:root {
  --bg: #0b0f14;
  --surface: #121821;
  --surface-hover: #182131;
  --border: #233042;
  --text: #e8edf3;
  --text-dim: #8fa0b5;
  --accent: #34d399;
  --accent-dim: #1f7a5c;
  --danger: #f87171;
  --radius: 14px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: 880px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Header */
.site-header {
  border-bottom: 1px solid var(--border);
  padding: 28px 0 22px;
  background: linear-gradient(180deg, rgba(52,211,153,0.07), transparent);
}

.logo {
  margin: 0;
  font-size: 1.6rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.logo span { color: var(--accent); }

.tagline {
  margin: 6px 0 0;
  color: var(--text-dim);
  font-size: 0.92rem;
}

/* Controls */
.controls {
  padding: 22px 0 6px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.search-input {
  width: 100%;
  padding: 12px 16px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-size: 0.95rem;
  outline: none;
  transition: border-color 0.15s;
}

.search-input:focus { border-color: var(--accent); }
.search-input::placeholder { color: var(--text-dim); }

.source-filters {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 4px;
  -webkit-overflow-scrolling: touch;
}

.filter-chip {
  flex: none;
  padding: 7px 14px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--text-dim);
  font-size: 0.85rem;
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.15s;
}

.filter-chip:hover { border-color: var(--accent-dim); color: var(--text); }

.filter-chip.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #06241a;
  font-weight: 600;
}

/* Status / loading / empty */
.status-message {
  margin: 16px 0;
  padding: 12px 16px;
  background: rgba(248,113,113,0.1);
  border: 1px solid rgba(248,113,113,0.3);
  color: var(--danger);
  border-radius: var(--radius);
  font-size: 0.9rem;
}

.loading-state, .empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 60px 20px;
  color: var(--text-dim);
  text-align: center;
}

.spinner {
  width: 28px;
  height: 28px;
  border: 3px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin-bottom: 12px;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* Jobs grid */
.jobs-grid {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 18px 0 50px;
}

.job-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 20px;
  transition: border-color 0.15s, background 0.15s;
}

.job-card:hover {
  border-color: var(--accent-dim);
  background: var(--surface-hover);
}

.job-card-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 8px;
}

.job-title {
  font-size: 1.02rem;
  font-weight: 600;
  line-height: 1.4;
  margin: 0;
}

.job-source-badge {
  flex: none;
  font-size: 0.72rem;
  padding: 3px 9px;
  border-radius: 999px;
  background: rgba(52,211,153,0.12);
  color: var(--accent);
  font-weight: 600;
  white-space: nowrap;
}

.job-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin: 10px 0 0;
  font-size: 0.82rem;
  color: var(--text-dim);
}

.job-meta span strong { color: var(--text); font-weight: 500; }

.job-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
}

.job-link {
  font-size: 0.82rem;
  padding: 7px 13px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--accent);
  text-decoration: none;
  transition: border-color 0.15s;
}

.job-link:hover { border-color: var(--accent); }

/* Footer */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 20px 0 40px;
  color: var(--text-dim);
  font-size: 0.8rem;
  text-align: center;
}

@media (min-width: 640px) {
  .controls { flex-direction: row; align-items: center; }
  .search-input { max-width: 280px; }
}