/* ГАМА — общий design system.
   Подключается на всех страницах после Google Fonts (Inter + JetBrains Mono). */

:root {
  --bg: #fafafa;
  --surface: #ffffff;
  --surface-2: #f8fafc;
  --border: #e5e7eb;
  --border-soft: #f1f5f9;
  --text: #0f172a;
  --text-muted: #64748b;
  --text-subtle: #94a3b8;
  --primary: #4f46e5;
  --primary-hover: #4338ca;
  --primary-soft: #eef2ff;
  --success: #10b981;
  --success-soft: #ecfdf5;
  --warning: #f59e0b;
  --warning-soft: #fffbeb;
  --danger: #e11d48;
  --danger-soft: #ffe4e6;
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.04);
  --shadow-md: 0 4px 12px rgba(15, 23, 42, 0.06);
  --radius-sm: 6px;
  --radius: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --ease: cubic-bezier(0.4, 0, 0.2, 1);
}

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  letter-spacing: -0.005em;
  -webkit-font-smoothing: antialiased;
}
code, .mono, [class*="mono"] { font-family: 'JetBrains Mono', ui-monospace, monospace; }

/* === Кнопки === */
.btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 8px 14px; border-radius: var(--radius);
  border: 1px solid transparent;
  font: 500 13.5px 'Inter', system-ui, sans-serif;
  cursor: pointer; transition: all 150ms var(--ease);
  background: transparent; color: var(--text); text-decoration: none;
}
.btn.primary { background: var(--primary); color: white; box-shadow: 0 1px 2px rgba(79, 70, 229, 0.2); border: 0; }
.btn.primary:hover { background: var(--primary-hover); box-shadow: 0 4px 12px rgba(79, 70, 229, 0.25); transform: translateY(-1px); }
.btn.secondary { background: var(--surface); border-color: var(--border); box-shadow: var(--shadow-sm); }
.btn.secondary:hover { background: var(--surface-2); border-color: #cbd5e1; }
.btn.ghost { color: var(--text-muted); }
.btn.ghost:hover { background: var(--border-soft); color: var(--text); }
.btn.danger { background: var(--danger); color: white; border: 0; }
.btn.danger:hover { background: #be123c; }
.btn svg { width: 15px; height: 15px; flex-shrink: 0; }

/* === Карточки === */
.card {
  background: var(--surface); border: 1px solid var(--border-soft);
  border-radius: var(--radius-lg); padding: 20px;
  box-shadow: var(--shadow-sm);
  transition: all 200ms var(--ease);
}
.card:hover { border-color: var(--border); box-shadow: var(--shadow-md); }
.card .head { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; }
.card .head .icon-wrap {
  width: 36px; height: 36px; border-radius: var(--radius);
  display: inline-flex; align-items: center; justify-content: center;
}
.card .head .title { font-weight: 600; font-size: 14.5px; letter-spacing: -0.01em; }
.card .head .subtitle { font-size: 12px; color: var(--text-muted); margin-top: 2px; }
.card svg { flex-shrink: 0; }

/* === Бэйджи === */
.badge {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 3px 8px; border-radius: var(--radius-sm);
  font-size: 11.5px; font-weight: 600; letter-spacing: -0.01em;
  border: 1px solid transparent;
}
.badge.success { background: var(--success-soft); color: #047857; }
.badge.warn { background: var(--warning-soft); color: #b45309; }
.badge.danger { background: var(--danger-soft); color: #be123c; }
.badge.info { background: var(--primary-soft); color: var(--primary); }
.badge.neutral { background: var(--border-soft); color: var(--text-muted); }

/* === Табы === */
.tabs {
  display: flex; gap: 4px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 20px;
  overflow-x: auto;
}
.tabs .tab {
  padding: 10px 14px; border: 0; background: transparent;
  font: 500 13.5px 'Inter', system-ui, sans-serif;
  color: var(--text-muted);
  cursor: pointer; border-bottom: 2px solid transparent; margin-bottom: -1px;
  transition: all 150ms var(--ease); white-space: nowrap;
}
.tabs .tab:hover { color: var(--text); }
.tabs .tab.active {
  color: var(--primary);
  border-bottom-color: var(--primary);
  font-weight: 600;
}

/* === Note-callout === */
.note {
  background: var(--primary-soft); border-radius: var(--radius-lg);
  padding: 14px 16px; display: flex; gap: 12px;
  border: 1px solid rgba(79, 70, 229, 0.15); margin: 20px 0;
  color: #3730a3;
}
.note svg { flex-shrink: 0; color: var(--primary); }

/* === Метрики === */
.metric { display: flex; flex-direction: column; gap: 4px; }
.metric .num { font-size: 26px; font-weight: 700; letter-spacing: -0.03em; color: var(--text); }
.metric .label { font-size: 12px; color: var(--text-muted); font-weight: 500; }
.metric .delta { font-size: 11.5px; font-weight: 600; color: var(--success); display: inline-flex; align-items: center; gap: 3px; }

/* === Grid хелперы === */
.grid-2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 16px; }
.grid-3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 16px; }
.grid-4 { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; }