:root {
  --bg: #0f172a;
  --bg2: #1e293b;
  --bg3: #334155;
  --text: #f1f5f9;
  --mute: #94a3b8;
  --accent: #3b82f6;
  --accent-hover: #2563eb;
  --green: #22c55e;
  --yellow: #f59e0b;
  --red: #ef4444;
  --border: #1f2937;
}

* { box-sizing: border-box; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  margin: 0;
  padding: 0;
}

header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 28px;
  background: var(--bg2);
  border-bottom: 1px solid var(--border);
}

header h1 {
  margin: 0;
  font-size: 18px;
  font-weight: 600;
}

header .meta {
  display: flex;
  gap: 16px;
  color: var(--mute);
  font-size: 13px;
}

nav.tabs {
  display: flex;
  background: var(--bg2);
  border-bottom: 1px solid var(--border);
  padding: 0 16px;
}

nav.tabs .tab {
  background: none;
  border: none;
  color: var(--mute);
  padding: 12px 20px;
  font-size: 14px;
  cursor: pointer;
  border-bottom: 2px solid transparent;
}

nav.tabs .tab:hover { color: var(--text); }
nav.tabs .tab.active {
  color: var(--text);
  border-bottom-color: var(--accent);
}

main {
  padding: 24px 28px;
  max-width: 1400px;
  margin: 0 auto;
}

.tab-panel { display: none; }
.tab-panel.active { display: block; }

.kpi-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  margin-bottom: 32px;
}

.kpi {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px 20px;
}

.kpi label {
  font-size: 12px;
  color: var(--mute);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.kpi .value {
  font-size: 28px;
  font-weight: 600;
  margin: 6px 0 2px;
}

.kpi .sub {
  font-size: 13px;
  color: var(--mute);
}

h2 {
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--mute);
  margin: 32px 0 12px;
  font-weight: 600;
}

table {
  width: 100%;
  border-collapse: collapse;
  background: var(--bg2);
  border-radius: 8px;
  overflow: hidden;
  font-size: 14px;
}

table th, table td {
  padding: 10px 14px;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

table th {
  background: var(--bg3);
  font-weight: 500;
  color: var(--mute);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

table td.num, table th.num { text-align: right; font-variant-numeric: tabular-nums; }

table tbody tr:hover { background: rgba(59, 130, 246, 0.05); }

.actions {
  margin-bottom: 16px;
}

button#add-tool-btn,
button#tool-save {
  background: var(--accent);
  color: white;
  border: none;
  padding: 8px 16px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 14px;
}

button#add-tool-btn:hover, button#tool-save:hover { background: var(--accent-hover); }

button#tool-cancel {
  background: var(--bg3);
  color: var(--text);
  border: none;
  padding: 8px 16px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 14px;
}

#tool-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
  gap: 16px;
}

.tool-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 20px;
}

.tool-card h3 {
  margin: 0 0 4px;
  font-size: 16px;
}

.tool-card .category-badge {
  display: inline-block;
  font-size: 11px;
  background: var(--bg3);
  color: var(--mute);
  padding: 2px 8px;
  border-radius: 4px;
  margin-bottom: 12px;
}

.tool-card .cost-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin: 12px 0;
}

.tool-card .cost-grid div label {
  display: block;
  font-size: 11px;
  color: var(--mute);
  text-transform: uppercase;
}

.tool-card .cost-grid div .v {
  font-size: 18px;
  font-weight: 500;
  font-variant-numeric: tabular-nums;
}

.tool-card .vk-price {
  margin-top: 16px;
  padding: 16px;
  background: var(--bg);
  border-radius: 6px;
  border: 1px solid var(--accent);
}

.tool-card .vk-price label {
  font-size: 11px;
  color: var(--mute);
  text-transform: uppercase;
}

.tool-card .vk-price .v {
  font-size: 28px;
  font-weight: 700;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
}

.tool-card .controls {
  margin-top: 12px;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px;
  align-items: center;
}

.tool-card .controls label {
  font-size: 12px;
  color: var(--mute);
}

.tool-card .controls input[type=range] {
  width: 100%;
}

.tool-card .controls input[type=number] {
  width: 80px;
}

.tool-card button.edit {
  background: var(--bg3);
  color: var(--text);
  border: none;
  padding: 6px 12px;
  border-radius: 4px;
  cursor: pointer;
  font-size: 12px;
}

.budget-bar {
  height: 8px;
  background: var(--bg);
  border-radius: 4px;
  overflow: hidden;
  margin-top: 8px;
}

.budget-bar .fill {
  height: 100%;
  background: var(--green);
  transition: width 0.3s;
}
.budget-bar .fill.warn { background: var(--yellow); }
.budget-bar .fill.alert { background: var(--red); }

.hint {
  color: var(--mute);
  font-size: 13px;
  margin-bottom: 16px;
}

dialog {
  background: var(--bg2);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 24px;
  max-width: 480px;
  width: 90%;
}

dialog::backdrop { background: rgba(0,0,0,0.5); }

dialog form { display: flex; flex-direction: column; gap: 12px; }
dialog form h3 { margin: 0 0 8px; }
dialog form label { display: flex; flex-direction: column; font-size: 12px; color: var(--mute); }
dialog form input, dialog form select {
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 8px;
  font-size: 14px;
  margin-top: 4px;
}
dialog form .dialog-buttons { display: flex; justify-content: flex-end; gap: 8px; margin-top: 8px; }

input, select { font: inherit; }

select option {
  background: var(--bg);
  color: var(--text);
}