/* ============================================
   Modern Theme - MNC Standard Edition
   Work4OneDollar 4-Color System
   ============================================ */

:root {
    /* ============================================
       LEGACY VARIABLES (Mapped to MNC 4-Color System)
       These provide backward compatibility
       ============================================ */
    
    /* Gradients - Only for special cases */
    --primary-gradient: linear-gradient(135deg, var(--primary) 0%, #00A3E0 100%);
    --accent-gradient: linear-gradient(135deg, var(--accent) 0%, var(--primary) 100%);
    
    /* Legacy Background Mappings */
    --bg-dark: var(--white);
    --bg-darker: var(--neutral-50);
    --bg-lighter: var(--neutral-100);
    --bg-card: var(--white);
    --bg-hover: var(--neutral-100);
    
    /* Legacy Text Mappings */
    /* Using new MNC system: --text-primary, --text-secondary, --text-tertiary */
    
    /* Legacy Accent Mappings */
    --accent-purple: var(--primary);
    --accent-pink: #FF6B6B;  /* Kept for special use */
    --accent-cyan: var(--accent);
    --accent-success: var(--success);
    --accent-warning: var(--warning);
    --accent-danger: var(--error);
    
    /* Legacy Border Mapping */
    --border-color: var(--border-default);
}

/* ============================================
   GLOBAL STYLES - MNC Standard
   ============================================ */

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

html {
    scroll-behavior: smooth;
}

body {
    background: var(--bg-dark);
    color: var(--text-primary);
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
    font-size: 1rem;
    line-height: 1.6;
    letter-spacing: 0.3px;
    overflow-x: hidden;
}

/* Remove default scrollbar styling for modern look */
::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

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

::-webkit-scrollbar-thumb {
    background: var(--accent-purple);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--accent-pink);
}

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

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.5px;
}

h1 {
    font-size: clamp(2rem, 6vw, 4rem);
}

h2 {
    font-size: clamp(1.8rem, 5vw, 3.2rem);
}

h3 {
    font-size: clamp(1.4rem, 4vw, 2.4rem);
}

h4 {
    font-size: 1.5rem;
}

h5 {
    font-size: 1.25rem;
}

h6 {
    font-size: 1.1rem;
}

p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
}

a {
    color: var(--accent-purple);
    text-decoration: none;
    transition: color var(--transition-base);
}

a:hover {
    color: var(--accent-pink);
}

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

.btn {
    font-weight: 600;
    font-size: 0.95rem;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-base);
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    text-decoration: none;
    white-space: nowrap;
    position: relative;
    overflow: hidden;
}

/* Primary Button */
.btn-primary {
    background: #2DCC70;
    color: #FFFFFF;
    box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
    background: #27AE5F;
    transform: translateY(-2px);
    box-shadow: 0 8px 16px rgba(45, 204, 112, 0.2);
}

.btn-primary:active {
    transform: translateY(0);
    background: #229954;
}

/* Secondary Button */
.btn-secondary {
    background: transparent;
    color: #0066FF;
    border: 2px solid #0066FF;
}

.btn-secondary:hover {
    background: #0066FF;
    color: #FFFFFF;
    border-color: #0052CC;
}

/* Accent Button */
.btn-accent {
    background: var(--secondary-gradient);
    color: var(--text-primary);
    box-shadow: var(--shadow-md);
}

.btn-accent:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

/* Outline Button */
.btn-outline {
    background: transparent;
    color: var(--accent-purple);
    border: 2px solid var(--accent-purple);
}

.btn-outline:hover {
    background: var(--accent-purple);
    color: var(--text-primary);
    box-shadow: var(--shadow-glow);
}

/* Ghost Button */
.btn-ghost {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--text-secondary);
}

.btn-ghost:hover {
    color: var(--accent-purple);
    border-color: var(--accent-purple);
}

/* Size Variants */
.btn-lg {
    padding: 1rem 2rem;
    font-size: 1.05rem;
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

/* Loading State */
.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.btn.loading::after {
    content: '';
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid transparent;
    border-top-color: currentColor;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin-left: 0.5rem;
}

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

/* ============================================
   NAVBAR / HEADER - MNC Standard (Light)
   ============================================ */

.navbar {
    background: rgba(255, 255, 255, 0.95) !important;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-default);
    padding: 0.75rem 0 !important;
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: all var(--transition-base);
}

.navbar.scrolled {
    box-shadow: var(--shadow-md);
}

.navbar-brand {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: all var(--transition-base);
    letter-spacing: -0.5px;
}

.navbar-brand:hover {
    color: var(--primary);
}

.navbar-brand i,
.navbar-brand .brand-icon {
    color: var(--primary);
}

.nav-link {
    color: var(--text-secondary) !important;
    font-weight: 500;
    transition: all var(--transition-base);
    position: relative;
    padding: 0.5rem 0.75rem !important;
}

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

.nav-link.active {
    color: var(--primary) !important;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0.75rem;
    right: 0.75rem;
    height: 2px;
    background: var(--primary);
    transform: scaleX(0);
    transition: transform var(--transition-base);
}

.nav-link:hover::after,
.nav-link.active::after {
    transform: scaleX(1);
}

/* Dropdown Menu - MNC Standard (Light) */
.dropdown-menu {
    background: var(--white) !important;
    border: 1px solid var(--border-default) !important;
    border-radius: var(--radius-lg) !important;
    box-shadow: var(--shadow-lg) !important;
    padding: 0.5rem !important;
}

.dropdown-item {
    color: var(--text-secondary) !important;
    transition: all var(--transition-base);
    font-weight: 500;
    padding: 0.5rem 1rem !important;
    border-radius: var(--radius-md);
}

.dropdown-item:hover {
    background: var(--neutral-100) !important;
    color: var(--text-primary) !important;
}

.dropdown-item.active,
.dropdown-item:active {
    background: var(--primary-light) !important;
    color: var(--primary) !important;
}

/* Navbar Toggler - MNC Standard */
.navbar-toggler {
    border: 1px solid var(--border-default) !important;
    transition: all var(--transition-base);
    padding: 0.5rem;
}

.navbar-toggler:hover {
    border-color: var(--primary) !important;
    background: var(--primary-light);
}

.navbar-toggler:focus {
    box-shadow: var(--shadow-focus);
}

.navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='%23374151' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

.dropdown-divider {
    border-color: var(--border-default) !important;
}

/* ============================================
   CARDS - MNC Standard
   ============================================ */

.card {
    background: var(--white);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
    overflow: hidden;
}

.card:hover {
    border-color: var(--border-default);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

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

.card-header {
    background: var(--neutral-50);
    border-bottom: 1px solid var(--border-default);
    padding: var(--spacing-lg) var(--spacing-xl);
}

.card-footer {
    background: var(--neutral-50);
    border-top: 1px solid var(--border-default);
    padding: var(--spacing-lg) var(--spacing-xl);
}

.card-title {
    color: var(--text-primary);
    font-weight: 700;
}

.card-text {
    color: var(--text-secondary);
}

/* Primary Card */
.card-primary {
    border-color: var(--primary);
    border-top-width: 3px;
}

.card-primary .card-header {
    background: var(--primary-light);
}

/* Accent Card */
.card-accent {
    border-color: var(--accent);
    border-top-width: 3px;
}

.card-accent .card-header {
    background: var(--accent-light);
}

/* ============================================
   FORM ELEMENTS - MNC Standard
   ============================================ */

.form-control,
.form-select,
textarea.form-control {
    background: var(--white);
    border: 1px solid var(--border-default);
    color: var(--text-primary);
    border-radius: var(--radius-md);
    padding: 0.75rem 1rem;
    font-size: 1rem;
    transition: all var(--transition-base);
}

.form-control:focus,
.form-select:focus,
textarea.form-control:focus {
    background: var(--white);
    border-color: var(--primary);
    color: var(--text-primary);
    box-shadow: var(--shadow-focus);
    outline: none;
}

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

.form-label {
    color: var(--text-primary);
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.form-text {
    color: var(--text-muted);
}

/* Checkbox & Radio - MNC Standard */
.form-check-input {
    width: 1.25rem;
    height: 1.25rem;
    border: 2px solid var(--border-strong);
    background: var(--white);
    cursor: pointer;
    transition: all var(--transition-base);
}

.form-check-input:checked {
    background: var(--primary);
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-light);
}

.form-check-input:focus {
    border-color: var(--primary);
    box-shadow: var(--shadow-focus);
}

/* ============================================
   ALERTS & BADGES - MNC Standard
   ============================================ */

.alert {
    border: 1px solid var(--border-default);
    border-radius: var(--radius-md);
    background: var(--white);
    color: var(--text-primary);
    padding: var(--spacing-lg);
}

.alert-primary {
    border-color: var(--info);
    background: var(--info-light);
    color: var(--info);
}

.alert-success {
    border-color: var(--success);
    background: var(--success-light);
    color: var(--success);
}

.alert-warning {
    border-color: var(--warning);
    background: var(--warning-light);
    color: var(--warning);
}

.alert-danger {
    border-color: var(--error);
    background: var(--error-light);
    color: var(--error);
}

.alert-info {
    border-color: var(--info);
    background: var(--info-light);
    color: var(--info);
}

/* Badge - MNC Standard */
.badge {
    font-weight: 600;
    padding: 0.35rem 0.75rem;
    border-radius: var(--radius-full);
    font-size: 0.8rem;
}

.badge-primary,
.bg-primary {
    background: var(--primary) !important;
    color: var(--white);
}

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

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

.badge-danger,
.bg-danger {
    background: var(--error) !important;
    color: var(--white);
}

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

.badge-secondary,
.bg-secondary {
    background: var(--neutral-200) !important;
    color: var(--text-secondary);
}

/* ============================================
   FOOTER - MNC Standard (Light Theme)
   ============================================ */

footer {
    background: var(--neutral-100);
    border-top: 1px solid var(--border-default);
    padding: 4rem 0 2rem;
    margin-top: auto;
}

footer h5 {
    color: var(--text-primary);
    margin-bottom: 1.25rem;
    font-weight: 700;
    letter-spacing: -0.3px;
    font-size: 1.1rem;
}

footer a {
    color: var(--text-secondary);
    transition: all var(--transition-base);
    font-weight: 500;
}

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

footer .social-links a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    background: var(--white);
    border: 1px solid var(--border-default);
    color: var(--text-secondary);
    font-size: 1.1rem;
    transition: all var(--transition-base);
}

footer .social-links a:hover {
    background: var(--primary);
    border-color: var(--primary);
    color: var(--white);
    transform: translateY(-2px);
}

footer .footer-section {
    margin-bottom: 2rem;
}

footer .footer-section p {
    line-height: 1.7;
    color: var(--text-muted);
}

footer .footer-divider {
    border-color: var(--border-default);
    margin: 2.5rem 0;
}

footer .footer-bottom {
    text-align: center;
    color: var(--text-muted);
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-default);
    font-weight: 500;
    font-size: 0.9rem;
}

footer .footer-bottom a {
    color: var(--text-secondary);
}

footer .footer-bottom a:hover {
    color: var(--primary);
}

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

/* Gradient Text - MNC uses solid colors, but keeping for brand elements */
.gradient-text {
    color: var(--primary);
}

/* Glassmorphism - Simplified for Light Theme */
.glass {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-lg);
}

/* Shimmer Animation */
@keyframes shimmer {
    0% {
        background-position: -1000px 0;
    }
    100% {
        background-position: 1000px 0;
    }
}

.shimmer {
    background: linear-gradient(
        90deg,
        var(--neutral-100) 0%,
        var(--neutral-200) 50%,
        var(--neutral-100) 100%
    );
    background-size: 1000px 100%;
    animation: shimmer 2s infinite;
}

/* Fade In Animation */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn var(--transition-slow) ease-out;
}

.fade-in-up {
    animation: fadeInUp var(--transition-slow) ease-out;
}

.fade-in-down {
    animation: fadeInDown var(--transition-slow) ease-out;
}

/* Scale Animation */
@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.95);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.scale-in {
    animation: scaleIn var(--transition-base) ease-out;
}

/* Subtle Shadow Effects - MNC Standard */
.shadow-hover {
    box-shadow: var(--shadow-md);
}

.shadow-lift {
    box-shadow: var(--shadow-lg);
}

/* Floating Animation */
@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

.float {
    animation: float 3s ease-in-out infinite;
}

/* Container */
.container-modern {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

/* Section Spacing */
section {
    scroll-margin-top: 80px;
}

.section-spacing {
    padding: 4rem 0;
}

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

@media (max-width: 768px) {
    :root {
        font-size: 14px;
    }
    
    h1 {
        font-size: 2rem;
    }
    
    h2 {
        font-size: 1.5rem;
    }
    
    .section-spacing {
        padding: 2rem 0;
    }
    
    .btn {
        padding: 0.65rem 1.25rem;
        font-size: 0.9rem;
    }
    
    .navbar {
        padding: 0.75rem 0 !important;
    }
    
    footer {
        padding: 2rem 0 1rem;
    }
}

@media (max-width: 480px) {
    h1 {
        font-size: 1.5rem;
    }
    
    h2 {
        font-size: 1.25rem;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
    
    .section-spacing {
        padding: 1.5rem 0;
    }
}

/* ============================================
   ACCESSIBILITY
   ============================================ */

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

/* MNC Light Theme - Default */
body {
    background: var(--bg-page);
    color: var(--text-primary);
}

/* Focus visible for accessibility - MNC Standard */
:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}