/* Vinky Homepage Styles */

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

body {
    font-family: 'Roboto', sans-serif;
    line-height: 1.6;
    color: #111827;
}

.container {
    max-width: 1440px;
    margin: 0 auto;
    padding: 0 32px;
}

/* Performance optimizations */
.hero-animation {
    will-change: transform;
    contain: layout;
}

.connection-point {
    will-change: transform;
}

.wave-bar {
    will-change: transform;
}

/* Reduced motion preferences */
@media (prefers-reduced-motion: reduce) {
    .geometric-line,
    .connection-point,
    .wave-bar,
    .pulse-line,
    .pulse-dot {
        animation: none !important;
    }
    
    .hero-animation {
        opacity: 0.3;
    }
    
    .applications-animation {
        opacity: 0.2;
    }
}

/* Navigation styles removed - using centralized navbar.css */

.nav-buttons {
    display: flex;
    align-items: center;
    gap: 16px;
}

/* User Info Styles - 使用navbar.css中的全局样式 */

.btn {
    padding: 8px 16px;
    border-radius: 4px;
    text-decoration: none;
    font-size: 16px;
    font-weight: 400;
    transition: all 0.2s ease;
    border: none;
    cursor: pointer;
    font-family: 'JetBrains Mono', monospace;
}

.btn-outline {
    background: transparent;
    color: #374151;
    border: 1px solid transparent;
}

.btn-primary {
    background: #000000;
    color: #ffffff;
}

.btn-primary:hover {
    background: #1f2937;
    transform: translateY(-1px);
}

/* Hero Section */
.hero {
    background: linear-gradient(90deg, #f9fafb 0%, #f3f4f6 100%);
    padding: 140px 0 100px;
    margin-top: 64px;
    position: relative;
    overflow: hidden;
    min-height: 600px;
    display: flex;
    align-items: center;
}

.hero::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    background-image: url('https://image-resource.mastergo.com/92598145986841/92598145986843/1ad334ef95ffaa14d47c0e7e0efe2a1f.png');
    background-size: cover;
    background-position: center;
    opacity: 0.05;
}

/* Simplified Animated Background */
.hero-animation {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1;
    pointer-events: none;
    width: 100%;
    height: 100%;
    overflow: hidden;
    opacity: 0.6;
}

.geometric-animation {
    width: 100%;
    height: 100%;
    min-width: 100%;
    min-height: 100%;
    opacity: 0.8;
    object-fit: cover;
}

/* Simplified Geometric Line Animations - reduced from 34 to 8 lines */
.geometric-line {
    stroke-dasharray: 5, 5;
    animation: lineFlow 6s ease-in-out infinite;
    transform-origin: center;
}

.geometric-line.line-1 { animation-delay: 0s; }
.geometric-line.line-2 { animation-delay: 1s; }
.geometric-line.line-3 { animation-delay: 2s; }
.geometric-line.line-7 { animation-delay: 3s; }
.geometric-line.line-8 { animation-delay: 4s; }
.geometric-line.line-9 { animation-delay: 5s; }
.geometric-line.line-13 { animation-delay: 1.5s; }
.geometric-line.line-15 { animation-delay: 2.5s; }

/* Hide other geometric lines to improve performance */
.geometric-line.line-4,
.geometric-line.line-5,
.geometric-line.line-6,
.geometric-line.line-14,
.geometric-line.line-16,
.geometric-line.line-20,
.geometric-line.line-21,
.geometric-line.line-22,
.geometric-line.line-23,
.geometric-line.line-24,
.geometric-line.line-25,
.geometric-line.line-26,
.geometric-line.line-27,
.geometric-line.line-28,
.geometric-line.line-29,
.geometric-line.line-30,
.geometric-line.line-31,
.geometric-line.line-32,
.geometric-line.line-33,
.geometric-line.line-34 {
    display: none;
}

.dynamic-line {
    display: none; /* Hide all dynamic lines for performance */
}

/* Simplified Connection Points - reduced from 45 to 12 points */
.connection-point {
    animation: connectionPulse 4s ease-in-out infinite;
    transform-origin: center;
}

.connection-point.point-1 { animation-delay: 0s; }
.connection-point.point-3 { animation-delay: 1s; }
.connection-point.point-7 { animation-delay: 2s; }
.connection-point.point-9 { animation-delay: 3s; }
.connection-point.point-10 { animation-delay: 0.5s; }
.connection-point.point-13 { animation-delay: 1.5s; }
.connection-point.point-15 { animation-delay: 2.5s; }
.connection-point.point-16 { animation-delay: 3.5s; }
.connection-point.point-20 { animation-delay: 1s; }
.connection-point.point-25 { animation-delay: 2s; }
.connection-point.point-30 { animation-delay: 3s; }
.connection-point.point-35 { animation-delay: 0.8s; }

/* Hide other connection points for performance */
.connection-point:not(.point-1):not(.point-3):not(.point-7):not(.point-9):not(.point-10):not(.point-13):not(.point-15):not(.point-16):not(.point-20):not(.point-25):not(.point-30):not(.point-35) {
    display: none;
}

/* Simplified group animations */
.cube-group {
    animation: subtleFloat 8s ease-in-out infinite;
    transform-origin: center;
}

.cube-group:nth-child(1) { animation-delay: 0s; }
.cube-group:nth-child(2) { animation-delay: 2s; }
.cube-group:nth-child(3) { animation-delay: 4s; }

.pattern-group {
    animation: subtleFloat 10s ease-in-out infinite;
    transform-origin: center;
}

.network-group,
.floating-network,
.right-network,
.right-floating,
.edge-network {
    display: none; /* Hide for performance */
}

.scattered-elements {
    animation: scatteredFloat 12s ease-in-out infinite;
    transform-origin: center;
}

/* Simplified pulse lines - reduced from multiple to 2 */
.pulse-line {
    animation: pulseAppear 8s ease-in-out infinite;
    transform-origin: center;
}

.pulse-1 { animation-delay: 0s; }
.pulse-2 { animation-delay: 4s; }
.pulse-3 { display: none; }

.pulse-dot {
    animation: dotMoveFade 6s ease-in-out infinite;
    transform-origin: center;
}

.dot-1 { animation-delay: 0s; }
.dot-2 { animation-delay: 2s; }
.dot-3 { animation-delay: 4s; }

/* Optimized Keyframes - using transform for better performance */
@keyframes lineFlow {
    0%, 100% { 
        stroke-dashoffset: 0;
        opacity: 0.6;
    }
    50% { 
        stroke-dashoffset: 20;
        opacity: 1;
    }
}

@keyframes connectionPulse {
    0%, 100% { 
        transform: scale(1);
        opacity: 0.8;
    }
    50% { 
        transform: scale(1.2);
        opacity: 1;
    }
}

@keyframes subtleFloat {
    0%, 100% { 
        transform: translateY(0px) rotate(0deg);
    }
    33% { 
        transform: translateY(-5px) rotate(1deg);
    }
    66% { 
        transform: translateY(3px) rotate(-1deg);
    }
}

@keyframes scatteredFloat {
    0%, 100% { 
        transform: translateX(0px) translateY(0px);
    }
    25% { 
        transform: translateX(2px) translateY(-3px);
    }
    50% { 
        transform: translateX(-1px) translateY(2px);
    }
    75% { 
        transform: translateX(3px) translateY(1px);
    }
}

@keyframes pulseAppear {
    0%, 90%, 100% { 
        opacity: 0;
        transform: scale(0.8);
    }
    10%, 80% { 
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes dotMoveFade {
    0%, 90%, 100% { 
        opacity: 0;
        transform: translateX(0px) scale(0.8);
    }
    10%, 80% { 
        opacity: 1;
        transform: translateX(10px) scale(1);
    }
}

/* Mobile optimizations */
@media (max-width: 768px) {
    .hero-animation {
        opacity: 0.3;
    }
    
    .geometric-animation {
        transform: scale(0.8);
    }
    
    .geometric-line {
        stroke-width: 1;
    }
    
    .connection-point {
        r: 3;
    }
    
    .applications-animation {
        opacity: 0.3;
    }
    
    /* Disable complex animations on mobile */
    .wave-bar {
        animation-duration: 3s;
    }
}

.hero .container {
    display: flex;
    align-items: center;
    width: 100%;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: left;
    max-width: 688px;
    flex: 1;
    margin-left: 48px;
}

.hero h1 {
    font-size: 60px;
    font-weight: 700;
    color: #000000;
    margin-bottom: 24px;
    line-height: 1.1;
    max-width: 600px;
}

.hero p {
    font-size: 20px;
    color: #4b5563;
    margin-bottom: 36px;
    max-width: 600px;
    line-height: 1.4;
    font-family: 'Inter', sans-serif;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    justify-content: flex-start;
}

.btn-large {
    padding: 12px 24px;
    font-size: 18px;
}

.btn-secondary {
    background: transparent;
    color: #374151;
    border: 1px solid #d1d5db;
}

.btn-secondary:hover {
    background: #f9fafb;
    transform: translateY(-1px);
}

/* Features Section */
.features {
    padding: 80px 0;
    background: #ffffff;
}

.section-title {
    font-size: 36px;
    font-weight: 700;
    text-align: center;
    margin-bottom: 48px;
    color: #111827;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
}

.feature-card {
    text-align: center;
    padding: 32px 24px;
    border-radius: 8px;
    transition: transform 0.2s ease;
}

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

.feature-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 24px;
    background: #f0fdf4;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.feature-icon svg {
    width: 32px;
    height: 32px;
    fill: #10b981;
}

.feature-card h3 {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 16px;
    color: #111827;
}

.feature-card p {
    font-size: 16px;
    color: #6b7280;
    line-height: 1.6;
}

/* Applications Section */
.applications {
    padding: 80px 0;
    background: #f9fafb;
    position: relative;
    overflow: hidden;
}

.applications::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, transparent 30%, rgba(16, 185, 129, 0.03) 50%, transparent 70%);
    z-index: 1;
}

/* Simplified Sound Wave Animation */
.applications-animation {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1;
    pointer-events: none;
    opacity: 0.6;
}

.sound-wave-bars {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100%;
    gap: 4px;
    padding: 0 5%;
}

/* Reduced from 50 to 20 bars for performance */
.wave-bar {
    width: 3px;
    background: linear-gradient(to top, #10b981, #34d399);
    border-radius: 2px;
    animation: barPulse 2s ease-in-out infinite;
    transform-origin: bottom;
}

/* Keep only every 2.5th bar, hide others */
.bar-1 { height: 60px; animation-delay: 0s; }
.bar-3 { height: 180px; animation-delay: 0.2s; }
.bar-6 { height: 45px; animation-delay: 0.5s; }
.bar-8 { height: 210px; animation-delay: 0.7s; }
.bar-11 { height: 75px; animation-delay: 1s; }
.bar-13 { height: 195px; animation-delay: 1.2s; }
.bar-16 { height: 240px; animation-delay: 1.5s; }
.bar-18 { height: 155px; animation-delay: 1.7s; }
.bar-21 { height: 225px; animation-delay: 0.05s; }
.bar-23 { height: 185px; animation-delay: 0.25s; }
.bar-26 { height: 50px; animation-delay: 0.55s; }
.bar-28 { height: 200px; animation-delay: 0.75s; }
.bar-31 { height: 85px; animation-delay: 0.02s; }
.bar-34 { height: 190px; animation-delay: 0.32s; }
.bar-37 { height: 130px; animation-delay: 0.62s; }
.bar-40 { height: 160px; animation-delay: 0.92s; }
.bar-43 { height: 115px; animation-delay: 0.27s; }
.bar-46 { height: 140px; animation-delay: 0.57s; }
.bar-48 { height: 180px; animation-delay: 0.77s; }
.bar-50 { height: 125px; animation-delay: 0.97s; }

/* Hide other bars for performance */
.wave-bar:not(.bar-1):not(.bar-3):not(.bar-6):not(.bar-8):not(.bar-11):not(.bar-13):not(.bar-16):not(.bar-18):not(.bar-21):not(.bar-23):not(.bar-26):not(.bar-28):not(.bar-31):not(.bar-34):not(.bar-37):not(.bar-40):not(.bar-43):not(.bar-46):not(.bar-48):not(.bar-50) {
    display: none;
}

.applications .container {
    position: relative;
    z-index: 2;
}

/* Optimized bar animation */
@keyframes barPulse {
    0%, 100% { 
        transform: scaleY(0.3);
        opacity: 0.7;
    }
    50% { 
        transform: scaleY(1);
        opacity: 1;
    }
}

.app-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 32px;
}

.app-card {
    background: #ffffff;
    border-radius: 12px;
    padding: 32px 24px;
    text-align: center;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.app-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.app-image {
    width: 80px;
    height: 80px;
    margin: 0 auto 24px;
    background: #f0fdf4;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.app-card h3 {
    font-size: 20px;
    font-weight: 600;
    color: #111827;
    margin-bottom: 16px;
}

.app-card p {
    font-size: 16px;
    color: #6b7280;
    line-height: 1.6;
}

/* Technology Section */
.technology {
    padding: 80px 0;
    background: #ffffff;
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 48px;
    margin-top: 48px;
}

.tech-column h3 {
    font-size: 24px;
    font-weight: 600;
    color: #111827;
    margin-bottom: 24px;
}

.tech-list {
    list-style: none;
}

.tech-list li {
    display: flex;
    align-items: flex-start;
    margin-bottom: 20px;
}

.tech-list .check-icon {
    width: 16px;
    height: 16px;
    fill: #10b981;
    margin-right: 12px;
    margin-top: 2px;
    flex-shrink: 0;
}

.tech-item h4 {
    font-size: 18px;
    font-weight: 600;
    color: #111827;
    margin-bottom: 8px;
}

.tech-item p {
    font-size: 16px;
    color: #6b7280;
    line-height: 1.6;
}

/* CTA Section */
.cta {
    background: #111827;
    color: #ffffff;
    padding: 80px 0;
    text-align: center;
}

.cta h2 {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 16px;
}

.cta p {
    font-size: 20px;
    color: #d1d5db;
    margin-bottom: 32px;
}

.cta-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
}

.btn-white {
    background: #ffffff;
    color: #111827;
}

.btn-white:hover {
    background: #f9fafb;
    transform: translateY(-1px);
}

.btn-outline-white {
    background: transparent;
    color: #ffffff;
    border: 1px solid #ffffff;
}

.btn-outline-white:hover {
    background: #ffffff;
    color: #111827;
    transform: translateY(-1px);
}

/* Footer */
.footer {
    background: #1f2937;
    color: #ffffff;
    padding: 48px 0 24px;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 32px;
    margin-bottom: 32px;
}

.footer-column h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 16px;
    color: #ffffff;
}

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

.footer-links li {
    margin-bottom: 8px;
}

.footer-links a {
    color: #9ca3af;
    text-decoration: none;
    font-size: 16px;
    transition: color 0.2s ease;
}

.footer-links a:hover {
    color: #ffffff;
}

.footer-bottom {
    border-top: 1px solid #374151;
    padding-top: 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-bottom p {
    color: #9ca3af;
    font-size: 14px;
}

.social-links {
    display: flex;
    gap: 16px;
}

.social-links a {
    color: #9ca3af;
    font-size: 20px;
}

.social-links a:hover {
    color: #ffffff;
}

/* Navigation dropdown styles removed - using centralized navbar.css */

/* App Icon */
.app-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 24px;
    background: #f0fdf4;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.app-icon svg {
    width: 32px;
    height: 32px;
    fill: #10b981;
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 0 16px;
    }

    /* Mobile nav styles removed - using centralized navbar.css */

    .hero {
        padding: 80px 0 60px;
        min-height: 500px;
    }

    .hero .container {
        flex-direction: column;
        text-align: center;
    }

    .hero-content {
        max-width: 100%;
        text-align: center;
        margin-left: 0;
    }

    .hero h1 {
        font-size: 36px;
        line-height: 1.2;
        max-width: 100%;
    }

    .hero p {
        max-width: 100%;
    }

    .hero-buttons {
        flex-direction: column;
        justify-content: center;
    }

    .tech-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }
} 

/* Pulse dots - simplified version */
.pulse-dot {
    animation: dotMoveFade 6s ease-in-out infinite;
    transform-origin: center;
}

.dot-1 { animation-delay: 0s; }
.dot-2 { animation-delay: 2s; }
.dot-3 { animation-delay: 4s; }

/* Login Modal Styles */
.modal-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 10000;
    backdrop-filter: blur(4px);
    align-items: center;
    justify-content: center;
}

.modal-overlay.show {
    display: flex;
    animation: fadeIn 0.3s ease;
}

.modal-content {
    background: #ffffff;
    border-radius: 12px;
    padding: 32px;
    width: 90%;
    max-width: 400px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
    animation: slideUp 0.3s ease;
    position: relative;
}

.modal-header {
    text-align: center;
    margin-bottom: 24px;
}

.modal-title {
    font-size: 24px;
    font-weight: 700;
    color: #000000;
    margin-bottom: 8px;
}

.modal-subtitle {
    font-size: 14px;
    color: #6b7280;
}

.modal-close {
    position: absolute;
    top: 16px;
    right: 16px;
    background: none;
    border: none;
    font-size: 24px;
    color: #9ca3af;
    cursor: pointer;
    padding: 4px;
    border-radius: 4px;
    transition: all 0.2s ease;
}

.modal-close:hover {
    color: #374151;
    background: #f3f4f6;
}

.form-group {
    margin-bottom: 20px;
}

.form-label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    color: #374151;
    margin-bottom: 6px;
}

.form-input {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid #d1d5db;
    border-radius: 8px;
    font-size: 16px;
    font-family: 'Roboto', sans-serif;
    transition: all 0.2s ease;
    box-sizing: border-box;
}

.form-input:focus {
    outline: none;
    border-color: #10b981;
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.1);
}

.login-button {
    width: 100%;
    padding: 12px 24px;
    background: #000000;
    color: #ffffff;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    margin-bottom: 16px;
    font-family: 'JetBrains Mono', monospace;
}

.login-button:hover {
    background: #1f2937;
}

.login-button:disabled {
    background: #9ca3af;
    cursor: not-allowed;
}

.error-message {
    color: #ef4444;
    font-size: 14px;
    margin-top: 8px;
    text-align: center;
}

.success-message {
    color: #10b981;
    font-size: 14px;
    margin-top: 8px;
    text-align: center;
}

/* Notification Styles */
.notification {
    position: fixed;
    top: 100px;
    right: 24px;
    background: #ffffff;
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    padding: 16px 20px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
    z-index: 10001;
    animation: slideInRight 0.3s ease;
    max-width: 350px;
}

.notification.info {
    border-left: 4px solid #3b82f6;
}

.notification.warning {
    border-left: 4px solid #f59e0b;
}

.notification-title {
    font-size: 14px;
    font-weight: 600;
    color: #374151;
    margin-bottom: 4px;
}

.notification-message {
    font-size: 14px;
    color: #6b7280;
    line-height: 1.4;
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

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

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(100%);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Login Alert Styles */
.login-alert {
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    width: 100%;
    background: linear-gradient(135deg, #10b981, #059669);
    color: #ffffff;
    padding: 16px 0;
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.2);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    z-index: 1001;
    animation: slideInDown 0.4s ease-out;
}

.alert-content {
    display: flex;
    align-items: center;
    gap: 16px;
    max-width: 1200px;
    margin: 0 auto;
}

.alert-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 8px;
    color: #ffffff;
    flex-shrink: 0;
}

.alert-message {
    flex: 1;
    min-width: 0;
}

.alert-title {
    font-family: 'JetBrains Mono', monospace;
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 4px;
}

.alert-description {
    font-family: 'Roboto', sans-serif;
    font-size: 14px;
    opacity: 0.9;
    line-height: 1.4;
}

.alert-actions {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
}

.alert-login-btn {
    background: #ffffff;
    color: #10b981;
    border: none;
    padding: 10px 20px;
    border-radius: 6px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
}

.alert-login-btn:hover {
    background: #f3f4f6;
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.alert-close-btn {
    background: transparent;
    color: #ffffff;
    border: 1px solid rgba(255, 255, 255, 0.3);
    padding: 10px 16px;
    border-radius: 6px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 14px;
    font-weight: 400;
    cursor: pointer;
    transition: all 0.2s ease;
}

.alert-close-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.5);
}

@keyframes slideInDown {
    from {
        opacity: 0;
        transform: translateY(-100%);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Mobile responsiveness for login alert */
@media (max-width: 768px) {
    .alert-content {
        flex-direction: column;
        text-align: center;
        gap: 12px;
        padding: 0 16px;
    }
    
    .alert-actions {
        width: 100%;
        justify-content: center;
    }
    
    .alert-close-btn {
        max-width: 120px;
    }
}