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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    color: #333;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    min-height: 100vh;
    background: rgba(255, 255, 255, 0.95);
    box-shadow: 0 0 30px rgba(0, 0, 0, 0.1);
}

/* Header Styles */
.header {
    background: linear-gradient(135deg, #2c3e50, #3498db);
    color: white;
    padding: 1rem 2rem;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo i {
    font-size: 2rem;
    color: #f1c40f;
}

.logo h1 {
    font-size: 1.8rem;
    font-weight: 600;
}

.wallet-info {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.network-status {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(255, 255, 255, 0.1);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
}

.network-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #e74c3c;
    animation: pulse 2s infinite;
}

.network-dot.connected {
    background: #27ae60;
}

@keyframes pulse {
    0% { opacity: 1; }
    50% { opacity: 0.5; }
    100% { opacity: 1; }
}

.wallet-address {
    background: rgba(255, 255, 255, 0.1);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-family: monospace;
    font-size: 0.9rem;
}

/* Button Styles */
.btn {
    background: none;
    border: 2px solid transparent;
    padding: 0.7rem 1.5rem;
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
}

.btn-primary {
    background: linear-gradient(135deg, #3498db, #2980b9);
    color: white;
    border-color: #3498db;
}

.btn-primary:hover {
    background: linear-gradient(135deg, #2980b9, #1f4e79);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(52, 152, 219, 0.3);
}

.btn-secondary {
    background: #95a5a6;
    color: white;
    border-color: #95a5a6;
}

.btn-secondary:hover {
    background: #7f8c8d;
    transform: translateY(-2px);
}

.btn-success {
    background: linear-gradient(135deg, #27ae60, #229954);
    color: white;
    border-color: #27ae60;
}

.btn-success:hover {
    background: linear-gradient(135deg, #229954, #1e8449);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(39, 174, 96, 0.3);
}

.btn-warning {
    background: linear-gradient(135deg, #f39c12, #e67e22);
    color: white;
    border-color: #f39c12;
}

.btn-warning:hover {
    background: linear-gradient(135deg, #e67e22, #d35400);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(243, 156, 18, 0.3);
}

.btn-danger {
    background: linear-gradient(135deg, #e74c3c, #c0392b);
    color: white;
    border-color: #e74c3c;
}

.btn-danger:hover {
    background: linear-gradient(135deg, #c0392b, #a93226);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(231, 76, 60, 0.3);
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none !important;
    box-shadow: none !important;
}

/* Message Styles */
.message-container {
    padding: 1rem 2rem;
}

.message {
    padding: 1rem;
    border-radius: 8px;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    animation: slideIn 0.3s ease;
}

.message.success {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.message.error {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

.message.warning {
    background: #fff3cd;
    color: #856404;
    border: 1px solid #ffeaa7;
}

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

/* Main Content */
.main-content {
    padding: 2rem;
}

/* Dashboard Stats */
.dashboard-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: white;
    padding: 1.5rem;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    display: flex;
    align-items: center;
    gap: 1rem;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.stat-card i {
    font-size: 2.5rem;
    color: #3498db;
    background: linear-gradient(135deg, #3498db, #2980b9);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-info h3 {
    font-size: 2rem;
    font-weight: 700;
    color: #2c3e50;
    margin-bottom: 0.25rem;
}

.stat-info p {
    color: #7f8c8d;
    font-size: 0.9rem;
    font-weight: 500;
}

/* Navigation */
.admin-nav {
    display: flex;
    background: white;
    border-radius: 12px;
    padding: 0.5rem;
    margin-bottom: 2rem;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    overflow-x: auto;
    gap: 0.5rem;
}

.nav-btn {
    flex: 1;
    min-width: 160px;
    background: transparent;
    border: none;
    padding: 1rem;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    color: #7f8c8d;
}

.nav-btn i {
    font-size: 1.2rem;
}

.nav-btn.active {
    background: linear-gradient(135deg, #3498db, #2980b9);
    color: white;
    box-shadow: 0 4px 15px rgba(52, 152, 219, 0.3);
}

.nav-btn:hover:not(.active) {
    background: #ecf0f1;
    color: #2c3e50;
}

/* Tab Content */
.tab-content {
    background: white;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    overflow: hidden;
}

.tab-panel {
    display: none;
    padding: 2rem;
}

.tab-panel.active {
    display: block;
}

.panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.panel-header h2 {
    font-size: 1.8rem;
    color: #2c3e50;
    font-weight: 600;
}

/* Search */
.search-container {
    display: flex;
    gap: 0.5rem;
}

.search-input {
    padding: 0.7rem 1rem;
    border: 2px solid #ecf0f1;
    border-radius: 8px;
    font-size: 0.9rem;
    min-width: 250px;
    transition: border-color 0.3s ease;
}

.search-input:focus {
    outline: none;
    border-color: #3498db;
}

/* Forms */
.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.input-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.input-group label {
    font-weight: 500;
    color: #2c3e50;
    font-size: 0.9rem;
}

.form-input,
.form-select {
    padding: 0.7rem 1rem;
    border: 2px solid #ecf0f1;
    border-radius: 8px;
    font-size: 0.9rem;
    transition: border-color 0.3s ease;
}

.form-input:focus,
.form-select:focus {
    outline: none;
    border-color: #3498db;
}

.help-text {
    font-size: 0.8rem;
    color: #7f8c8d;
    margin-top: 0.5rem;
}

/* Action Groups */
.user-actions,
.update-actions {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.action-group {
    background: #f8f9fa;
    padding: 1.5rem;
    border-radius: 8px;
    border: 1px solid #ecf0f1;
}

.action-group h3 {
    margin-bottom: 1rem;
    color: #2c3e50;
    font-size: 1.1rem;
}

.action-group .input-group {
    flex-direction: row;
    align-items: end;
    gap: 1rem;
}

.action-group .input-group > * {
    flex: 1;
}

/* Investment Form */
.investment-form {
    background: #f8f9fa;
    padding: 2rem;
    border-radius: 8px;
    border: 1px solid #ecf0f1;
}

.investment-form h3 {
    margin-bottom: 1.5rem;
    color: #2c3e50;
}

/* Settings */
.settings-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 2rem;
}

.setting-group {
    background: #f8f9fa;
    padding: 2rem;
    border-radius: 8px;
    border: 1px solid #ecf0f1;
}

.setting-group h3 {
    margin-bottom: 1.5rem;
    color: #2c3e50;
    border-bottom: 2px solid #ecf0f1;
    padding-bottom: 0.5rem;
}

/* Tables */
.data-table-container {
    overflow-x: auto;
    border: 1px solid #ecf0f1;
    border-radius: 8px;
    margin-bottom: 1rem;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    background: white;
    font-size: 0.9rem;
}

.data-table th {
    background: linear-gradient(135deg, #3498db, #2980b9);
    color: white;
    padding: 1rem 0.75rem;
    text-align: left;
    font-weight: 600;
    white-space: nowrap;
}

.data-table td {
    padding: 0.75rem;
    border-bottom: 1px solid #ecf0f1;
    white-space: nowrap;
}

.data-table tr:hover {
    background: #f8f9fa;
}

.data-table .address {
    font-family: monospace;
    font-size: 0.8rem;
    max-width: 120px;
    overflow: hidden;
    text-overflow: ellipsis;
}

.status-badge {
    padding: 0.25rem 0.5rem;
    border-radius: 12px;
    font-size: 0.8rem;
    font-weight: 500;
}

.status-badge.active {
    background: #d4edda;
    color: #155724;
}

.status-badge.inactive {
    background: #f8d7da;
    color: #721c24;
}

/* Pagination */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1rem;
    margin-top: 1rem;
}

/* Loading Overlay */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    display: none;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    z-index: 10000;
    color: white;
}

.loading-overlay.show {
    display: flex;
}

.spinner {
    width: 50px;
    height: 50px;
    border: 4px solid rgba(255, 255, 255, 0.3);
    border-top: 4px solid white;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: 1rem;
}

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

/* Responsive Design */
@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        text-align: center;
    }
    
    .main-content {
        padding: 1rem;
    }
    
    .dashboard-stats {
        grid-template-columns: 1fr;
    }
    
    .admin-nav {
        flex-direction: column;
    }
    
    .nav-btn {
        min-width: auto;
        flex-direction: row;
        justify-content: center;
    }
    
    .panel-header {
        flex-direction: column;
        align-items: stretch;
    }
    
    .search-input {
        min-width: auto;
        width: 100%;
    }
    
    .action-group .input-group {
        flex-direction: column;
        align-items: stretch;
    }
    
    .form-grid,
    .settings-grid,
    .user-actions,
    .update-actions {
        grid-template-columns: 1fr;
    }
    
    .data-table {
        font-size: 0.8rem;
    }
    
    .data-table th,
    .data-table td {
        padding: 0.5rem 0.25rem;
    }
}

@media (max-width: 480px) {
    .logo h1 {
        font-size: 1.4rem;
    }
    
    .stat-card {
        padding: 1rem;
    }
    
    .stat-info h3 {
        font-size: 1.5rem;
    }
    
    .tab-panel {
        padding: 1rem;
    }
    
    .setting-group,
    .investment-form,
    .action-group {
        padding: 1rem;
    }
}

/* Utility Classes */
.text-center { text-align: center; }
.text-right { text-align: right; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.hidden { display: none !important; }
.visible { display: block !important; }