/**
 * ShipGrid Portal - Main CSS (Enhanced)
 * Version: 4.0.0
 * Server Location: /public_html/portal/assets/css/main.css
 * 
 * Created: January 24, 2025 at 11:00 PM MST
 * Updated: January 24, 2025 at 11:00 PM MST
 * 
 * Purpose: Core styles shared across all pages (no inline CSS)
 * 
 * Changelog:
 * - v4.0.0: Added professional layout styles from inline CSS
 * - v3.0.0: Original modular version
 */

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

:root {
    /* Layout Dimensions */
    --topbar-height: 56px;
    --sidebar-width: 240px;
    
    /* Primary Colors */
    --color-primary-50: #eff6ff;
    --color-primary-100: #dbeafe;
    --color-primary-200: #bfdbfe;
    --color-primary-300: #93c5fd;
    --color-primary-400: #60a5fa;
    --color-primary-500: #1e3a8a;
    --color-primary-600: #1e40af;
    --color-primary-700: #1d4ed8;
    --color-primary-800: #1e40af;
    --color-primary-900: #1e3a8a;
    
    /* Secondary Colors */
    --color-secondary-100: #ffefd4;
    --color-secondary-200: #ffd8a8;
    --color-secondary-300: #ffb870;
    --color-secondary-400: #ff9238;
    --color-secondary-500: #fb923c;
    --color-secondary-600: #ea7c2a;
    
    /* Success Colors */
    --color-success-50: #f0fdf4;
    --color-success-100: #dcfce7;
    --color-success-200: #bbf7d0;
    --color-success-300: #86efac;
    --color-success-400: #4ade80;
    --color-success-500: #22c55e;
    --color-success-600: #16a34a;
    
    /* Warning Colors */
    --color-warning-50: #fffbeb;
    --color-warning-100: #fef3c7;
    --color-warning-200: #fde68a;
    --color-warning-300: #fcd34d;
    --color-warning-400: #fbbf24;
    --color-warning-500: #eab308;
    --color-warning-600: #d97706;
    
    /* Error Colors */
    --color-error-50: #fef2f2;
    --color-error-100: #fee2e2;
    --color-error-200: #fecaca;
    --color-error-300: #fca5a5;
    --color-error-400: #f87171;
    --color-error-500: #ef4444;
    --color-error-600: #dc2626;
    
    /* Info Colors */
    --color-info-50: #f0f9ff;
    --color-info-100: #e0f2fe;
    --color-info-200: #bae6fd;
    --color-info-300: #7dd3fc;
    --color-info-400: #38bdf8;
    --color-info-500: #06b6d4;
    --color-info-600: #0891b2;
    
    /* Gray Scale */
    --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;
    --color-gray-950: #030712;
    
    /* Semantic Colors */
    --color-background: var(--color-gray-50);
    --color-surface: #ffffff;
    --color-text-primary: var(--color-gray-900);
    --color-text-secondary: var(--color-gray-600);
    --color-text-tertiary: var(--color-gray-400);
    --color-border: var(--color-gray-200);
    --color-divider: var(--color-gray-200);
    
    /* Typography */
    --font-primary: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-mono: 'SF Mono', Monaco, 'Cascadia Code', 'Roboto Mono', Consolas, 'Courier New', monospace;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;
    --font-weight-light: 300;
    --font-weight-regular: 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: 1.625;
    
    /* Spacing */
    --spacing-0: 0;
    --spacing-1: 0.25rem;
    --spacing-2: 0.5rem;
    --spacing-3: 0.75rem;
    --spacing-4: 1rem;
    --spacing-5: 1.25rem;
    --spacing-6: 1.5rem;
    --spacing-8: 2rem;
    --spacing-10: 2.5rem;
    --spacing-12: 3rem;
    --spacing-16: 4rem;
    --spacing-20: 5rem;
    
    /* Border Radius */
    --radius-none: 0;
    --radius-sm: 0.125rem;
    --radius-base: 0.25rem;
    --radius-md: 0.375rem;
    --radius-lg: 0.5rem;
    --radius-xl: 0.75rem;
    --radius-2xl: 1rem;
    --radius-3xl: 1.5rem;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-base: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 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-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    
    /* Transitions */
    --transition-fast: 150ms;
    --transition-base: 250ms;
    --transition-slow: 350ms;
    --transition-slower: 500ms;
    --transition-easing-standard: cubic-bezier(0.4, 0.0, 0.2, 1);
    --transition-easing-in: cubic-bezier(0.4, 0.0, 1, 1);
    --transition-easing-out: cubic-bezier(0.0, 0.0, 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;
    --z-notification: 1080;
}

/* =====================================================
   RESET / NORMALIZE
   ===================================================== */

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

html {
    line-height: 1.15;
    -webkit-text-size-adjust: 100%;
    scroll-behavior: smooth;
    font-size: 16px;
    height: 100%;
}

body {
    margin: 0;
    padding: 0;
    font-family: var(--font-primary);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-regular);
    line-height: var(--line-height-normal);
    color: var(--color-text-primary);
    background-color: var(--color-background);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    min-height: 100%;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    margin-top: 0;
    margin-bottom: var(--spacing-4);
    font-weight: var(--font-weight-semibold);
    line-height: var(--line-height-tight);
}

h1 { font-size: var(--font-size-5xl); }
h2 { font-size: var(--font-size-4xl); }
h3 { font-size: var(--font-size-3xl); }
h4 { font-size: var(--font-size-2xl); }
h5 { font-size: var(--font-size-xl); }
h6 { font-size: var(--font-size-lg); }

p {
    margin-top: 0;
    margin-bottom: var(--spacing-4);
}

a {
    color: var(--color-primary-500);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

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

/* =====================================================
   PROFESSIONAL LAYOUT STRUCTURE
   ===================================================== */

.layout-wrapper {
    display: flex;
    min-height: 100vh;
}

/* Fixed Sidebar */
.sidebar {
    position: fixed;
    left: 0;
    top: 0;
    bottom: 0;
    width: var(--sidebar-width);
    background: var(--color-gray-900);
    display: flex;
    flex-direction: column;
    z-index: 1000;
    overflow-y: auto;
}

.sidebar-dark {
    background-color: var(--color-gray-900);
    color: white;
}

.sidebar-header {
    padding: var(--spacing-6);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.sidebar-brand {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    color: white;
}

.sidebar-nav {
    flex: 1;
    padding: var(--spacing-4);
    overflow-y: auto;
}

.sidebar-footer {
    margin-top: auto;
    position: relative;
    z-index: 1001;
    background: var(--color-gray-900);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.sidebar-footer .dropdown-content {
    bottom: 100%;
    top: auto;
    margin-bottom: var(--spacing-2);
}

/* Main wrapper with sidebar offset */
.main-wrapper {
    flex: 1;
    margin-left: var(--sidebar-width);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* Sticky Topbar */
.topbar {
    position: sticky;
    top: 0;
    height: var(--topbar-height);
    background: white;
    border-bottom: 1px solid var(--color-divider);
    display: flex;
    align-items: center;
    padding: 0 var(--spacing-6);
    gap: var(--spacing-4);
    z-index: 900;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.topbar h1 {
    margin: 0;
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
}

/* Page Content */
.page-content {
    flex: 1;
    padding: var(--spacing-6);
    background: var(--color-background);
}

/* =====================================================
   NAVIGATION
   ===================================================== */

.nav-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.nav-item {
    margin-bottom: var(--spacing-1);
}

.nav-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    padding: var(--spacing-3) var(--spacing-4);
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast) var(--transition-easing-standard);
}

.nav-link:hover {
    background-color: rgba(255, 255, 255, 0.1);
    color: white;
    text-decoration: none;
}

.nav-item.active .nav-link {
    background-color: var(--color-primary-600);
    color: white;
}

/* =====================================================
   BUTTONS
   ===================================================== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-2) var(--spacing-4);
    font-family: var(--font-primary);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-medium);
    line-height: 1.5;
    color: var(--color-text-primary);
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    cursor: pointer;
    user-select: none;
    transition: all var(--transition-fast) var(--transition-easing-standard);
    gap: var(--spacing-2);
    text-decoration: none;
}

.btn:hover {
    background-color: var(--color-gray-50);
    text-decoration: none;
}

.btn-primary {
    background-color: var(--color-primary-600);
    border-color: var(--color-primary-600);
    color: white;
}

.btn-primary:hover {
    background-color: var(--color-primary-700);
    border-color: var(--color-primary-700);
}

.btn-text {
    background-color: transparent;
    border-color: transparent;
    color: var(--color-primary-600);
}

.btn-text:hover {
    background-color: var(--color-primary-50);
}

.btn-icon {
    padding: var(--spacing-2);
    background: transparent;
    border: 1px solid transparent;
    position: relative;
}

.btn-icon:hover {
    background-color: var(--color-gray-100);
}

.btn-sm {
    padding: var(--spacing-1) var(--spacing-3);
    font-size: var(--font-size-sm);
}

/* =====================================================
   CARDS
   ===================================================== */

.card {
    background: white;
    border-radius: var(--radius-md);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    overflow: hidden;
}

.card-header {
    padding: var(--spacing-3) var(--spacing-4);
    border-bottom: 1px solid var(--color-divider);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--color-gray-50);
}

.card-title {
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    margin: 0;
}

.card-body {
    padding: var(--spacing-4);
}

/* =====================================================
   TABLES
   ===================================================== */

.table {
    width: 100%;
    border-collapse: collapse;
}

.table th {
    padding: var(--spacing-2) var(--spacing-3);
    text-align: left;
    font-weight: var(--font-weight-semibold);
    font-size: var(--font-size-xs);
    color: var(--color-text-secondary);
    background-color: var(--color-gray-50);
    border-bottom: 2px solid var(--color-divider);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.table td {
    padding: var(--spacing-2) var(--spacing-3);
    font-size: var(--font-size-sm);
    border-bottom: 1px solid var(--color-divider);
}

.table tbody tr:hover {
    background-color: var(--color-gray-50);
}

.table-responsive {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

/* =====================================================
   BADGES
   ===================================================== */

.badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.125rem 0.5rem;
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    line-height: 1.5;
    border-radius: var(--radius-full);
    white-space: nowrap;
}

.badge-primary {
    background-color: var(--color-primary-100);
    color: var(--color-primary-700);
}

.badge-success {
    background-color: var(--color-success-100);
    color: var(--color-success-700);
}

.badge-warning {
    background-color: var(--color-warning-100);
    color: var(--color-warning-700);
}

.badge-danger {
    background-color: var(--color-error-100);
    color: var(--color-error-700);
}

.badge-info {
    background-color: var(--color-info-100);
    color: var(--color-info-700);
}

/* Position absolute badge for notifications */
.badge-notification {
    position: absolute;
    top: -4px;
    right: -4px;
    font-size: 10px;
    padding: 0.1rem 0.3rem;
    min-width: 16px;
}

/* =====================================================
   DROPDOWNS (Click-based)
   ===================================================== */

.dropdown {
    position: relative;
    display: inline-block;
}

.dropdown-content {
    display: none;
    position: absolute;
    background: white;
    min-width: 200px;
    box-shadow: 0 8px 16px rgba(0,0,0,0.1);
    border-radius: var(--radius-md);
    z-index: var(--z-dropdown);
    border: 1px solid var(--color-divider);
    margin-top: var(--spacing-2);
}

.dropdown-content.show {
    display: block;
}

.dropdown-item {
    display: block;
    padding: var(--spacing-2) var(--spacing-3);
    color: var(--color-text-primary);
    text-decoration: none;
    font-size: var(--font-size-sm);
    transition: background-color var(--transition-fast);
}

.dropdown-item:hover {
    background-color: var(--color-gray-50);
    text-decoration: none;
}

.dropdown-divider {
    height: 1px;
    background: var(--color-divider);
    margin: var(--spacing-1) 0;
}

.dropdown-header {
    padding: var(--spacing-2) var(--spacing-3);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-secondary);
    border-bottom: 1px solid var(--color-divider);
    font-size: var(--font-size-sm);
}

/* =====================================================
   AVATARS
   ===================================================== */

.avatar {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    background-color: var(--color-gray-300);
    color: var(--color-gray-600);
    font-weight: var(--font-weight-medium);
}

.avatar-sm {
    width: 32px;
    height: 32px;
    font-size: var(--font-size-sm);
}

/* =====================================================
   PROGRESS BARS
   ===================================================== */

.progress {
    height: 6px;
    background-color: var(--color-gray-200);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    background-color: var(--color-primary-500);
    transition: width var(--transition-base) var(--transition-easing-standard);
}

.progress-bar.bg-success {
    background-color: var(--color-success-500);
}

.progress-bar.bg-warning {
    background-color: var(--color-warning-500);
}

.progress-bar.bg-info {
    background-color: var(--color-info-500);
}

/* =====================================================
   SPINNERS
   ===================================================== */

.spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid var(--color-gray-200);
    border-top-color: var(--color-primary-600);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.spinner-primary {
    border-top-color: var(--color-primary-600);
}

/* =====================================================
   TOAST NOTIFICATIONS
   ===================================================== */

.toast-container {
    position: fixed;
    top: calc(var(--topbar-height) + var(--spacing-4));
    right: var(--spacing-4);
    z-index: var(--z-notification);
    pointer-events: none;
}

.toast {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    min-width: 300px;
    max-width: 500px;
    padding: var(--spacing-4);
    margin-bottom: var(--spacing-3);
    background-color: var(--color-surface);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    pointer-events: auto;
    opacity: 0;
    transform: translateX(100%);
    transition: all var(--transition-base) var(--transition-easing-standard);
}

.toast.show {
    opacity: 1;
    transform: translateX(0);
}

.toast-success {
    border-left: 4px solid var(--color-success-500);
}

.toast-error {
    border-left: 4px solid var(--color-error-500);
}

/* =====================================================
   LAYOUT UTILITIES
   ===================================================== */

.container {
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-4);
}

.grid {
    display: grid;
}

.grid-cols-1 { grid-template-columns: repeat(1, minmax(0, 1fr)); }
.grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }

@media (min-width: 1024px) {
    .lg\:grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

.gap-3 { gap: var(--spacing-3); }
.gap-4 { gap: var(--spacing-4); }
.gap-6 { gap: var(--spacing-6); }

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

/* Display */
.d-none { display: none; }
.d-block { display: block; }
.d-flex { display: flex; }

/* Flexbox */
.flex-1 { flex: 1; }
.align-center { align-items: center; }
.justify-center { justify-content: center; }

/* Margins */
.mb-3 { margin-bottom: var(--spacing-3); }
.mb-4 { margin-bottom: var(--spacing-4); }
.mb-6 { margin-bottom: var(--spacing-6); }
.ml-1 { margin-left: var(--spacing-1); }
.ml-3 { margin-left: var(--spacing-3); }

/* Text */
.text-xs { font-size: var(--font-size-xs); }
.text-sm { font-size: var(--font-size-sm); }
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-muted { color: var(--color-text-secondary); }
.text-primary { color: var(--color-primary-600); }
.text-success { color: var(--color-success-600); }
.text-warning { color: var(--color-warning-600); }
.text-info { color: var(--color-info-600); }

.font-semibold { font-weight: var(--font-weight-semibold); }

/* Width */
.w-100 { width: 100%; }

/* Opacity */
.opacity-75 { opacity: 0.75; }

/* =====================================================
   RESPONSIVE DESIGN
   ===================================================== */

@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
        transition: transform 0.3s ease;
    }
    
    .sidebar.open {
        transform: translateX(0);
    }
    
    .main-wrapper {
        margin-left: 0;
    }
    
    .hide-mobile {
        display: none !important;
    }
}

@media (min-width: 769px) {
    .hide-desktop {
        display: none !important;
    }
}

/* =====================================================
   DARK THEME
   ===================================================== */

[data-theme="dark"] {
    --color-background: var(--color-gray-900);
    --color-surface: var(--color-gray-800);
    --color-text-primary: var(--color-gray-100);
    --color-text-secondary: var(--color-gray-400);
    --color-text-tertiary: var(--color-gray-500);
    --color-border: var(--color-gray-700);
    --color-divider: var(--color-gray-700);
}

[data-theme="dark"] .topbar {
    background: var(--color-gray-800);
    border-color: var(--color-gray-700);
}

[data-theme="dark"] .card {
    background: var(--color-gray-800);
}

[data-theme="dark"] .card-header {
    background: var(--color-gray-900);
}

[data-theme="dark"] .dropdown-content {
    background: var(--color-gray-800);
    border-color: var(--color-gray-700);
}

[data-theme="dark"] .dropdown-item:hover {
    background: var(--color-gray-700);
}

[data-theme="dark"] .table th {
    background: var(--color-gray-900);
}

[data-theme="dark"] .table tbody tr:hover {
    background: var(--color-gray-700);
}

/* END OF MAIN CSS */