 24px 80px;
}

.search-bar {
  display: flex;
  gap: 12px;
  margin-bottom: 28px;
}

.search-bar input {
  flex: 1;
  padding: 14px 18px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  font-size: 1rem;
}
.search-bar input:focus { outline: 2px solid var(--accent); }

.section-title {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 16px;
  color: var(--text-dim);
  font-size: 0.95rem;
}

.article-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}

.article-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.article-card:hover { transform: translateY(-3px); box-shadow: 0 10px 24px rgba(0,0,0,0.35); }

.article-card .body { padding: 18px; display: flex; flex-direction: column; gap: 8px; flex: 1; }

.article-card .meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.78rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.article-card .meta .source {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.article-card .favicon {
  width: 14px;
  height: 14px;
  border-radius: 3px;
  display: block;
}

.article-card h3 { margin: 0; font-size: 1.05rem; line-height: 1.4; }
.article-card p { margin: 0; color: var(--text-dim); font-size: 0.9rem; flex: 1; }
.article-card .read-more { margin-top: auto; font-size: 0.88rem; font-weight: 600; }

.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-dim);
}

table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 12px 14px; border-bottom: 1px solid var(--border); font-size: 0.92rem; }
th { color: var(--text-dim); font-weight: 600; text-transform: uppercase; font-size: 0.75rem; letter-spacing: 0.05em; }

.badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
  background: var(--surface-2);
  border: 1px solid var(--border);
}
.badge.admin { background: rgba(138, 91, 255, 0.18); color: #c6b3ff; border-color: rgba(138, 91, 255, 0.4); }

.you-tag { color: var(--text-dim); font-size: 0.8rem; margin-left: 6px; }