*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #f5f5f5;
  --surface: #ffffff;
  --border: #e0e0e0;
  --text: #1a1a1a;
  --text-muted: #666;
  --primary: #2563eb;
  --primary-hover: #1d4ed8;
  --danger: #dc2626;
  --danger-hover: #b91c1c;
  --success-bg: #d1fae5;
  --success-text: #065f46;
  --error-bg: #fee2e2;
  --error-text: #991b1b;
  --score-high: #065f46;
  --score-high-bg: #d1fae5;
  --score-mid: #92400e;
  --score-mid-bg: #fef3c7;
  --score-low: #991b1b;
  --score-low-bg: #fee2e2;
}

body { font-family: system-ui, sans-serif; background: var(--bg); color: var(--text); line-height: 1.5; }

/* Nav */
nav {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 0 2rem;
  display: flex;
  align-items: center;
  gap: 2rem;
  height: 56px;
}
.nav-brand { font-weight: 700; font-size: 1.1rem; text-decoration: none; color: var(--text); }
.nav-links { display: flex; gap: 1.5rem; }
.nav-links a { text-decoration: none; color: var(--text-muted); font-size: 0.95rem; }
.nav-links a.active, .nav-links a:hover { color: var(--primary); }

/* Main */
main { max-width: 960px; margin: 2rem auto; padding: 0 1rem; }

/* Flash messages */
.flash { padding: 0.75rem 1rem; border-radius: 6px; margin-bottom: 1rem; font-size: 0.9rem; }
.flash-success { background: var(--success-bg); color: var(--success-text); }
.flash-error { background: var(--error-bg); color: var(--error-text); }

/* Page header */
.page-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 1.5rem; }
.page-header h1 { font-size: 1.5rem; }
.header-actions { display: flex; gap: 0.75rem; }

/* Buttons */
.btn {
  display: inline-block;
  padding: 0.45rem 1rem;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  font-size: 0.9rem;
  cursor: pointer;
  text-decoration: none;
  white-space: nowrap;
}
.btn:hover { background: var(--bg); }
.btn-primary { background: var(--primary); color: #fff; border-color: var(--primary); }
.btn-primary:hover { background: var(--primary-hover); border-color: var(--primary-hover); }
.btn-secondary { background: var(--surface); border-color: var(--border); }
.btn-danger { background: var(--danger); color: #fff; border-color: var(--danger); }
.btn-danger:hover { background: var(--danger-hover); }
.btn-sm { padding: 0.3rem 0.65rem; font-size: 0.8rem; }

/* Table */
.table { width: 100%; border-collapse: collapse; background: var(--surface); border-radius: 8px; overflow: hidden; box-shadow: 0 1px 3px rgba(0,0,0,0.06); }
.table th { background: var(--bg); padding: 0.75rem 1rem; text-align: left; font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.05em; color: var(--text-muted); border-bottom: 1px solid var(--border); }
.table td { padding: 0.75rem 1rem; border-bottom: 1px solid var(--border); font-size: 0.9rem; }
.table tr:last-child td { border-bottom: none; }
.actions { display: flex; gap: 0.5rem; }

/* Form */
.form-card { background: var(--surface); border-radius: 8px; padding: 2rem; box-shadow: 0 1px 3px rgba(0,0,0,0.06); max-width: 680px; }
.form-group { margin-bottom: 1.25rem; }
.form-group label { display: block; font-size: 0.875rem; font-weight: 500; margin-bottom: 0.4rem; }
.form-group input, .form-group textarea, .form-group select {
  width: 100%; padding: 0.5rem 0.75rem; border: 1px solid var(--border);
  border-radius: 6px; font-size: 0.9rem; font-family: inherit;
}
.form-group input:focus, .form-group textarea:focus { outline: none; border-color: var(--primary); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.form-actions { display: flex; gap: 0.75rem; margin-top: 1.5rem; }
.required { color: var(--danger); }

/* Filter form */
.filter-form select { padding: 0.4rem 0.75rem; border: 1px solid var(--border); border-radius: 6px; font-size: 0.9rem; }

/* Results */
.result-group { margin-bottom: 2.5rem; }
.result-group h2 { font-size: 1.1rem; margin-bottom: 1rem; color: var(--text-muted); font-weight: 600; }
.result-group h2 .count { font-weight: 400; font-size: 0.9rem; }
.result-card { background: var(--surface); border-radius: 8px; padding: 1rem 1.25rem; margin-bottom: 0.75rem; box-shadow: 0 1px 3px rgba(0,0,0,0.06); }
.result-header { display: flex; align-items: center; gap: 0.75rem; margin-bottom: 0.4rem; flex-wrap: wrap; }
.result-title { font-weight: 600; color: var(--primary); text-decoration: none; font-size: 0.95rem; }
.result-title:hover { text-decoration: underline; }
.result-meta { display: flex; gap: 1rem; font-size: 0.82rem; color: var(--text-muted); margin-bottom: 0.5rem; }
.result-reason { font-size: 0.875rem; color: var(--text-muted); font-style: italic; }

/* Badges */
.badge { display: inline-block; padding: 0.2rem 0.5rem; border-radius: 4px; font-size: 0.75rem; font-weight: 600; }
.badge-score.score-high { background: var(--score-high-bg); color: var(--score-high); }
.badge-score.score-mid  { background: var(--score-mid-bg);  color: var(--score-mid);  }
.badge-score.score-low  { background: var(--score-low-bg);  color: var(--score-low);  }
.badge-source { background: var(--bg); color: var(--text-muted); border: 1px solid var(--border); text-transform: capitalize; }

/* Misc */
.empty-state { color: var(--text-muted); font-size: 0.95rem; padding: 2rem 0; }
.price { font-weight: 600; }
.result-count { font-weight: 600; color: var(--primary); text-decoration: none; }
.result-count:hover { text-decoration: underline; }
.result-count.none { color: var(--text-muted); }