/* Bootstrap CSS - Must be first for @import rules */
@import 'bootstrap/dist/css/bootstrap.min.css';

/* ==========================================================================
   RXNetworx Global Design System
   Following ISO 9241, WCAG 2.2, Material Design, Apple HIG, Fluent Design
   ========================================================================== */

/* 
 * DESIGN TOKENS 
 * Based on 8px grid system (Material Design standard)
 */
:root {
    /* Colors - WCAG 2.2 AA Compliant (4.5:1 contrast ratio minimum) */
    --color-primary: #0d6efd;
    --color-primary-dark: #0a58ca;
    --color-primary-light: #6ea8fe;
    --color-primary-bg: rgba(13, 110, 253, 0.1);
    
    --color-success: #198754;
    --color-success-dark: #146c43;
    --color-success-light: #75b798;
    --color-success-bg: rgba(25, 135, 84, 0.1);
    
    --color-warning: #ffc107;
    --color-warning-dark: #cc9a06;
    --color-warning-light: #ffcd39;
    --color-warning-bg: rgba(255, 193, 7, 0.1);
    
    --color-danger: #dc3545;
    --color-danger-dark: #b02a37;
    --color-danger-light: #e35d6a;
    --color-danger-bg: rgba(220, 53, 69, 0.1);
    
    --color-info: #0dcaf0;
    --color-info-dark: #0aa2c0;
    --color-info-light: #3dd5f3;
    --color-info-bg: rgba(13, 202, 240, 0.1);
    
    /* Neutral Colors */
    --color-gray-50: #f8f9fa;
    --color-gray-100: #f1f3f5;
    --color-gray-200: #e9ecef;
    --color-gray-300: #dee2e6;
    --color-gray-400: #ced4da;
    --color-gray-500: #adb5bd;
    --color-gray-600: #6c757d;
    --color-gray-700: #495057;
    --color-gray-800: #343a40;
    --color-gray-900: #212529;
    
    --color-text-primary: #212529;
    --color-text-secondary: #6c757d;
    --color-text-muted: #adb5bd;
    
    --color-bg-primary: #ffffff;
    --color-bg-secondary: #f8f9fa;
    --color-bg-tertiary: #e9ecef;
    
    /* Spacing Scale - 8px base grid */
    --space-0: 0;
    --space-1: 0.25rem;   /* 4px */
    --space-2: 0.5rem;    /* 8px */
    --space-3: 0.75rem;   /* 12px */
    --space-4: 1rem;      /* 16px */
    --space-5: 1.25rem;   /* 20px */
    --space-6: 1.5rem;    /* 24px */
    --space-7: 1.75rem;   /* 28px */
    --space-8: 2rem;      /* 32px */
    --space-10: 2.5rem;   /* 40px */
    --space-12: 3rem;     /* 48px */
    --space-16: 4rem;     /* 64px */
    --space-20: 5rem;     /* 80px */
    
    /* Typography Scale */
    --font-family-base: 'Figtree', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-family-mono: 'SF Mono', Monaco, 'Cascadia Code', 'Roboto Mono', Consolas, 'Courier New', monospace;
    
    --font-size-xs: 0.75rem;    /* 12px */
    --font-size-sm: 0.875rem;   /* 14px */
    --font-size-base: 1rem;     /* 16px - WCAG minimum for body */
    --font-size-lg: 1.125rem;   /* 18px */
    --font-size-xl: 1.25rem;    /* 20px */
    --font-size-2xl: 1.5rem;    /* 24px */
    --font-size-3xl: 1.875rem;  /* 30px */
    --font-size-4xl: 2.25rem;   /* 36px */
    --font-size-5xl: 3rem;      /* 48px */
    
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    
    --line-height-tight: 1.25;
    --line-height-normal: 1.5;
    --line-height-relaxed: 1.75;
    
    /* Border Radius - Following Material Design principles */
    --radius-none: 0;
    --radius-sm: 0.25rem;   /* 4px */
    --radius-md: 0.5rem;    /* 8px */
    --radius-lg: 0.75rem;   /* 12px */
    --radius-xl: 1rem;      /* 16px */
    --radius-2xl: 1.5rem;   /* 24px */
    --radius-full: 9999px;
    
    /* Shadows - Material Design elevation */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1);
    --shadow-2xl: 0 25px 50px -12px rgb(0 0 0 / 0.25);
    
    /* Transitions - Fluent Design motion */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 200ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Touch Targets - WCAG 2.2 Level AAA (44x44px minimum) */
    --touch-target-min: 2.75rem; /* 44px */
    
    /* Focus Indicators - WCAG 2.2 */
    --focus-ring-width: 3px;
    --focus-ring-color: rgba(13, 110, 253, 0.5);
    --focus-ring-offset: 2px;
    
    /* Z-index Scale */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal-backdrop: 1040;
    --z-modal: 1050;
    --z-popover: 1060;
    --z-tooltip: 1070;
}

/* ==========================================================================
   GLOBAL RESET & BASE STYLES
   ========================================================================== */

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

html {
    font-size: 16px; /* Base font size for accessibility */
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

body {
    font-family: var(--font-family-base);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-normal);
    line-height: var(--line-height-normal);
    color: var(--color-text-primary);
    background-color: var(--color-bg-secondary);
    margin: 0;
    padding: 0;
}

/* ==========================================================================
   ACCESSIBILITY ENHANCEMENTS - WCAG 2.2
   ========================================================================== */

/* Focus Visible - Enhanced keyboard navigation */
*:focus {
    outline: none;
}

*:focus-visible {
    outline: var(--focus-ring-width) solid var(--focus-ring-color);
    outline-offset: var(--focus-ring-offset);
    border-radius: var(--radius-sm);
}

/* Ensure sufficient color contrast for links */
a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

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

a:focus-visible {
    outline: var(--focus-ring-width) solid var(--focus-ring-color);
    outline-offset: var(--focus-ring-offset);
}

/* Screen reader only content */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

/* Skip to main content link - Accessibility */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--color-primary);
    color: white;
    padding: var(--space-2) var(--space-4);
    text-decoration: none;
    z-index: 9999;
}

.skip-link:focus {
    top: 0;
}

/* Reduced motion for users who prefer it */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

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

h1, h2, h3, h4, h5, h6 {
    margin-top: 0;
    margin-bottom: var(--space-4);
    font-weight: var(--font-weight-bold);
    line-height: var(--line-height-tight);
    color: var(--color-text-primary);
}

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

p {
    margin-top: 0;
    margin-bottom: var(--space-4);
    line-height: var(--line-height-normal);
}

/* ==========================================================================
   BUTTON SYSTEM - Following Material Design & Fluent principles
   ========================================================================== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    line-height: 1.5;
    text-align: center;
    text-decoration: none;
    white-space: nowrap;
    vertical-align: middle;
    cursor: pointer;
    user-select: none;
    border: 1px solid transparent;
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
    min-height: var(--touch-target-min); /* WCAG 2.2 touch target */
}

.btn:focus-visible {
    outline: var(--focus-ring-width) solid var(--focus-ring-color);
    outline-offset: var(--focus-ring-offset);
}

.btn:disabled,
.btn.disabled {
    pointer-events: none;
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-primary {
    background-color: var(--color-primary);
    color: white;
    border-color: var(--color-primary);
}

.btn-primary:hover:not(:disabled) {
    background-color: var(--color-primary-dark);
    border-color: var(--color-primary-dark);
    box-shadow: var(--shadow-md);
    transform: translateY(-1px);
}

.btn-primary:active:not(:disabled) {
    transform: translateY(0);
}

.btn-lg {
    padding: var(--space-4) var(--space-8);
    font-size: var(--font-size-lg);
}

.btn-sm {
    padding: var(--space-2) var(--space-4);
    font-size: var(--font-size-sm);
    min-height: 2.25rem; /* 36px - still accessible */
}

/* ==========================================================================
   FORM CONTROLS - WCAG 2.2 Compliant
   ========================================================================== */

.form-label {
    display: block;
    margin-bottom: var(--space-2);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-primary);
}

.form-control,
.form-select {
    display: block;
    width: 100%;
    padding: var(--space-3) var(--space-4);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-normal);
    line-height: var(--line-height-normal);
    color: var(--color-text-primary);
    background-color: var(--color-bg-primary);
    border: 2px solid var(--color-gray-300);
    border-radius: var(--radius-lg);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
    min-height: var(--touch-target-min); /* WCAG 2.2 */
}

.form-control:focus,
.form-select:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--focus-ring-color);
    outline: none;
}

.form-control::placeholder {
    color: var(--color-text-muted);
    opacity: 1;
}

/* Invalid state with sufficient contrast */
.form-control.is-invalid,
.form-select.is-invalid {
    border-color: var(--color-danger);
}

.form-control.is-invalid:focus,
.form-select.is-invalid:focus {
    border-color: var(--color-danger);
    box-shadow: 0 0 0 3px rgba(220, 53, 69, 0.25);
}

.invalid-feedback {
    display: block;
    margin-top: var(--space-2);
    font-size: var(--font-size-sm);
    color: var(--color-danger);
}

/* Radio and Checkbox - Enhanced for accessibility */
.form-check-input {
    width: 1.25rem;
    height: 1.25rem;
    cursor: pointer;
    border: 2px solid var(--color-gray-400);
    transition: all var(--transition-fast);
}

.form-check-input:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--focus-ring-color);
    outline: none;
}

.form-check-input:checked {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
}

/* ==========================================================================
   CARD SYSTEM - Material Design elevation
   ========================================================================== */

.card {
    background-color: var(--color-bg-primary);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    transition: box-shadow var(--transition-base), transform var(--transition-base);
}

.card:hover {
    box-shadow: var(--shadow-md);
}

.card-interactive {
    cursor: pointer;
}

.card-interactive:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.card-header {
    padding: var(--space-4) var(--space-6);
    background-color: var(--color-gray-50);
    border-bottom: 1px solid var(--color-gray-200);
}

.card-body {
    padding: var(--space-6);
}

.card-footer {
    padding: var(--space-4) var(--space-6);
    background-color: var(--color-gray-50);
    border-top: 1px solid var(--color-gray-200);
}

/* ==========================================================================
   BADGE SYSTEM
   ========================================================================== */

.badge {
    display: inline-flex;
    align-items: center;
    padding: var(--space-1) var(--space-3);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    line-height: 1;
    border-radius: var(--radius-full);
    text-transform: uppercase;
    letter-spacing: 0.025em;
}

/* Badge Color Variants - WCAG 2.2 Compliant */
.badge.bg-primary,
.badge.bg-primary.bg-opacity-25 {
    background-color: var(--color-primary-bg) !important;
    color: var(--color-primary) !important;
}

.badge.bg-success,
.badge.bg-success.bg-opacity-25 {
    background-color: var(--color-success-bg) !important;
    color: var(--color-success-dark) !important;
}

.badge.bg-warning,
.badge.bg-warning.bg-opacity-25 {
    background-color: var(--color-warning-bg) !important;
    color: var(--color-warning-dark) !important;
}

.badge.bg-danger,
.badge.bg-danger.bg-opacity-25 {
    background-color: var(--color-danger-bg) !important;
    color: var(--color-danger-dark) !important;
}

.badge.bg-info,
.badge.bg-info.bg-opacity-25 {
    background-color: var(--color-info-bg) !important;
    color: var(--color-info-dark) !important;
}

/* Solid Badge Variants */
.badge.bg-primary:not(.bg-opacity-25) {
    background-color: var(--color-primary) !important;
    color: white !important;
}

.badge.bg-success:not(.bg-opacity-25) {
    background-color: var(--color-success) !important;
    color: white !important;
}

.badge.bg-warning:not(.bg-opacity-25) {
    background-color: var(--color-warning) !important;
    color: var(--color-gray-900) !important;
}

.badge.bg-danger:not(.bg-opacity-25) {
    background-color: var(--color-danger) !important;
    color: white !important;
}

.badge.bg-info:not(.bg-opacity-25) {
    background-color: var(--color-info) !important;
    color: var(--color-gray-900) !important;
}

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

.cursor-pointer {
    cursor: pointer;
}

.transition-all {
    transition: all var(--transition-base);
}

/* Text utilities */
.text-dark { color: var(--color-text-primary) !important; }
.text-muted { color: var(--color-text-muted) !important; }

/* Spacing utilities */
.m-0 { margin: 0 !important; }
.mb-0 { margin-bottom: 0 !important; }
.mt-1 { margin-top: var(--space-1) !important; }
.mb-2 { margin-bottom: var(--space-2) !important; }

/* ==========================================================================
   PROGRESS STEPPER COMPONENT
   ========================================================================== */

/* Progress bar styling - Enhanced visibility */
.progress {
    background-color: var(--color-gray-300) !important;
    border-radius: var(--radius-full) !important;
    overflow: hidden;
    height: 0.5rem !important;
    box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.1);
}

.progress-bar {
    background-color: var(--color-primary) !important;
    transition: width var(--transition-slow);
    box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.3);
}

/* Stepper circles - ensure visibility with high specificity */
.rounded-circle.bg-primary.text-white.d-flex.align-items-center.justify-content-center.fw-bold.shadow-sm[style*="width: 3rem"] {
    background-color: var(--color-primary) !important;
}

.rounded-circle.d-flex.align-items-center.justify-content-center.fw-bold.transition-all {
    width: 2.5rem !important;
    height: 2.5rem !important;
    font-size: var(--font-size-sm) !important;
}

/* Active step (current) */
.rounded-circle.d-flex.align-items-center.justify-content-center.fw-bold.transition-all.text-white.shadow-sm {
    background-color: var(--color-primary) !important;
    color: white !important;
}

/* Completed steps */
.rounded-circle.d-flex.align-items-center.justify-content-center.fw-bold.transition-all.bg-success.text-white {
    background-color: var(--color-success) !important;
    color: white !important;
}

/* Upcoming steps */
.rounded-circle.d-flex.align-items-center.justify-content-center.fw-bold.transition-all.bg-secondary.bg-opacity-25.text-secondary {
    background-color: var(--color-gray-300) !important;
    color: var(--color-gray-700) !important;
}

/* Mobile dots - active */
.rounded-pill.transition-all.bg-primary {
    background-color: var(--color-primary) !important;
}

/* Mobile dots - inactive */
.rounded-pill.transition-all.bg-opacity-25 {
    background-color: var(--color-gray-300) !important;
}

/* Stepper connector lines */
.stepper-line {
    height: 3px;
    flex-grow: 1;
    transition: background-color var(--transition-base);
}

.stepper-line.completed {
    background-color: var(--color-success) !important;
}

.stepper-line.upcoming {
    background-color: var(--color-gray-300) !important;
}

/* Mobile step indicators (dots) */
.step-dot {
    width: 0.5rem;
    height: 0.5rem;
    border-radius: var(--radius-full);
    transition: all var(--transition-base);
}

.step-dot.active {
    width: 2rem;
    background-color: var(--color-primary) !important;
}

.step-dot.inactive {
    background-color: var(--color-gray-300) !important;
}

/* ==========================================================================
   RESPONSIVE DESIGN - Mobile-first approach
   ========================================================================== */

@media (max-width: 768px) {
    html {
        font-size: 15px; /* Slightly smaller on mobile but still readable */
    }
    
    h1 { font-size: var(--font-size-3xl); }
    h2 { font-size: var(--font-size-2xl); }
    h3 { font-size: var(--font-size-xl); }
}