/**
 * FlowX4 Design Tokens
 * ====================
 * CSS Variables - Dark theme by default
 */

/* ============================================
   DARK THEME (DEFAULT)
   ============================================ */
:root {
    /* COLORS - BACKGROUNDS */
    --color-bg-primary: #0a0a0b;
    --color-bg-secondary: #111113;
    --color-bg-tertiary: #18181b;
    --color-bg-elevated: #1f1f23;

    /* COLORS - SURFACES */
    --color-surface-primary: #16161a;
    --color-surface-hover: #1c1c21;
    --color-surface-active: #222228;
    --color-surface-input: #0f0f11;

    /* COLORS - BORDERS */
    --color-border-subtle: rgba(255, 255, 255, 0.06);
    --color-border-default: rgba(255, 255, 255, 0.10);
    --color-border-strong: rgba(255, 255, 255, 0.15);
    --color-border-focus: var(--color-accent-primary);

    /* COLORS - TEXT */
    --color-text-primary: #f4f4f5;
    --color-text-secondary: #a1a1aa;
    --color-text-tertiary: #71717a;
    --color-text-muted: #52525b;
    --color-text-inverse: #0a0a0b;

    /* COLORS - BRAND / ACCENT */
    --color-accent-primary: #8b5cf6;
    --color-accent-primary-hover: #a78bfa;
    --color-accent-primary-muted: rgba(139, 92, 246, 0.15);

    /* COLORS - TRADING */
    --color-bullish: #22c55e;
    --color-bullish-hover: #16a34a;
    --color-bullish-muted: rgba(34, 197, 94, 0.15);

    --color-bearish: #ef4444;
    --color-bearish-hover: #dc2626;
    --color-bearish-muted: rgba(239, 68, 68, 0.15);

    --color-neutral: #71717a;
    --color-neutral-muted: rgba(113, 113, 122, 0.15);

    /* COLORS - STATUS */
    --color-success: #22c55e;
    --color-success-muted: rgba(34, 197, 94, 0.15);
    --color-warning: #f59e0b;
    --color-warning-muted: rgba(245, 158, 11, 0.15);
    --color-error: #ef4444;
    --color-error-muted: rgba(239, 68, 68, 0.15);
    --color-info: #3b82f6;
    --color-info-muted: rgba(59, 130, 246, 0.15);

    /* TYPOGRAPHY */
    --font-family-base: 'Satoshi', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-family-mono: 'JetBrains Mono', 'Fira Code', 'SF Mono', monospace;

    --font-size-xs: 11px;
    --font-size-sm: 13px;
    --font-size-base: 14px;
    --font-size-lg: 16px;
    --font-size-xl: 18px;
    --font-size-2xl: 24px;

    --font-weight-regular: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;

    --line-height-tight: 1.2;
    --line-height-normal: 1.5;
    --line-height-relaxed: 1.75;

    /* SPACING */
    --space-1: 4px;
    --space-2: 8px;
    --space-3: 12px;
    --space-4: 16px;
    --space-5: 20px;
    --space-6: 24px;
    --space-8: 32px;
    --space-10: 40px;
    --space-12: 48px;

    /* LAYOUT */
    --header-height: 56px;
    --footer-height: 40px;
    --sidebar-width: 240px;
    --content-max-width: 1400px;

    /* BORDER RADIUS */
    --radius-sm: 4px;
    --radius-md: 6px;
    --radius-lg: 8px;
    --radius-xl: 12px;
    --radius-2xl: 16px;
    --radius-full: 9999px;

    /* SHADOWS */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.5);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.5);
    --shadow-glow-success: 0 0 12px rgba(34, 197, 94, 0.4);
    --shadow-glow-error: 0 0 12px rgba(239, 68, 68, 0.4);
    --shadow-focus: 0 0 0 3px rgba(139, 92, 246, 0.25);

    /* TRANSITIONS */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.2s ease;
    --transition-slow: 0.3s ease;

    /* Z-INDEX */
    --z-base: 0;
    --z-dropdown: 100;
    --z-sticky: 200;
    --z-overlay: 300;
    --z-modal: 400;
    --z-toast: 500;
}

/* ============================================
   LIGHT THEME OVERRIDE
   ============================================ */
.light {
    --color-bg-primary: #ffffff;
    --color-bg-secondary: #f8f9fa;
    --color-bg-tertiary: #f1f3f5;
    --color-bg-elevated: #ffffff;

    --color-surface-primary: #ffffff;
    --color-surface-hover: #f8f9fa;
    --color-surface-active: #f1f3f5;
    --color-surface-input: #ffffff;

    --color-border-subtle: rgba(0, 0, 0, 0.06);
    --color-border-default: rgba(0, 0, 0, 0.10);
    --color-border-strong: rgba(0, 0, 0, 0.15);

    --color-text-primary: #0a0a0b;
    --color-text-secondary: #52525b;
    --color-text-tertiary: #71717a;
    --color-text-muted: #a1a1aa;
    --color-text-inverse: #f4f4f5;

    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.15);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.15);
    --shadow-focus: 0 0 0 3px rgba(139, 92, 246, 0.15);
}