/* ============================================
   POWERTECH DESIGN SYSTEM
   Shared CSS Variables & Base Styles
   ============================================ */

:root {
    /* Primary Colors */
    --pt-primary: #6366f1;
    --pt-primary-dark: #4f46e5;
    --pt-primary-light: #818cf8;
    --pt-primary-bg: rgba(99,102,241,0.08);

    /* Accent Colors */
    --pt-accent: #f59e0b;
    --pt-accent-dark: #d97706;
    --pt-accent-light: #fbbf24;

    /* Semantic Colors */
    --pt-success: #10b981;
    --pt-success-dark: #059669;
    --pt-success-bg: rgba(16,185,129,0.08);
    --pt-danger: #ef4444;
    --pt-danger-dark: #dc2626;
    --pt-danger-bg: rgba(239,68,68,0.08);
    --pt-warning: #f59e0b;
    --pt-warning-bg: rgba(245,158,11,0.08);
    --pt-info: #3b82f6;
    --pt-info-bg: rgba(59,130,246,0.08);

    /* Neutrals */
    --pt-bg: #f8fafc;
    --pt-surface: #ffffff;
    --pt-surface-hover: #f1f5f9;
    --pt-border: #e2e8f0;
    --pt-border-light: #f1f5f9;
    --pt-text: #0f172a;
    --pt-text-secondary: #64748b;
    --pt-text-muted: #94a3b8;

    /* Radii */
    --pt-radius-sm: 8px;
    --pt-radius: 12px;
    --pt-radius-lg: 16px;
    --pt-radius-xl: 24px;

    /* Shadows */
    --pt-shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
    --pt-shadow: 0 4px 16px rgba(0,0,0,0.06), 0 2px 4px rgba(0,0,0,0.04);
    --pt-shadow-lg: 0 12px 40px rgba(0,0,0,0.1), 0 4px 12px rgba(0,0,0,0.05);
    --pt-shadow-xl: 0 24px 64px rgba(0,0,0,0.12), 0 8px 24px rgba(0,0,0,0.06);

    /* Transitions */
    --pt-transition: all 0.3s cubic-bezier(0.4,0,0.2,1);
    --pt-transition-fast: all 0.15s cubic-bezier(0.4,0,0.2,1);

    /* Typography */
    --pt-font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --pt-font-mono: 'JetBrains Mono', 'Fira Code', monospace;
}

/* Base resets that enhance the design system */
*, *::before, *::after {
    box-sizing: border-box;
}

body {
    font-family: var(--pt-font);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    color: var(--pt-text);
}

/* Utility classes */
.pt-gradient-primary {
    background: linear-gradient(135deg, var(--pt-primary), var(--pt-primary-dark));
}

.pt-gradient-accent {
    background: linear-gradient(135deg, var(--pt-accent), var(--pt-accent-dark));
}

.pt-text-gradient {
    background: linear-gradient(135deg, var(--pt-primary), var(--pt-accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.pt-card {
    background: var(--pt-surface);
    border: 1px solid var(--pt-border);
    border-radius: var(--pt-radius);
    box-shadow: var(--pt-shadow-sm);
    transition: var(--pt-transition);
}

.pt-card:hover {
    box-shadow: var(--pt-shadow);
    transform: translateY(-2px);
}

.pt-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 10px;
    border-radius: 100px;
    font-size: 0.75rem;
    font-weight: 600;
}

.pt-badge-primary {
    background: var(--pt-primary-bg);
    color: var(--pt-primary);
}

.pt-badge-success {
    background: var(--pt-success-bg);
    color: var(--pt-success);
}

.pt-badge-warning {
    background: var(--pt-warning-bg);
    color: var(--pt-accent-dark);
}

.pt-badge-danger {
    background: var(--pt-danger-bg);
    color: var(--pt-danger);
}

/* Scrollbar styling */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: var(--pt-border);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--pt-text-muted);
}

/* Focus visible */
:focus-visible {
    outline: 2px solid var(--pt-primary);
    outline-offset: 2px;
}

/* Selection */
::selection {
    background: var(--pt-primary-bg);
    color: var(--pt-primary-dark);
}