/* SPAMS Design System - Inspired by TailAdmin, AdminLTE & Tabler */
/* Modern Admin Dashboard Theme */

:root {
    /* ========================================
       BRAND COLORS (SPAMS/InfoRoots)
    ======================================== */
    --brand-primary: #007196;
    --brand-primary-light: #00838F;
    --brand-primary-dark: #004D40;
    --brand-accent: #00ACC1;

    /* ========================================
       COLOR PALETTE - Modern Admin Theme
    ======================================== */
    /* Primary Blues/Teals */
    --color-primary: #007196;
    --color-primary-light: #0097A7;
    --color-primary-lighter: #B2EBF2;
    --color-primary-dark: #004D40;
    --color-primary-rgb: 0, 113, 150;

    /* Secondary */
    --color-secondary: #64748B;
    --color-secondary-light: #94A3B8;
    --color-secondary-dark: #475569;

    /* Success */
    --color-success: #10B981;
    --color-success-light: #D1FAE5;
    --color-success-dark: #059669;

    /* Warning */
    --color-warning: #F59E0B;
    --color-warning-light: #FEF3C7;
    --color-warning-dark: #D97706;

    /* Danger */
    --color-danger: #EF4444;
    --color-danger-light: #FEE2E2;
    --color-danger-dark: #DC2626;

    /* Info */
    --color-info: #3B82F6;
    --color-info-light: #DBEAFE;
    --color-info-dark: #2563EB;

    /* ========================================
       BACKGROUND COLORS
    ======================================== */
    --bg-body: #F1F5F9;
    --bg-sidebar: #1E293B;
    --bg-sidebar-dark: #0F172A;
    --bg-header: #FFFFFF;
    --bg-card: #FFFFFF;
    --bg-card-hover: #F8FAFC;
    --bg-input: #FFFFFF;
    --bg-input-focus: #F8FAFC;

    /* ========================================
       TEXT COLORS
    ======================================== */
    --text-primary: #1E293B;
    --text-secondary: #64748B;
    --text-muted: #94A3B8;
    --text-inverse: #FFFFFF;
    --text-sidebar: #94A3B8;
    --text-sidebar-active: #FFFFFF;
    --text-link: #006064;
    --text-link-hover: #0097A7;

    /* ========================================
       BORDER COLORS
    ======================================== */
    --border-light: #E2E8F0;
    --border-default: #CBD5E1;
    --border-dark: #94A3B8;
    --border-focus: #006064;

    /* ========================================
       SHADOWS
    ======================================== */
    --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1), 0 1px 2px rgba(0, 0, 0, 0.06);
    --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);
    --shadow-card: 0 0 0 1px rgba(0, 0, 0, 0.05), 0 1px 3px rgba(0, 0, 0, 0.1);
    --shadow-dropdown: 0 10px 40px rgba(0, 0, 0, 0.15);

    /* ========================================
       SPACING SCALE
    ======================================== */
    --space-0: 0;
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;

    /* ========================================
       BORDER RADIUS
    ======================================== */
    --radius-none: 0;
    --radius-sm: 0.25rem;
    --radius-md: 0.375rem;
    --radius-lg: 0.5rem;
    --radius-xl: 0.75rem;
    --radius-2xl: 1rem;
    --radius-full: 9999px;

    /* ========================================
       TYPOGRAPHY
    ======================================== */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', Consolas, monospace;

    --text-xs: 0.75rem;
    --text-sm: 0.875rem;
    --text-base: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.25rem;
    --text-2xl: 1.5rem;
    --text-3xl: 1.875rem;
    --text-4xl: 2.25rem;

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

    --leading-tight: 1.25;
    --leading-normal: 1.5;
    --leading-relaxed: 1.625;

    /* ========================================
       LAYOUT DIMENSIONS
    ======================================== */
    --header-height: 64px;
    --sidebar-width: 280px;
    --sidebar-collapsed-width: 80px;
    --footer-height: 56px;

    /* ========================================
       TRANSITIONS
    ======================================== */
    --transition-fast: 150ms ease;
    --transition-base: 200ms ease;
    --transition-slow: 300ms ease;

    /* ========================================
       Z-INDEX SCALE
    ======================================== */
    --z-dropdown: 1000;
    --z-sticky: 200;
    --z-fixed: 300;
    --z-sidebar: 400;
    --z-header: 500;
    --z-modal-backdrop: 600;
    --z-modal: 700;
    --z-tooltip: 800;
    --z-toast: 900;
}

/* ========================================
   GLOBAL RESETS
======================================== */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-sans);
    font-size: var(--text-sm);
    font-weight: var(--font-normal);
    line-height: var(--leading-normal);
    color: var(--text-primary);
    background-color: var(--bg-body);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

a {
    color: var(--text-link);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--text-link-hover);
}

img,
svg {
    max-width: 100%;
    height: auto;
    vertical-align: middle;
}

button,
input,
select,
textarea {
    font-family: inherit;
    font-size: inherit;
}

:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

::selection {
    background-color: var(--color-primary-lighter);
    color: var(--color-primary-dark);
}

::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

::-webkit-scrollbar-track {
    background: var(--bg-body);
}

::-webkit-scrollbar-thumb {
    background: var(--border-default);
    border-radius: var(--radius-full);
}

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