/* ====================================
   Website Bán Tài Khoản Nextdoor & LinkedIn
   Custom CSS with Bootstrap 5
   ==================================== */

/* Google Fonts - Inter (Clean & Readable) */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

/* CSS Variables */
:root {
    /* Primary Colors */
    --linkedin-blue: #0A66C2;
    --linkedin-dark: #004182;
    --nextdoor-green: #8CC63F;
    --nextdoor-dark: #6BA830;

    /* Neutral Colors */
    --dark-bg: #0F0F1A;
    --dark-card: #1A1A2E;
    --dark-border: #2D2D44;
    --light-bg: #F8F9FA;
    --light-card: #FFFFFF;

    /* Gradient */
    --gradient-primary: linear-gradient(135deg, var(--linkedin-blue) 0%, var(--nextdoor-green) 100%);
    --gradient-dark: linear-gradient(180deg, var(--dark-bg) 0%, var(--dark-card) 100%);

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.2);
    --shadow-glow: 0 0 30px rgba(10, 102, 194, 0.3);

    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 30px;

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'UTM Avo', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--dark-bg);
    color: #E4E4E7;
    line-height: 1.7;
    font-size: 15px;
    letter-spacing: 0.01em;
    overflow-x: hidden;
}

/* Selection */
::selection {
    background: var(--linkedin-blue);
    color: white;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

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

::-webkit-scrollbar-thumb {
    background: var(--dark-border);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--linkedin-blue);
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: 700;
    color: #FFFFFF;
    margin-bottom: 1rem;
}

.text-gradient {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ====================================
   Navbar
   ==================================== */
.navbar {
    background: rgba(15, 15, 26, 0.95) !important;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--dark-border);
    padding: 1rem 0;
    transition: var(--transition-normal);
}

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

.navbar-brand {
    font-weight: 800;
    font-size: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.navbar-brand i {
    font-size: 1.8rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-link {
    color: #A1A1AA !important;
    font-weight: 500;
    padding: 0.5rem 1rem !important;
    transition: var(--transition-fast);
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: #FFFFFF !important;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: var(--transition-fast);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 80%;
}

.navbar-toggler {
    border: none;
    padding: 0.5rem;
}

.navbar-toggler:focus {
    box-shadow: none;
}

.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='rgba%28255, 255, 255, 0.8%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

/* Cart Badge */
.cart-badge {
    position: absolute;
    top: -5px;
    right: -5px;
    background: var(--linkedin-blue);
    color: white;
    font-size: 0.65rem;
    font-weight: 600;
    padding: 0.2rem 0.4rem;
    border-radius: 50%;
    min-width: 18px;
    text-align: center;
}

/* ====================================
   Buttons
   ==================================== */
.btn-primary-custom {
    background: var(--gradient-primary);
    border: none;
    color: white;
    font-weight: 600;
    padding: 0.75rem 2rem;
    border-radius: var(--radius-md);
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.btn-primary-custom::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: var(--transition-slow);
}

.btn-primary-custom:hover::before {
    left: 100%;
}

.btn-primary-custom:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-glow);
    color: white;
}

.btn-outline-custom {
    background: transparent;
    border: 2px solid var(--dark-border);
    color: white;
    font-weight: 600;
    padding: 0.75rem 2rem;
    border-radius: var(--radius-md);
    transition: var(--transition-normal);
}

.btn-outline-custom:hover {
    border-color: var(--linkedin-blue);
    background: rgba(10, 102, 194, 0.1);
    color: var(--linkedin-blue);
}

.btn-linkedin {
    background: var(--linkedin-blue);
    border: none;
    color: white;
}

.btn-linkedin:hover {
    background: var(--linkedin-dark);
    color: white;
}

.btn-nextdoor {
    background: var(--nextdoor-green);
    border: none;
    color: white;
}

.btn-nextdoor:hover {
    background: var(--nextdoor-dark);
    color: white;
}

/* ====================================
   Hero Section
   ==================================== */
.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    padding: 100px 0;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background:
        radial-gradient(circle at 20% 20%, rgba(10, 102, 194, 0.15) 0%, transparent 40%),
        radial-gradient(circle at 80% 80%, rgba(140, 198, 63, 0.1) 0%, transparent 40%);
    animation: rotate 30s linear infinite;
}

@keyframes rotate {
    from {
        transform: rotate(0deg);
    }

    to {
        transform: rotate(360deg);
    }
}

.hero-content {
    position: relative;
    z-index: 2;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 1.5rem;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: #A1A1AA;
    margin-bottom: 2rem;
    max-width: 500px;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.hero-stats {
    display: flex;
    gap: 3rem;
    margin-top: 3rem;
    flex-wrap: wrap;
}

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

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.stat-label {
    color: #71717A;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Floating Cards */
.floating-cards {
    position: relative;
    height: 500px;
}

.floating-card {
    position: absolute;
    background: var(--dark-card);
    border: 1px solid var(--dark-border);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    box-shadow: var(--shadow-lg);
    animation: float 6s ease-in-out infinite;
}

.floating-card.linkedin {
    top: 10%;
    right: 10%;
    animation-delay: 0s;
    border-color: rgba(10, 102, 194, 0.3);
}

.floating-card.nextdoor {
    bottom: 20%;
    left: 5%;
    animation-delay: 2s;
    border-color: rgba(140, 198, 63, 0.3);
}

@keyframes float {

    0%,
    100% {
        transform: translateY(0px);
    }

    50% {
        transform: translateY(-20px);
    }
}

/* ====================================
   Section Styles
   ==================================== */
.section {
    padding: 100px 0;
    position: relative;
}

.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 1rem;
}

.section-subtitle {
    text-align: center;
    color: #71717A;
    max-width: 600px;
    margin: 0 auto 3rem;
}

/* ====================================
   Product Cards
   ==================================== */
.product-card {
    background: var(--dark-card);
    border: 1px solid var(--dark-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition-normal);
    height: 100%;
}

.product-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
    border-color: var(--linkedin-blue);
}

.product-card.nextdoor:hover {
    border-color: var(--nextdoor-green);
}

.product-header {
    padding: 2rem;
    position: relative;
    overflow: hidden;
}

.product-header.linkedin {
    background: linear-gradient(135deg, rgba(10, 102, 194, 0.2) 0%, rgba(0, 65, 130, 0.1) 100%);
}

.product-header.nextdoor {
    background: linear-gradient(135deg, rgba(140, 198, 63, 0.2) 0%, rgba(107, 168, 48, 0.1) 100%);
}

.product-icon {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    margin-bottom: 1rem;
}

.product-icon.linkedin {
    background: var(--linkedin-blue);
    color: white;
}

.product-icon.nextdoor {
    background: var(--nextdoor-green);
    color: white;
}

.product-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

.badge-hot {
    background: #EF4444;
    color: white;
}

.badge-new {
    background: var(--linkedin-blue);
    color: white;
}

.badge-sale {
    background: var(--nextdoor-green);
    color: white;
}

.product-body {
    padding: 1.5rem 2rem;
}

.product-title {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}

.product-description {
    color: #71717A;
    font-size: 0.875rem;
    margin-bottom: 1rem;
}

.product-features {
    list-style: none;
    padding: 0;
    margin-bottom: 1.5rem;
}

.product-features li {
    padding: 0.5rem 0;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.875rem;
    color: #A1A1AA;
    border-bottom: 1px solid var(--dark-border);
}

.product-features li:last-child {
    border-bottom: none;
}

.product-features li i {
    color: var(--nextdoor-green);
}

.product-footer {
    padding: 1.5rem 2rem;
    background: rgba(0, 0, 0, 0.2);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.product-price {
    font-size: 1.5rem;
    font-weight: 700;
}

.product-price span {
    font-size: 0.875rem;
    color: #71717A;
    font-weight: 400;
}

/* ====================================
   Pricing Section
   ==================================== */
.pricing-card {
    background: var(--dark-card);
    border: 1px solid var(--dark-border);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    text-align: center;
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.pricing-card.popular {
    border-color: var(--linkedin-blue);
    transform: scale(1.05);
}

.pricing-card.popular::before {
    content: 'Phổ Biến';
    position: absolute;
    top: 1rem;
    right: -2rem;
    background: var(--linkedin-blue);
    color: white;
    padding: 0.25rem 3rem;
    transform: rotate(45deg);
    font-size: 0.75rem;
    font-weight: 600;
}

.pricing-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.pricing-card.popular:hover {
    transform: scale(1.05) translateY(-10px);
}

.pricing-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    background: var(--gradient-primary);
    color: white;
}

.pricing-title {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.pricing-subtitle {
    color: #71717A;
    font-size: 0.875rem;
    margin-bottom: 2rem;
}

.pricing-amount {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 2rem;
}

.pricing-amount span {
    font-size: 1rem;
    color: #71717A;
    font-weight: 400;
}

.pricing-features {
    list-style: none;
    padding: 0;
    margin-bottom: 2rem;
    text-align: left;
}

.pricing-features li {
    padding: 0.75rem 0;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: #A1A1AA;
    border-bottom: 1px solid var(--dark-border);
}

.pricing-features li:last-child {
    border-bottom: none;
}

.pricing-features li i.mdi-check {
    color: var(--nextdoor-green);
}

.pricing-features li i.mdi-close {
    color: #EF4444;
}

/* ====================================
   Features Section
   ==================================== */
.feature-card {
    background: var(--dark-card);
    border: 1px solid var(--dark-border);
    border-radius: var(--radius-lg);
    padding: 2rem;
    text-align: center;
    transition: var(--transition-normal);
    height: 100%;
}

.feature-card:hover {
    transform: translateY(-5px);
    border-color: var(--linkedin-blue);
    box-shadow: var(--shadow-md);
}

.feature-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto 1.5rem;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    background: rgba(10, 102, 194, 0.1);
    color: var(--linkedin-blue);
    transition: var(--transition-normal);
}

.feature-card:hover .feature-icon {
    background: var(--gradient-primary);
    color: white;
}

.feature-title {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
}

.feature-description {
    color: #71717A;
    font-size: 0.875rem;
}

/* ====================================
   Testimonials
   ==================================== */
.testimonial-card {
    background: var(--dark-card);
    border: 1px solid var(--dark-border);
    border-radius: var(--radius-lg);
    padding: 2rem;
    margin: 1rem;
    transition: var(--transition-normal);
}

.testimonial-card:hover {
    border-color: var(--linkedin-blue);
}

.testimonial-content {
    font-size: 1rem;
    color: #A1A1AA;
    margin-bottom: 1.5rem;
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.testimonial-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    color: white;
}

.testimonial-info h5 {
    margin-bottom: 0.25rem;
    font-size: 1rem;
}

.testimonial-info span {
    font-size: 0.875rem;
    color: #71717A;
}

.testimonial-rating {
    color: #FBBF24;
    margin-bottom: 1rem;
}

/* ====================================
   Cart Styles
   ==================================== */
.cart-table {
    background: var(--dark-card);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.cart-table th {
    background: rgba(10, 102, 194, 0.1);
    color: white;
    font-weight: 600;
    padding: 1rem;
    border: none;
}

.cart-table td {
    padding: 1rem;
    vertical-align: middle;
    border-color: var(--dark-border);
    color: #A1A1AA;
}

.cart-item-img {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.cart-item-img.linkedin {
    background: rgba(10, 102, 194, 0.2);
    color: var(--linkedin-blue);
}

.cart-item-img.nextdoor {
    background: rgba(140, 198, 63, 0.2);
    color: var(--nextdoor-green);
}

.quantity-control {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.quantity-btn {
    width: 35px;
    height: 35px;
    border: 1px solid var(--dark-border);
    background: transparent;
    color: white;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition-fast);
}

.quantity-btn:hover {
    background: var(--linkedin-blue);
    border-color: var(--linkedin-blue);
}

.quantity-input {
    width: 50px;
    text-align: center;
    background: transparent;
    border: 1px solid var(--dark-border);
    color: white;
    border-radius: var(--radius-sm);
    padding: 0.5rem;
}

.cart-summary {
    background: var(--dark-card);
    border: 1px solid var(--dark-border);
    border-radius: var(--radius-lg);
    padding: 2rem;
}

.cart-summary-row {
    display: flex;
    justify-content: space-between;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--dark-border);
}

.cart-summary-row:last-child {
    border-bottom: none;
}

.cart-summary-total {
    font-size: 1.5rem;
    font-weight: 700;
    color: white;
}

/* ====================================
   Forms
   ==================================== */
.form-control,
.form-select {
    background: var(--dark-card);
    border: 1px solid var(--dark-border);
    color: white;
    padding: 0.875rem 1rem;
    border-radius: var(--radius-md);
    transition: var(--transition-fast);
}

.form-control:focus,
.form-select:focus {
    background: var(--dark-card);
    border-color: var(--linkedin-blue);
    color: white;
    box-shadow: 0 0 0 3px rgba(10, 102, 194, 0.2);
}

.form-control::placeholder {
    color: #71717A;
}

.form-label {
    color: #A1A1AA;
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.form-check-input {
    background-color: var(--dark-card);
    border-color: var(--dark-border);
}

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

/* ====================================
   Contact Section
   ==================================== */
.contact-card {
    background: var(--dark-card);
    border: 1px solid var(--dark-border);
    border-radius: var(--radius-lg);
    padding: 2rem;
    text-align: center;
    transition: var(--transition-normal);
    height: 100%;
}

.contact-card:hover {
    border-color: var(--linkedin-blue);
    transform: translateY(-5px);
}

.contact-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto 1.5rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    background: rgba(10, 102, 194, 0.1);
    color: var(--linkedin-blue);
}

.contact-card:hover .contact-icon {
    background: var(--linkedin-blue);
    color: white;
}

/* ====================================
   FAQ Section
   ==================================== */
.accordion-item {
    background: var(--dark-card);
    border: 1px solid var(--dark-border) !important;
    border-radius: var(--radius-md) !important;
    margin-bottom: 1rem;
    overflow: hidden;
}

.accordion-button {
    background: var(--dark-card);
    color: white;
    font-weight: 600;
    padding: 1.25rem;
}

.accordion-button:not(.collapsed) {
    background: rgba(10, 102, 194, 0.1);
    color: var(--linkedin-blue);
}

.accordion-button:focus {
    box-shadow: none;
    border-color: var(--linkedin-blue);
}

.accordion-button::after {
    filter: invert(1);
}

.accordion-body {
    background: var(--dark-card);
    color: #A1A1AA;
    padding: 1.25rem;
}

/* ====================================
   Footer
   ==================================== */
.footer {
    background: var(--dark-card);
    border-top: 1px solid var(--dark-border);
    padding: 60px 0 30px;
}

.footer-logo {
    font-size: 1.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
}

.footer-description {
    color: #71717A;
    margin-bottom: 1.5rem;
}

.footer-title {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: white;
}

.footer-links {
    list-style: none;
    padding: 0;
}

.footer-links li {
    margin-bottom: 0.75rem;
}

.footer-links a {
    color: #71717A;
    text-decoration: none;
    transition: var(--transition-fast);
}

.footer-links a:hover {
    color: var(--linkedin-blue);
}

.footer-social {
    display: flex;
    gap: 1rem;
}

.footer-social a {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.05);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #71717A;
    transition: var(--transition-fast);
}

.footer-social a:hover {
    background: var(--linkedin-blue);
    color: white;
}

.footer-bottom {
    border-top: 1px solid var(--dark-border);
    padding-top: 30px;
    margin-top: 40px;
    text-align: center;
    color: #71717A;
}

/* ====================================
   Animations
   ==================================== */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: var(--transition-slow);
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Pulse Animation */
.pulse {
    animation: pulse 2s infinite;
}

@keyframes pulse {

    0%,
    100% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.05);
    }
}

/* ====================================
   Responsive
   ==================================== */
@media (max-width: 991px) {
    .hero-title {
        font-size: 2.5rem;
    }

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

    .hero-subtitle {
        margin: 0 auto 2rem;
    }

    .hero-buttons {
        justify-content: center;
    }

    .hero-stats {
        justify-content: center;
    }

    .floating-cards {
        display: none;
    }

    .pricing-card.popular {
        transform: scale(1);
    }

    .pricing-card.popular:hover {
        transform: translateY(-10px);
    }
}

@media (max-width: 767px) {
    .hero-title {
        font-size: 2rem;
    }

    .section-title {
        font-size: 1.75rem;
    }

    .section {
        padding: 60px 0;
    }

    .hero-section {
        padding: 80px 0;
    }

    .navbar-brand {
        font-size: 1.25rem;
    }
}

/* ====================================
   Utilities
   ==================================== */
.bg-gradient-primary {
    background: var(--gradient-primary);
}

.text-linkedin {
    color: var(--linkedin-blue);
}

.text-nextdoor {
    color: var(--nextdoor-green);
}

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

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

/* Filter Bar */
.filter-bar {
    background: var(--dark-card);
    border: 1px solid var(--dark-border);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    margin-bottom: 2rem;
}

.filter-btn {
    background: transparent;
    border: 1px solid var(--dark-border);
    color: #A1A1AA;
    padding: 0.5rem 1.5rem;
    border-radius: var(--radius-md);
    transition: var(--transition-fast);
    cursor: pointer;
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--linkedin-blue);
    border-color: var(--linkedin-blue);
    color: white;
}

/* Empty Cart */
.empty-cart {
    text-align: center;
    padding: 4rem 2rem;
}

.empty-cart-icon {
    font-size: 5rem;
    color: var(--dark-border);
    margin-bottom: 1.5rem;
}

/* Toast */
.toast-container {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    z-index: 9999;
}

/* Loading */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--dark-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 99999;
    transition: var(--transition-slow);
}

.loading-overlay.hidden {
    opacity: 0;
    visibility: hidden;
}

.loader {
    width: 50px;
    height: 50px;
    border: 3px solid var(--dark-border);
    border-top-color: var(--linkedin-blue);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* ====================================
   Auth Pages
   ==================================== */
.auth-card {
    background: var(--dark-card);
    border: 1px solid var(--dark-border);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    box-shadow: var(--shadow-lg);
}

.auth-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    background: var(--gradient-primary);
    color: white;
}

.auth-card .form-control,
.auth-card .form-select {
    background: var(--dark-bg);
    border: 1px solid var(--dark-border);
    color: #E4E4E7;
    padding: 0.75rem 1rem;
}

.auth-card .form-control:focus,
.auth-card .form-select:focus {
    background: var(--dark-bg);
    border-color: var(--linkedin-blue);
    color: #E4E4E7;
    box-shadow: 0 0 0 0.2rem rgba(10, 102, 194, 0.25);
}

.auth-card .input-group-text {
    background: var(--dark-bg);
    border: 1px solid var(--dark-border);
    color: #71717A;
}

.auth-card .form-label {
    color: #D1D5DB;
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.auth-card .text-gradient {
    text-decoration: none;
}

.auth-card .text-gradient:hover {
    text-decoration: underline;
}

.auth-card .text-muted {
    color: #9CA3AF !important;
}

.auth-card h2 {
    color: #FFFFFF;
}

/* Global text color improvements */
.text-muted {
    color: #9CA3AF !important;
}

/* Out of Stock */
.product-card.out-of-stock {
    opacity: 0.7;
    filter: grayscale(1);
    border-color: var(--dark-border) !important;
}

.product-card.out-of-stock:hover {
    transform: none;
    box-shadow: none;
}