/* QR Pay Black & White Theme */
:root {
    --qr-black: #000000;
    --qr-white: #ffffff;
    --qr-gray-light: #f8f9fa;
    --qr-gray: #e9ecef;
    --qr-gray-dark: #6c757d;
    --qr-border: #dee2e6;
}

/* Override Bootstrap defaults for black & white theme */
body {
    background-color: var(--qr-white);
    color: var(--qr-black);
}

.btn-dark {
    background-color: var(--qr-black);
    border-color: var(--qr-black);
}

.btn-dark:hover {
    background-color: #333;
    border-color: #333;
}

.btn-outline-dark {
    color: var(--qr-black);
    border-color: var(--qr-black);
}

.btn-outline-dark:hover {
    background-color: var(--qr-black);
    border-color: var(--qr-black);
}

/* Left Sidebar */
.services-sidebar {
    position: fixed;
    left: 0;
    top: 0;
    bottom: 0;
    z-index: 100;
    background-color: var(--qr-white);
    border-right: 1px solid var(--qr-border);
    width: 250px;
    box-shadow: 2px 0 10px rgba(0, 0, 0, 0.05);
    transition: width 0.3s ease;
    display: flex;
    flex-direction: column;
}

.services-sidebar.collapsed {
    width: 60px;
}

.sidebar-toggle {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background-color: var(--qr-black);
    color: var(--qr-white);
    border: none;
    width: 30px;
    height: 30px;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    z-index: 10;
}

.services-sidebar.collapsed .sidebar-toggle {
    right: 15px;
}

.sidebar-toggle:hover {
    background-color: #333;
}

.services-sidebar-content {
    padding: 4rem 1rem 2rem 1rem;
    overflow-y: auto;
    flex: 1;
}

.services-sidebar.collapsed .services-sidebar-content {
    padding: 4rem 0.5rem 2rem 0.5rem;
}

.services-sidebar h5 {
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 1.5rem;
    color: var(--qr-gray-dark);
    transition: opacity 0.3s ease;
}

.services-sidebar.collapsed h5 {
    opacity: 0;
    height: 0;
    margin: 0;
    overflow: hidden;
}

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

.services-list li {
    margin-bottom: 1rem;
}

.services-list a {
    display: flex;
    align-items: center;
    color: var(--qr-black);
    text-decoration: none;
    padding: 0.75rem;
    border-radius: 0.25rem;
    transition: all 0.3s ease;
    position: relative;
}

.services-sidebar.collapsed .services-list a {
    justify-content: center;
    padding: 0.75rem 0.5rem;
}

.services-list a:hover {
    background-color: var(--qr-gray-light);
}

.services-sidebar:not(.collapsed) .services-list a:hover {
    transform: translateX(5px);
}

.services-list i {
    margin-right: 0.75rem;
    font-size: 1.25rem;
    transition: margin 0.3s ease;
}

.services-sidebar.collapsed .services-list i {
    margin-right: 0;
}

.services-list span {
    font-size: 0.875rem;
    transition: opacity 0.3s ease, width 0.3s ease;
    white-space: nowrap;
}

.services-sidebar.collapsed .services-list span {
    opacity: 0;
    width: 0;
    overflow: hidden;
}

/* Tooltip for collapsed sidebar */
.services-sidebar.collapsed .services-list a::after {
    content: attr(title);
    position: absolute;
    left: 100%;
    top: 50%;
    transform: translateY(-50%);
    background-color: var(--qr-black);
    color: var(--qr-white);
    padding: 0.5rem 1rem;
    margin-left: 1rem;
    border-radius: 4px;
    font-size: 0.875rem;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.services-sidebar.collapsed .services-list a:hover::after {
    opacity: 1;
}

/* Main content offset for sidebar */
@media (min-width: 992px) {
    body {
        padding-left: 250px;
        padding-top: 0;
        transition: padding-left 0.3s ease;
    }
    
    body.sidebar-collapsed {
        padding-left: 60px;
    }
    
    #top-navbar {
        right: 0;
        transition: left 0.3s ease;
    }
    
}

/* Hero Section */
.qr-hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background-color: var(--qr-white);
    position: relative;
    overflow: hidden;
}

.qr-hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -25%;
    width: 100%;
    height: 200%;
    background: linear-gradient(45deg, transparent 48%, var(--qr-gray-light) 50%, transparent 52%);
    transform: rotate(15deg);
    z-index: 0;
}

.qr-hero .container {
    position: relative;
    z-index: 1;
    max-width: 1140px;
}

.qr-hero h1 {
    font-weight: 900;
    letter-spacing: -0.02em;
    color: var(--qr-black);
}

.qr-hero .lead {
    color: var(--qr-gray-dark);
}

.hero-buttons {
    margin-top: 2rem;
}

/* QR Code Display */
.qr-code-hero {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 2rem;
}

.qr-code-display {
    position: relative;
    padding: 2rem;
    background-color: var(--qr-white);
    border: 2px solid var(--qr-black);
    border-radius: 1rem;
    box-shadow: 10px 10px 0 var(--qr-black);
}

.qr-placeholder {
    width: 250px;
    height: 250px;
    background: repeating-linear-gradient(
        0deg,
        var(--qr-black),
        var(--qr-black) 10px,
        var(--qr-white) 10px,
        var(--qr-white) 20px
    );
}

/* Features Section */
.features-section {
    padding: 5rem 0;
    background-color: var(--qr-gray-light);
}

.feature-card {
    background-color: var(--qr-white);
    padding: 2rem;
    height: 100%;
    text-align: center;
    border: 1px solid var(--qr-border);
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    color: var(--qr-black);
}

.feature-card h4 {
    color: var(--qr-black);
    margin-bottom: 1rem;
}

.feature-card p {
    color: var(--qr-gray-dark);
}

/* Services Section */
.services-section {
    padding: 5rem 0;
}

.services-section .row {
    margin-bottom: 5rem;
}

.services-section .row:last-child {
    margin-bottom: 0;
}

.service-content {
    padding: 2rem;
}

.service-content h3 {
    color: var(--qr-black);
    margin-bottom: 1.5rem;
}

.service-content p {
    color: var(--qr-gray-dark);
    margin-bottom: 2rem;
}

.service-features {
    list-style: none;
    padding: 0;
}

.service-features li {
    margin-bottom: 1rem;
    color: var(--qr-gray-dark);
}

.service-features i {
    color: var(--qr-black);
    margin-right: 0.5rem;
}

.service-image {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
    padding: 2rem;
}

.image-placeholder {
    width: 100%;
    height: 300px;
    background-color: var(--qr-gray-light);
    border: 2px solid var(--qr-black);
    position: relative;
}

.image-placeholder::after {
    content: '';
    position: absolute;
    top: 10px;
    left: 10px;
    right: -10px;
    bottom: -10px;
    border: 2px solid var(--qr-black);
    z-index: -1;
}

/* Stats Section */
.stats-section {
    padding: 5rem 0;
    background-color: var(--qr-black);
    color: var(--qr-white);
}

.stat-card {
    padding: 2rem;
}

.stat-number {
    font-size: 3rem;
    font-weight: 900;
    margin-bottom: 0.5rem;
    color: var(--qr-white);
}

.stat-label {
    color: var(--qr-white);
    opacity: 0.8;
}

/* CTA Section */
.cta-section {
    padding: 5rem 0;
    background-color: var(--qr-gray-light);
}

.cta-section h2 {
    color: var(--qr-black);
}

.cta-buttons {
    margin-top: 2rem;
}

/* Mobile Sidebar */
@media (max-width: 991px) {
    body {
        padding-left: 0;
        padding-top: 0;
    }
    
    .services-sidebar {
        display: none !important;
    }
    
    /* Add services to mobile menu */
    .mobile-services {
        border-top: 1px solid var(--qr-border);
        margin-top: 1rem;
        padding-top: 1rem;
    }
    
    .mobile-services .nav-link {
        padding-left: 2rem;
    }
}

/* Navbar adjustments */
#top-navbar {
    background-color: var(--qr-white) !important;
    border-bottom: 1px solid var(--qr-border);
}

#top-navbar .nav-link {
    color: var(--qr-black) !important;
}

#top-navbar .nav-link:hover {
    background-color: var(--qr-gray-light);
}

#top-navbar .nav-link.active {
    background-color: var(--qr-black);
    color: var(--qr-white) !important;
}

/* Footer adjustments */
footer {
    background-color: var(--qr-gray-light);
    border-top: 1px solid var(--qr-border);
}

footer .nav-link {
    color: var(--qr-black);
}

footer .nav-link:hover {
    color: var(--qr-gray-dark);
}

/* Utility classes */
.text-qr-gray {
    color: var(--qr-gray-dark) !important;
}

.bg-qr-gray {
    background-color: var(--qr-gray-light) !important;
}

.border-qr {
    border-color: var(--qr-border) !important;
}

/* Animations */
.services-sidebar a.active {
    background-color: var(--qr-black);
    color: var(--qr-white);
}

.services-sidebar a.active i {
    color: var(--qr-white);
}

.feature-card,
.stat-card {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s ease;
}

.feature-card.animated,
.stat-card.animated {
    opacity: 1;
    transform: translateY(0);
}

.qr-placeholder {
    transition: opacity 0.3s ease;
}

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}

/* Remove link styling from logo */
.navbar-brand:hover img {
    transform: scale(1.05);
    transition: transform 0.3s ease;
}

/* Payment Page Styles */
.payment-section {
    padding: 80px 0;
    min-height: calc(100vh - 200px);
    background: linear-gradient(180deg, #fafafa 0%, #ffffff 100%);
}

.payment-card {
    border-radius: 12px;
    overflow: hidden;
    border: none;
    box-shadow: 0 10px 40px rgba(0,0,0,0.1);
}

.payment-card .card-header {
    border-radius: 0;
    padding: 1.25rem;
    background-color: #000 !important;
    color: #fff !important;
    border: none;
}

.payment-card .card-header h4 {
    color: #fff !important;
}

.payment-method-btn {
    border-width: 2px;
    padding: 12px 20px;
    text-align: left;
    position: relative;
    transition: all 0.3s ease;
}

.payment-method-btn:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.payment-method-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.payment-method-btn i {
    font-size: 1.25rem;
    margin-right: 10px;
}

.payment-reference {
    padding: 4px 8px;
    background-color: #f5f5f5;
    border-radius: 4px;
    font-size: 0.9rem;
}