/* 
 * Dark Mode Donation Page
 * Mobile-first, high contrast, minimal design
 */

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

:root {
    /* Dark mode color palette - high contrast */
    --bg-primary: #0a0a0a;
    --bg-secondary: #151515;
    --bg-card: #1a1a1a;
    --text-primary: #ffffff;
    --text-secondary: #a0a0a0;
    --text-muted: #707070;
    --accent-primary: #3b82f6;
    --accent-subtle: #2563eb;
    --border-color: #2a2a2a;
    --border-subtle: #1f1f1f;
    
    /* Token-specific colors */
    --color-btc: #f7931a;
    --color-eth: #627eea;
    --color-xlm: #14b6e7;
    --color-wlfi: #d4af37;
    --color-pol: #8247e5;
    --color-sol: #14f195;
    --color-ltc: #345d9d;
    --color-trump: #ff4444;
    --color-icp: #f15a24;
    
    /* Typography */
    --font-primary: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --font-mono: "SF Mono", Monaco, "Cascadia Code", "Roboto Mono", Consolas, "Courier New", monospace;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    
    /* Border radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
}

body {
    font-family: var(--font-primary);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Container */
.container {
    width: 100%;
    max-width: 800px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* Header Styles */
.header {
    background: linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
    border-bottom: 1px solid var(--border-color);
    padding: var(--spacing-xl) 0;
}

.header-content {
    text-align: center;
}

.header-title {
    font-size: 2rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
}

.crypto-icon {
    font-size: 2.25rem;
    color: var(--accent-primary);
    font-weight: 400;
    display: inline-block;
    line-height: 1;
}

.header-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    font-weight: 400;
    letter-spacing: 0.01em;
}

/* Main Content */
.main {
    flex: 1;
    padding: var(--spacing-xl) 0;
}

.donation-info {
    margin-bottom: var(--spacing-xl);
    padding: var(--spacing-lg);
    background-color: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
}

.info-text {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.7;
    text-align: center;
}

/* Donation Addresses */
.donation-addresses {
    display: grid;
    gap: var(--spacing-md);
}

.address-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    transition: border-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
    position: relative;
}

.address-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.3);
}

/* Token-specific styling */
.address-card[data-token="btc"]:hover {
    border-color: var(--color-btc);
    box-shadow: 0 8px 16px rgba(247, 147, 26, 0.2);
}

.address-card[data-token="btc"] .coin-symbol {
    color: var(--color-btc);
}

.address-card[data-token="eth"]:hover {
    border-color: var(--color-eth);
    box-shadow: 0 8px 16px rgba(98, 126, 234, 0.2);
}

.address-card[data-token="eth"] .coin-symbol {
    color: var(--color-eth);
}

.address-card[data-token="xlm"]:hover {
    border-color: var(--color-xlm);
    box-shadow: 0 8px 16px rgba(20, 182, 231, 0.2);
}

.address-card[data-token="xlm"] .coin-symbol {
    color: var(--color-xlm);
}

.address-card[data-token="wlfi"]:hover {
    border-color: var(--color-wlfi);
    box-shadow: 0 8px 16px rgba(212, 175, 55, 0.2);
}

.address-card[data-token="wlfi"] .coin-symbol {
    color: var(--color-wlfi);
}

.address-card[data-token="pol"]:hover {
    border-color: var(--color-pol);
    box-shadow: 0 8px 16px rgba(130, 71, 229, 0.2);
}

.address-card[data-token="pol"] .coin-symbol {
    color: var(--color-pol);
}

.address-card[data-token="sol"]:hover {
    border-color: var(--color-sol);
    box-shadow: 0 8px 16px rgba(20, 241, 149, 0.2);
}

.address-card[data-token="sol"] .coin-symbol {
    color: var(--color-sol);
}

.address-card[data-token="ltc"]:hover {
    border-color: var(--color-ltc);
    box-shadow: 0 8px 16px rgba(52, 93, 157, 0.2);
}

.address-card[data-token="ltc"] .coin-symbol {
    color: var(--color-ltc);
}

.address-card[data-token="trump"]:hover {
    border-color: var(--color-trump);
    box-shadow: 0 8px 16px rgba(255, 68, 68, 0.2);
}

.address-card[data-token="trump"] .coin-symbol {
    color: var(--color-trump);
}

.address-card[data-token="icp"]:hover {
    border-color: var(--color-icp);
    box-shadow: 0 8px 16px rgba(241, 90, 36, 0.2);
}

.address-card[data-token="icp"] .coin-symbol {
    color: var(--color-icp);
}

.address-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--border-subtle);
}

.coin-symbol {
    font-size: 1.25rem;
    font-weight: 700;
    font-family: var(--font-mono);
    letter-spacing: -0.01em;
    transition: transform 0.2s ease;
}

.address-card:hover .coin-symbol {
    transform: scale(1.1);
}

.coin-name {
    font-size: 1rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.address-content {
    margin-top: var(--spacing-sm);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.address {
    display: block;
    flex: 1;
    min-width: 0;
    font-family: var(--font-mono);
    font-size: 0.875rem;
    color: var(--text-primary);
    background-color: var(--bg-secondary);
    padding: var(--spacing-sm);
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-subtle);
    word-break: break-all;
    line-height: 1.5;
    cursor: pointer;
    transition: background-color 0.2s ease, border-color 0.2s ease;
}

.address:hover {
    background-color: var(--bg-primary);
    border-color: var(--border-color);
}

.address.copied-pulse {
    animation: pulse 0.6s ease;
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.7;
        transform: scale(0.98);
    }
}

/* Copy button */
.copy-btn {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: var(--spacing-xs);
    cursor: pointer;
    transition: all 0.2s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    min-width: 32px;
    height: 32px;
}

.copy-btn:hover {
    background-color: var(--bg-card);
    border-color: var(--accent-primary);
    color: var(--accent-primary);
}

.copy-btn.copied {
    background-color: #10b981;
    border-color: #10b981;
    color: white;
}

.copy-btn svg {
    width: 16px;
    height: 16px;
}

/* Memo field for XLM */
.memo-required {
    margin-top: var(--spacing-sm);
    padding-top: var(--spacing-sm);
    border-top: 1px solid var(--border-subtle);
    width: 100%;
}

.memo-label {
    display: block;
    font-size: 0.75rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--spacing-xs);
    font-weight: 600;
}

.memo-copy-wrapper {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.memo-value {
    display: block;
    flex: 1;
    font-family: var(--font-mono);
    font-size: 0.875rem;
    color: var(--color-xlm);
    background-color: var(--bg-secondary);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-subtle);
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.2s ease, border-color 0.2s ease;
}

.memo-value:hover {
    background-color: var(--bg-primary);
    border-color: var(--border-color);
}

.memo-value.copied-pulse {
    animation: pulse 0.6s ease;
}

.copy-btn-memo {
    min-width: 32px;
}

/* Alternative tokens section */
.alternative-tokens {
    margin-top: var(--spacing-xl);
    padding: var(--spacing-lg);
    text-align: center;
    background-color: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
}

.alternative-text {
    font-size: 1rem;
    color: var(--text-secondary);
}

.contact-link {
    color: var(--accent-primary);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s ease;
    border-bottom: 1px solid transparent;
}

.contact-link:hover {
    color: var(--text-primary);
    border-bottom-color: var(--accent-primary);
}

.contact-link:focus {
    outline: 2px solid var(--accent-primary);
    outline-offset: 2px;
    border-radius: var(--radius-sm);
}

/* Links Section */
.links-section {
    margin-top: var(--spacing-xl);
    padding: var(--spacing-xl) 0;
    border-top: 1px solid var(--border-color);
}

.links-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-lg);
    text-align: center;
    letter-spacing: -0.01em;
}

.links-grid {
    display: grid;
    gap: var(--spacing-md);
    grid-template-columns: 1fr;
}

.link-card {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    text-decoration: none;
    transition: all 0.2s ease;
    color: var(--text-primary);
}

.link-card:hover {
    border-color: var(--accent-primary);
    transform: translateY(-2px);
    box-shadow: 0 8px 16px rgba(59, 130, 246, 0.2);
}

.link-icon {
    color: var(--accent-primary);
    flex-shrink: 0;
    transition: transform 0.2s ease;
}

.link-card:hover .link-icon {
    transform: scale(1.1);
}

.link-content {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.link-name {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
}

.link-description {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* Footer */
.footer {
    background-color: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: var(--spacing-lg) 0;
    margin-top: auto;
}

.footer-text {
    text-align: center;
    font-size: 0.875rem;
    color: var(--text-muted);
    letter-spacing: 0.05em;
    text-transform: uppercase;
    font-weight: 500;
}

/* Tablet breakpoint */
@media (min-width: 640px) {
    .header-title {
        font-size: 2.5rem;
    }
    
    .crypto-icon {
        font-size: 2.75rem;
    }
    
    .header-subtitle {
        font-size: 1.25rem;
    }
    
    .container {
        padding: 0 var(--spacing-lg);
    }
}

/* Desktop breakpoint */
@media (min-width: 1024px) {
    .header-title {
        font-size: 3rem;
    }
    
    .crypto-icon {
        font-size: 3.25rem;
    }
    
    .header-subtitle {
        font-size: 1.375rem;
    }
    
    .donation-addresses {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    }
    
    .links-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    :root {
        --bg-primary: #000000;
        --bg-secondary: #0f0f0f;
        --bg-card: #1a1a1a;
        --text-primary: #ffffff;
        --border-color: #404040;
    }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .address-card:hover {
        transform: none;
    }
    
    .coin-symbol {
        transform: none !important;
    }
    
    .link-card:hover {
        transform: none;
    }
    
    .link-icon {
        transform: none !important;
    }
}