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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    color: #333;
    line-height: 1.6;
}

.container {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Header Styles */
.header {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    padding: 1rem 2rem;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1400px;
    margin: 0 auto;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.header-icon {
    font-size: 2rem;
    color: #667eea;
    background: linear-gradient(135deg, #667eea, #764ba2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.header-title {
    font-size: 1.8rem;
    font-weight: 700;
    color: #2d3748;
    margin: 0;
}

.stats-container {
    display: flex;
    gap: 2rem;
}

.stat-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.8);
    border-radius: 12px;
    min-width: 100px;
    transition: transform 0.2s ease;
}

.stat-item:hover {
    transform: translateY(-2px);
}

.stat-icon {
    font-size: 1.5rem;
    color: #667eea;
}

.stat-icon.active {
    color: #48bb78;
}

.stat-label {
    font-size: 0.75rem;
    font-weight: 500;
    color: #718096;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.stat-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: #2d3748;
}

/* Main Content */
.main-content {
    flex: 1;
    padding: 2rem;
    max-width: 1400px;
    margin: 0 auto;
    width: 100%;
}

/* Controls */
.controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    gap: 1rem;
    flex-wrap: wrap;
}

.controls-left {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.controls-right {
    display: flex;
    gap: 1rem;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 8px;
    font-weight: 500;
    font-size: 0.875rem;
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
    white-space: nowrap;
}

.btn-primary {
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.6);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.9);
    color: #4a5568;
    border: 1px solid rgba(226, 232, 240, 0.8);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 1);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.btn-secondary.active {
    background: #667eea;
    color: white;
    border-color: #667eea;
}

/* Search */
.search-container {
    position: relative;
    min-width: 300px;
}

.search-icon {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: #a0aec0;
    z-index: 1;
}

.search-input {
    width: 100%;
    padding: 0.75rem 1rem 0.75rem 2.5rem;
    border: 1px solid rgba(226, 232, 240, 0.8);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.9);
    font-size: 0.875rem;
    transition: all 0.2s ease;
}

.search-input:focus {
    outline: none;
    border-color: #667eea;
    background: white;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

/* Table Container */
.table-container {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 16px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    backdrop-filter: blur(10px);
}

.table-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 2rem;
    border-bottom: 1px solid rgba(226, 232, 240, 0.8);
    background: rgba(248, 250, 252, 0.8);
}

.table-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: #2d3748;
    margin: 0;
}

.device-count {
    font-size: 0.875rem;
    color: #718096;
    font-weight: 500;
}

/* Table */
.table-wrapper {
    overflow-x: auto;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.875rem;
}

.data-table th {
    background: rgba(248, 250, 252, 0.8);
    padding: 1rem;
    text-align: left;
    font-weight: 600;
    color: #4a5568;
    border-bottom: 1px solid rgba(226, 232, 240, 0.8);
    white-space: nowrap;
}

.data-table td {
    padding: 1rem;
    border-bottom: 1px solid rgba(226, 232, 240, 0.4);
    vertical-align: middle;
}

.data-table tbody tr {
    transition: background-color 0.2s ease;
}

.data-table tbody tr:hover {
    background: rgba(102, 126, 234, 0.05);
}

/* Column widths */
.th-id { width: 60px; }
.th-name { width: 250px; }
.th-device-id { width: 180px; }
.th-mac { width: 150px; }
.th-ip { width: 120px; }
.th-status { width: 100px; }
.th-connected { width: 150px; }
.th-last-seen { width: 150px; }

/* Status badges */
.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.status-badge.connected {
    background: rgba(72, 187, 120, 0.1);
    color: #48bb78;
}

.status-badge.disconnected {
    background: rgba(245, 101, 101, 0.1);
    color: #f56565;
}

/* Inline editing */
.editable-cell {
    position: relative;
    cursor: pointer;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    transition: background-color 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
}

.editable-cell .device-name-text {
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    margin-right: 0.5rem;
}

.editable-cell .edit-icon {
    opacity: 0.6;
    color: #667eea;
    font-size: 0.8rem;
    transition: all 0.2s ease;
    cursor: pointer;
    padding: 0.25rem;
    border-radius: 3px;
    flex-shrink: 0;
}

.editable-cell:hover .edit-icon {
    opacity: 1;
    background: rgba(102, 126, 234, 0.1);
    transform: scale(1.1);
}

.editable-cell .edit-icon:hover {
    background: rgba(102, 126, 234, 0.2);
}

.editable-cell:hover {
    background: rgba(102, 126, 234, 0.1);
}

.editable-cell.editing {
    padding: 0;
}

.editable-cell.editing .edit-icon {
    display: none;
}

/* Tooltip styles */
.editable-cell::after {
    content: "Click to edit";
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0, 0, 0, 0.8);
    color: white;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    font-size: 0.75rem;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease;
    z-index: 1000;
}

.editable-cell:hover::after {
    opacity: 1;
}

.editable-cell.editing::after {
    display: none;
}

.edit-input {
    width: 100%;
    padding: 0.5rem;
    border: 2px solid #667eea;
    border-radius: 4px;
    font-size: 0.875rem;
    background: white;
}

.edit-input:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.edit-actions {
    display: flex;
    gap: 0.25rem;
    margin-top: 0.25rem;
}

.edit-btn {
    padding: 0.25rem 0.5rem;
    border: none;
    border-radius: 4px;
    font-size: 0.75rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

.edit-btn.save {
    background: #48bb78;
    color: white;
}

.edit-btn.cancel {
    background: #e2e8f0;
    color: #4a5568;
}

.edit-btn:hover {
    transform: translateY(-1px);
}

/* Loading and Empty States */
.loading-container, .empty-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 4rem 2rem;
    text-align: center;
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid rgba(102, 126, 234, 0.2);
    border-top: 3px solid #667eea;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: 1rem;
}

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

.loading-text {
    color: #718096;
    font-size: 0.875rem;
}

.empty-icon {
    font-size: 3rem;
    color: #cbd5e0;
    margin-bottom: 1rem;
}

.empty-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: #4a5568;
    margin-bottom: 0.5rem;
}

.empty-description {
    color: #718096;
    font-size: 0.875rem;
}

/* Toast Notifications */
.toast-container {
    position: fixed;
    top: 2rem;
    right: 2rem;
    z-index: 1000;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.toast {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 1.5rem;
    border-radius: 8px;
    color: white;
    font-weight: 500;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    animation: slideIn 0.3s ease;
    max-width: 400px;
}

.toast.success {
    background: linear-gradient(135deg, #48bb78, #38a169);
}

.toast.error {
    background: linear-gradient(135deg, #f56565, #e53e3e);
}

.toast.info {
    background: linear-gradient(135deg, #4299e1, #3182ce);
}

@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* Responsive Design */
@media (max-width: 1024px) {
    .header-content {
        flex-direction: column;
        gap: 1rem;
    }
    
    .stats-container {
        gap: 1rem;
    }
    
    .controls {
        flex-direction: column;
        align-items: stretch;
    }
    
    .controls-left, .controls-right {
        justify-content: center;
    }
    
    .search-container {
        min-width: auto;
        width: 100%;
    }
}

@media (max-width: 768px) {
    .main-content {
        padding: 1rem;
    }
    
    .table-header {
        padding: 1rem;
        flex-direction: column;
        gap: 0.5rem;
        align-items: stretch;
    }
    
    .data-table th,
    .data-table td {
        padding: 0.75rem 0.5rem;
        font-size: 0.8rem;
    }
    
    .stats-container {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .stat-item {
        flex-direction: row;
        justify-content: space-between;
        min-width: auto;
    }
}

/* Utility Classes */
.text-muted {
    color: #718096;
}

.text-success {
    color: #48bb78;
}

.text-error {
    color: #f56565;
}

.font-mono {
    font-family: 'SF Mono', Monaco, 'Cascadia Code', 'Roboto Mono', Consolas, 'Courier New', monospace;
    font-size: 0.8rem;
}

.truncate {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}