/* ========================================
   ROLAND TRADING - DESIGN SYSTEM
   Premium Trading Competition Platform
   ======================================== */

:root {
  /* ===== PRIMARY COLORS ===== */
  --primary: #6366F1;           /* Indigo - Main brand color */
  --primary-dark: #4F46E5;      /* Darker indigo for hover */
  --primary-light: #818CF8;     /* Lighter indigo for accents */
  --primary-subtle: #EEF2FF;    /* Very light indigo for backgrounds */
  
  /* ===== SECONDARY COLORS ===== */
  --secondary: #0F172A;         /* Dark navy - Text & backgrounds */
  --secondary-light: #1E293B;   /* Lighter navy for cards */
  --secondary-lighter: #334155; /* Even lighter for borders */
  
  /* ===== ACCENT COLORS ===== */
  --accent-gold: #F59E0B;       /* Gold for premium elements */
  --accent-gold-light: #FCD34D; /* Light gold */
  --accent-cyan: #06B6D4;       /* Cyan for highlights */
  
  /* ===== STATE COLORS ===== */
  --success: #10B981;           /* Green - Profit, success */
  --success-light: #D1FAE5;
  --warning: #F59E0B;           /* Amber - Warnings */
  --warning-light: #FEF3C7;
  --danger: #EF4444;            /* Red - Loss, errors */
  --danger-light: #FEE2E2;
  --info: #3B82F6;              /* Blue - Information */
  --info-light: #DBEAFE;
  
  /* ===== NEUTRAL COLORS ===== */
  --white: #FFFFFF;
  --gray-50: #F8FAFC;
  --gray-100: #F1F5F9;
  --gray-200: #E2E8F0;
  --gray-300: #CBD5E1;
  --gray-400: #94A3B8;
  --gray-500: #64748B;
  --gray-600: #475569;
  --gray-700: #334155;
  --gray-800: #1E293B;
  --gray-900: #0F172A;
  
  /* ===== GRADIENTS ===== */
  --gradient-primary: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  --gradient-dark: linear-gradient(135deg, var(--secondary) 0%, var(--secondary-light) 100%);
  --gradient-gold: linear-gradient(135deg, var(--accent-gold) 0%, #D97706 100%);
  --gradient-hero: linear-gradient(135deg, #0F172A 0%, #1E293B 50%, #0F172A 100%);
  
  /* ===== TYPOGRAPHY ===== */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-display: 'Plus Jakarta Sans', var(--font-primary);
  
  /* Font Sizes */
  --text-xs: 0.75rem;      /* 12px */
  --text-sm: 0.875rem;     /* 14px */
  --text-base: 1rem;       /* 16px */
  --text-lg: 1.125rem;     /* 18px */
  --text-xl: 1.25rem;      /* 20px */
  --text-2xl: 1.5rem;      /* 24px */
  --text-3xl: 1.875rem;    /* 30px */
  --text-4xl: 2.25rem;     /* 36px */
  --text-5xl: 3rem;        /* 48px */
  --text-6xl: 3.75rem;     /* 60px */
  
  /* Font Weights */
  --font-normal: 400;
  --font-medium: 500;
  --font-semibold: 600;
  --font-bold: 700;
  --font-extrabold: 800;
  
  /* Line Heights */
  --leading-tight: 1.25;
  --leading-normal: 1.5;
  --leading-relaxed: 1.625;
  
  /* ===== SPACING ===== */
  --space-1: 0.25rem;   /* 4px */
  --space-2: 0.5rem;    /* 8px */
  --space-3: 0.75rem;   /* 12px */
  --space-4: 1rem;      /* 16px */
  --space-5: 1.25rem;   /* 20px */
  --space-6: 1.5rem;    /* 24px */
  --space-8: 2rem;      /* 32px */
  --space-10: 2.5rem;   /* 40px */
  --space-12: 3rem;     /* 48px */
  --space-16: 4rem;     /* 64px */
  --space-20: 5rem;     /* 80px */
  --space-24: 6rem;     /* 96px */
  
  /* ===== BORDERS ===== */
  --radius-sm: 0.375rem;   /* 6px */
  --radius-md: 0.5rem;     /* 8px */
  --radius-lg: 0.75rem;    /* 12px */
  --radius-xl: 1rem;       /* 16px */
  --radius-2xl: 1.5rem;    /* 24px */
  --radius-full: 9999px;
  
  --border-width: 1px;
  --border-color: var(--gray-200);
  --border-color-dark: var(--secondary-lighter);
  
  /* ===== SHADOWS ===== */
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
  --shadow-2xl: 0 25px 50px -12px rgb(0 0 0 / 0.25);
  --shadow-glow: 0 0 40px rgba(99, 102, 241, 0.3);
  --shadow-glow-gold: 0 0 40px rgba(245, 158, 11, 0.3);
  
  /* ===== TRANSITIONS ===== */
  --transition-fast: 150ms ease;
  --transition-base: 200ms ease;
  --transition-slow: 300ms ease;
  
  /* ===== Z-INDEX ===== */
  --z-dropdown: 1000;
  --z-sticky: 1020;
  --z-fixed: 1030;
  --z-modal-backdrop: 1040;
  --z-modal: 1050;
  --z-popover: 1060;
  --z-tooltip: 1070;
}

/* ===== DARK MODE OVERRIDES ===== */
[data-theme="dark"] {
  --border-color: var(--border-color-dark);
}