/* ========================================
   NEXTSTEP DESIGN SYSTEM - 2025
   Modern SaaS UI - Refined & Accessible
   ======================================== */

/* --- Google Fonts --- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');

/* --- CSS Variables (Design Tokens) --- */
:root {
    /* Brand Colors */
    --primary-color: #0066FF;
    --primary-hover: #0052CC;
    --primary-light: #E6F0FF;
    --secondary-color: #00D9A3;
    --secondary-hover: #00C792;
    
    /* Neutral Colors - Light Mode */
    --background: #FFFFFF;
    --surface: #F8F9FA;
    --surface-elevated: #FFFFFF;
    --text-primary: #1A1A1A;
    --text-secondary: #6B7280;
    --text-tertiary: #9CA3AF;
    --border-color: #E5E7EB;
    
    /* Footer Navy */
    --footer-navy: #1E293B;
    
    /* Status Colors */
    --success: #10B981;
    --warning: #F59E0B;
    --error: #EF4444;
    --info: #3B82F6;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    --spacing-4xl: 6rem;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --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);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    
    /* Typography */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    
    /* Transitions */
    --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);
}

/* Theme Toggle Button - Apple Style */
.theme-toggle {
    position: relative;
    background: linear-gradient(135deg, #FFFFFF 0%, #F5F5F7 100%) !important;
    border: 1px solid rgba(0, 0, 0, 0.1) !important;
    border-radius: 24px !important;
    padding: 0 !important;
    cursor: pointer;
    display: inline-flex !important;
    align-items: center;
    justify-content: center;
    width: 52px;
    height: 32px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1), 
                0 0 0 0.5px rgba(0, 0, 0, 0.05);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    margin-left: 0.75rem;
    overflow: hidden;
}

/* Slider background circle */
.theme-toggle::before {
    content: '';
    position: absolute;
    top: 2px;
    left: 2px;
    width: 28px;
    height: 28px;
    background: linear-gradient(135deg, #007AFF 0%, #5856D6 100%);
    border-radius: 50%;
    box-shadow: 0 2px 5px rgba(0, 122, 255, 0.3),
                0 0 0 0.5px rgba(255, 255, 255, 0.2) inset;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 1;
}

/* Icon container */
.theme-toggle svg {
    position: absolute;
    width: 18px;
    height: 18px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 2;
}

/* Light icon (sun) - visible by default */
.theme-icon-light {
    left: 7px;
    opacity: 1;
    color: #FF9500;
}

/* Dark icon (moon) - hidden by default */
.theme-icon-dark {
    right: 7px;
    opacity: 0;
    color: #FFD60A;
}

/* Hover state */
.theme-toggle:hover {
    transform: scale(1.05);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15),
                0 0 0 0.5px rgba(0, 0, 0, 0.1);
}

.theme-toggle:hover::before {
    box-shadow: 0 3px 8px rgba(0, 122, 255, 0.4),
                0 0 0 0.5px rgba(255, 255, 255, 0.3) inset;
}

/* Active state */
.theme-toggle:active {
    transform: scale(0.95);
}

/* Dark mode styles */
[data-theme="dark"] .theme-toggle {
    background: linear-gradient(135deg, #2C2C2E 0%, #1C1C1E 100%) !important;
    border-color: rgba(255, 255, 255, 0.15) !important;
}

[data-theme="dark"] .theme-toggle::before {
    background: linear-gradient(135deg, #32D74B 0%, #30D158 100%);
    transform: translateX(20px);
    box-shadow: 0 2px 5px rgba(50, 215, 75, 0.4),
                0 0 0 0.5px rgba(255, 255, 255, 0.1) inset;
}

[data-theme="dark"] .theme-icon-light {
    opacity: 0;
    left: -20px;
}

[data-theme="dark"] .theme-icon-dark {
    opacity: 1;
}

[data-theme="dark"] .theme-toggle:hover::before {
    box-shadow: 0 3px 8px rgba(50, 215, 75, 0.5),
                0 0 0 0.5px rgba(255, 255, 255, 0.2) inset;
}

/* Mobile optimizations */
@media (max-width: 768px) {
    .theme-toggle {
        width: 48px;
        height: 30px;
        margin-left: 0.5rem;
    }
    
    .theme-toggle::before {
        width: 26px;
        height: 26px;
        top: 2px;
        left: 2px;
    }
    
    .theme-icon-light,
    .theme-icon-dark {
        width: 16px;
        height: 16px;
    }
    
    [data-theme="dark"] .theme-toggle::before {
        transform: translateX(18px);
    }
}

/* Safari specific adjustments */
@supports (-webkit-touch-callout: none) {
    .theme-toggle {
        -webkit-tap-highlight-color: transparent;
    }
}

/* Dark Mode Variables */
[data-theme="dark"] {
    --background: #0F1419;
    --surface: #1A1F2E;
    --surface-elevated: #242B3D;
    --text-primary: #F9FAFB;
    --text-secondary: #D1D5DB;
    --text-tertiary: #9CA3AF;
    --border-color: #374151;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.6);
    
    /* Dark mode specific gradients */
    --primary-light: rgba(0, 102, 255, 0.15);
    
    /* Dark mode override for footer navy */
    --footer-navy: #0A0E14;
}

/* Ensure body and html respect dark theme */
[data-theme="dark"] body,
[data-theme="dark"] html {
    background-color: var(--background);
    color: var(--text-primary);
}

/* Dark mode for all text elements */
[data-theme="dark"] h1,
[data-theme="dark"] h2,
[data-theme="dark"] h3,
[data-theme="dark"] h4,
[data-theme="dark"] h5,
[data-theme="dark"] h6 {
    color: var(--text-primary);
}

[data-theme="dark"] p {
    color: var(--text-secondary);
}

[data-theme="dark"] label {
    color: var(--text-primary);
}

/* Dark Mode Overrides for better contrast */
[data-theme="dark"] .card {
    background-color: var(--surface-elevated);
    border: 1px solid var(--border-color);
}

[data-theme="dark"] .btn-secondary {
    background-color: var(--surface-elevated);
    border-color: var(--border-color);
    color: var(--text-primary);
}

[data-theme="dark"] .navbar-brand,
[data-theme="dark"] .nav-link {
    color: var(--text-primary) !important;
}

[data-theme="dark"] .form-control,
[data-theme="dark"] .form-select {
    background-color: var(--background);
    color: var(--text-primary);
    border-color: var(--border-color);
}

[data-theme="dark"] .form-control:focus,
[data-theme="dark"] .form-select:focus {
    background-color: var(--surface-elevated);
    border-color: var(--primary-color);
}

[data-theme="dark"] input[type="range"] {
    background: var(--border-color);
}

[data-theme="dark"] input[type="range"]::-webkit-slider-thumb {
    background: var(--primary-color);
    box-shadow: 0 0 0 4px var(--background);
}

/* Dark mode for range input value displays */
[data-theme="dark"] .range-value {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
}

/* Dark mode for match score */
[data-theme="dark"] .match-score {
    background: linear-gradient(135deg, var(--success) 0%, #059669 100%);
}

/* Dark mode for meta items */
[data-theme="dark"] .meta-item {
    color: var(--text-tertiary);
}

/* Dark mode for tags */
[data-theme="dark"] .tag {
    background-color: var(--surface);
    border-color: var(--border-color);
    color: var(--text-secondary);
}

[data-theme="dark"] .tag.primary {
    background: linear-gradient(135deg, var(--primary-light) 0%, rgba(0, 217, 163, 0.2) 100%);
    border-color: var(--primary-color);
    color: var(--primary-color);
}

/* Dark mode for buttons */
[data-theme="dark"] .btn-expand {
    color: var(--primary-color);
}

[data-theme="dark"] .btn-expand:hover {
    color: var(--primary-hover);
}

/* Dark mode for loading card */
[data-theme="dark"] .loading-card {
    background-color: var(--surface-elevated);
    border-color: var(--border-color);
}

/* Dark mode for spinner */
[data-theme="dark"] .spinner-border {
    border-color: var(--primary-light);
    border-top-color: var(--primary-color);
}

/* Dark mode for loading message */
[data-theme="dark"] .loading-message {
    background: linear-gradient(135deg, var(--primary-light) 0%, rgba(0, 217, 163, 0.1) 100%);
    border-color: var(--border-color);
}

/* Dark mode for task id */
[data-theme="dark"] .task-id {
    background-color: var(--surface);
    color: var(--text-tertiary);
}

/* Dark mode for loading steps */
[data-theme="dark"] .loading-step {
    color: var(--text-secondary);
}

[data-theme="dark"] .loading-step.active {
    color: var(--primary-color);
}

[data-theme="dark"] .loading-step.completed {
    opacity: 0.4;
}

[data-theme="dark"] .bg-light {
    background-color: var(--surface) !important;
}

[data-theme="dark"] .text-muted {
    color: var(--text-tertiary) !important;
}

[data-theme="dark"] .spinner-border {
    color: var(--primary-color);
    border-color: rgba(255, 255, 255, 0.1);
    border-top-color: var(--primary-color);
}

[data-theme="dark"] .bg-light {
    background-color: var(--surface) !important;
}

[data-theme="dark"] .hero::before {
    background: radial-gradient(circle, rgba(0, 102, 255, 0.1) 0%, transparent 70%);
}

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

[data-theme="dark"] .testimonial {
    background-color: var(--surface-elevated);
    border-color: var(--border-color);
}

[data-theme="dark"] .pricing-card {
    background-color: var(--surface-elevated);
    border-color: var(--border-color);
}

[data-theme="dark"] .pricing-card.featured {
    border-color: var(--primary-color);
}

[data-theme="dark"] .job-card,
[data-theme="dark"] .loading-card,
[data-theme="dark"] .search-card {
    background-color: var(--surface-elevated);
    border-color: var(--border-color);
}

[data-theme="dark"] .alert-warning {
    background-color: rgba(245, 158, 11, 0.15);
    border-color: var(--warning);
    color: var(--warning);
}

[data-theme="dark"] .alert-danger {
    background-color: rgba(239, 68, 68, 0.15);
    border-color: var(--error);
    color: var(--error);
}

[data-theme="dark"] .benefits {
    background: linear-gradient(135deg, rgba(0, 102, 255, 0.15) 0%, rgba(0, 217, 163, 0.1) 100%);
}

[data-theme="dark"] input[type="text"],
[data-theme="dark"] input[type="email"],
[data-theme="dark"] input[type="password"],
[data-theme="dark"] textarea {
    background-color: var(--background);
    color: var(--text-primary);
    border-color: var(--border-color);
}

[data-theme="dark"] input[type="text"]:focus,
[data-theme="dark"] input[type="email"]:focus,
[data-theme="dark"] input[type="password"]:focus,
[data-theme="dark"] textarea:focus {
    background-color: var(--surface-elevated);
    border-color: var(--primary-color);
    color: var(--text-primary);
}

[data-theme="dark"] input[type="text"]::placeholder,
[data-theme="dark"] input[type="email"]::placeholder,
[data-theme="dark"] input[type="password"]::placeholder,
[data-theme="dark"] textarea::placeholder {
    color: var(--text-tertiary);
}

[data-theme="dark"] .dropdown-menu {
    background-color: var(--surface-elevated);
    border-color: var(--border-color);
}

[data-theme="dark"] .dropdown-item {
    color: var(--text-primary);
}

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

/* --- Base Styles --- */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* Smooth transitions for theme switching - Best Practice 2025 */
* {
    transition: background-color var(--transition-base), 
                border-color var(--transition-base),
                color var(--transition-base);
}

/* Exclude certain elements from transitions for performance */
.theme-toggle *,
.navbar *,
button *,
svg * {
    transition: none;
}

/* --- 2025 Best Practices: Microinteractions --- */
.card,
.stat-card,
.job-card,
.activity-item {
    cursor: pointer;
}

/* Smooth scale on interaction */
.card:active,
.btn:active {
    transform: scale(0.98);
}

/* Hover ripple effect for cards */
.stat-card::after,
.action-card::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.stat-card:hover::after,
.action-card:hover::after {
    width: 300px;
    height: 300px;
}

/* --- 2025 Best Practices: Accessibility WCAG 2.1 --- */
*:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

*:focus-visible {
    outline: 3px solid var(--primary-color);
    outline-offset: 3px;
}

/* Skip to main content link for screen readers */
.skip-link {
    position: absolute;
    left: -9999px;
    top: 0;
    background: var(--primary-color);
    color: white;
    padding: 1rem;
    text-decoration: none;
    font-weight: 700;
    z-index: 10000;
}

.skip-link:focus {
    left: 50%;
    transform: translateX(-50%);
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    :root {
        --text-primary: #000000;
        --text-secondary: #333333;
        --border-color: #000000;
    }
    
    [data-theme="dark"] {
        --text-primary: #FFFFFF;
        --text-secondary: #E2E8F0;
        --border-color: #FFFFFF;
    }
}

/* --- Loading States 2025 --- */
.skeleton {
    background: linear-gradient(90deg, 
        var(--surface) 25%, 
        var(--surface-elevated) 50%, 
        var(--surface) 75%);
    background-size: 200% 100%;
    animation: loading 1.5s ease-in-out infinite;
}

@keyframes loading {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* Smooth page transitions */
.page-transition {
    animation: fadeIn 0.3s ease-in-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-sans);
    font-weight: 400;
    color: var(--text-primary);
    background-color: var(--background);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    transition: background-color var(--transition-base), color var(--transition-base);
}

/* --- Typography Hierarchy --- */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-sans);
    font-weight: 700;
    line-height: 1.2;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
    letter-spacing: -0.02em;
}

h1 {
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 800;
}

h2 {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 700;
}

h3 {
    font-size: clamp(1.5rem, 4vw, 2rem);
    font-weight: 700;
}

h4 {
    font-size: 1.25rem;
    font-weight: 600;
}

p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    font-size: 1rem;
    line-height: 1.7;
}

.lead {
    font-size: 1.25rem;
    line-height: 1.8;
    color: var(--text-secondary);
}

.text-gradient {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 800;
}

/* --- Buttons (CTA Bold + Uppercase) --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    font-weight: 700;
    font-size: 0.875rem;
    line-height: 1;
    border-radius: var(--radius-lg);
    border: none;
    cursor: pointer;
    transition: all var(--transition-base);
    text-decoration: none;
    white-space: nowrap;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-hover) 100%);
    color: white;
    box-shadow: var(--shadow-md);
}

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

.btn-secondary {
    background-color: var(--surface-elevated);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background-color: var(--surface);
    border-color: var(--primary-color);
    transform: translateY(-2px);
}

.btn-ghost {
    background-color: transparent;
    color: var(--text-secondary);
}

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

.btn-lg {
    padding: var(--spacing-lg) var(--spacing-2xl);
    font-size: 1rem;
}

.btn-sm {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 0.75rem;
}

/* --- Cards --- */
.card {
    background-color: var(--surface-elevated);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
    transition: all var(--transition-base);
}

.card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.card-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

.card-text {
    color: var(--text-secondary);
    font-size: 1rem;
    line-height: 1.7;
}

/* --- Navbar --- */
.navbar {
    background-color: rgba(255, 255, 255, 0.8) !important;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    transition: all var(--transition-base);
}

[data-theme="dark"] .navbar {
    background-color: rgba(15, 20, 25, 0.8) !important;
}

.navbar-brand {
    font-weight: 800;
    font-size: 1.5rem;
    color: var(--text-primary) !important;
    transition: color var(--transition-base);
}

.nav-link {
    color: var(--text-secondary) !important;
    font-weight: 500;
    padding: var(--spacing-sm) var(--spacing-md) !important;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.nav-link:hover {
    color: var(--primary-color) !important;
    background-color: var(--primary-light);
}

/* --- Hero Section --- */
.hero {
    padding: var(--spacing-4xl) 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 50%;
    height: 150%;
    background: radial-gradient(circle, var(--primary-light) 0%, transparent 70%);
    opacity: 0.4;
    pointer-events: none;
}

.hero-title {
    margin-bottom: var(--spacing-lg);
    animation: fadeInUp 0.8s ease-out;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-2xl);
    animation: fadeInUp 0.8s ease-out 0.2s backwards;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.hero-cta {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 0.8s ease-out 0.4s backwards;
}

/* --- Features Section --- */
.features {
    padding: var(--spacing-4xl) 0;
    background-color: var(--surface);
}

.feature-card {
    text-align: center;
    padding: var(--spacing-2xl);
    height: 100%;
}

.feature-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto var(--spacing-lg);
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
}

/* --- Pricing Cards --- */
.pricing-card {
    position: relative;
    padding: var(--spacing-2xl);
    border-radius: var(--radius-2xl);
    background-color: var(--surface-elevated);
    border: 2px solid var(--border-color);
    transition: all var(--transition-base);
}

.pricing-card.featured {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-xl);
    transform: scale(1.05);
}

.pricing-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.pricing-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.price {
    font-size: 3rem;
    font-weight: 800;
    color: var(--text-primary);
}

.price-period {
    color: var(--text-secondary);
    font-size: 1rem;
}

.pricing-features {
    list-style: none;
    padding: 0;
    margin: var(--spacing-xl) 0;
}

.pricing-features li {
    padding: var(--spacing-sm) 0;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.pricing-features li::before {
    content: "✓";
    color: var(--success);
    font-weight: bold;
    font-size: 1.25rem;
}

/* --- Testimonials --- */
.testimonial {
    padding: var(--spacing-xl);
    background-color: var(--surface-elevated);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
    transition: all var(--transition-base);
}

.testimonial:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.testimonial-avatar {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-full);
    margin-bottom: var(--spacing-md);
}

.testimonial-text {
    font-style: italic;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
}

.testimonial-author {
    font-weight: 600;
    color: var(--text-primary);
}

/* --- Mobile Dark Mode Toggle (alternative) --- */
.theme-toggle-mobile {
    position: relative;
    width: 50px;
    height: 28px;
    background-color: var(--border-color);
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: background-color var(--transition-base);
}

.theme-toggle-mobile::before {
    content: '';
    position: absolute;
    top: 3px;
    left: 3px;
    width: 22px;
    height: 22px;
    background-color: white;
    border-radius: var(--radius-full);
    transition: transform var(--transition-base);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

[data-theme="dark"] .theme-toggle-mobile {
    background-color: var(--primary-color);
}

[data-theme="dark"] .theme-toggle-mobile::before {
    transform: translateX(22px);
}

/* --- Animations (Parsimonia) --- */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.7;
    }
}

.animate-pulse {
    animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

/* --- Splash Screen --- */
#splash-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    opacity: 1;
    transition: opacity var(--transition-slow);
}

#splash-screen.fade-out {
    opacity: 0;
    pointer-events: none;
}

.splash-logo {
    animation: pulse 2s ease-in-out infinite;
}

/* --- Utilities --- */
.container-custom {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.text-center {
    text-align: center;
}

.mt-1 { margin-top: var(--spacing-sm); }
.mt-2 { margin-top: var(--spacing-md); }
.mt-3 { margin-top: var(--spacing-lg); }
.mt-4 { margin-top: var(--spacing-xl); }
.mt-5 { margin-top: var(--spacing-2xl); }

.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }
.mb-3 { margin-bottom: var(--spacing-lg); }
.mb-4 { margin-bottom: var(--spacing-xl); }
.mb-5 { margin-bottom: var(--spacing-2xl); }

.py-1 { padding-top: var(--spacing-sm); padding-bottom: var(--spacing-sm); }
.py-2 { padding-top: var(--spacing-md); padding-bottom: var(--spacing-md); }
.py-3 { padding-top: var(--spacing-lg); padding-bottom: var(--spacing-lg); }
.py-4 { padding-top: var(--spacing-xl); padding-bottom: var(--spacing-xl); }
.py-5 { padding-top: var(--spacing-2xl); padding-bottom: var(--spacing-2xl); }

/* --- Responsive --- */
@media (max-width: 768px) {
    html {
        font-size: 14px;
    }
    
    body {
        font-size: 14px;
    }
    
    .hero {
        padding: var(--spacing-2xl) 0;
    }
    
    .hero-cta {
        flex-direction: column;
        align-items: stretch;
    }
    
    .btn {
        width: 100%;
        padding: var(--spacing-md) var(--spacing-lg);
    }
    
    .pricing-card.featured {
        transform: scale(1);
    }
    
    /* Improved mobile navigation */
    .navbar {
        padding: var(--spacing-md) var(--spacing-lg);
    }
    
    .navbar-collapse {
        background-color: var(--surface-elevated);
        border-radius: var(--radius-lg);
        padding: var(--spacing-md);
        margin-top: var(--spacing-md);
        box-shadow: var(--shadow-lg);
        margin-left: calc(-1 * var(--spacing-lg));
        margin-right: calc(-1 * var(--spacing-lg));
    }
    
    .nav-link {
        padding: var(--spacing-sm) var(--spacing-md) !important;
        border-radius: var(--radius-md);
    }
    
    /* Mobile-friendly cards */
    .card {
        padding: var(--spacing-lg);
        margin-bottom: var(--spacing-lg);
    }
    
    /* Better spacing on mobile */
    .container {
        padding-left: var(--spacing-md);
        padding-right: var(--spacing-md);
    }
    
    /* Responsive text sizes */
    h1 { 
        font-size: clamp(2rem, 6vw, 2.5rem);
        line-height: 1.2;
    }
    h2 { 
        font-size: clamp(1.5rem, 5vw, 2rem);
        line-height: 1.2;
    }
    h3 { 
        font-size: clamp(1.25rem, 4vw, 1.5rem);
        line-height: 1.3;
    }
    h4 {
        font-size: clamp(1.1rem, 3vw, 1.25rem);
    }
    
    /* Mobile-friendly feature cards */
    .feature-card {
        padding: var(--spacing-lg);
        height: auto;
    }
    
    .feature-icon {
        width: 56px;
        height: 56px;
        font-size: 1.75rem;
    }
    
    /* Mobile-friendly pricing */
    .pricing-card {
        margin-bottom: var(--spacing-lg);
    }
    
    .price {
        font-size: 2.5rem;
    }
    
    /* Mobile-friendly testimonials */
    .testimonial {
        margin-bottom: var(--spacing-lg);
    }
    
    /* Mobile-friendly forms */
    .form-control,
    .form-select {
        font-size: 16px; /* Prevents zoom on iOS */
        padding: var(--spacing-md);
    }
    
    /* Mobile-friendly input groups */
    .input-group {
        flex-direction: column;
    }
    
    /* Search stats responsive */
    .search-stats {
        gap: var(--spacing-md);
    }
    
    .stat-item {
        font-size: 0.8rem;
    }
    
    /* Job cards mobile */
    .job-card {
        padding: var(--spacing-lg);
    }
    
    .job-title {
        font-size: 1.1rem;
    }
    
    .job-meta {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    /* Mobile navbar toggle */
    .navbar-toggler {
        padding: var(--spacing-xs);
    }
    
    /* Footer mobile */
    footer {
        padding: var(--spacing-2xl) var(--spacing-md);
    }
    
    footer .row > div {
        margin-bottom: var(--spacing-xl);
    }
}

/* Extra small devices */
@media (max-width: 480px) {
    html {
        font-size: 13px;
    }
    
    .hero-title {
        font-size: clamp(1.75rem, 8vw, 2.25rem);
    }
    
    .btn-lg {
        padding: var(--spacing-md) var(--spacing-lg);
        font-size: 0.875rem;
    }
    
    /* Stack elements vertically */
    .row > * {
        margin-bottom: var(--spacing-lg);
    }
    
    /* Compact spacing for forms */
    .form-group {
        margin-bottom: var(--spacing-md);
    }
}

/* Tablet optimization */
@media (min-width: 769px) and (max-width: 1024px) {
    .hero {
        padding: var(--spacing-3xl) 0;
    }
    
    .feature-card {
        padding: var(--spacing-xl);
    }
}

/* --- Dashboard Specific --- */
.dashboard-section {
    margin: var(--spacing-xl) 0;
    padding: var(--spacing-xl);
    background-color: var(--surface-elevated);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-sm);
}

.dashboard-section h3 {
    font-size: 1.5rem;
    color: var(--text-primary);
    margin-bottom: var(--spacing-lg);
}

/* Stats Cards */
.stat-card {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-hover) 100%);
    color: white;
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    transition: transform var(--transition-base);
}

.stat-card:hover {
    transform: translateY(-4px);
}

.stat-card h3 {
    color: white;
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
}

.stat-card p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.95rem;
}

/* --- Footer (Blu Notte #1E293B) --- */
footer {
    background-color: var(--footer-navy) !important;
    color: white !important;
    border-top: none;
    padding: var(--spacing-3xl) 0 var(--spacing-xl);
    margin-top: var(--spacing-4xl);
}

footer h5, footer h6 {
    color: white !important;
    font-weight: 700;
}

footer p {
    color: rgba(255, 255, 255, 0.8) !important;
}

footer a {
    color: rgba(255, 255, 255, 0.8) !important;
    text-decoration: none;
    transition: color var(--transition-fast);
}

footer a:hover {
    color: var(--secondary-color) !important;
}

footer .text-muted {
    color: rgba(255, 255, 255, 0.6) !important;
}

/* --- Accessibility (WCAG 2.2 Compliant) --- */
*:focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* High Contrast for Accessibility */
@media (prefers-contrast: high) {
    :root {
        --text-primary: #000000;
        --text-secondary: #333333;
        --border-color: #000000;
    }
    
    [data-theme="dark"] {
        --text-primary: #FFFFFF;
        --text-secondary: #E2E8F0;
        --border-color: #FFFFFF;
    }
}

/* Job Progress Bar Styles */
.job-progress-container {
    background: var(--card-bg);
    border-radius: var(--border-radius-lg);
    padding: 2rem;
    box-shadow: var(--shadow-lg);
    margin: 2rem 0;
    border: 1px solid var(--border-color);
}

.progress-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.progress-header h4 {
    margin: 0;
    color: var(--text-primary);
    font-weight: 600;
}

.progress-stats {
    display: flex;
    gap: 1rem;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.progress-bar-container {
    margin-bottom: 2rem;
}

.progress-bar {
    width: 100%;
    height: 8px;
    background: var(--bg-secondary);
    border-radius: 4px;
    overflow: hidden;
    position: relative;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    border-radius: 4px;
    transition: width 0.3s ease;
    position: relative;
}

.progress-fill::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    animation: shimmer 2s infinite;
}

@keyframes shimmer {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

.steps-container {
    margin-bottom: 2rem;
}

.step {
    display: flex;
    align-items: center;
    padding: 1rem;
    margin-bottom: 0.5rem;
    border-radius: var(--border-radius);
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
    opacity: 0.6;
}

.step.active {
    background: var(--primary-color-10);
    border-color: var(--primary-color);
    opacity: 1;
    transform: scale(1.02);
}

.step.completed {
    background: var(--success-color-10);
    border-color: var(--success-color);
    opacity: 1;
}

.step.error {
    background: var(--error-color-10);
    border-color: var(--error-color);
    opacity: 1;
}

.step-icon {
    font-size: 1.5rem;
    margin-right: 1rem;
    width: 2rem;
    text-align: center;
}

.step-content {
    flex: 1;
}

.step-name {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.step-description {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.step-status {
    width: 2rem;
    text-align: center;
}

.step-spinner {
    width: 1.5rem;
    height: 1.5rem;
    border: 2px solid var(--border-color);
    border-top: 2px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.progress-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.progress-details {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1rem;
    padding: 1rem;
    background: var(--bg-secondary);
    border-radius: var(--border-radius);
}

.detail-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.detail-label {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-bottom: 0.25rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.detail-value {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-primary);
}

/* Responsive */
@media (max-width: 768px) {
    .job-progress-container {
        padding: 1rem;
        margin: 1rem 0;
    }
    
    .progress-header {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
    
    .progress-stats {
        justify-content: center;
    }
    
    .step {
        padding: 0.75rem;
    }
    
    .step-icon {
        font-size: 1.25rem;
        margin-right: 0.75rem;
    }
    
    .progress-details {
        grid-template-columns: 1fr;
        gap: 0.75rem;
    }
}