:root {
  --bg: #f4f5f7;
  --card-bg: #ffffff;
  --text: #1a1d23;
  --text-muted: #6b7280;
  --border: #e5e7eb;
  --brand: #2563eb;
  --positive: #16a34a;
  --positive-bg: #e8f8ee;
  --negative: #dc2626;
  --negative-bg: #fdecec;
  --radius: 14px;
  --shadow: 0 1px 3px rgba(16, 24, 40, 0.08), 0 1px 2px rgba(16, 24, 40, 0.04);
  --shadow-hover: 0 8px 20px rgba(16, 24, 40, 0.12);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
}

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

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  background: #fff;
  border-bottom: 1px solid var(--border);
}
.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 14px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.brand {
  font-weight: 800;
  font-size: 20px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.brand-dot {
  width: 10px; height: 10px; border-radius: 50%;
  background: linear-gradient(135deg, var(--positive), var(--negative));
  display: inline-block;
}
.main-nav { display: flex; gap: 4px; }
.main-nav a {
  padding: 8px 14px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 14px;
  color: var(--text-muted);
}
.main-nav a.active, .main-nav a:hover { background: #eef2ff; color: var(--brand); }
.admin-badge {
  background: var(--positive-bg);
  color: var(--positive);
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: .04em;
  padding: 5px 10px;
  border-radius: 999px;
  margin-left: 4px;
}

.login-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  box-shadow: var(--shadow);
}
.login-sub { color: var(--text-muted); font-size: 13.5px; margin: -6px 0 20px; }
.login-error {
  background: var(--negative-bg);
  color: var(--negative);
  padding: 10px 14px;
  border-radius: 8px;
  font-size: 13.5px;
  font-weight: 600;
  margin-bottom: 16px;
}
.login-form { display: flex; flex-direction: column; gap: 6px; }
.login-form label { font-size: 12.5px; font-weight: 700; color: var(--text-muted); margin-top: 10px; }
.login-form input {
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 14px;
  font-family: inherit;
  outline: none;
}
.login-form input:focus { border-color: var(--brand); }
.login-submit { margin-top: 18px; width: 100%; padding: 11px; }

/* ---------- Filter bar ---------- */
.filter-bar {
  background: #fff;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 57px;
  z-index: 20;
}
.filter-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 14px 20px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}
.search-wrap {
  position: relative;
  flex: 1 1 260px;
}
.search-icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
}
#searchInput {
  width: 100%;
  padding: 10px 14px 10px 38px;
  border: 1px solid var(--border);
  border-radius: 10px;
  font-size: 14px;
  background: #f9fafb;
  outline: none;
  transition: border-color .15s;
}
#searchInput:focus { border-color: var(--brand); background: #fff; }

.pill-group { display: flex; gap: 8px; flex-shrink: 0; }
.pill {
  border: 1px solid var(--border);
  background: #fff;
  padding: 9px 16px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 13px;
  cursor: pointer;
  color: var(--text-muted);
  transition: all .15s;
}
.pill:hover { border-color: var(--brand); }
.pill.active { background: var(--text); color: #fff; border-color: var(--text); }
.pill-positive.active { background: var(--positive); border-color: var(--positive); }
.pill-negative.active { background: var(--negative); border-color: var(--negative); }

.subcat-select {
  padding: 9px 12px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: #fff;
  font-size: 13px;
  font-weight: 500;
  color: var(--text);
  flex-shrink: 0;
}

.btn-refresh {
  border: 1px solid var(--border);
  background: #fff;
  border-radius: 10px;
  padding: 9px;
  cursor: pointer;
  color: var(--text-muted);
  flex-shrink: 0;
  display: inline-flex;
}
.btn-refresh:hover { border-color: var(--brand); color: var(--brand); }
.btn-refresh.spinning svg { animation: spin 0.8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ---------- Feed ---------- */
.feed-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px;
}
.page-title { font-size: 22px; margin: 4px 0 16px; }
.results-meta {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 12px;
  min-height: 18px;
}
.news-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 18px;
}

.news-card {
  background: var(--card-bg);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  transition: box-shadow .2s, transform .2s;
  border: 1px solid var(--border);
}
.news-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-2px); }

.card-media {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  background: #e5e7eb;
  overflow: hidden;
}
.card-img { width: 100%; height: 100%; object-fit: cover; display: block; }
.card-media video, .card-media iframe {
  width: 100%; height: 100%; border: 0; display: block;
}

.badge {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .04em;
  padding: 4px 10px;
  border-radius: 999px;
}
.badge-category {
  position: absolute;
  top: 10px;
  left: 10px;
  color: #fff;
  backdrop-filter: blur(4px);
}
.badge-category.positive { background: rgba(22,163,74,.92); }
.badge-category.negative { background: rgba(220,38,38,.92); }

.badge-subcategory {
  margin-top: 10px;
  align-self: flex-start;
}
.badge-subcategory.positive { background: var(--positive-bg); color: var(--positive); }
.badge-subcategory.negative { background: var(--negative-bg); color: var(--negative); }

.card-body {
  padding: 14px 16px 16px;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.card-meta {
  font-size: 12px;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
  margin-bottom: 6px;
}
.card-source { font-weight: 700; color: var(--text); }
.card-dot { opacity: .5; }

.card-title {
  font-size: 16px;
  line-height: 1.35;
  margin: 0 0 6px;
  font-weight: 700;
}
.card-summary {
  font-size: 13.5px;
  color: var(--text-muted);
  line-height: 1.5;
  margin: 0;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-actions {
  margin-top: 14px;
  display: flex;
  align-items: center;
  gap: 8px;
  position: relative;
}
.btn {
  border: 1px solid var(--border);
  background: #fff;
  border-radius: 8px;
  padding: 8px 12px;
  font-size: 12.5px;
  font-weight: 600;
  cursor: pointer;
  color: var(--text);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.btn-source { flex: 1; justify-content: center; background: var(--text); color: #fff; border-color: var(--text); }
.btn-source:hover { opacity: .88; }
.btn-icon { padding: 8px; }
.btn-icon:hover { border-color: var(--brand); color: var(--brand); }
.btn-save.saved { background: #eef2ff; border-color: var(--brand); color: var(--brand); }

.share-menu {
  position: absolute;
  bottom: 44px;
  right: 0;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 10px;
  box-shadow: var(--shadow-hover);
  padding: 6px;
  display: flex;
  flex-direction: column;
  min-width: 150px;
  z-index: 10;
}
.share-menu[hidden] {
  display: none !important;
}
.share-link {
  padding: 8px 10px;
  font-size: 13px;
  border-radius: 6px;
  text-align: left;
  background: none;
  border: none;
  cursor: pointer;
  font-family: inherit;
  color: var(--text);
}
.share-link:hover { background: var(--bg); }

/* ---------- States ---------- */
.loading-indicator, .empty-state {
  text-align: center;
  padding: 40px 16px;
  color: var(--text-muted);
  font-size: 14px;
}
.load-more-btn {
  display: block;
  margin: 24px auto 8px;
  padding: 12px 28px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: #fff;
  font-weight: 700;
  font-size: 14px;
  cursor: pointer;
}
.load-more-btn:hover { border-color: var(--brand); color: var(--brand); }

.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: var(--text);
  color: #fff;
  padding: 10px 18px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  opacity: 0;
  pointer-events: none;
  transition: opacity .2s, transform .2s;
  z-index: 100;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

.site-footer {
  text-align: center;
  padding: 24px 20px 40px;
  font-size: 12px;
  color: var(--text-muted);
  max-width: 700px;
  margin: 0 auto;
}

/* ---------- Mobile ---------- */
@media (max-width: 640px) {
  .header-inner { padding: 12px 14px; }
  .filter-bar { top: 53px; }
  .filter-inner { padding: 10px 14px; }
  .pill-group { order: 3; width: 100%; }
  .subcat-select { order: 2; flex: 1; }
  .search-wrap { order: 1; flex-basis: 100%; }
  .feed-container { padding: 14px; }
  .news-grid { grid-template-columns: 1fr; gap: 14px; }
  .brand { font-size: 18px; }
}