:root {
  --bg:        #0f0f1a;
  --surface:   #1a1a2e;
  --border:    #2a2a3e;
  --text:      #c8c8d0;
  --muted:     #6b6b80;
  --green:     #4ade80;
  --red:       #f87171;
  --gold:      #fbbf24;
  --blue:      #60a5fa;
  --radius:    6px;
}

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

body {
  background: var(--bg);
  color: var(--text);
  font-family: system-ui, sans-serif;
  font-size: 14px;
  min-height: 100vh;
}

/* Header */
header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 24px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
}

header h1 { font-size: 1.1rem; color: var(--gold); letter-spacing: 0.5px; }

.header-left { display: flex; align-items: center; gap: 24px; }

nav { display: flex; gap: 4px; }
.nav-link {
  color: var(--muted);
  text-decoration: none;
  font-size: 13px;
  padding: 5px 12px;
  border-radius: var(--radius);
  transition: color 0.15s, background 0.15s;
}
.nav-link:hover { color: var(--text); background: var(--border); }
.nav-link.active { color: var(--blue); background: rgba(96,165,250,0.1); }

.header-right { display: flex; align-items: center; gap: 12px; }

input[type="text"] {
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 6px 12px;
  border-radius: var(--radius);
  width: 220px;
  outline: none;
}
input[type="text"]:focus { border-color: var(--blue); }

.refresh-badge { color: var(--muted); font-size: 12px; }

/* Main layout */
main { max-width: 1200px; margin: 0 auto; padding: 20px 24px; }

/* Search results */
.search-results {
  position: absolute;
  top: 56px;
  right: 24px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  width: 280px;
  z-index: 200;
  box-shadow: 0 4px 20px rgba(0,0,0,0.5);
}

.search-result-item {
  display: flex;
  justify-content: space-between;
  padding: 8px 12px;
  cursor: pointer;
  border-bottom: 1px solid var(--border);
}
.search-result-item:last-child { border-bottom: none; }
.search-result-item:hover { background: var(--border); }
.alch-value { color: var(--muted); font-size: 12px; }

/* Item panel */
.item-panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  margin-bottom: 24px;
  position: relative;
}

.item-panel-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 12px;
}
.item-panel-header h2 { font-size: 1rem; color: var(--gold); }
.item-meta { display: flex; gap: 16px; color: var(--muted); font-size: 12px; }
.item-meta strong { color: var(--text); }
.close-btn {
  margin-left: auto;
  background: none;
  border: none;
  color: var(--muted);
  cursor: pointer;
  font-size: 16px;
  padding: 4px 8px;
}
.close-btn:hover { color: var(--text); }

#chart-container { width: 100%; height: 300px; }

.chart-controls { display: flex; gap: 8px; margin-top: 10px; }
.chart-controls button, .kind-filters button, .sort-filters button {
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--muted);
  padding: 4px 12px;
  border-radius: var(--radius);
  cursor: pointer;
  font-size: 12px;
}
.chart-controls button.active, .kind-filters button.active, .sort-filters button.active {
  border-color: var(--blue);
  color: var(--blue);
}
.chart-controls button:hover, .kind-filters button:hover, .sort-filters button:hover { color: var(--text); }

.chart-note { color: var(--muted); font-size: 12px; margin-top: 8px; }

/* Opportunities section */
.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
  flex-wrap: wrap;
  gap: 8px;
}
.section-header h2 { font-size: 1rem; }
.section-controls { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.kind-filters { display: flex; gap: 6px; }
.sort-filters { display: flex; gap: 6px; border-left: 1px solid var(--border); padding-left: 12px; }
.profit-filter { display: flex; align-items: center; gap: 8px; border-left: 1px solid var(--border); padding-left: 12px; font-size: 12px; color: var(--muted); }
.profit-filter strong { color: var(--text); }
.profit-filter input[type="range"] { width: 100px; accent-color: var(--blue); }

.loading { color: var(--muted); padding: 20px 0; }
.empty { color: var(--muted); padding: 20px 0; }

/* Opportunity cards */
.opp-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 12px;
}

.opp-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px;
  cursor: pointer;
  transition: border-color 0.15s, transform 0.1s;
}
.opp-card:hover { border-color: var(--blue); transform: translateY(-1px); }

.opp-card.flip       { border-left: 3px solid var(--green); }
.opp-card.alch_floor { border-left: 3px solid var(--gold); }
.opp-card.crash      { border-left: 3px solid var(--red); }

.opp-card-top { display: flex; align-items: center; gap: 10px; margin-bottom: 8px; }
.item-icon { width: 32px; height: 32px; object-fit: contain; image-rendering: pixelated; flex-shrink: 0; }
.opp-card-title { min-width: 0; }
.opp-kind { font-size: 10px; font-weight: 700; letter-spacing: 1px; color: var(--muted); margin-bottom: 2px; }
.opp-name { font-size: 14px; font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; text-transform: capitalize; }
.opp-profit { font-size: 20px; font-weight: 700; color: var(--green); margin-bottom: 8px; }
.opp-detail { display: flex; gap: 6px; align-items: center; font-size: 12px; color: var(--muted); margin-bottom: 6px; }
.opp-detail strong { color: var(--text); }
.opp-notes { font-size: 11px; color: var(--muted); margin-bottom: 6px; }
.opp-time { font-size: 11px; color: var(--muted); text-align: right; }