/**
 * Base Styles
 * CSS Variables, Resets, Typography, and Global Utilities
 */

/* ========================================
   CSS VARIABLES - Design System Tokens
   ======================================== */

:root {
    /* Category Colors - Dashboard Headers */
    --color-financial: #3b82f6;
    --color-financial-dark: #1e3a8a;
    --color-operational: #f97316;
    --color-operational-dark: #ea580c;
    --color-analytics: #8b5cf6;
    --color-analytics-dark: #6d28d9;
    --color-personnel: #06b6d4;
    --color-personnel-dark: #0891b2;
    --color-forecasting: #10b981;
    --color-forecasting-dark: #059669;
    --color-resident: #ec4899;
    --color-resident-dark: #db2777;
    --color-property: #14b8a6;
    --color-property-dark: #0d9488;
    --color-management: #6366f1;
    --color-management-dark: #4f46e5;

    /* Status Colors */
    --color-success: #10b981;
    --color-success-light: #d1fae5;
    --color-success-dark: #059669;
    --color-warning: #f59e0b;
    --color-warning-light: #fef3c7;
    --color-warning-dark: #d97706;
    --color-danger: #ef4444;
    --color-danger-light: #fee2e2;
    --color-danger-dark: #dc2626;
    --color-info: #3b82f6;
    --color-info-light: #dbeafe;
    --color-info-dark: #2563eb;

    /* Neutral Colors */
    --color-white: #ffffff;
    --color-gray-50: #f9fafb;
    --color-gray-100: #f3f4f6;
    --color-gray-200: #e5e7eb;
    --color-gray-300: #d1d5db;
    --color-gray-400: #9ca3af;
    --color-gray-500: #6b7280;
    --color-gray-600: #4b5563;
    --color-gray-700: #374151;
    --color-gray-800: #1f2937;
    --color-gray-900: #111827;

    /* Spacing Scale */
    --space-xs: 0.5rem;      /* 8px */
    --space-sm: 1rem;        /* 16px */
    --space-md: 1.5rem;      /* 24px */
    --space-lg: 2rem;        /* 32px */
    --space-xl: 3rem;        /* 48px */
    --space-2xl: 4rem;       /* 64px */

    /* Typography Scale */
    --font-size-xs: 0.75rem;     /* 12px */
    --font-size-sm: 0.875rem;    /* 14px */
    --font-size-base: 1rem;      /* 16px */
    --font-size-lg: 1.125rem;    /* 18px */
    --font-size-xl: 1.25rem;     /* 20px */
    --font-size-2xl: 1.5rem;     /* 24px */
    --font-size-3xl: 2rem;       /* 32px */
    --font-size-4xl: 2.5rem;     /* 40px */

    /* Font Weights */
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;

    /* Line Heights */
    --line-height-tight: 1.25;
    --line-height-normal: 1.5;
    --line-height-relaxed: 1.75;

    /* Border Radius */
    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --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 -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);

    /* Transitions */
    --transition-fast: 150ms ease-in-out;
    --transition-normal: 300ms ease-in-out;
    --transition-slow: 500ms ease-in-out;

    /* Z-Index Scale */
    --z-index-dropdown: 1000;
    --z-index-sticky: 1020;
    --z-index-fixed: 1030;
    --z-index-modal-backdrop: 1040;
    --z-index-modal: 1050;
    --z-index-popover: 1060;
    --z-index-tooltip: 1070;
}

/* ========================================
   TYPOGRAPHY
   ======================================== */

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    font-size: var(--font-size-base);
    line-height: var(--line-height-normal);
    color: var(--color-gray-900);
    font-weight: var(--font-weight-normal);
}

h1, h2, h3, h4, h5, h6 {
    margin: 0;
    font-weight: var(--font-weight-bold);
    line-height: var(--line-height-tight);
    color: var(--color-gray-900);
}

h1 {
    font-size: var(--font-size-3xl);
}

h2 {
    font-size: var(--font-size-2xl);
}

h3 {
    font-size: var(--font-size-xl);
}

h4 {
    font-size: var(--font-size-lg);
}

h5, h6 {
    font-size: var(--font-size-base);
}

p {
    margin: 0 0 var(--space-sm) 0;
}

/* ========================================
   UTILITY CLASSES
   ======================================== */

/* Text Colors */
.text-success { color: var(--color-success) !important; }
.text-warning { color: var(--color-warning) !important; }
.text-danger { color: var(--color-danger) !important; }
.text-info { color: var(--color-info) !important; }
.text-muted { color: var(--color-gray-500) !important; }

/* Background Colors */
.bg-success-light { background-color: var(--color-success-light) !important; }
.bg-warning-light { background-color: var(--color-warning-light) !important; }
.bg-danger-light { background-color: var(--color-danger-light) !important; }
.bg-info-light { background-color: var(--color-info-light) !important; }

/* Font Weights */
.font-normal { font-weight: var(--font-weight-normal); }
.font-medium { font-weight: var(--font-weight-medium); }
.font-semibold { font-weight: var(--font-weight-semibold); }
.font-bold { font-weight: var(--font-weight-bold); }

/* Font Sizes */
.text-xs { font-size: var(--font-size-xs); }
.text-sm { font-size: var(--font-size-sm); }
.text-base { font-size: var(--font-size-base); }
.text-lg { font-size: var(--font-size-lg); }
.text-xl { font-size: var(--font-size-xl); }
.text-2xl { font-size: var(--font-size-2xl); }
.text-3xl { font-size: var(--font-size-3xl); }

/* Spacing Utilities */
.mb-0 { margin-bottom: 0 !important; }
.mb-xs { margin-bottom: var(--space-xs); }
.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.mb-xl { margin-bottom: var(--space-xl); }

.mt-0 { margin-top: 0 !important; }
.mt-xs { margin-top: var(--space-xs); }
.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mt-xl { margin-top: var(--space-xl); }

/* Display Utilities */
.d-flex { display: flex; }
.flex-column { flex-direction: column; }
.align-items-center { align-items: center; }
.justify-content-between { justify-content: space-between; }
.justify-content-center { justify-content: center; }
.gap-xs { gap: var(--space-xs); }
.gap-sm { gap: var(--space-sm); }
.gap-md { gap: var(--space-md); }
.gap-lg { gap: var(--space-lg); }

/* Border Radius */
.rounded-sm { border-radius: var(--radius-sm); }
.rounded-md { border-radius: var(--radius-md); }
.rounded-lg { border-radius: var(--radius-lg); }
.rounded-xl { border-radius: var(--radius-xl); }
.rounded-full { border-radius: var(--radius-full); }

/* Shadows */
.shadow-sm { box-shadow: var(--shadow-sm); }
.shadow-md { box-shadow: var(--shadow-md); }
.shadow-lg { box-shadow: var(--shadow-lg); }
.shadow-xl { box-shadow: var(--shadow-xl); }

/* Transitions */
.transition { transition: all var(--transition-normal); }
.transition-fast { transition: all var(--transition-fast); }

/* ========================================
   SUPER ADMIN IMPERSONATION BANNER
   ======================================== */

.super-admin-banner {
    background: linear-gradient(135deg, #dc2626 0%, #991b1b 100%);
    color: white;
    padding: 0.75rem 0;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
    position: sticky;
    top: 0;
    z-index: 1050;
    animation: slideDown 0.3s ease-out;
}

@keyframes slideDown {
    from {
        transform: translateY(-100%);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.super-admin-banner .tenant-name {
    font-weight: 700;
    text-decoration: underline;
    text-decoration-style: wavy;
    text-decoration-thickness: 2px;
}

.super-admin-banner .btn-light {
    background: rgba(255, 255, 255, 0.95);
    border: none;
    font-weight: 600;
}

.super-admin-banner .btn-light:hover {
    background: white;
    transform: translateY(-1px);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.super-admin-banner .btn-danger {
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.3);
    font-weight: 600;
}

.super-admin-banner .btn-danger:hover {
    background: rgba(0, 0, 0, 0.3);
    border-color: white;
}

/* ========================================
   RESPONSIVE BREAKPOINTS
   ======================================== */

/* Mobile First Approach */
/* sm: 576px */
/* md: 768px */
/* lg: 992px */
/* xl: 1200px */
/* xxl: 1400px */