/* =====================================================================
   MES Design System — 2026 Trend
   - Soft neumorphic + glassmorphism 하이브리드
   - Light/Dark 듀얼 테마, 미세 그라데이션, 라운드 12~20px
   - 시스템 폰트 + Pretendard 우선
   ===================================================================== */

:root {
  /* Brand */
  --brand-50:  #eef4ff;
  --brand-100: #d9e6ff;
  --brand-200: #b3ccff;
  --brand-300: #84a9ff;
  --brand-400: #5b85fa;
  --brand-500: #3b63f0;   /* primary */
  --brand-600: #2c4ad6;
  --brand-700: #2339ab;
  --brand-800: #1f3186;
  --brand-900: #1d2d6b;

  --accent: #00c2a8;       /* teal accent */
  --accent-2: #7c4dff;     /* violet accent */

  /* Semantic */
  --success: #16a34a;
  --success-bg: #dcfce7;
  --warning: #d97706;
  --warning-bg: #fef3c7;
  --danger: #dc2626;
  --danger-bg: #fee2e2;
  --info: #0284c7;
  --info-bg: #e0f2fe;
  --neutral: #64748b;
  --neutral-bg: #f1f5f9;

  /* Light theme surfaces */
  --bg: #f4f6fb;
  --bg-grad: radial-gradient(1200px 600px at 80% -10%, #e7edff 0%, transparent 60%),
             radial-gradient(900px 500px at -10% 110%, #e2fbf5 0%, transparent 55%),
             #f4f6fb;
  --surface: #ffffff;
  --surface-2: #f8fafc;
  --surface-glass: rgba(255, 255, 255, 0.72);
  --border: #e6e9f0;
  --border-strong: #d3d8e3;

  --text: #1a2233;
  --text-2: #515a6e;
  --text-3: #8a93a6;
  --text-inv: #ffffff;

  /* Elevation */
  --shadow-sm: 0 1px 2px rgba(20, 30, 60, 0.06);
  --shadow: 0 4px 14px rgba(20, 30, 60, 0.08);
  --shadow-lg: 0 12px 36px rgba(20, 30, 60, 0.14);
  --shadow-glow: 0 6px 24px rgba(59, 99, 240, 0.28);

  /* Geometry */
  --r-sm: 8px;
  --r: 12px;
  --r-lg: 16px;
  --r-xl: 22px;
  --r-full: 999px;

  /* Sidebar */
  --sidebar-w: 260px;
  --sidebar-w-collapsed: 72px;
  --topbar-h: 62px;

  --font: 'Pretendard', 'Pretendard Variable', -apple-system, BlinkMacSystemFont,
          'Segoe UI', Roboto, 'Malgun Gothic', '맑은 고딕', sans-serif;
  --transition: 180ms cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="dark"] {
  --bg: #0c111d;
  --bg-grad: radial-gradient(1200px 600px at 80% -10%, #16204a 0%, transparent 60%),
             radial-gradient(900px 500px at -10% 110%, #0c2a27 0%, transparent 55%),
             #0c111d;
  --surface: #151c2c;
  --surface-2: #1b2334;
  --surface-glass: rgba(21, 28, 44, 0.72);
  --border: #28324a;
  --border-strong: #38445f;

  --text: #e8ecf5;
  --text-2: #aab3c7;
  --text-3: #6b7591;
  --text-inv: #ffffff;

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.4);
  --shadow: 0 4px 14px rgba(0, 0, 0, 0.45);
  --shadow-lg: 0 12px 36px rgba(0, 0, 0, 0.6);

  --neutral-bg: #232c40;
  --success-bg: rgba(22, 163, 74, 0.16);
  --warning-bg: rgba(217, 119, 6, 0.16);
  --danger-bg: rgba(220, 38, 38, 0.16);
  --info-bg: rgba(2, 132, 199, 0.16);
}

/* Reset */
*, *::before, *::after { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: var(--font);
  background: var(--bg-grad);
  background-attachment: fixed;
  color: var(--text);
  font-size: 14px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }
input, select, textarea { font-family: inherit; font-size: 14px; }
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-thumb { background: var(--border-strong); border-radius: 999px; border: 2px solid transparent; background-clip: padding-box; }
::-webkit-scrollbar-thumb:hover { background: var(--text-3); background-clip: padding-box; }
::-webkit-scrollbar-track { background: transparent; }

/* Utility text */
.text-2 { color: var(--text-2); }
.text-3 { color: var(--text-3); }
.muted { color: var(--text-3); font-size: 13px; }
.mono { font-variant-numeric: tabular-nums; font-feature-settings: 'tnum'; }