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

:root {
    --primary-color: #2563eb;
    --primary-hover: #1d4ed8;
    --secondary-color: #64748b;
    --success-color: #10b981;
    --danger-color: #ef4444;
    --warning-color: #f59e0b;
    --bg-color: #f8fafc;
    --card-bg: #ffffff;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --border-color: #e2e8f0;
    --shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.1);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-primary);
    line-height: 1.6;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
.header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 20px 0;
    box-shadow: var(--shadow-lg);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 15px;
}

.header h1 {
    font-size: 1.8rem;
    font-weight: 700;
}

.wallet-section {
    display: flex;
    align-items: center;
    gap: 10px;
}

.wallet-info {
    display: flex;
    align-items: center;
    gap: 10px;
    background: rgba(255, 255, 255, 0.2);
    padding: 8px 15px;
    border-radius: 8px;
    backdrop-filter: blur(10px);
}

#walletAddress {
    font-family: monospace;
    font-size: 0.9rem;
}

/* Main Content */
.main-content {
    padding: 30px 0;
}

/* Cards */
.card {
    background: var(--card-bg);
    border-radius: 12px;
    padding: 25px;
    margin-bottom: 25px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
}

.card h2 {
    font-size: 1.5rem;
    margin-bottom: 20px;
    color: var(--text-primary);
    border-bottom: 2px solid var(--primary-color);
    padding-bottom: 10px;
}

.card h3 {
    font-size: 1.2rem;
    margin-bottom: 15px;
    color: var(--text-primary);
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
}

.stat-card {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 20px;
    border-radius: 10px;
    text-align: center;
    box-shadow: var(--shadow);
}

.stat-label {
    font-size: 0.9rem;
    opacity: 0.9;
    margin-bottom: 8px;
}

.stat-value {
    font-size: 2rem;
    font-weight: 700;
}

/* Pools Grid */
.pools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 15px;
}

.pool-card {
    background: var(--bg-color);
    padding: 15px;
    border-radius: 8px;
    border: 2px solid var(--border-color);
    text-align: center;
}

.pool-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 5px;
}

.pool-value {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--primary-color);
}

/* Forms */
.action-section {
    margin-bottom: 30px;
    padding-bottom: 30px;
    border-bottom: 1px solid var(--border-color);
}

.action-section:last-child {
    border-bottom: none;
}

.form {
    max-width: 600px;
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--text-primary);
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    transition: all 0.3s;
    background: white;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

/* Buttons */
.btn {
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    display: inline-block;
}

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

.btn-primary:hover {
    background: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

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

.btn-secondary:hover {
    background: #475569;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

/* Tables */
.table-container {
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
}

table thead {
    background: var(--bg-color);
}

table th {
    padding: 12px;
    text-align: left;
    font-weight: 600;
    color: var(--text-primary);
    border-bottom: 2px solid var(--border-color);
}

table td {
    padding: 12px;
    border-bottom: 1px solid var(--border-color);
}

table tbody tr:hover {
    background: var(--bg-color);
}

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

/* User Details */
.user-details {
    margin-top: 25px;
    padding-top: 25px;
    border-top: 2px solid var(--border-color);
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 15px;
    margin-bottom: 25px;
}

.info-item {
    display: flex;
    justify-content: space-between;
    padding: 10px;
    background: var(--bg-color);
    border-radius: 6px;
}

.info-label {
    font-weight: 500;
    color: var(--text-secondary);
}

.info-value {
    font-weight: 600;
    color: var(--text-primary);
    word-break: break-all;
}

/* Loading Overlay */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    z-index: 1000;
}

.loading-spinner {
    width: 50px;
    height: 50px;
    border: 5px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

.loading-overlay p {
    color: white;
    margin-top: 20px;
    font-size: 1.1rem;
}

/* Toast Notifications */
.toast-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 2000;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.toast {
    min-width: 300px;
    padding: 15px 20px;
    border-radius: 8px;
    color: white;
    box-shadow: var(--shadow-lg);
    animation: slideIn 0.3s ease-out;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

@keyframes slideIn {
    from {
        transform: translateX(400px);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

.toast-success {
    background: var(--success-color);
}

.toast-error {
    background: var(--danger-color);
}

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

.toast-info {
    background: var(--primary-color);
}

.toast-close {
    background: none;
    border: none;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
    margin-left: 15px;
}

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

.mt-20 {
    margin-top: 20px;
}

/* Responsive Design */
@media (max-width: 768px) {
    .header h1 {
        font-size: 1.4rem;
    }

    .header-content {
        flex-direction: column;
        align-items: stretch;
    }

    .wallet-section {
        justify-content: center;
    }

    .wallet-info {
        flex-direction: column;
        text-align: center;
    }

    #walletAddress {
        font-size: 0.75rem;
    }

    .stats-grid {
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    }

    .stat-value {
        font-size: 1.5rem;
    }

    .pools-grid {
        grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    }

    .info-grid {
        grid-template-columns: 1fr;
    }

    .toast-container {
        left: 10px;
        right: 10px;
    }

    .toast {
        min-width: auto;
    }

    table {
        font-size: 0.85rem;
    }

    table th,
    table td {
        padding: 8px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 10px;
    }

    .card {
        padding: 15px;
    }

    .header {
        padding: 15px 0;
    }

    .btn {
        width: 100%;
        padding: 10px 20px;
    }

    .form-group input,
    .form-group select {
        padding: 10px 12px;
    }
}

/* Dark scrollbar (optional enhancement) */
::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

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

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--secondary-color);
}