/* CSS Variables */
:root {
    --primary-color: #00d4ff;
    --primary-hover: #00b8e6;
    --secondary-color: #8b5cf6;
    --success-color: #10b981;
    --danger-color: #ff006e;
    --warning-color: #f59e0b;
    --info-color: #3b82f6;
    --dark-bg: #0a0e27;
    --darker-bg: #050714;
    --card-bg: rgba(255, 255, 255, 0.05);
    --text-primary: #ffffff;
    --text-secondary: #a0aec0;
    --border-color: rgba(0, 212, 255, 0.2);
    --sidebar-width: 260px;
    --header-height: 70px;
    --shadow-sm: 0 1px 2px 0 rgba(0, 212, 255, 0.1);
    --shadow: 0 4px 6px -1px rgba(0, 212, 255, 0.2);
    --shadow-lg: 0 10px 15px -3px rgba(0, 212, 255, 0.3);
    --transition: all 0.3s ease;
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: 'Rajdhani', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    background-color: var(--darker-bg);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
    position: relative;
}

/* App Container */
.app-container {
    display: flex;
    min-height: calc(100vh - 200px);
    position: relative;
    z-index: 1;
}

/* Sidebar Styles */
.sidebar {
    width: var(--sidebar-width);
    background: linear-gradient(180deg, rgba(10, 14, 39, 0.95) 0%, rgba(5, 7, 20, 0.98) 100%);
    backdrop-filter: blur(10px);
    border-right: 1px solid var(--border-color);
    color: #ffffff;
    position: fixed;
    height: calc(100vh - 80px);
    top: 80px;
    left: 0;
    overflow-y: auto;
    overflow-x: hidden;
    z-index: 999;
    transition: var(--transition);
    box-shadow: 2px 0 20px rgba(0, 212, 255, 0.1);
}

.sidebar::-webkit-scrollbar {
    width: 6px;
}

.sidebar::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.2);
}

.sidebar::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 3px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 24px;
    font-size: 1.4rem;
    font-weight: 700;
    font-family: 'Orbitron', sans-serif;
    border-bottom: 1px solid var(--border-color);
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.logo i {
    font-size: 1.8rem;
    color: var(--primary-color);
    filter: drop-shadow(0 0 10px var(--primary-color));
}

.sidebar-nav {
    padding: 16px 0;
    display: flex;
    flex-direction: column;
    gap: 0;
}

.sidebar-nav .nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 24px;
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition);
    border-left: 3px solid transparent;
    position: relative;
    overflow: hidden;
    white-space: nowrap;
    width: 100%;
}

.sidebar-nav .nav-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    width: 0;
    height: 100%;
    background: linear-gradient(90deg, rgba(0, 212, 255, 0.1), transparent);
    transition: width 0.3s ease;
}

.sidebar-nav .nav-item:hover::before {
    width: 100%;
}

.sidebar-nav .nav-item:hover {
    background: rgba(0, 212, 255, 0.05);
    color: var(--primary-color);
}

.sidebar-nav .nav-item.active {
    background: rgba(139, 92, 246, 0.1);
    color: var(--primary-color);
    border-left-color: var(--primary-color);
    box-shadow: inset 0 0 20px rgba(0, 212, 255, 0.1);
}

.sidebar-nav .nav-item i {
    font-size: 1.1rem;
    width: 24px;
    text-align: center;
}

.sidebar-footer {
    padding: 16px 24px;
    background: rgba(0, 0, 0, 0.3);
    border-top: 1px solid var(--border-color);
    text-align: center;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* Main Content */
.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    min-height: 100vh;
    transition: var(--transition);
    padding-bottom: 200px;
}

/* Header */
.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 32px;
    height: var(--header-height);
    background: rgba(10, 14, 39, 0.8);
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 20px rgba(0, 212, 255, 0.1);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 80px;
    z-index: 100;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 16px;
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--primary-color);
    transition: var(--transition);
}

.menu-toggle:hover {
    transform: scale(1.1);
    filter: drop-shadow(0 0 10px var(--primary-color));
}

.header h1 {
    font-size: 1.5rem;
    font-weight: 600;
    font-family: 'Orbitron', sans-serif;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 16px;
}

.file-info {
    padding: 8px 16px;
    background: rgba(0, 212, 255, 0.1);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 0.9rem;
    color: var(--primary-color);
}

/* Content Area */
.content-area {
    padding: 32px;
    max-width: 100%;
    overflow-x: hidden;
}

/* Sections */
.section {
    display: none;
}

.section.active {
    display: block;
    animation: fadeIn 0.2s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(5px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Mobile Responsive */
@media (max-width: 1024px) {
    .sidebar {
        transform: translateX(-100%);
    }
    
    .sidebar.open {
        transform: translateX(0);
    }
    
    .main-content {
        margin-left: 0;
    }
    
    .menu-toggle {
        display: block;
    }
}

@media (max-width: 768px) {
    .header h1 {
        font-size: 1.2rem;
    }
    
    .content-area {
        padding: 16px;
    }
}

/* Upload Section */
.upload-container {
    max-width: 600px;
    margin: 0 auto;
}

.upload-box {
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    border: 3px dashed var(--border-color);
    border-radius: 16px;
    padding: 60px 40px;
    text-align: center;
    transition: var(--transition);
    cursor: pointer;
}

.upload-box:hover,
.upload-box.dragover {
    border-color: var(--primary-color);
    background: rgba(0, 212, 255, 0.1);
    box-shadow: 0 0 30px rgba(0, 212, 255, 0.2);
}

.upload-box i {
    font-size: 4rem;
    color: var(--primary-color);
    margin-bottom: 20px;
    filter: drop-shadow(0 0 10px var(--primary-color));
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.upload-box h2 {
    font-size: 1.5rem;
    margin-bottom: 8px;
    font-family: 'Orbitron', sans-serif;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.upload-box p {
    color: var(--text-secondary);
    margin-bottom: 20px;
}

.divider {
    display: block;
    margin: 20px 0;
    color: var(--text-secondary);
}

.upload-progress {
    margin-top: 24px;
    text-align: center;
}

.progress-bar {
    height: 8px;
    background: var(--border-color);
    border-radius: 4px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), var(--info-color));
    border-radius: 4px;
    width: 0%;
    transition: width 0.3s ease;
}

.sample-data {
    margin-top: 40px;
    text-align: center;
}

.sample-data h3 {
    margin-bottom: 16px;
    color: var(--text-secondary);
}

.sample-buttons {
    display: flex;
    justify-content: center;
    gap: 12px;
    flex-wrap: wrap;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: #ffffff;
    box-shadow: 0 4px 15px rgba(0, 212, 255, 0.3);
    position: relative;
    overflow: hidden;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn-primary:hover::before {
    width: 300px;
    height: 300px;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(0, 212, 255, 0.5);
}

.btn-secondary {
    background: rgba(139, 92, 246, 0.2);
    color: var(--secondary-color);
    border: 1px solid var(--secondary-color);
}

.btn-secondary:hover {
    background: var(--secondary-color);
    color: #ffffff;
    transform: translateY(-2px);
}

.btn-success {
    background: rgba(16, 185, 129, 0.2);
    color: var(--success-color);
    border: 1px solid var(--success-color);
}

.btn-success:hover {
    background: var(--success-color);
    color: #ffffff;
}

.btn-danger {
    background: rgba(255, 0, 110, 0.2);
    color: var(--danger-color);
    border: 1px solid var(--danger-color);
}

.btn-danger:hover {
    background: var(--danger-color);
    color: #ffffff;
}

.btn-warning {
    background: rgba(245, 158, 11, 0.2);
    color: var(--warning-color);
    border: 1px solid var(--warning-color);
}

.btn-warning:hover {
    background: var(--warning-color);
    color: #ffffff;
}

.btn-info {
    background: rgba(59, 130, 246, 0.2);
    color: var(--info-color);
    border: 1px solid var(--info-color);
}

.btn-info:hover {
    background: var(--info-color);
    color: #ffffff;
}

/* Form Elements */
input[type="text"],
input[type="email"],
input[type="number"],
input[type="datetime-local"],
select,
textarea {
    width: 100%;
    padding: 12px 16px;
    background: rgba(0, 212, 255, 0.05);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    font-family: 'Rajdhani', sans-serif;
    font-size: 1rem;
    transition: var(--transition);
}

/* Select dropdown options */
select option {
    background: var(--dark-bg);
    color: var(--text-primary);
    padding: 8px;
}

input[type="text"]:focus,
input[type="email"]:focus,
input[type="number"]:focus,
input[type="datetime-local"]:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 20px rgba(0, 212, 255, 0.2);
    background: rgba(0, 212, 255, 0.1);
}

.search-input,
.select-input,
.number-input,
.datetime-input,
.textarea-input {
    background: rgba(0, 212, 255, 0.05);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 10px 16px;
    border-radius: 8px;
    transition: var(--transition);
}

.search-input:focus,
.select-input:focus,
.number-input:focus,
.datetime-input:focus,
.textarea-input:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 15px rgba(0, 212, 255, 0.2);
}

.btn-warning {
    background: var(--warning-color);
    color: #ffffff;
}

.btn-warning:hover {
    background: #d97706;
}

.btn-info {
    background: var(--info-color);
    color: #ffffff;
}

.btn-info:hover {
    background: #2563eb;
}

/* Cards */
.card {
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    box-shadow: var(--shadow);
    overflow: hidden;
    transition: var(--transition);
    position: relative;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--primary-color), transparent);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.card:hover::before {
    opacity: 1;
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(0, 212, 255, 0.2);
    border-color: var(--primary-color);
}

.card-header {
    display: flex;
    align-items: center;
    padding: 20px 24px;
    border-bottom: 1px solid var(--border-color);
    background: rgba(0, 212, 255, 0.05);
}

.card-header h3 {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.1rem;
    margin: 0;
    font-family: 'Orbitron', sans-serif;
    color: var(--primary-color);
}

.card-header h3 i {
    color: var(--primary-color);
    filter: drop-shadow(0 0 5px var(--primary-color));
}

.card-body {
    padding: 24px;
}

.full-width {
    grid-column: 1 / -1;
}

/* Data Table */
.data-table-container {
    overflow-x: auto;
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    box-shadow: var(--shadow);
}

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

.data-table thead {
    background: rgba(0, 212, 255, 0.1);
    position: sticky;
    top: 0;
    z-index: 10;
}

.data-table th {
    padding: 16px 12px;
    text-align: left;
    font-weight: 600;
    color: var(--primary-color);
    border-bottom: 2px solid var(--border-color);
    font-family: 'Orbitron', sans-serif;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.data-table td {
    padding: 14px 12px;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-secondary);
}

.data-table tbody tr {
    transition: var(--transition);
}

.data-table tbody tr:hover {
    background: rgba(0, 212, 255, 0.05);
    transform: scale(1.01);
}

.data-table th,
.data-table td {
    padding: 14px 16px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.data-table th {
    background: var(--dark-bg);
    color: #ffffff;
    font-weight: 600;
    white-space: nowrap;
    position: sticky;
    top: 0;
}

.data-table tr:hover td {
    background: rgba(79, 70, 229, 0.05);
}

.data-table tr.outlier td {
    background: rgba(239, 68, 68, 0.1);
}

/* Section Controls */
.section-header {
    margin-bottom: 24px;
}

.section-controls {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    align-items: center;
}

.search-input,
.select-input,
.number-input {
    padding: 10px 16px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 0.95rem;
    transition: var(--transition);
}

.search-input:focus,
.select-input:focus,
.number-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

.search-input {
    min-width: 250px;
}

/* Column Selector */
.column-selector {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 16px;
}

.column-chip {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    background: rgba(0, 212, 255, 0.1);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    border-radius: 20px;
    cursor: pointer;
    transition: var(--transition);
    font-size: 0.9rem;
}

.column-chip:hover {
    background: rgba(0, 212, 255, 0.2);
    border-color: var(--primary-color);
}

.column-chip.selected {
    background: var(--primary-color);
    color: #ffffff;
}

.column-chip input {
    display: none;
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
}

/* Statistics Results */
.stats-table {
    width: 100%;
    border-collapse: collapse;
}

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

.stats-table th {
    background: var(--primary-color);
    color: #ffffff;
}

.stats-table tr:nth-child(even) {
    background: rgba(0, 212, 255, 0.05);
}

.stats-table td {
    color: var(--text-primary);
}

/* Control Groups */
.control-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.control-group label {
    font-weight: 500;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* Outlier Controls */
.outlier-controls,
.distribution-controls,
.timeseries-controls,
.correlation-controls,
.heatmap-controls {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    margin-bottom: 24px;
    align-items: flex-end;
}

.correlation-options {
    display: flex;
    align-items: flex-end;
    gap: 12px;
}

.correlation-options .btn {
    padding: 13px 24px;
    white-space: nowrap;
}

/* Visualization Controls */
.viz-controls {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    margin-bottom: 24px;
    padding: 24px;
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    align-items: flex-end;
}

.chart-container {
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-color);
    padding: 24px;
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    min-height: 400px;
}

/* Security Grid */
.security-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
    margin-bottom: 24px;
}

/* Export Grid */
.export-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}

.export-btn {
    width: 100%;
    margin-bottom: 12px;
    justify-content: center;
}

.export-btn:last-child {
    margin-bottom: 0;
}

.report-options {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 16px;
}

.report-options label {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
}

/* Pagination */
.pagination {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 24px;
}

.pagination button {
    padding: 8px 16px;
    border: 1px solid var(--border-color);
    background: var(--card-bg);
    color: var(--text-primary);
    border-radius: 6px;
    cursor: pointer;
    transition: var(--transition);
}

.pagination button:hover,
.pagination button.active {
    background: var(--primary-color);
    color: #ffffff;
    border-color: var(--primary-color);
}

/* Data Summary */
.data-summary {
    margin-top: 24px;
    padding: 16px;
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    display: flex;
    gap: 24px;
    flex-wrap: wrap;
}

.data-summary .summary-item {
    display: flex;
    align-items: center;
    gap: 8px;
}

.data-summary .summary-item strong {
    color: var(--primary-color);
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 2000;
    align-items: center;
    justify-content: center;
}

.modal.active {
    display: flex;
}

.modal-content {
    background: var(--dark-bg);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    border-radius: 12px;
    width: 90%;
    max-width: 600px;
    max-height: 80vh;
    overflow: hidden;
    animation: modalSlide 0.3s ease;
}

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

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 24px;
    border-bottom: 1px solid var(--border-color);
}

.modal-header h3 {
    font-size: 1.2rem;
    color: var(--text-primary);
}

.close-btn {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-secondary);
}

.close-btn:hover {
    color: var(--danger-color);
}

.modal-body {
    padding: 24px;
    max-height: 400px;
    overflow-y: auto;
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 12px;
    padding: 20px 24px;
    border-top: 1px solid var(--border-color);
}

/* Filter Controls */
.filter-row {
    display: flex;
    gap: 12px;
    margin-bottom: 16px;
    align-items: center;
}

.filter-row select,
.filter-row input {
    flex: 1;
    padding: 10px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
}

/* Loading Overlay */
.loading-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(10, 14, 39, 0.95);
    backdrop-filter: blur(10px);
    z-index: 3000;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 16px;
}

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

.spinner {
    width: 50px;
    height: 50px;
    border: 4px solid var(--border-color);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* Toast Notification */
.toast {
    position: fixed;
    bottom: 24px;
    right: 24px;
    padding: 16px 24px;
    background: var(--dark-bg);
    color: #ffffff;
    border-radius: 8px;
    box-shadow: var(--shadow-lg);
    transform: translateY(100px);
    opacity: 0;
    transition: var(--transition);
    z-index: 4000;
}

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

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

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

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

/* Correlation Matrix */
.correlation-matrix {
    overflow-x: auto;
    margin-top: 16px;
}

.correlation-matrix table {
    border-collapse: collapse;
    width: 100%;
}

.correlation-matrix th,
.correlation-matrix td {
    padding: 10px;
    text-align: center;
    border: 1px solid var(--border-color);
    font-size: 0.85rem;
    color: var(--text-primary);
}

.correlation-matrix th {
    background: var(--dark-bg);
    color: #ffffff;
}

/* Outlier Results */
.outlier-summary {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}

.outlier-stat {
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-color);
    padding: 16px;
    border-radius: 8px;
    text-align: center;
}

.outlier-stat .value {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary-color);
}

.outlier-stat .label {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* Distribution Stats */
.distribution-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 16px;
    margin-top: 24px;
    padding: 20px;
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-color);
    border-radius: 8px;
}

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

.dist-stat .value {
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--primary-color);
}

.dist-stat .label {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

/* Frequency Results */
.frequency-table {
    width: 100%;
    margin-top: 16px;
}

.frequency-bar {
    height: 20px;
    background: linear-gradient(90deg, var(--primary-color), var(--info-color));
    border-radius: 4px;
    transition: width 0.5s ease;
}

/* IP Analysis Results */
.ip-summary {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 12px;
    margin-top: 16px;
}

.ip-stat {
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-color);
    padding: 12px;
    border-radius: 8px;
    text-align: center;
    color: var(--text-primary);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .sidebar {
        transform: translateX(-100%);
    }
    
    .sidebar.open {
        transform: translateX(0);
    }
    
    .main-content {
        margin-left: 0;
    }
    
    .menu-toggle {
        display: block;
    }
    
    .security-metrics,
    .threat-stats {
        grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    }
    
    .forensics-grid,
    .threat-grid,
    .risk-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    }
}

@media (max-width: 768px) {
    .content-area {
        padding: 16px;
    }
    
    .header {
        padding: 0 16px;
    }
    
    .header h1 {
        font-size: 1.2rem;
    }
    
    .upload-box {
        padding: 40px 20px;
    }
    
    .viz-controls {
        flex-direction: column;
        align-items: stretch;
    }
    
    .viz-controls .control-group {
        width: 100%;
    }
    
    .stats-grid,
    .security-grid,
    .export-grid,
    .forensics-grid,
    .threat-grid,
    .risk-grid {
        grid-template-columns: 1fr;
    }
    
    .section-controls {
        flex-direction: column;
    }
    
    .search-input {
        min-width: 100%;
        width: 100%;
    }
    
    .outlier-controls,
    .distribution-controls,
    .timeseries-controls,
    .correlation-controls,
    .heatmap-controls,
    .forensics-controls {
        flex-direction: column;
    }
    
    .correlation-options {
        flex-direction: column;
        width: 100%;
    }
    
    .risk-score-display {
        flex-direction: column;
    }
    
    .risk-gauge {
        width: 150px;
        height: 150px;
    }
    
    .risk-gauge::before {
        width: 110px;
        height: 110px;
    }
    
    .gauge-value {
        font-size: 2rem;
    }
}

@media (max-width: 480px) {
    .header-right {
        flex-direction: column;
        gap: 8px;
        align-items: flex-end;
    }
    
    .file-info {
        font-size: 0.75rem;
        padding: 6px 12px;
    }
    
    .sidebar-nav .nav-item {
        padding: 12px 16px;
        font-size: 0.9rem;
    }
    
    .metric-card,
    .threat-stat {
        padding: 16px;
    }
    
    .metric-card .metric-value,
    .threat-stat .stat-value {
        font-size: 2rem;
    }
    
    .sample-buttons {
        flex-direction: column;
    }
    
    .sample-buttons .btn {
        width: 100%;
    }
    
    .data-table {
        font-size: 0.8rem;
    }
    
    .data-table th,
    .data-table td {
        padding: 10px 8px;
    }
}

/* Scrollbar Styling */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.2);
}

::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 4px;
}

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

/* Dark Mode Support */
@media (prefers-color-scheme: dark) {
    /* Add dark mode styles here if needed */
}

/* Print Styles */
@media print {
    .sidebar,
    .header,
    .nav-menu,
    .btn {
        display: none !important;
    }
    
    .main-content {
        margin: 0;
    }
    
    .content-area {
        padding: 0;
    }
    
    .card {
        break-inside: avoid;
        box-shadow: none;
        border: 1px solid #ddd;
    }
}

/* Security Dashboard Styles */
.security-dashboard {
    margin-bottom: 24px;
}

.security-metrics {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}

.metric-card {
    padding: 24px;
    border-radius: 12px;
    text-align: center;
    color: #fff;
    transition: var(--transition);
}

.metric-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.metric-card i {
    font-size: 2rem;
    margin-bottom: 8px;
}

.metric-card .metric-value {
    font-size: 2.5rem;
    font-weight: 700;
}

.metric-card .metric-label {
    font-size: 0.9rem;
    opacity: 0.9;
}

.metric-card.critical {
    background: linear-gradient(135deg, #dc2626, #991b1b);
}

.metric-card.high {
    background: linear-gradient(135deg, #ea580c, #c2410c);
}

.metric-card.medium {
    background: linear-gradient(135deg, #d97706, #b45309);
}

.metric-card.low {
    background: linear-gradient(135deg, #16a34a, #15803d);
}

/* Risk Analysis Styles */
.risk-header {
    margin-bottom: 24px;
}

.risk-score-display {
    display: flex;
    gap: 40px;
    align-items: center;
    flex-wrap: wrap;
    margin-bottom: 24px;
}

.risk-gauge {
    width: 200px;
    height: 200px;
    border-radius: 50%;
    background: conic-gradient(
        #16a34a 0deg 90deg,
        #d97706 90deg 180deg,
        #ea580c 180deg 270deg,
        #dc2626 270deg 360deg
    );
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.risk-gauge::before {
    content: '';
    position: absolute;
    width: 150px;
    height: 150px;
    background: var(--dark-bg);
    border: 2px solid var(--border-color);
    border-radius: 50%;
}

.gauge-value {
    position: relative;
    font-size: 3rem;
    font-weight: 700;
    color: var(--text-primary);
}

.gauge-label {
    position: relative;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.risk-breakdown {
    flex: 1;
    min-width: 300px;
}

.risk-breakdown h4 {
    margin-bottom: 16px;
}

.risk-factor {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    border-radius: 8px;
    margin-bottom: 8px;
}

.risk-factor-bar {
    flex: 1;
    height: 8px;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    margin: 0 16px;
    overflow: hidden;
}

.risk-factor-fill {
    height: 100%;
    border-radius: 4px;
    transition: width 0.5s ease;
}

.risk-factor-fill.critical { background: #dc2626; }
.risk-factor-fill.high { background: #ea580c; }
.risk-factor-fill.medium { background: #d97706; }
.risk-factor-fill.low { background: #16a34a; }

.risk-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 24px;
    margin-bottom: 24px;
}

/* Threat Detection Styles */
.threat-dashboard {
    margin-bottom: 24px;
}

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

.threat-stat {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 24px;
    background: linear-gradient(135deg, #1f2937, #374151);
    border-radius: 12px;
    color: #fff;
}

.threat-stat i {
    font-size: 2.5rem;
    margin-bottom: 12px;
    color: #ef4444;
}

.threat-stat .stat-value {
    font-size: 2.5rem;
    font-weight: 700;
}

.threat-stat .stat-label {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.7);
    text-align: center;
}

.threat-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 24px;
    margin-bottom: 24px;
}

/* Forensics Styles */
.forensics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 24px;
    margin-bottom: 24px;
}

.forensics-controls {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    margin-bottom: 24px;
    align-items: flex-end;
}

.datetime-input {
    padding: 10px 16px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 0.95rem;
}

.textarea-input {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 0.9rem;
    resize: vertical;
    font-family: 'Fira Code', monospace;
}

/* Forensic Timeline */
.forensic-timeline {
    position: relative;
    padding-left: 30px;
    margin-top: 20px;
}

.forensic-timeline::before {
    content: '';
    position: absolute;
    left: 10px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--border-color);
}

.timeline-event {
    position: relative;
    padding: 16px;
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    margin-bottom: 16px;
    border-left: 4px solid var(--primary-color);
}

.timeline-event::before {
    content: '';
    position: absolute;
    left: -24px;
    top: 20px;
    width: 12px;
    height: 12px;
    background: var(--primary-color);
    border-radius: 50%;
    border: 3px solid var(--dark-bg);
}

.timeline-event.critical { border-left-color: #dc2626; }
.timeline-event.critical::before { background: #dc2626; }

.timeline-event.high { border-left-color: #ea580c; }
.timeline-event.high::before { background: #ea580c; }

.timeline-event.warning { border-left-color: #d97706; }
.timeline-event.warning::before { background: #d97706; }

.timeline-time {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-bottom: 4px;
}

.timeline-title {
    font-weight: 600;
    margin-bottom: 4px;
}

.timeline-details {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* Report Config */
.report-config {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    margin-bottom: 20px;
}

.report-config label {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    padding: 8px 16px;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    border-radius: 6px;
    transition: var(--transition);
}

.report-config label:hover {
    background: rgba(0, 212, 255, 0.1);
    border-color: var(--primary-color);
}

/* IoC Badge */
.ioc-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 0.85rem;
    margin: 4px;
}

.ioc-badge.malicious {
    background: rgba(220, 38, 38, 0.2);
    color: #fca5a5;
    border: 1px solid #dc2626;
}

.ioc-badge.suspicious {
    background: rgba(245, 158, 11, 0.2);
    color: #fbbf24;
    border: 1px solid #f59e0b;
}

.ioc-badge.clean {
    background: rgba(16, 185, 129, 0.2);
    color: #6ee7b7;
    border: 1px solid #10b981;
}

/* Threat Level Indicators */
.threat-level {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}

.threat-level.critical {
    background: #dc2626;
    color: #fff;
}

.threat-level.high {
    background: #ea580c;
    color: #fff;
}

.threat-level.medium {
    background: #d97706;
    color: #fff;
}

.threat-level.low {
    background: #16a34a;
    color: #fff;
}

.threat-level.info {
    background: #3b82f6;
    color: #fff;
}

/* Attack Chain Visualization */
.attack-chain {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    align-items: center;
    padding: 16px;
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    margin-top: 16px;
}

.attack-step {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    background: rgba(0, 212, 255, 0.05);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    border-radius: 8px;
}

.attack-step.active {
    border-color: #dc2626;
    background: rgba(220, 38, 38, 0.2);
    color: #fca5a5;
}

.attack-arrow {
    color: var(--text-secondary);
}

/* Risk Matrix Table */
.risk-matrix-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 16px;
}

.risk-matrix-table th,
.risk-matrix-table td {
    padding: 12px;
    text-align: center;
    border: 1px solid var(--border-color);
    font-size: 0.85rem;
    color: var(--text-primary);
}

.risk-matrix-table th {
    background: var(--dark-bg);
    color: #fff;
}

.risk-cell {
    font-weight: 600;
    color: #fff;
    border-radius: 4px;
    padding: 8px;
}

.risk-cell.critical { background: #dc2626; }
.risk-cell.high { background: #ea580c; }
.risk-cell.medium { background: #d97706; }
.risk-cell.low { background: #16a34a; }

/* Vulnerability List */
.vuln-list {
    max-height: 300px;
    overflow-y: auto;
}

.vuln-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px;
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    border-radius: 8px;
    margin-bottom: 8px;
    border-left: 4px solid var(--border-color);
}

.vuln-item.critical { border-left-color: #dc2626; }
.vuln-item.high { border-left-color: #ea580c; }
.vuln-item.medium { border-left-color: #d97706; }
.vuln-item.low { border-left-color: #16a34a; }

.vuln-name {
    font-weight: 500;
}

.vuln-score {
    font-weight: 700;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.85rem;
}

/* Brute Force Results */
.brute-force-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    background: rgba(220, 38, 38, 0.15);
    border: 1px solid rgba(220, 38, 38, 0.4);
    color: var(--text-primary);
    border-radius: 8px;
    margin-bottom: 8px;
}

.brute-force-item .ip {
    font-family: 'Fira Code', monospace;
    font-weight: 600;
}

.brute-force-item .attempts {
    color: #fca5a5;
    font-weight: 700;
}

/* Session Analysis */
.session-item {
    padding: 16px;
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    border-radius: 8px;
    margin-bottom: 12px;
}

.session-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 8px;
}

.session-id {
    font-family: 'Fira Code', monospace;
    font-weight: 600;
}

.session-duration {
    color: var(--text-secondary);
    font-size: 0.85rem;
}

.session-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.session-action {
    padding: 4px 10px;
    background: rgba(0, 212, 255, 0.15);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    border-radius: 4px;
    font-size: 0.8rem;
}

/* Network Graph Placeholder */
.network-graph {
    min-height: 400px;
    background: linear-gradient(135deg, #1f2937, #374151);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255, 255, 255, 0.5);
}