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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
    line-height: 1.6;
    color: #1f2937;
    /* Subtle grid background (light mode) */
    background-color: #f7fafc;
    background-image:
        linear-gradient(to right, rgba(17, 24, 39, 0.06) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(17, 24, 39, 0.06) 1px, transparent 1px),
        linear-gradient(to right, rgba(17, 24, 39, 0.03) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(17, 24, 39, 0.03) 1px, transparent 1px);
    background-size: 24px 24px, 24px 24px, 120px 120px, 120px 120px;
    min-height: 100vh;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    font-feature-settings: 'kern' 1, 'liga' 1;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Web3 background orbs and theme vars */
:root {
    --accent-purple: #8b5cf6;
    --accent-cyan: #06b6d4;
    --accent-pink: #f472b6;
    --glow: 0, 200, 255; /* for rgba() */
}

/* Disable previous animated orbs in favor of grid background */
body::before,
body::after {
    content: none !important;
    display: none !important;
}
body::before {
    top: -10vmax;
    left: -10vmax;
    background: radial-gradient(closest-side, rgba(139,92,246,0.9), transparent 65%);
    animation: floatOrb 18s ease-in-out infinite alternate;
}
body::after {
    bottom: -12vmax;
    right: -8vmax;
    background: radial-gradient(closest-side, rgba(6,182,212,0.9), transparent 65%);
    animation: floatOrb 22s ease-in-out infinite alternate-reverse;
}

/* lift main content above background orbs */
.header, .main { position: relative; z-index: 1; }

/* Dark mode */
body.dark {
    color: #f9fafb;
    /* Subtle grid background (dark mode) */
    background-color: #0f172a;
    background-image:
        linear-gradient(to right, rgba(255, 255, 255, 0.06) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(255, 255, 255, 0.06) 1px, transparent 1px),
        linear-gradient(to right, rgba(255, 255, 255, 0.03) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
    background-size: 24px 24px, 24px 24px, 120px 120px, 120px 120px;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
.header {
    padding: 20px 0;
    position: relative;
    z-index: 100;
}

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

.logo {
    font-size: 1.8rem;
    font-weight: bold;
    display: flex;
    align-items: center;
    gap: 10px;
    background: linear-gradient(90deg, var(--accent-purple), var(--accent-cyan), var(--accent-pink));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    text-shadow: 0 0 24px rgba(var(--glow), 0.25);
}

.logo i {
    color: #ffffff;
    filter: drop-shadow(0 0 8px rgba(var(--glow), 0.35));
}

body.dark .logo i {
    color: #e5e7eb;
    filter: drop-shadow(0 0 10px rgba(var(--glow), 0.45));
}

.dark-mode-btn {
    background: rgba(255, 255, 255, 0.2);
    border: none;
    color: white;
    padding: 12px;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.dark-mode-btn:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: scale(1.05);
}

/* Main Content */
.main {
    padding: 20px;
    max-width: 1200px;
    margin: 0 auto;
}

/* Wallet Card */
.wallet-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-radius: 24px;
    padding: 48px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1), 0 1px 3px rgba(0, 0, 0, 0.05);
    margin: 0 auto 48px;
    max-width: 520px;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.wallet-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #667eea, #764ba2, #f093fb);
}

/* Ambient conic glow ring */
.wallet-card::after {
    content: '';
    position: absolute;
    inset: -2px;
    border-radius: 26px;
    background: conic-gradient(from 180deg at 50% 50%, rgba(139,92,246,0.4), rgba(6,182,212,0.4), rgba(244,114,182,0.4), rgba(139,92,246,0.4));
    filter: blur(20px);
    opacity: 0.35;
    pointer-events: none;
    z-index: 0;
    animation: rotateHue 14s linear infinite;
}

.wallet-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 40px 80px rgba(0, 0, 0, 0.15), 0 8px 32px rgba(102, 126, 234, 0.1);
}

body.dark .wallet-card {
    background: rgba(31, 41, 55, 0.95);
    border-color: rgba(75, 85, 99, 0.3);
    color: #f9fafb;
}

/* Connection Status */
.connection-status {
    text-align: center;
    margin-bottom: 30px;
}

.status-icon {
    font-size: 3rem;
    color: #9ca3af;
    margin-bottom: 15px;
    display: block;
}

.connection-status p {
    color: #6b7280;
    font-size: 1.1rem;
}

body.dark .connection-status p {
    color: #9ca3af;
}

/* Buttons */
.btn {
    border: none;
    padding: 15px 25px;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    text-decoration: none;
    position: relative;
    overflow: hidden;
}

.btn::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: left 0.5s;
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: linear-gradient(135deg, #3b82f6, #1d4ed8);
    color: white;
    box-shadow: 0 12px 28px rgba(59,130,246,0.28), 0 0 0 0 rgba(59,130,246,0.4);
    text-shadow: 0 1px 0 rgba(0,0,0,0.2);
    animation: pulseGlow 2.8s ease-in-out infinite;
}

.btn-primary:hover {
    background: linear-gradient(135deg, #2563eb, #1e40af);
    transform: translateY(-2px);
    box-shadow: 0 18px 40px rgba(59,130,246,0.35), 0 0 22px rgba(59,130,246,0.45);
}

.btn-secondary {
    background: linear-gradient(135deg, #6b7280, #4b5563);
    color: white;
}

.btn-secondary:hover {
    background: linear-gradient(135deg, #5b6470, #374151);
    transform: translateY(-2px);
}

.btn-danger {
    background: linear-gradient(135deg, #ef4444, #dc2626);
    color: white;
}

.btn-danger:hover {
    background: linear-gradient(135deg, #dc2626, #b91c1c);
    transform: translateY(-2px);
}

.btn-full {
    width: 100%;
}

.btn-icon {
    background: none;
    border: none;
    color: #3b82f6;
    cursor: pointer;
    padding: 8px;
    border-radius: 6px;
    transition: all 0.3s ease;
}

.btn-icon:hover {
    background: rgba(59, 130, 246, 0.1);
    transform: scale(1.1);
}

/* Wallet Details */
.wallet-details {
    margin-top: 30px;
}

.detail-item {
    margin-bottom: 20px;
    padding: 20px;
    background: #f8fafc;
    border-radius: 12px;
    border: 1px solid #e2e8f0;
    transition: all 0.3s ease;
}

.detail-item:hover {
    border-color: #3b82f6;
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.1);
}

body.dark .detail-item {
    background: #374151;
    border-color: #4b5563;
    color: #e2e8f0;
}

.detail-item label {
    display: block;
    font-weight: 600;
    margin-bottom: 8px;
    color: #374151;
    font-size: 0.9rem;
}

body.dark .detail-item label {
    color: #d1d5db;
}

.address-container, .balance-container {
    display: flex;
    align-items: center;
    gap: 10px;
}

.address {
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
    color: #1f2937;
    flex: 1;
}

body.dark .address {
    color: #e2e8f0;
}

.balance {
    font-size: 1.5rem;
    font-weight: bold;
    color: #1f2937;
}

body.dark .balance {
    color: #e2e8f0;
}

.balance-unit {
    color: #6b7280;
    font-size: 1rem;
}

/* NFT Section */
.nft-section {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-radius: 24px;
    padding: 48px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1), 0 1px 3px rgba(0, 0, 0, 0.05);
    margin-top: 48px;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

body.dark .nft-section {
    background: rgba(31, 41, 55, 0.95);
    border-color: rgba(75, 85, 99, 0.3);
    color: #f9fafb;
}

.nft-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    flex-wrap: wrap;
    gap: 20px;
}

.nft-header h2 {
    font-size: 1.8rem;
    font-weight: bold;
    color: #1f2937;
    display: flex;
    align-items: center;
    gap: 10px;
}

body.dark .nft-header h2 {
    color: #e2e8f0;
}

/* NFT Grid */
.nft-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 25px;
    margin-top: 30px;
}

.nft-card {
    background: #f8fafc;
    border-radius: 15px;
    overflow: hidden;
    transition: all 0.3s ease;
    cursor: pointer;
    border: 2px solid transparent;
    position: relative;
}

.nft-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
    border-color: #3b82f6;
}

/* Gradient border highlight */
.nft-card::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 15px;
    padding: 2px;
    background: linear-gradient(135deg, rgba(59,130,246,0.6), rgba(124,58,237,0.45));
    mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
    -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
    -webkit-mask-composite: xor;
            mask-composite: exclude;
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
}
.nft-card:hover::after { opacity: 1; }

body.dark .nft-card {
    background: #374151;
}

.nft-image {
    width: 100%;
    height: 250px;
    object-fit: cover;
    background: #e5e7eb;
}

body.dark .nft-image {
    background: #4b5563;
}

.nft-info {
    padding: 20px;
}

.nft-name {
    font-weight: 600;
    font-size: 1.1rem;
    margin-bottom: 5px;
    color: #1f2937;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

body.dark .nft-name {
    color: #e2e8f0;
}

.nft-collection {
    color: #6b7280;
    font-size: 0.9rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Loading States */
.nft-loading, .no-nfts {
    text-align: center;
    padding: 60px 20px;
    color: #6b7280;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid #f3f4f6;
    border-top: 4px solid #3b82f6;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 20px;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.no-nfts i {
    font-size: 4rem;
    color: #d1d5db;
    margin-bottom: 20px;
    display: block;
}

/* Modal */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    backdrop-filter: blur(8px);
    padding: 20px;
}

.modal-content {
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    border-radius: 24px;
    padding: 32px;
    max-width: 640px;
    width: 100%;
    max-height: 85vh;
    overflow-y: auto;
    position: relative;
    animation: modalSlideIn 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.15);
}

body.dark .modal-content {
    background: rgba(31, 41, 55, 0.98);
    border-color: rgba(75, 85, 99, 0.3);
    color: #f9fafb;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 2px solid #e5e7eb;
}

body.dark .modal-header {
    border-bottom-color: #4b5563;
}

.modal-header h3 {
    font-size: 1.5rem;
    font-weight: bold;
    color: #1f2937;
}

body.dark .modal-header h3 {
    color: #e2e8f0;
}

.btn-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: #6b7280;
    cursor: pointer;
    padding: 5px;
    border-radius: 5px;
    transition: all 0.3s ease;
}

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

body.dark .btn-close:hover {
    background: #374151;
    color: #e2e8f0;
}

/* Wallet Options */
.wallet-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 16px;
    margin-top: 24px;
}

.wallet-option {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px;
    background: #ffffff;
    border: 1px solid #e5e7eb;
    border-radius: 16px;
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    text-align: left;
    font-size: 1rem;
    font-weight: 500;
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.wallet-option::before {
    content: '';
    position: absolute;
    top: 0;
    left: -40%;
    width: 45%;
    height: 100%;
    background: linear-gradient(120deg, transparent 0%, rgba(255,255,255,0.22) 40%, transparent 70%);
    opacity: 0;
    transition: left 0.6s ease, opacity 0.3s ease;
}

.wallet-option:hover {
    border-color: #3b82f6;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(59, 130, 246, 0.15);
}

.wallet-option:hover::before {
    opacity: 1;
    left: 140%;
}

.wallet-option:active {
    transform: translateY(0);
    transition: transform 0.1s ease;
}

body.dark .wallet-option {
    background: #1f2937;
    border-color: #374151;
    color: #e2e8f0;
}

body.dark .wallet-option:hover {
    border-color: #60a5fa;
    box-shadow: 0 8px 25px rgba(96, 165, 250, 0.15);
}

body.dark .wallet-option::before {
    background: linear-gradient(120deg, transparent 0%, rgba(255,255,255,0.18) 40%, transparent 70%);
}

/* Badge for unavailable wallets based on title content (case-insensitive match) */
.wallet-option[title*='not installed' i] {
    cursor: not-allowed;
}
.wallet-option[title*='not installed' i] .wallet-name {
    opacity: 0.85;
}
.wallet-option[title*='not installed' i] .wallet-info::after {
    content: 'Not installed';
    position: absolute;
    right: 12px;
    top: 12px;
    font-size: 0.7rem;
    color: #fff;
    background: linear-gradient(135deg, #ef4444, #dc2626);
    padding: 4px 8px;
    border-radius: 9999px;
}

/* Wallet Icon */
.wallet-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    position: relative;
    overflow: hidden;
}

.wallet-icon svg {
    width: 32px;
    height: 32px;
    z-index: 1;
}

/* Wallet Info */
.wallet-info {
    display: flex;
    flex-direction: column;
    gap: 4px;
    flex: 1;
}

.wallet-name {
    font-weight: 600;
    font-size: 1rem;
    color: #111827;
    line-height: 1.2;
}

.wallet-desc {
    font-size: 0.875rem;
    color: #6b7280;
    font-weight: 400;
    line-height: 1.2;
}

body.dark .wallet-name {
    color: #f9fafb;
}

body.dark .wallet-desc {
    color: #9ca3af;
}

/* Individual wallet icon backgrounds */
.metamask-icon {
    background: linear-gradient(135deg, #f6643c, #e4761b);
}

.walletconnect-icon {
    background: linear-gradient(135deg, #3b99fc, #1e40af);
}

.coinbase-icon {
    background: linear-gradient(135deg, #0052ff, #0040cc);
}

.trust-icon {
    background: linear-gradient(135deg, #3375bb, #1e40af);
}

.okx-icon {
    background: linear-gradient(135deg, #000000, #333333);
}

.bitget-icon {
    background: linear-gradient(135deg, #00d4aa, #00b894);
}

.phantom-icon {
    background: linear-gradient(135deg, #ab9ff2, #7c3aed);
}

/* Toast Notifications */
.toast {
    position: fixed;
    top: 20px;
    right: 20px;
    padding: 15px 20px;
    border-radius: 10px;
    color: white;
    font-weight: 500;
    z-index: 1100;
    transform: translateX(400px);
    transition: transform 0.3s ease;
    max-width: 350px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
}

/* Fancy scrollbars */
html { scrollbar-gutter: stable; }
*::-webkit-scrollbar { width: 10px; height: 10px; }
*::-webkit-scrollbar-track { background: rgba(255,255,255,0.15); border-radius: 9999px; }
*::-webkit-scrollbar-thumb { background: linear-gradient(135deg, #6b7280, #4b5563); border-radius: 9999px; }
body.dark *::-webkit-scrollbar-thumb { background: linear-gradient(135deg, #374151, #1f2937); }
* { scrollbar-width: thin; scrollbar-color: #4b5563 transparent; }

.toast.show {
    transform: translateX(0);
}

.toast-success {
    background: linear-gradient(135deg, #10b981, #059669);
}

.toast-error {
    background: linear-gradient(135deg, #ef4444, #dc2626);
}

.toast-content {
    display: flex;
    align-items: center;
    gap: 10px;
}

/* Utility Classes */
.hidden {
    display: none !important;
}

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

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 0 15px;
    }
    
    .header .container {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }
    
    .wallet-card, .nft-section {
        padding: 25px;
        margin: 20px;
    }
    
    .nft-grid {
        grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
        gap: 15px;
    }
    
    .nft-header {
        flex-direction: column;
        align-items: stretch;
        text-align: center;
    }
    
    .modal-content {
        margin: 20px;
        padding: 25px;
    }
    
    .wallet-option {
        padding: 15px;
    }
    
    .toast {
        right: 15px;
        left: 15px;
        max-width: none;
        transform: translateY(-100px);
    }
    
    .toast.show {
        transform: translateY(0);
    }
}

@media (max-width: 480px) {
    .logo {
        font-size: 1.4rem;
    }
    
    .wallet-card, .nft-section {
        padding: 20px;
        margin: 10px;
        border-radius: 15px;
    }
    
    .nft-grid {
        grid-template-columns: 1fr 1fr;
        gap: 10px;
    }
    
    .detail-item {
        padding: 15px;
    }
    
    .btn {
        padding: 12px 20px;
        font-size: 0.9rem;
    }
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.wallet-card, .nft-section {
    animation: fadeIn 0.6s ease;
}

/* New animation keyframes */
@keyframes floatOrb {
    0% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(20px, -10px) scale(1.05); }
    100% { transform: translate(-10px, 10px) scale(1); }
}

@keyframes pulseGlow {
    0%, 100% { box-shadow: 0 12px 28px rgba(59,130,246,0.25), 0 0 0 0 rgba(59,130,246,0.4); }
    50% { box-shadow: 0 16px 40px rgba(59,130,246,0.35), 0 0 22px 6px rgba(59,130,246,0.2); }
}

@keyframes rotateHue {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* Focus styles for accessibility */
.btn:focus, .btn-icon:focus, .wallet-option:focus {
    outline: 3px solid #93c5fd;
    outline-offset: 2px;
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { animation: none !important; transition: none !important; }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .btn {
        border: 2px solid currentColor;
    }
    
    .detail-item {
        border-width: 2px;
    }
}