/**
 * GoldenKey Airdrop - Main Stylesheet
 * High-tech blockchain themed UI
 */

/* ---------------------------------------------------
   Base Styles
----------------------------------------------------- */
:root {
    /* Color Palette */
    --primary-color: #ffcc00;
    --primary-dark: #e6b800;
    --secondary-color: #00a8ff;
    --dark-color: #111827;
    --darker-color: #0a0e18;
    --light-color: #f8f9fa;
    --gray-color: #6c757d;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --danger-color: #ef4444;
    
    /* Fonts */
    --heading-font: 'Orbitron', sans-serif;
    --body-font: 'Roboto', sans-serif;
    
    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-xxl: 3rem;
    
    /* Border Radius */
    --border-radius-sm: 0.25rem;
    --border-radius-md: 0.5rem;
    --border-radius-lg: 1rem;
}

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

html, body {
    height: 100%;
    font-family: var(--body-font);
    font-size: 16px;
    line-height: 1.6;
    color: var(--light-color);
    background-color: var(--darker-color);
    overflow-x: hidden;
}

/* Background elements */
.particles-background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -2;
}

#animationCanvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--heading-font);
    margin-bottom: var(--space-md);
    color: var(--light-color);
    line-height: 1.2;
}

h1 {
    font-size: 2.5rem;
}

h2 {
    font-size: 2rem;
}

h3 {
    font-size: 1.5rem;
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

ul {
    list-style: none;
}

/* ---------------------------------------------------
   Header & Navigation
----------------------------------------------------- */
.site-header {
    background-color: rgba(10, 14, 24, 0.9);
    backdrop-filter: blur(5px);
    border-bottom: 1px solid rgba(255, 204, 0, 0.1);
    padding: var(--space-md) 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo a {
    display: flex;
    align-items: center;
    color: var(--light-color);
}

.logo img {
    height: 40px;
    margin-right: var(--space-sm);
}

.logo-text {
    font-family: var(--heading-font);
    font-size: 1.5rem;
    font-weight: 700;
    background: linear-gradient(90deg, var(--primary-color), #ff9900);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.main-nav ul {
    display: flex;
    gap: var(--space-lg);
}

.main-nav li {
    position: relative;
}

.lang-switcher {
    display: flex;
    align-items: center;
    border-radius: var(--border-radius-sm);
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: var(--space-xs) var(--space-sm);
}

.lang-switcher a {
    color: var(--gray-color);
    padding: 0 var(--space-xs);
}

.lang-switcher a.active {
    color: var(--primary-color);
}

.lang-switcher .separator {
    color: rgba(255, 255, 255, 0.1);
}

/* ---------------------------------------------------
   Buttons & Controls
----------------------------------------------------- */
.btn {
    display: inline-block;
    font-family: var(--heading-font);
    font-weight: 500;
    padding: var(--space-sm) var(--space-lg);
    border-radius: var(--border-radius-md);
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    background-color: var(--primary-color);
    color: var(--darker-color);
    text-align: center;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-size: 0.9rem;
    box-shadow: 0 2px 8px rgba(255, 204, 0, 0.2);
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(255, 204, 0, 0.3);
}

.btn:active {
    transform: translateY(0);
}

.btn-primary {
    background-color: var(--primary-color);
    color: var(--darker-color);
}

.btn-secondary {
    background-color: var(--secondary-color);
    color: var(--light-color);
}

.btn-outline {
    background-color: transparent;
    border: 1px solid var(--primary-color);
    color: var(--primary-color);
}

.btn-outline:hover {
    background-color: var(--primary-color);
    color: var(--darker-color);
}

.btn-warning {
    background-color: var(--warning-color);
    color: var(--darker-color);
}

.btn i {
    margin-right: var(--space-xs);
}

/* Pulse animation for buttons that need attention */
.pulse-animation {
    animation: pulse 1.5s infinite;
}

@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(255, 204, 0, 0.4);
    }
    70% {
        box-shadow: 0 0 0 10px rgba(255, 204, 0, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(255, 204, 0, 0);
    }
}

/* ---------------------------------------------------
   Main Content Areas
----------------------------------------------------- */
.site-main {
    min-height: calc(100vh - 200px);
    padding: var(--space-xxl) 0;
    position: relative;
}

/* Login Section */
.login-section {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 60vh;
    text-align: center;
}

.hero-content {
    max-width: 600px;
}

.hero-content h1 {
    margin-bottom: var(--space-lg);
    font-size: 2.5rem;
}

.hero-content h1 span {
    display: block;
    color: var(--primary-color);
    margin-top: var(--space-xs);
}

.hero-content p {
    margin-bottom: var(--space-xl);
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.8);
}

.hero-content .btn {
    font-size: 1.1rem;
    padding: var(--space-md) var(--space-xxl);
}

/* Dashboard Section */
.dashboard-section {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-xxl);
    margin-bottom: var(--space-xxl);
}

.user-info {
    background: rgba(17, 24, 39, 0.6);
    backdrop-filter: blur(10px);
    border-radius: var(--border-radius-lg);
    padding: var(--space-xl);
    border: 1px solid rgba(255, 204, 0, 0.1);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.user-info h2 {
    font-size: 1.5rem;
    margin-bottom: var(--space-lg);
    display: flex;
    align-items: center;
}

.points-display {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-lg);
    margin-bottom: var(--space-xl);
}

.points-card {
    background: rgba(10, 14, 24, 0.6);
    border-radius: var(--border-radius-md);
    padding: var(--space-lg);
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.points-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}

.points-card h3 {
    color: var(--gray-color);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-sm);
}

.point-value {
    font-family: var(--heading-font);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
    line-height: 1;
}

.action-buttons {
    margin-top: var(--space-xl);
}

.action-buttons .btn {
    width: 100%;
    margin-bottom: var(--space-lg);
}

.referral-link {
    background: rgba(10, 14, 24, 0.6);
    border-radius: var(--border-radius-md);
    padding: var(--space-lg);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.referral-link p {
    margin-bottom: var(--space-sm);
    font-size: 0.9rem;
    color: var(--gray-color);
}

.copy-link {
    display: flex;
    gap: var(--space-sm);
}

.copy-link input {
    flex: 1;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius-sm);
    padding: var(--space-sm) var(--space-md);
    color: var(--light-color);
    font-family: var(--body-font);
    height: 51px;
}

/* 复制按钮高度样式 */
#copyLinkBtn {
    height: 51px;  /* 设置按钮高度 */
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Stats Section - Referrals */
.stats-section {
    background: rgba(17, 24, 39, 0.6);
    backdrop-filter: blur(10px);
    border-radius: var(--border-radius-lg);
    padding: var(--space-xl);
    border: 1px solid rgba(255, 204, 0, 0.1);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.referrals-list h3 {
    margin-bottom: var(--space-lg);
}

.referrals-list ul {
    display: grid;
    gap: var(--space-sm);
}

.referrals-list li {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-sm) var(--space-md);
    background: rgba(10, 14, 24, 0.6);
    border-radius: var(--border-radius-sm);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.referrals-list .address {
    font-family: monospace;
    color: var(--secondary-color);
}

.referrals-list .points {
    font-family: var(--heading-font);
    color: var(--primary-color);
    font-weight: 500;
}

.no-referrals {
    padding: var(--space-md);
    text-align: center;
    color: var(--gray-color);
    background: rgba(10, 14, 24, 0.6);
    border-radius: var(--border-radius-sm);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

/* Leaderboard Section */
.leaderboard-section {
    margin-top: var(--space-xxl);
}

.leaderboard-section h2 {
    text-align: center;
    margin-bottom: var(--space-xl);
    position: relative;
    display: inline-block;
    left: 50%;
    transform: translateX(-50%);
}

.leaderboard-section h2:after {
    content: '';
    display: block;
    width: 50px;
    height: 3px;
    background: var(--primary-color);
    margin: var(--space-sm) auto 0;
}

.leaderboard {
    background: rgba(17, 24, 39, 0.6);
    backdrop-filter: blur(10px);
    border-radius: var(--border-radius-lg);
    border: 1px solid rgba(255, 204, 0, 0.1);
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.leaderboard-header {
    display: grid;
    grid-template-columns: 60px 1fr 120px;
    padding: var(--space-md) var(--space-lg);
    background: rgba(10, 14, 24, 0.8);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    font-size: 0.9rem;
    color: var(--gray-color);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.leaderboard ul {
    display: grid;
    gap: 1px;
    background: rgba(10, 14, 24, 0.3);
}

.leaderboard li {
    display: grid;
    grid-template-columns: 60px 1fr 120px;
    padding: var(--space-md) var(--space-lg);
    background: rgba(17, 24, 39, 0.6);
    transition: background-color 0.3s ease;
}

.leaderboard li:hover {
    background: rgba(10, 14, 24, 0.8);
}

.leaderboard .rank {
    font-family: var(--heading-font);
    font-weight: 700;
    color: var(--primary-color);
}

.leaderboard li:nth-child(1) .rank {
    color: gold;
}

.leaderboard li:nth-child(2) .rank {
    color: silver;
}

.leaderboard li:nth-child(3) .rank {
    color: #cd7f32; /* bronze */
}

.leaderboard .address {
    font-family: monospace;
    color: var(--light-color);
}

.leaderboard .points {
    text-align: right;
    font-family: var(--heading-font);
    font-weight: 500;
    color: var(--primary-color);
}

/* Flash Messages */
.flash-message {
    position: fixed;
    top: 80px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1000;
    padding: var(--space-md) var(--space-lg);
    border-radius: var(--border-radius-md);
    background: rgba(17, 24, 39, 0.9);
    backdrop-filter: blur(5px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-md);
    min-width: 300px;
    max-width: 500px;
    border-left: 3px solid var(--primary-color);
}

.flash-message.success {
    border-left-color: var(--success-color);
}

.flash-message.warning {
    border-left-color: var(--warning-color);
}

.flash-message.error {
    border-left-color: var(--danger-color);
}

.close-flash {
    background: none;
    border: none;
    color: var(--gray-color);
    cursor: pointer;
    font-size: 1rem;
}

.close-flash:hover {
    color: var(--light-color);
}

/* ---------------------------------------------------
   Footer
----------------------------------------------------- */
.site-footer {
    background-color: rgba(10, 14, 24, 0.9);
    backdrop-filter: blur(5px);
    border-top: 1px solid rgba(255, 204, 0, 0.1);
    padding: var(--space-xl) 0;
}

.footer-content {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-lg);
    gap: var(--space-lg);
}

.footer-logo {
    display: flex;
    align-items: center;
}

.footer-logo img {
    height: 30px;
    margin-right: var(--space-sm);
}

.footer-logo span {
    font-family: var(--heading-font);
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--primary-color);
}

.footer-nav ul {
    display: flex;
    gap: var(--space-lg);
}

.footer-nav a {
    color: var(--gray-color);
    transition: color 0.3s ease;
}

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

.social-links {
    display: flex;
    gap: var(--space-md);
}

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.05);
    color: var(--gray-color);
    transition: all 0.3s ease;
}

.social-links a:hover {
    background: var(--primary-color);
    color: var(--darker-color);
    transform: translateY(-3px);
}

.copyright {
    text-align: center;
    color: var(--gray-color);
    font-size: 0.9rem;
}

/* ---------------------------------------------------
   Responsive Design
----------------------------------------------------- */
@media (min-width: 768px) {
    .dashboard-section {
        grid-template-columns: 7fr 5fr;
    }
}

@media (max-width: 768px) {
    html, body {
        font-size: 14px;
    }
    
    h1 {
        font-size: 2rem;
    }
    
    .container {
        padding: 0 var(--space-md);
    }
    
    .points-display {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        flex-direction: column;
        text-align: center;
    }
    
    .footer-nav ul {
        flex-wrap: wrap;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .site-header {
        padding: var(--space-sm) 0;
    }
    
    .logo img {
        height: 30px;
    }
    
    .logo-text {
        font-size: 1.2rem;
    }
    
    .site-main {
        padding: var(--space-xl) 0;
    }
    
    .hero-content h1 {
        font-size: 1.8rem;
    }
    
    .hero-content .btn {
        font-size: 1rem;
        padding: var(--space-sm) var(--space-lg);
    }
    
    .leaderboard-header, .leaderboard li {
        grid-template-columns: 40px 1fr 80px;
        padding: var(--space-sm) var(--space-md);
        font-size: 0.8rem;
    }
    
    .flash-message {
        min-width: 250px;
        max-width: 90%;
    }
}