/**
 * AquaFlow Design System - Theme CSS
 * Generated by BMAD Design System Generator v1.0
 * Source: ux-design-specification.md
 * Generated: 2025-12-25T12:44:30+08:00
 * 
 * Usage: Import this file in your main CSS or component library
 * @import './theme.css';
 */

/* ============================================
   CSS Custom Properties (Design Tokens)
   ============================================ */

:root {
    /* -------------------- Colors -------------------- */

    /* Primary - Trust Blue */
    --color-primary-50: #EFF6FF;
    --color-primary-100: #DBEAFE;
    --color-primary-500: #2563EB;
    --color-primary-600: #2563EB;
    --color-primary-700: #1D4ED8;
    --color-primary-900: #1E3A8A;

    /* Secondary */
    --color-secondary-500: #3B82F6;
    --color-secondary-600: #2563EB;
    --color-secondary-700: #1D4ED8;

    /* Accent - CTA Orange */
    --color-accent-500: #F97316;
    --color-accent-600: #EA580C;
    --color-accent-700: #C2410C;

    /* Neutral - Slate */
    --color-neutral-50: #F8FAFC;
    --color-neutral-100: #F1F5F9;
    --color-neutral-200: #E2E8F0;
    --color-neutral-500: #64748B;
    --color-neutral-600: #475569;
    --color-neutral-700: #334155;
    --color-neutral-800: #1E293B;
    --color-neutral-900: #0F172A;

    /* Semantic Colors */
    --color-success-500: #22C55E;
    --color-success-600: #16A34A;
    --color-success-700: #15803D;

    --color-warning-500: #EAB308;
    --color-warning-600: #CA8A04;
    --color-warning-700: #A16207;

    --color-error-500: #EF4444;
    --color-error-600: #DC2626;
    --color-error-700: #B91C1C;

    /* -------------------- Typography -------------------- */

    --font-family-heading: 'Inter', system-ui, sans-serif;
    --font-family-body: 'Inter', system-ui, sans-serif;
    --font-family-mono: 'JetBrains Mono', 'Fira Code', monospace;

    --font-size-xs: 0.75rem;
    /* 12px */
    --font-size-sm: 0.875rem;
    /* 14px */
    --font-size-base: 1rem;
    /* 16px */
    --font-size-lg: 1.25rem;
    /* 20px */
    --font-size-xl: 1.5rem;
    /* 24px */
    --font-size-2xl: 2rem;
    /* 32px */
    --font-size-3xl: 2.5rem;
    /* 40px */
    --font-size-4xl: 3rem;
    /* 48px */

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

    --line-height-tight: 1.2;
    --line-height-snug: 1.3;
    --line-height-normal: 1.5;
    --line-height-relaxed: 1.6;

    /* -------------------- Spacing -------------------- */

    --space-0: 0;
    --space-1: 0.25rem;
    /* 4px */
    --space-2: 0.5rem;
    /* 8px */
    --space-3: 0.75rem;
    /* 12px */
    --space-4: 1rem;
    /* 16px */
    --space-6: 1.5rem;
    /* 24px */
    --space-8: 2rem;
    /* 32px */
    --space-10: 2.5rem;
    /* 40px */
    --space-12: 3rem;
    /* 48px */
    --space-16: 4rem;
    /* 64px */

    /* -------------------- Border Radius -------------------- */

    --radius-none: 0;
    --radius-sm: 0.25rem;
    /* 4px */
    --radius-md: 0.5rem;
    /* 8px */
    --radius-lg: 1rem;
    /* 16px */
    --radius-xl: 1.5rem;
    /* 24px */
    --radius-full: 9999px;

    /* -------------------- Shadows -------------------- */

    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);

    /* -------------------- Animation -------------------- */

    --duration-fast: 150ms;
    --duration-normal: 200ms;
    --duration-slow: 300ms;

    --easing-default: cubic-bezier(0.4, 0, 0.2, 1);
    --easing-in: cubic-bezier(0.4, 0, 1, 1);
    --easing-out: cubic-bezier(0, 0, 0.2, 1);
    --easing-in-out: cubic-bezier(0.4, 0, 0.2, 1);

    /* -------------------- Breakpoints (for reference) -------------------- */
    /* Use @media queries with these values */
    --breakpoint-sm: 320px;
    --breakpoint-md: 768px;
    --breakpoint-lg: 1024px;
    --breakpoint-xl: 1440px;
    --breakpoint-2xl: 1536px;

    /* -------------------- Layout -------------------- */

    --max-width: 1280px;
    --sidebar-width: 240px;
    --card-padding: var(--space-4);
    --column-gap: var(--space-4);
}

/* ============================================
   Semantic Aliases (for convenience)
   ============================================ */

:root {
    /* Background */
    --bg-primary: var(--color-neutral-50);
    --bg-secondary: var(--color-neutral-100);
    --bg-card: white;
    --bg-overlay: rgba(0, 0, 0, 0.5);

    /* Text */
    --text-primary: var(--color-neutral-800);
    --text-secondary: var(--color-neutral-600);
    --text-muted: var(--color-neutral-500);
    --text-inverse: white;

    /* Border */
    --border-color: var(--color-neutral-200);
    --border-hover: var(--color-neutral-500);

    /* Focus */
    --focus-ring-color: var(--color-primary-500);
    --focus-ring-width: 2px;
    --focus-ring-offset: 2px;
}

/* ============================================
   Dark Mode Support (optional)
   ============================================ */

@media (prefers-color-scheme: dark) {
    :root {
        --bg-primary: var(--color-neutral-900);
        --bg-secondary: var(--color-neutral-800);
        --bg-card: var(--color-neutral-800);

        --text-primary: var(--color-neutral-50);
        --text-secondary: var(--color-neutral-200);
        --text-muted: var(--color-neutral-500);

        --border-color: var(--color-neutral-700);
        --border-hover: var(--color-neutral-500);
    }
}

/* ============================================
   Reduced Motion Support
   ============================================ */

@media (prefers-reduced-motion: reduce) {
    :root {
        --duration-fast: 0ms;
        --duration-normal: 0ms;
        --duration-slow: 0ms;
    }
}