/* ── EpsonFlow MVP — Design Tokens ─────────────────────────── */

/* ── CSS Variables ─────────────────────────────────────────── */
:root {
  /* Backgrounds */
  --bg-page: #F5F6F8;
  --bg-white: #FFFFFF;
  --bg-sidebar: #FFFFFF;
  --bg-header: #FFFFFF;
  --bg-hover: #F0F1F3;
  --bg-active: #EEF2FF;
  --bg-input: #FFFFFF;
  --bg-muted: #F9FAFB;

  /* Accent — Epson Blue */
  --accent: #2563EB;
  --accent-light: #EEF2FF;
  --accent-hover: #1D4ED8;
  --accent-text: #1E40AF;

  /* Semantic */
  --green: #16A34A;
  --green-bg: #F0FDF4;
  --green-border: #BBF7D0;
  --amber: #D97706;
  --amber-bg: #FFFBEB;
  --amber-border: #FDE68A;
  --red: #DC2626;
  --red-bg: #FEF2F2;
  --red-border: #FECACA;
  --purple: #7C3AED;
  --purple-bg: #F5F3FF;
  --purple-border: #DDD6FE;
  --blue: #2563EB;
  --blue-bg: #EFF6FF;
  --blue-border: #BFDBFE;

  /* Text */
  --text-primary: #111827;
  --text-secondary: #6B7280;
  --text-muted: #9CA3AF;
  --text-on-accent: #FFFFFF;

  /* Borders */
  --border: #E5E7EB;
  --border-light: #F3F4F6;
  --border-focus: #2563EB;

  /* Radius */
  --radius-sm: 6px;
  --radius: 10px;
  --radius-lg: 14px;
  --radius-xl: 20px;

  /* Shadows */
  --shadow-xs: 0 1px 2px rgba(0,0,0,0.04);
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
  --shadow-md: 0 4px 6px rgba(0,0,0,0.05), 0 2px 4px rgba(0,0,0,0.04);
  --shadow-lg: 0 10px 25px rgba(0,0,0,0.06), 0 4px 10px rgba(0,0,0,0.04);

  /* Spacing */
  --sidebar-width: 240px;
  --header-height: 56px;

  /* Transitions */
  --transition: 150ms ease;
  --transition-slow: 250ms ease;

  /* Font */
  --font: 'Inter', system-ui, -apple-system, sans-serif;
}

/* ── Dark Mode Overrides ───────────────────────────────────── */
[data-theme="dark"] {
  --bg-page: #0a0a0a;
  --bg-white: #141414;
  --bg-sidebar: #141414;
  --bg-header: #141414;
  --bg-hover: #1e1e1e;
  --bg-active: #1a1a2e;
  --bg-input: #1a1a1a;
  --bg-muted: #111111;

  --accent: #3b82f6;
  --accent-light: rgba(59,130,246,0.12);
  --accent-hover: #60a5fa;
  --accent-text: #93c5fd;

  --text-primary: #f4f4f5;
  --text-secondary: #a1a1aa;
  --text-muted: #71717a;
  --text-on-accent: #ffffff;

  --border: #2a2a2a;
  --border-light: #1e1e1e;
  --border-focus: #3b82f6;

  --green-bg: rgba(34,197,94,0.12);
  --green-border: rgba(34,197,94,0.25);
  --amber-bg: rgba(245,158,11,0.12);
  --amber-border: rgba(245,158,11,0.25);
  --red-bg: rgba(239,68,68,0.12);
  --red-border: rgba(239,68,68,0.25);
  --blue-bg: rgba(59,130,246,0.12);
  --blue-border: rgba(59,130,246,0.25);
  --purple-bg: rgba(168,85,247,0.12);
  --purple-border: rgba(168,85,247,0.25);

  --shadow-xs: 0 1px 2px rgba(0,0,0,0.3);
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.4);
  --shadow-md: 0 4px 6px rgba(0,0,0,0.4);
  --shadow-lg: 0 10px 25px rgba(0,0,0,0.5);
}

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

a { color: var(--accent); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--accent-hover); }

img { max-width: 100%; display: block; }

/* ── Base Typography ───────────────────────────────────────── */
html { font-size: 15px; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }

[x-cloak] { display: none !important; }

body {
  font-family: var(--font);
  background: var(--bg-page);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
}