/* ========================================
   APEX Core Design System
   Unified tokens, variables, typography, and layout
   Consolidated from: design-tokens.css, design-system.css,
   variables.css, typography.css, layout.css
   ======================================== */

/* ========================================
   1. CSS CUSTOM PROPERTIES (Design Tokens)
   Single source of truth for all design values
   ======================================== */

:root {
    /* ======== PARKER HEALTH BRAND (PRIMARY) ======== */
    --parker-blue: #2563EB;
    --parker-blue-light: #3B82F6;
    --parker-blue-dark: #1D4ED8;
    --parker-teal: #0D9488;
    --parker-teal-light: #14B8A6;
    --parker-teal-dark: #0F766E;

    /* ======== PRIMARY COLORS ======== */
    --color-primary: #2563EB;
    --color-primary-light: #3B82F6;
    --color-primary-dark: #1D4ED8;
    --color-secondary: #0D9488;
    --color-secondary-light: #14B8A6;
    --color-secondary-dark: #0F766E;

    /* ======== APEX ACCENT COLORS ======== */
    --primary-pink: #FF2674;
    --primary-pink-light: #FF4A8A;
    --primary-pink-dark: #E01E5A;
    --primary-pink-bright: #FF5FA2;
    --primary-purple: #3317B8;
    --primary-purple-light: #4A2BD1;
    --primary-purple-dark: #2814A1;
    --primary-purple-bright: #5B3FE8;
    --dark-navy: #001A40;
    --dark-teal: #013C44;
    --pure-white: #FFFFFF;
    --black: #000000;

    /* ======== ACCENT COLORS (Modern Tokens) ======== */
    --color-accent-purple: #6366F1;
    --color-accent-purple-bg: rgba(99, 102, 241, 0.08);
    --color-accent-pink: #EC4899;
    --color-accent-pink-bg: rgba(236, 72, 153, 0.08);
    --color-accent-orange: #F97316;
    --color-accent-orange-bg: rgba(249, 115, 22, 0.08);

    /* ======== NEUTRAL PALETTE ======== */
    --neutral-50: #FAFBFC;
    --neutral-100: #F4F6F8;
    --neutral-200: #E2E8F0;
    --neutral-300: #CBD5E0;
    --neutral-400: #A0AEC0;
    --neutral-500: #718096;
    --neutral-600: #4A5568;
    --neutral-700: #2D3748;
    --neutral-800: #1A202C;
    --neutral-900: #171923;

    /* ======== TEXT COLORS ======== */
    --text-primary: #1E293B;
    --text-secondary: #64748B;
    --text-muted: #94A3B8;
    --light-grey: #F8FAFC;
    --medium-grey: #E2E8F0;
    --dark-grey: #475569;
    --color-text: #0F172A;
    --color-text-muted: #64748B;
    --color-text-light: #94A3B8;
    --color-text-inverse: #FFFFFF;

    /* ======== BACKGROUND COLORS ======== */
    --color-background: #F8FAFC;
    --color-background-alt: #F1F5F9;
    --color-surface: #FFFFFF;

    /* ======== SEMANTIC COLORS ======== */
    --success-color: #10B981;
    --success-light: #34D399;
    --color-success: #22C55E;
    --color-success-bg: rgba(34, 197, 94, 0.08);
    --warning-color: #F59E0B;
    --warning-light: #FBBF24;
    --color-warning: #F59E0B;
    --color-warning-bg: rgba(245, 158, 11, 0.08);
    --danger-color: #EF4444;
    --danger-light: #F87171;
    --color-error: #EF4444;
    --color-error-bg: rgba(239, 68, 68, 0.08);
    --info-color: #3B82F6;
    --info-light: #60A5FA;
    --color-info: #3B82F6;
    --color-info-bg: rgba(59, 130, 246, 0.08);

    /* ======== LEGACY COMPATIBILITY ======== */
    --primary-color: var(--parker-blue);
    --secondary-color: var(--parker-teal);
    --tertiary-color: var(--dark-navy);
    --quaternary-color: var(--dark-teal);
    --dark-color: var(--dark-navy);
    --light-color: var(--pure-white);

    /* ======== TYPOGRAPHY ======== */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --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;
    --tracking-tight: -0.025em;
    --tracking-normal: 0;
    --tracking-wide: 0.025em;
    --tracking-widest: 0.1em;

    /* ======== SPACING ======== */
    --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;
    --space-16: 4rem;

    /* ======== BORDER RADIUS ======== */
    --radius-sm: 0.5rem;
    --radius-md: 0.75rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
    --radius-2xl: 2rem;
    --radius-pill: 9999px;
    --radius-full: 9999px;

    /* ======== SHADOWS ======== */
    --shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --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);
    --shadow-soft: 0 4px 20px rgba(0, 0, 0, 0.06);
    --shadow-elevated: 0 8px 32px rgba(0, 0, 0, 0.08);
    --shadow-float: 0 12px 40px rgba(0, 0, 0, 0.1);
    --shadow-inset: inset 0 2px 4px 0 rgba(0, 0, 0, 0.06);
    --shadow-glow: 0 0 20px rgba(37, 99, 235, 0.25);
    --shadow-glow-blue: 0 0 24px rgba(37, 99, 235, 0.3);
    --shadow-glow-teal: 0 0 20px rgba(13, 148, 136, 0.25);
    --shadow-glow-pink: 0 0 20px rgba(255, 38, 116, 0.25);
    --shadow-glow-purple: 0 0 20px rgba(51, 23, 184, 0.25);
    --shadow-glow-primary: 0 4px 14px rgba(37, 99, 235, 0.25);
    --shadow-glow-secondary: 0 4px 14px rgba(13, 148, 136, 0.25);

    /* ======== GRADIENTS ======== */
    --sidebar-bg: linear-gradient(180deg, var(--dark-navy) 0%, var(--dark-teal) 50%, #002654 100%);
    --glass-bg: rgba(255, 255, 255, 0.92);
    --glass-bg-dark: rgba(0, 26, 64, 0.85);
    --glass-border: rgba(255, 38, 116, 0.15);
    --glass-border-light: rgba(255, 255, 255, 0.2);
    --glass-surface: rgba(255, 255, 255, 0.85);
    --glass-border-subtle: 1px solid rgba(255, 255, 255, 0.3);
    --gradient-primary: linear-gradient(135deg, var(--primary-pink-bright) 0%, var(--primary-purple-bright) 100%);
    --gradient-secondary: linear-gradient(135deg, var(--primary-purple) 0%, var(--dark-navy) 100%);
    --gradient-accent: linear-gradient(135deg, var(--dark-teal) 0%, var(--primary-purple-bright) 100%);
    --gradient-glass: linear-gradient(135deg, rgba(255, 255, 255, 0.95) 0%, rgba(255, 255, 255, 0.8) 100%);
    --gradient-card: linear-gradient(145deg, rgba(255, 255, 255, 0.9) 0%, rgba(248, 250, 252, 0.9) 100%);
    --color-primary-gradient: linear-gradient(135deg, #2563EB 0%, #3B82F6 100%);

    /* ======== GLASSMORPHISM ======== */
    --backdrop-blur: blur(16px);
    --backdrop-saturate: saturate(180%);
    --glass-blur: blur(16px);
    --glass-saturate: saturate(180%);

    /* ======== TRANSITIONS ======== */
    --transition-base: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
    --transition-smooth: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);

    /* ======== Z-INDEX ======== */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal-backdrop: 1040;
    --z-modal: 1050;
    --z-popover: 1060;
    --z-tooltip: 1070;

    /* ======== LAYOUT ======== */
    --sidebar-width: 280px;
    --sidebar-collapsed-width: 72px;
    --header-height: 64px;
    --content-max-width: 1400px;
}


/* ========================================
   2. BASE STYLES
   ======================================== */

*, *::before, *::after {
    box-sizing: border-box;
}

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

body {
    font-family: var(--font-family);
    font-size: var(--text-sm);
    line-height: var(--leading-normal);
    color: var(--color-text);
    background-color: var(--color-background);
    margin: 0;
    padding: 0;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

html, body {
    overflow-x: hidden;
    max-width: 100vw;
}


/* ========================================
   3. TYPOGRAPHY
   ======================================== */

h1, h2, h3, h4, h5, h6 {
    font-weight: var(--font-bold);
    line-height: var(--leading-tight);
    color: var(--color-text);
    margin-top: 0;
    margin-bottom: 0.5em;
}

h1 { font-size: var(--text-4xl); letter-spacing: var(--tracking-tight); }
h2 { font-size: var(--text-3xl); letter-spacing: var(--tracking-tight); }
h3 { font-size: var(--text-2xl); }
h4 { font-size: var(--text-xl); }
h5 { font-size: var(--text-lg); }
h6 { font-size: var(--text-base); }

p {
    margin-top: 0;
    margin-bottom: 1rem;
    color: var(--color-text-muted);
    line-height: var(--leading-relaxed);
}

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

a:hover {
    color: var(--color-primary-dark);
}

img {
    max-width: 100%;
    height: auto;
}


/* ========================================
   4. LAYOUT SYSTEM
   ======================================== */

.apex-layout {
    display: flex;
    min-height: 100vh;
    position: relative;
}

.apex-sidebar {
    width: var(--sidebar-width);
    height: 100vh;
    position: fixed;
    left: 0;
    top: 0;
    z-index: var(--z-fixed);
    display: flex;
    flex-direction: column;
    transition: width var(--transition-slow);
    overflow: hidden;
}

.apex-main {
    flex: 1;
    margin-left: var(--sidebar-width);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    transition: margin-left var(--transition-slow);
}

.apex-header {
    height: var(--header-height);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 var(--space-6);
    background: var(--color-surface);
    border-bottom: 1px solid var(--neutral-200);
    position: sticky;
    top: 0;
    z-index: var(--z-sticky);
    gap: var(--space-4);
}

.apex-content {
    flex: 1;
    padding: var(--space-6);
    max-width: var(--content-max-width);
    width: 100%;
}

/* Collapsed sidebar state */
.apex-sidebar.collapsed {
    width: var(--sidebar-collapsed-width);
}

.apex-sidebar.collapsed ~ .apex-main {
    margin-left: var(--sidebar-collapsed-width);
}


/* ========================================
   5. STATUS BADGES (Utility)
   ======================================== */

.badge-status-success {
    background-color: rgba(16, 185, 129, 0.1);
    color: var(--success-color);
}

.badge-status-warning {
    background-color: rgba(245, 158, 11, 0.1);
    color: var(--warning-color);
}

.badge-status-info {
    background-color: rgba(59, 130, 246, 0.1);
    color: var(--info-color);
}

.badge-status-neutral {
    background-color: rgba(156, 163, 175, 0.1);
    color: var(--neutral-500);
}

.pagination .page-item.active .page-link {
    background-color: var(--dark-navy);
    border-color: var(--dark-navy);
    color: white;
}