/* ============================================================
   NILPIS UNIFIED DESIGN TOKENS v2.0 — February 2026
   
   Single source of truth replacing 4 scattered CSS systems.
   Add as FIRST stylesheet in every PHP page:
   <link rel="stylesheet" href="css/nilpis-tokens.css">
   
   Dark mode: add class="dark" to <body> or <html>
   ============================================================ */

:root {
  /* Brand */
  --nl-primary: #059669;
  --nl-primary-light: #10b981;
  --nl-primary-dark: #047857;
  --nl-primary-pale: #f0fdf4;
  --nl-primary-ghost: rgba(5,150,105,0.08);
  --nl-gradient: linear-gradient(135deg, #059669, #10b981);
  --nl-gradient-hover: linear-gradient(135deg, #047857, #059669);

  /* Status */
  --nl-success: #10b981;  --nl-success-bg: #ecfdf5;
  --nl-warning: #f59e0b;  --nl-warning-bg: #fffbeb;
  --nl-danger: #ef4444;   --nl-danger-bg: #fef2f2;
  --nl-info: #3b82f6;     --nl-info-bg: #eff6ff;

  /* Gold / Tokens */
  --nl-gold: #fbbf24;
  --nl-gold-bg: rgba(251,191,36,0.1);
  --nl-gold-border: rgba(251,191,36,0.25);

  /* Surfaces */
  --nl-bg: #f8fafc;
  --nl-bg-secondary: #f1f5f9;
  --nl-card: #ffffff;
  --nl-card-hover: #f8fafc;
  --nl-overlay: rgba(0,0,0,0.5);

  /* Text */
  --nl-text: #1e293b;
  --nl-text-secondary: #64748b;
  --nl-text-muted: #9ca3af;
  --nl-text-inverse: #ffffff;

  /* Borders */
  --nl-border: #e2e8f0;
  --nl-border-light: #f1f5f9;
  --nl-border-focus: #059669;

  /* Inputs */
  --nl-input-bg: #f8fafc;
  --nl-input-border: #e2e8f0;
  --nl-input-focus-bg: #ffffff;
  --nl-input-focus-border: #059669;

  /* Shadows */
  --nl-shadow-xs: 0 1px 2px rgba(0,0,0,0.04);
  --nl-shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
  --nl-shadow-md: 0 4px 16px rgba(0,0,0,0.08);
  --nl-shadow-lg: 0 8px 32px rgba(0,0,0,0.12);
  --nl-shadow-xl: 0 24px 80px rgba(0,0,0,0.15);
  --nl-shadow-green: 0 4px 12px rgba(5,150,105,0.25);
  --nl-shadow-green-lg: 0 8px 24px rgba(5,150,105,0.3);
  --nl-shadow-header: 0 4px 24px rgba(5,150,105,0.25);

  /* Spacing (4px grid) */
  --nl-space-1: 4px;  --nl-space-2: 8px;  --nl-space-3: 12px;
  --nl-space-4: 16px; --nl-space-5: 20px; --nl-space-6: 24px;
  --nl-space-8: 32px; --nl-space-10: 40px; --nl-space-12: 48px;

  /* Radius */
  --nl-radius-sm: 8px;
  --nl-radius-md: 12px;
  --nl-radius-lg: 16px;
  --nl-radius-xl: 20px;
  --nl-radius-2xl: 24px;
  --nl-radius-pill: 9999px;

  /* Typography */
  --nl-font: 'SF Pro Display', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --nl-font-mono: 'SF Mono', 'Fira Code', Consolas, monospace;
  --nl-text-xs: 10px; --nl-text-sm: 12px; --nl-text-base: 14px;
  --nl-text-md: 16px; --nl-text-lg: 18px; --nl-text-xl: 20px;
  --nl-text-2xl: 24px; --nl-text-3xl: 28px;

  /* Transitions */
  --nl-ease-fast: 0.15s ease;
  --nl-ease: 0.2s ease;
  --nl-ease-smooth: 0.3s cubic-bezier(0.4,0,0.2,1);
  --nl-ease-bounce: 0.3s cubic-bezier(0.68,-0.55,0.265,1.55);
  --nl-ease-modal: 0.3s cubic-bezier(0.34,1.56,0.64,1);

  /* Layout */
  --nl-header-h: 64px;
  --nl-sidebar-w: 260px;
  --nl-admin-sidebar-w: 280px;
  --nl-tab-bar-h: 68px;
  --nl-mobile-max: 480px;
  --nl-desktop-max: 1280px;
  --nl-pad-mobile: 20px;
  --nl-pad-desktop: 32px;

  /* Z-Index */
  --nl-z-dropdown: 10;
  --nl-z-sticky: 50;
  --nl-z-header: 100;
  --nl-z-drawer: 150;
  --nl-z-modal: 200;
  --nl-z-toast: 300;

  /* Header Glass */
  --nl-glass-btn: rgba(255,255,255,0.12);
  --nl-glass-btn-border: rgba(255,255,255,0.15);

  /* Badge */
  --nl-badge-bg: linear-gradient(135deg, #ef4444, #dc2626);
  --nl-badge-border: 2px solid rgba(5,150,105,0.95);

  /* Toggle */
  --nl-toggle-w: 48px; --nl-toggle-h: 26px; --nl-toggle-knob: 20px;
  --nl-toggle-off: #d1d5db;

  /* Roles */
  --nl-role-admin: #8b5cf6;    --nl-role-admin-bg: rgba(139,92,246,0.1);
  --nl-role-shop: #059669;     --nl-role-shop-bg: rgba(5,150,105,0.1);
  --nl-role-customer: #3b82f6; --nl-role-customer-bg: rgba(59,130,246,0.1);
}

/* ─── DARK MODE ──────────────────────────────────────────── */
.dark, [data-theme="dark"] {
  --nl-bg: #0f172a;
  --nl-bg-secondary: #1e293b;
  --nl-card: #1e293b;
  --nl-card-hover: #263548;
  --nl-text: #e2e8f0;
  --nl-text-secondary: #94a3b8;
  --nl-text-muted: #64748b;
  --nl-border: #334155;
  --nl-border-light: #1e293b;
  --nl-input-bg: #0f172a;
  --nl-input-border: #334155;
  --nl-input-focus-bg: #1e293b;
  --nl-primary-pale: rgba(16,185,129,0.15);
  --nl-primary-ghost: rgba(16,185,129,0.08);
  --nl-success-bg: rgba(16,185,129,0.15);
  --nl-warning-bg: rgba(245,158,11,0.15);
  --nl-danger-bg: rgba(239,68,68,0.15);
  --nl-info-bg: rgba(59,130,246,0.15);
  --nl-gold-bg: rgba(251,191,36,0.12);
  --nl-gold-border: rgba(251,191,36,0.2);
  --nl-shadow-sm: 0 2px 8px rgba(0,0,0,0.2);
  --nl-shadow-md: 0 4px 16px rgba(0,0,0,0.3);
  --nl-shadow-lg: 0 8px 32px rgba(0,0,0,0.4);
  --nl-toggle-off: #334155;
  --nl-badge-border: 2px solid rgba(15,23,42,0.85);
}

/* ─── BASE RESET ─────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; -webkit-font-smoothing: antialiased; }
body {
  font-family: var(--nl-font);
  color: var(--nl-text);
  background: var(--nl-bg);
  line-height: 1.5;
  transition: background var(--nl-ease-smooth), color var(--nl-ease-smooth);
}

/* ─── SCROLLBAR ──────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-thumb { background: rgba(100,100,100,0.3); border-radius: 3px; }
::-webkit-scrollbar-track { background: transparent; }

/* ─── ANIMATIONS ─────────────────────────────────────────── */
@keyframes nl-fadeIn { from{opacity:0} to{opacity:1} }
@keyframes nl-fadeInUp { from{opacity:0;transform:translateY(16px)} to{opacity:1;transform:translateY(0)} }
@keyframes nl-fadeInDown { from{opacity:0;transform:translateY(-12px)} to{opacity:1;transform:translateY(0)} }
@keyframes nl-slideInLeft { from{transform:translateX(-100%)} to{transform:translateX(0)} }
@keyframes nl-slideInRight { from{transform:translateX(100%)} to{transform:translateX(0)} }
@keyframes nl-slideInUp { from{transform:translateY(100%)} to{transform:translateY(0)} }
@keyframes nl-modalSlideIn { from{opacity:0;transform:scale(0.9) translateY(-20px)} to{opacity:1;transform:scale(1) translateY(0)} }
@keyframes nl-pulse { 0%,100%{transform:scale(1)} 50%{transform:scale(1.15)} }
@keyframes nl-shimmer { 0%{background-position:-200% 0} 100%{background-position:200% 0} }
@keyframes nl-spin { from{transform:rotate(0)} to{transform:rotate(360deg)} }
@keyframes nl-toastProgress { from{width:100%} to{width:0} }
