/* Reset & Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Modern Color Palette */
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #818cf8;
    --primary-soft: rgba(99, 102, 241, 0.08);
    --primary-faint: rgba(99, 102, 241, 0.05);
    --success: #10b981;
    --success-dark: #059669;
    --success-light: #34d399;
    --warning: #f59e0b;
    --warning-dark: #d97706;
    --danger: #ef4444;
    --danger-dark: #dc2626;
    --info: #8b5cf6;
    --info-dark: #7c3aed;
    --indigo: #667eea;
    --slate-700: #334155;

    /* Neutrals */
    --dark: #1e293b;
    --light: #f1f5f9;
    --gray: #64748b;
    --gray-light: #94a3b8;

    /* Backgrounds - Cursor style: brighter, cleaner */
    --bg: #ffffff;
    --bg-secondary: #fafafa;
    --card-bg: #ffffff;

    /* Text */
    --text: #1e293b;
    --text-secondary: #475569;
    --text-muted: #64748b;

    /* Borders & Shadows - Cursor style: softer, more subtle */
    --border: #e5e7eb;
    --border-light: #f3f4f6;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.03);
    --shadow: 0 1px 3px rgba(0, 0, 0, 0.05), 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-card: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-card-hover: 0 4px 12px rgba(0, 0, 0, 0.12);
    --shadow-nav: 0 1px 0 rgba(0, 0, 0, 0.05);
    --nav-control-bg-dark: rgba(255, 255, 255, 0.1);
    --nav-control-border-dark: rgba(255, 255, 255, 0.15);
    --nav-control-hover-dark: rgba(255, 255, 255, 0.2);

    /* Gradients - Cursor style: more refined */
    --gradient-primary: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
    --gradient-success: linear-gradient(135deg, #10b981 0%, #34d399 100%);
    --gradient-danger: linear-gradient(135deg, #ef4444 0%, #f87171 100%);
    --gradient-dark: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    --gradient-nav-dark: linear-gradient(135deg, #1e293b 0%, #334155 100%);
    --gradient-nav-light: linear-gradient(135deg, #eef2ff 0%, #e0e7ff 100%);
    --gradient-brand: linear-gradient(135deg, #ffffff 0%, #e2e8f0 100%);
    --gradient-primary-faint: linear-gradient(135deg, rgba(99, 102, 241, 0.05) 0%, rgba(139, 92, 246, 0.05) 100%);
    --gradient-primary-soft: linear-gradient(135deg, rgba(99, 102, 241, 0.08) 0%, rgba(139, 92, 246, 0.08) 100%);

    /* Misc */
    --radius-sm: 4px;
    --radius: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --transition: all 0.2s ease;
    --transition-slow: all 0.3s ease;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    
    /* Font sizes */
    --font-xs: 0.7rem;
    --font-sm: 0.8rem;
    --font-base: 0.9rem;
    --font-lg: 1rem;
    --font-xl: 1.125rem;
    --font-2xl: 1.35rem;
    --font-3xl: 1.8rem;

    /* Font families */
    /* --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif; */
    --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    
    /* Z-index layers */
    --z-base: 1;
    --z-dropdown: 100;
    --z-sticky: 200;
    --z-fixed: 300;
    --z-modal-backdrop: 1000;
    --z-modal: 1001;
    --z-tooltip: 2000;

    /* Layout sizes */
    --size-12: 12px;
    --size-16: 16px;
    --size-20: 20px;
    --size-24: 24px;
    --size-32: 32px;
    --size-36: 36px;
    --size-40: 40px;
    --size-44: 44px;
    --size-48: 48px;
    --size-56: 56px;
    --size-64: 64px;
    --size-80: 80px;
    --nav-height: 56px;

    /* Alerts */
    --color-danger-bg: #fef2f2;
    --color-danger: #dc2626;
    --color-danger-border: #fecaca;
    --color-success-bg: #f0fdf4;
    --color-success: #16a34a;
    --color-success-border: #bbf7d0;
    --color-info-bg: #eff6ff;
    --color-info: #2563eb;
    --color-info-border: #bfdbfe;
}

body {
    font-family: var(--font-sans);
    font-size: 0.9rem;
    background: var(--bg);
    color: var(--text);
    line-height: 1.7;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Container - Cursor style: wider, more spacious */
.container {
    max-width: 1600px;
    margin: 0 auto;
    padding: 1rem 2.5rem;
}

/* Page Header - Cursor style: more spacious */
.page-header {
    margin-bottom: 0.5rem;
    margin-top: 0;
}

.page-header h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text);
    letter-spacing: -0.5px;
    line-height: 1.3;
}