/**
 * MonetizeAI - Design System
 * Modern SaaS typography, light theme variables, and shared component classes.
 */

:root {
    /* Color Palette */
    --mz-primary: #4F46E5;       /* Indigo 600 */
    --mz-primary-hover: #4338CA; /* Indigo 700 */
    --mz-accent: #0EA5E9;        /* Sky 500 */
    
    --mz-bg-app: #F8FAFC;        /* Slate 50 */
    --mz-bg-surface: #FFFFFF;    /* White */
    --mz-bg-surface-hover: #F1F5F9; /* Slate 100 */

    --mz-text-main: #0F172A;     /* Slate 900 */
    --mz-text-muted: #64748B;    /* Slate 500 */
    --mz-text-inverse: #FFFFFF;
    
    --mz-border: #E2E8F0;        /* Slate 200 */
    
    --mz-danger: #EF4444;        /* Red 500 */
    --mz-success: #10B981;       /* Emerald 500 */
    --mz-warning: #F59E0B;       /* Amber 500 */
}

/* Dark Theme Variables */
[data-theme="dark"] {
    --mz-bg-app: #020617;        /* Slate 950 */
    --mz-bg-surface: #0F172A;    /* Slate 900 */
    --mz-bg-surface-hover: #1E293B; /* Slate 800 */

    --mz-text-main: #F8FAFC;     /* Slate 50 */
    --mz-text-muted: #94A3B8;    /* Slate 400 */
    --mz-text-inverse: #FFFFFF;
    
    --mz-border: #334155;        /* Slate 700 */
    
    --mz-danger: #F87171;        /* Red 400 */
    --mz-success: #34D399;       /* Emerald 400 */
    --mz-warning: #FBBF24;       /* Amber 400 */
}

/* System Theme Fallback */
@media (prefers-color-scheme: dark) {
    [data-theme="system"] {
        --mz-bg-app: #020617;
        --mz-bg-surface: #0F172A;
        --mz-bg-surface-hover: #1E293B;
        --mz-text-main: #F8FAFC;
        --mz-text-muted: #94A3B8;
        --mz-text-inverse: #FFFFFF;
        --mz-border: #334155;
        --mz-danger: #F87171;
        --mz-success: #34D399;
        --mz-warning: #FBBF24;
    }
}

:root {
    /* Typography */
    --mz-font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    
    /* Shadows */
    --mz-shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --mz-shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --mz-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);

    /* Radii */
    --mz-radius-sm: 4px;
    --mz-radius-md: 8px;
    --mz-radius-lg: 12px;
}

/* Base Styles */
html, body {
    margin: 0;
    padding: 0;
    font-family: var(--mz-font-family);
    background-color: var(--mz-bg-app);
    color: var(--mz-text-main);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Buttons */
.mz-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 18px;
    font-size: 14px;
    font-weight: 600;
    border-radius: var(--mz-radius-md);
    cursor: pointer;
    transition: all 0.2s ease;
    border: none;
    text-decoration: none;
    font-family: inherit;
}

.mz-btn-primary {
    background-color: var(--mz-primary);
    color: var(--mz-text-inverse);
    box-shadow: var(--mz-shadow-sm);
}

.mz-btn-primary:hover {
    background-color: var(--mz-primary-hover);
    transform: translateY(-1px);
    box-shadow: var(--mz-shadow-md);
}

.mz-btn-secondary {
    background-color: var(--mz-bg-surface);
    color: var(--mz-text-main);
    border: 1px solid var(--mz-border);
}

.mz-btn-secondary:hover {
    background-color: var(--mz-bg-surface-hover);
}

/* Cards */
.mz-card {
    background: var(--mz-bg-surface);
    border: 1px solid var(--mz-border);
    border-radius: var(--mz-radius-lg);
    box-shadow: var(--mz-shadow-sm);
    padding: 24px;
}

/* Inputs */
.mz-input {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid var(--mz-border);
    border-radius: var(--mz-radius-md);
    font-family: inherit;
    font-size: 14px;
    color: var(--mz-text-main);
    background-color: var(--mz-bg-surface);
    transition: border-color 0.2s, box-shadow 0.2s;
}

.mz-input:focus {
    outline: none;
    border-color: var(--mz-primary);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.15);
}

/* Badges */
.mz-badge {
    display: inline-flex;
    align-items: center;
    padding: 2px 8px;
    border-radius: 9999px;
    font-size: 12px;
    font-weight: 600;
    line-height: 1.5;
}

.mz-badge-blue { background-color: #E0E7FF; color: #4338CA; }
.mz-badge-green { background-color: #D1FAE5; color: #059669; }
.mz-badge-gray { background-color: #F1F5F9; color: #475569; }