:root {
    --bg-color: #f4f6f9;
    --panel-bg: #ffffff;
    --primary: #4a90e2;
    --success: #2ecc71;
    --danger: #e74c3c;
    --text-main: #2c3e50;
    --text-muted: #7f8c8d;
    --border-color: #e1e5eb;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-main);
    display: flex;
    flex-direction: column;
    height: 100vh;
    overflow: hidden;
}

.app-header {
    background-color: var(--primary);
    color: white;
    padding: 15px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.app-header h1 {
    font-size: 1.2rem;
    font-weight: 600;
}

.badge {
    background-color: rgba(255,255,255,0.2);
    padding: 5px 10px;
    border-radius: 4px;
    font-size: 0.85rem;
}

.dashboard-container {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 20px;
    padding: 20px;
    flex: 1;
    overflow: hidden;
}

.panel {
    background-color: var(--panel-bg);
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.panel-header {
    background-color: #f8f9fa;
    padding: 15px;
    border-bottom: 1px solid var(--border-color);
}

.panel-header h2 {
    font-size: 1.1rem;
    color: #34495e;
}

.flex-between {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 10px;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 10px;
}

.data-count {
    font-weight: 600;
    color: var(--primary);
    margin-right: 5px;
}

.filter-bar {
    padding: 10px 15px;
    background: #fafbfc;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    gap: 10px;
}

.filter-input {
    flex: 1;
}

.filter-select {
    width: auto;
    min-width: 120px;
}

.panel-content {
    padding: 15px;
    overflow-y: auto;
    flex: 1;
}

/* File Upload */
.upload-zone {
    position: relative;
    border: 2px dashed var(--primary);
    border-radius: 6px;
    padding: 30px;
    text-align: center;
    background-color: #f0f7ff;
    transition: all 0.3s;
}

.upload-zone:hover {
    background-color: #e1efff;
}

.file-input {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    opacity: 0;
    cursor: pointer;
}

.file-label {
    display: flex;
    flex-direction: column;
    align-items: center;
    color: var(--primary);
    font-weight: 600;
}

.file-label i {
    font-size: 2rem;
    margin-bottom: 10px;
}

.file-list-container {
    margin-top: 20px;
}

.file-list-container h4 {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 10px;
}

.file-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.file-list li {
    background-color: #f8f9fa;
    padding: 8px 12px;
    border-radius: 4px;
    margin-bottom: 5px;
    font-size: 0.85rem;
    display: flex;
    justify-content: space-between;
    border: 1px solid var(--border-color);
}

.empty-msg {
    color: var(--text-muted);
    font-style: italic;
    border: none !important;
    background: transparent !important;
}

/* Buttons */
.action-btn {
    padding: 10px;
    border: none;
    border-radius: 4px;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.2s;
    font-size: 1rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
}

#processBtn {
    width: 100%;
    margin-top: 20px;
}

.small-btn {
    padding: 6px 12px;
    font-size: 0.85rem;
}

.action-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

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

.primary-btn:hover:not(:disabled) {
    background-color: #357abd;
}

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

.success-btn:hover:not(:disabled) {
    background-color: #27ae60;
}

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

.danger-btn:hover:not(:disabled) {
    background-color: #c0392b;
}

/* Progress */
.progress-container {
    margin-top: 20px;
}

progress {
    width: 100%;
    height: 10px;
    border-radius: 5px;
}

progress::-webkit-progress-bar {
    background-color: #eee;
    border-radius: 5px;
}

progress::-webkit-progress-value {
    background-color: var(--primary);
    border-radius: 5px;
}

.status-log {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 5px;
    text-align: center;
}

/* Data Table */
.table-wrapper {
    padding: 0;
}

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

.data-table th, .data-table td {
    padding: 12px 15px;
    border-bottom: 1px solid var(--border-color);
    text-align: left;
}

.data-table th {
    background-color: #f8f9fa;
    position: sticky;
    top: 0;
    z-index: 10;
    font-weight: 600;
    color: #34495e;
}

.data-table tbody tr:hover {
    background-color: #fdfdfd;
}

.empty-table {
    text-align: center !important;
    color: var(--text-muted);
    padding: 40px !important;
}

.delete-row-btn {
    color: var(--danger);
    background: none;
    border: none;
    cursor: pointer;
    font-size: 1.1rem;
    padding: 4px;
}

.delete-row-btn:hover {
    color: #c0392b;
}

/* Rules Manager */
.rule-input-group {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 20px;
}

.form-control {
    padding: 8px 10px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 0.9rem;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
}

.rules-list-container h4 {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 10px;
    padding-bottom: 5px;
    border-bottom: 1px solid var(--border-color);
}

.rules-list {
    list-style: none;
}

.rule-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px;
    background-color: #f8f9fa;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    margin-bottom: 8px;
    font-size: 0.9rem;
}

.rule-item .delete-rule {
    color: var(--danger);
    cursor: pointer;
    background: none;
    border: none;
    font-size: 1rem;
}

.rule-item .delete-rule:hover {
    color: #c0392b;
}

/* Custom Notification Toast */
.notification {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background-color: #34495e;
    color: white;
    padding: 15px 25px;
    border-radius: 6px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
    display: flex;
    align-items: center;
    gap: 10px;
    transform: translateY(100px);
    opacity: 0;
    transition: all 0.3s ease;
    z-index: 1000;
}

.notification.show {
    transform: translateY(0);
    opacity: 1;
}

/* Responsive */
@media (max-width: 1024px) {
    .dashboard-container {
        grid-template-columns: 1fr;
        grid-template-rows: auto 500px auto;
        overflow-y: auto;
    }
    
    body {
        height: auto;
        overflow: auto;
    }
    
    .filter-bar {
        flex-direction: column;
    }
}