/* DDoS Detection Dashboard - Dark Theme Styles */

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

:root {
    --bg-primary: #0a0e27;
    --bg-secondary: #1a1f3a;
    --bg-tertiary: #252b4a;
    --accent-cyan: #00f5ff;
    --accent-red: #ff4757;
    --accent-green: #2ed573;
    --accent-orange: #ffa502;
    --text-primary: #ffffff;
    --text-secondary: #a0a0a0;
    --border-color: #3a4a6a;
    --card-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    --glow-cyan: 0 0 20px rgba(0, 245, 255, 0.3);
    --glow-red: 0 0 20px rgba(255, 71, 87, 0.3);
    --glow-green: 0 0 20px rgba(46, 213, 115, 0.3);
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    line-height: 1.6;
}

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

/* Header Styles */
.header {
    text-align: center;
    margin-bottom: 40px;
    padding: 30px 0;
    border-bottom: 2px solid var(--border-color);
}

.header-content {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 20px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 15px;
}

.logo i {
    font-size: 48px;
    color: var(--accent-cyan);
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

.header h1 {
    font-size: 2.5rem;
    background: linear-gradient(135deg, var(--accent-cyan), #00d4ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.subtitle {
    color: var(--text-secondary);
    font-size: 1rem;
    margin-top: 10px;
}

.status-badge {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: var(--bg-secondary);
    border-radius: 20px;
    border: 1px solid var(--border-color);
}

.status-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--accent-orange);
    animation: blink 1.5s ease-in-out infinite;
}

.status-dot.online {
    background: var(--accent-green);
}

.status-dot.offline {
    background: var(--accent-red);
}

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

/* Upload Section */
.upload-section {
    background: var(--bg-secondary);
    border-radius: 16px;
    padding: 40px;
    margin-bottom: 30px;
    box-shadow: var(--card-shadow);
    border: 1px solid var(--border-color);
}

.upload-container {
    border: 3px dashed var(--border-color);
    border-radius: 12px;
    padding: 60px 40px;
    text-align: center;
    transition: all 0.3s ease;
    background: var(--bg-tertiary);
}

.upload-container.dragover {
    border-color: var(--accent-cyan);
    background: rgba(0, 245, 255, 0.05);
    transform: scale(1.02);
}

.upload-content {
    transition: all 0.3s ease;
}

.upload-icon {
    font-size: 64px;
    color: var(--accent-cyan);
    margin-bottom: 20px;
}

.upload-container h2 {
    font-size: 1.8rem;
    margin-bottom: 10px;
    color: var(--text-primary);
}

.upload-container p {
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.upload-hint {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 20px;
}

.browse-btn {
    background: linear-gradient(135deg, var(--accent-cyan), #00d4ff);
    color: var(--bg-primary);
    border: none;
    padding: 12px 30px;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.browse-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--glow-cyan);
}

.file-info {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    padding: 20px;
}

.file-info i {
    font-size: 48px;
    color: var(--accent-green);
}

.file-info span {
    font-size: 1.2rem;
    font-weight: 500;
}

.remove-file {
    background: var(--accent-red);
    color: white;
    border: none;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.remove-file:hover {
    transform: rotate(90deg);
    box-shadow: var(--glow-red);
}

.button-group {
    display: flex;
    gap: 15px;
    margin-top: 20px;
}

.scan-btn {
    flex: 2;
    padding: 16px;
    background: linear-gradient(135deg, var(--accent-orange), #ff6b35);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 1.2rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.scan-btn:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 0 30px rgba(255, 165, 2, 0.4);
}

.download-sample-btn {
    flex: 1;
    padding: 16px;
    background: linear-gradient(135deg, var(--accent-cyan), #00d4ff);
    color: var(--bg-primary);
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.download-sample-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--glow-cyan);
}

/* Format Section */
.format-section {
    margin: 30px 0;
    padding: 20px;
    background: var(--bg-secondary);
    border-radius: 12px;
    border: 1px solid var(--border-color);
}

.format-container {
    max-width: 100%;
}

.format-header {
    text-align: center;
    margin-bottom: 25px;
}

.format-header h2 {
    color: var(--accent-cyan);
    font-size: 1.8rem;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.format-header p {
    color: var(--text-secondary);
    font-size: 1rem;
}

.sample-tip {
    color: var(--accent-cyan) !important;
    font-size: 0.95rem !important;
    margin-top: 10px;
    background: rgba(0, 245, 255, 0.1);
    padding: 10px 15px;
    border-radius: 6px;
    display: inline-block;
}

.sample-tip i {
    margin-right: 5px;
}

.columns-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 12px;
    margin-bottom: 25px;
}

.column-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: var(--bg-tertiary);
    border-radius: 8px;
    border-left: 3px solid var(--accent-cyan);
    transition: all 0.3s ease;
}

.column-item:hover {
    background: var(--bg-primary);
    border-left-color: var(--accent-orange);
    transform: translateX(5px);
}

.column-number {
    background: linear-gradient(135deg, var(--accent-cyan), #00d4ff);
    color: var(--bg-primary);
    font-weight: bold;
    font-size: 0.85rem;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.column-name {
    color: var(--text-primary);
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
    font-weight: 500;
}

.format-note {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 15px;
    background: rgba(255, 165, 2, 0.1);
    border: 1px solid var(--accent-orange);
    border-radius: 8px;
    color: var(--accent-orange);
    font-size: 0.95rem;
    margin-bottom: 20px;
}

.format-note i {
    font-size: 1.2rem;
}

.format-example {
    background: var(--bg-tertiary);
    padding: 20px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.format-example h3 {
    color: var(--accent-green);
    font-size: 1.1rem;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.format-example pre {
    background: var(--bg-primary);
    padding: 15px;
    border-radius: 6px;
    overflow-x: auto;
    font-family: 'Courier New', monospace;
    font-size: 0.8rem;
    color: var(--text-primary);
    border-left: 3px solid var(--accent-green);
    white-space: pre-wrap;
    word-break: break-all;
}

.scan-btn:disabled {
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    cursor: not-allowed;
}

/* Loading */
.loading-container {
    text-align: center;
    padding: 40px;
    background: var(--bg-secondary);
    border-radius: 12px;
    margin-bottom: 30px;
}

.loader {
    width: 60px;
    height: 60px;
    border: 4px solid var(--bg-tertiary);
    border-top-color: var(--accent-cyan);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 20px;
}

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

.loading-container p {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

/* Error Message */
.error-message {
    background: rgba(255, 71, 87, 0.1);
    border: 1px solid var(--accent-red);
    border-radius: 12px;
    padding: 16px 20px;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 12px;
    position: relative;
}

.error-message i {
    color: var(--accent-red);
    font-size: 20px;
}

.error-message span {
    flex: 1;
    color: var(--accent-red);
}

.close-error {
    background: transparent;
    border: none;
    color: var(--accent-red);
    cursor: pointer;
    font-size: 18px;
    padding: 4px;
}

.close-error:hover {
    transform: rotate(90deg);
}

/* Results Section */
.results-section {
    animation: fadeIn 0.5s ease;
}

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

/* Stats Cards */
.stats-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.stat-card {
    background: var(--bg-secondary);
    border-radius: 12px;
    padding: 24px;
    display: flex;
    align-items: center;
    gap: 20px;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

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

.stat-icon {
    width: 60px;
    height: 60px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
}

.attack-card .stat-icon {
    background: rgba(255, 71, 87, 0.15);
    color: var(--accent-red);
}

.benign-card .stat-icon {
    background: rgba(46, 213, 115, 0.15);
    color: var(--accent-green);
}

.total-card .stat-icon {
    background: rgba(0, 245, 255, 0.15);
    color: var(--accent-cyan);
}

.stat-content h3 {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1;
}

.stat-percentage {
    font-size: 1.1rem;
    margin-top: 4px;
}

.attack-card .stat-percentage {
    color: var(--accent-red);
}

.benign-card .stat-percentage {
    color: var(--accent-green);
}

.stat-label {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-top: 4px;
}

/* Chart Section */
.chart-container {
    background: var(--bg-secondary);
    border-radius: 16px;
    padding: 30px;
    margin-bottom: 30px;
    border: 1px solid var(--border-color);
    box-shadow: var(--card-shadow);
}

.chart-container h2 {
    font-size: 1.5rem;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.chart-container h2 i {
    color: var(--accent-cyan);
}

.chart-wrapper {
    position: relative;
    height: 350px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Table Section */
.table-container {
    background: var(--bg-secondary);
    border-radius: 16px;
    padding: 30px;
    border: 1px solid var(--border-color);
    box-shadow: var(--card-shadow);
}

.table-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    flex-wrap: wrap;
    gap: 15px;
}

.table-header h2 {
    font-size: 1.5rem;
    display: flex;
    align-items: center;
    gap: 10px;
}

.table-header h2 i {
    color: var(--accent-cyan);
}

.table-controls {
    display: flex;
    gap: 10px;
}

.table-controls input {
    padding: 10px 16px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 0.9rem;
    width: 250px;
}

.table-controls input:focus {
    outline: none;
    border-color: var(--accent-cyan);
}

.export-btn {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    padding: 10px 20px;
    border-radius: 8px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all 0.3s ease;
}

.export-btn:hover {
    background: var(--accent-cyan);
    color: var(--bg-primary);
    border-color: var(--accent-cyan);
}

.table-wrapper {
    overflow-x: auto;
    overflow-y: auto;
    max-height: 500px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

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

thead {
    background: var(--bg-tertiary);
}

th {
    padding: 16px;
    text-align: left;
    font-weight: 600;
    color: var(--text-primary);
    border-bottom: 2px solid var(--border-color);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

tbody tr {
    border-bottom: 1px solid var(--border-color);
    transition: all 0.2s ease;
}

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

td {
    padding: 14px 16px;
}

.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
}

.status-badge.attack {
    background: rgba(255, 71, 87, 0.15);
    color: var(--accent-red);
}

.status-badge.benign {
    background: rgba(46, 213, 115, 0.15);
    color: var(--accent-green);
}

.confidence-bar {
    width: 100px;
    height: 6px;
    background: var(--bg-tertiary);
    border-radius: 3px;
    overflow: hidden;
}

.confidence-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--accent-cyan), var(--accent-green));
    border-radius: 3px;
    transition: width 0.3s ease;
}

.table-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
    flex-wrap: wrap;
    gap: 15px;
}

#tableInfo {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.pagination {
    display: flex;
    gap: 8px;
}

.pagination button {
    padding: 8px 12px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.pagination button:hover:not(:disabled) {
    background: var(--accent-cyan);
    color: var(--bg-primary);
}

.pagination button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.pagination button.active {
    background: var(--accent-cyan);
    color: var(--bg-primary);
    border-color: var(--accent-cyan);
}

/* Footer */
.footer {
    text-align: center;
    padding: 30px 0;
    color: var(--text-secondary);
    border-top: 1px solid var(--border-color);
    margin-top: 40px;
}

/* Responsive */
@media (max-width: 1024px) {
    .container {
        padding: 15px;
    }

    .upload-section {
        padding: 25px;
    }

    .upload-container {
        padding: 40px 20px;
    }
}

@media (max-width: 768px) {
    .header {
        padding: 20px 0;
        margin-bottom: 30px;
    }

    .header h1 {
        font-size: 1.5rem;
    }

    .header-content {
        flex-direction: column;
        gap: 15px;
    }

    .logo i {
        font-size: 36px;
    }

    .subtitle {
        font-size: 0.85rem;
    }

    .upload-section {
        padding: 20px;
    }

    .upload-container {
        padding: 30px 15px;
    }

    .upload-container h2 {
        font-size: 1.3rem;
    }

    .upload-icon {
        font-size: 48px;
    }

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

    .file-info i {
        font-size: 36px;
    }

    .file-info span {
        font-size: 1rem;
    }

    .scan-btn {
        font-size: 1rem;
        padding: 14px;
    }

    .stats-container {
        grid-template-columns: 1fr;
        gap: 15px;
    }

    .stat-card {
        padding: 18px;
    }

    .stat-icon {
        width: 50px;
        height: 50px;
        font-size: 24px;
    }

    .stat-number {
        font-size: 2rem;
    }

    .stat-percentage {
        font-size: 1rem;
    }

    .chart-container {
        padding: 20px;
    }

    .chart-container h2 {
        font-size: 1.2rem;
    }

    .chart-wrapper {
        height: 280px;
    }

    .table-container {
        padding: 20px;
    }

    .table-header {
        flex-direction: column;
        align-items: stretch;
        gap: 15px;
    }

    .table-header h2 {
        font-size: 1.2rem;
        text-align: center;
    }

    .table-controls {
        flex-direction: column;
        width: 100%;
    }

    .table-controls input {
        width: 100%;
    }

    .export-btn {
        width: 100%;
        justify-content: center;
    }

    .table-wrapper {
        max-height: 400px;
    }

    table {
        font-size: 0.85rem;
    }

    th {
        padding: 12px 8px;
        font-size: 0.75rem;
    }

    td {
        padding: 10px 8px;
    }

    .confidence-bar {
        width: 60px;
    }

    .table-footer {
        flex-direction: column;
        align-items: center;
        gap: 10px;
    }

    .pagination {
        width: 100%;
        justify-content: center;
        flex-wrap: wrap;
    }
}

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

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

    .logo i {
        font-size: 28px;
    }

    .upload-section {
        padding: 15px;
    }

    .upload-container {
        padding: 20px 10px;
    }

    .upload-container h2 {
        font-size: 1.1rem;
    }

    .upload-container p {
        font-size: 0.85rem;
    }

    .browse-btn {
        padding: 10px 20px;
        font-size: 0.9rem;
    }

    .scan-btn {
        font-size: 0.9rem;
        padding: 12px;
    }

    .button-group {
        flex-direction: column;
    }

    .download-sample-btn {
        padding: 12px;
        font-size: 0.85rem;
    }

    .stat-card {
        padding: 15px;
    }

    .stat-icon {
        width: 40px;
        height: 40px;
        font-size: 20px;
    }

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

    .stat-percentage {
        font-size: 0.9rem;
    }

    .chart-container {
        padding: 15px;
    }

    .chart-wrapper {
        height: 250px;
    }

    .table-container {
        padding: 15px;
    }

    .status-badge {
        font-size: 0.75rem;
        padding: 4px 8px;
    }

    .confidence-bar {
        width: 50px;
        height: 4px;
    }

    .format-section {
        padding: 15px;
    }

    .format-header h2 {
        font-size: 1.2rem;
    }

    .columns-grid {
        grid-template-columns: 1fr;
        gap: 8px;
    }

    .column-item {
        padding: 10px 12px;
    }

    .column-name {
        font-size: 0.8rem;
    }

    .format-note {
        flex-direction: column;
        text-align: center;
        padding: 12px;
        font-size: 0.85rem;
    }

    .format-example {
        padding: 15px;
    }

    .format-example pre {
        font-size: 0.7rem;
        padding: 10px;
    }
}

/* Improve table scrollability on all devices */
.table-wrapper::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

.table-wrapper::-webkit-scrollbar-track {
    background: var(--bg-tertiary);
    border-radius: 4px;
}

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

.table-wrapper::-webkit-scrollbar-thumb:hover {
    background: var(--accent-cyan);
}

/* Sticky table header for better UX */
thead th {
    position: sticky;
    top: 0;
    background: var(--bg-tertiary);
    z-index: 10;
}