/* 
 * ModSecurity Audit Log Analyzer Dashboard Styles
 * Fully self-contained, zero external dependencies, modern cybersecurity dashboard UI.
 */

:root {
    --bg-primary: #0f172a;
    --bg-surface: #1e293b;
    --bg-surface-hover: #334155;
    --bg-card: #1e293b;
    --border-color: #334155;
    --border-highlight: #475569;
    
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    
    --accent-blue: #38bdf8;
    --accent-indigo: #6366f1;
    --accent-green: #22c55e;
    --accent-orange: #f97316;
    --accent-red: #ef4444;
    --accent-yellow: #eab308;
    --accent-purple: #a855f7;

    --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    --font-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
    
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4), 0 2px 4px -1px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5), 0 4px 6px -2px rgba(0, 0, 0, 0.4);
}

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

html {
    -webkit-text-size-adjust: 100%;
    text-size-adjust: 100%;
}

body {
    font-family: var(--font-sans);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.5;
    font-size: 14px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Header & Navigation */
.app-header {
    background-color: var(--bg-surface);
    border-bottom: 1px solid var(--border-color);
    padding: 16px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
    box-shadow: var(--shadow-sm);
}

.brand {
    display: flex;
    align-items: center;
    gap: 12px;
}

.brand-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

.brand-subtitle {
    font-size: 12px;
    color: var(--accent-blue);
    background: rgba(56, 189, 248, 0.1);
    border: 1px solid rgba(56, 189, 248, 0.3);
    padding: 2px 8px;
    border-radius: var(--radius-sm);
    font-family: var(--font-mono);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.file-info {
    font-size: 12px;
    color: var(--text-secondary);
    background: rgba(255, 255, 255, 0.05);
    padding: 6px 12px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    max-width: 300px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 8px 14px;
    font-size: 13px;
    font-weight: 600;
    font-family: var(--font-sans);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    background-color: var(--bg-surface);
    color: var(--text-primary);
    cursor: pointer;
    transition: all 0.15s ease-in-out;
}

.btn:hover {
    background-color: var(--bg-surface-hover);
    border-color: var(--border-highlight);
}

.btn-primary {
    background-color: var(--accent-indigo);
    border-color: var(--accent-indigo);
    color: #ffffff;
}

.btn-primary:hover {
    background-color: #4f46e5;
    border-color: #4f46e5;
}

.btn-sm {
    padding: 4px 8px;
    font-size: 12px;
}

/* App Container Layout */
.app-container {
    max-width: 1440px;
    width: 100%;
    margin: 0 auto;
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 24px;
    flex: 1;
}

/* Drop Zone Area */
.drop-zone {
    border: 2px dashed var(--border-highlight);
    border-radius: var(--radius-lg);
    background-color: rgba(30, 41, 59, 0.5);
    padding: 20px;
    text-align: center;
    transition: all 0.2s ease;
    cursor: pointer;
}

.drop-zone:hover, .drop-zone.drag-over {
    border-color: var(--accent-blue);
    background-color: rgba(56, 189, 248, 0.05);
}

.drop-zone-text {
    font-size: 13px;
    color: var(--text-secondary);
}

.drop-zone-hint {
    font-size: 11px;
    color: var(--text-muted);
    margin-top: 4px;
}

/* KPI Cards Grid */
.kpi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 16px;
}

.kpi-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 16px 20px;
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: transform 0.15s ease, border-color 0.15s ease;
}

.kpi-card:hover {
    border-color: var(--border-highlight);
    transform: translateY(-2px);
}

.kpi-title {
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 600;
    color: var(--text-secondary);
}

.kpi-value {
    font-size: 28px;
    font-weight: 800;
    color: var(--text-primary);
    margin: 8px 0 4px 0;
    font-family: var(--font-mono);
}

.kpi-subtext {
    font-size: 11px;
    color: var(--text-muted);
}

.kpi-card.critical .kpi-value {
    color: var(--accent-red);
}

.kpi-card.intercepted .kpi-value {
    color: var(--accent-orange);
}

.kpi-card.ips .kpi-value {
    color: var(--accent-blue);
}

/* Analytics Distribution Grid */
.analytics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 16px;
}

.analytics-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 18px;
    box-shadow: var(--shadow-sm);
}

.analytics-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--border-color);
}

.analytics-card-title {
    font-size: 14px;
    font-weight: 700;
    color: var(--text-primary);
}

.analytics-card-subtitle {
    font-size: 11px;
    color: var(--text-muted);
}

/* CSS Distribution Bar List */
.dist-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.dist-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.dist-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 12px;
}

.dist-label {
    font-weight: 600;
    color: var(--text-primary);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    max-width: 220px;
    font-family: var(--font-mono);
}

.dist-subtext {
    font-size: 11px;
    color: var(--text-muted);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    max-width: 200px;
}

.dist-meta {
    display: flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-mono);
    color: var(--text-secondary);
}

.dist-count {
    font-weight: 700;
    color: var(--text-primary);
}

.dist-percent {
    font-size: 11px;
    color: var(--text-muted);
}

.dist-bar-bg {
    width: 100%;
    height: 6px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 3px;
    overflow: hidden;
}

.dist-bar-fill {
    height: 100%;
    background-color: var(--accent-blue);
    border-radius: 3px;
    transition: width 0.3s ease;
}

.dist-bar-fill.red { background-color: var(--accent-red); }
.dist-bar-fill.orange { background-color: var(--accent-orange); }
.dist-bar-fill.green { background-color: var(--accent-green); }
.dist-bar-fill.indigo { background-color: var(--accent-indigo); }
.dist-bar-fill.purple { background-color: var(--accent-purple); }

/* Filter Controls Toolbar */
.filter-toolbar {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    box-shadow: var(--shadow-sm);
}

.filter-row {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    align-items: center;
}

.search-group {
    flex: 2 1 280px;
    min-width: 220px;
}

.input-control {
    width: 100%;
    padding: 8px 12px;
    font-size: 13px;
    font-family: var(--font-sans);
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    outline: none;
    transition: border-color 0.15s ease;
}

.input-control:focus {
    border-color: var(--accent-blue);
}

.select-group {
    flex: 1 1 160px;
    min-width: 130px;
}

.select-control {
    width: 100%;
    padding: 8px 32px 8px 12px;
    font-size: 14px;
    font-family: var(--font-sans);
    background-color: var(--bg-primary);
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 10px center;
    background-size: 16px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    outline: none;
    cursor: pointer;
    position: relative;
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
}

.select-control option {
    background-color: var(--bg-surface);
    color: var(--text-primary);
    font-size: 14px;
    padding: 8px;
}

.select-control:focus {
    border-color: var(--accent-blue);
}

.filter-summary {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 12px;
    color: var(--text-secondary);
    padding-top: 8px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.active-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.filter-badge {
    background-color: rgba(99, 102, 241, 0.15);
    border: 1px solid rgba(99, 102, 241, 0.3);
    color: var(--text-primary);
    padding: 2px 8px;
    border-radius: var(--radius-sm);
    font-size: 11px;
}

/* Data Table Container */
.table-container {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.data-table-wrapper {
    overflow-x: auto;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
    font-size: 13px;
}

.data-table th {
    background-color: rgba(15, 23, 42, 0.6);
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 12px 16px;
    border-bottom: 1px solid var(--border-color);
    white-space: nowrap;
    cursor: pointer;
    user-select: none;
}

.data-table th:hover {
    color: var(--text-primary);
    background-color: rgba(15, 23, 42, 0.9);
}

.data-table th.sortable::after {
    content: ' <>';
    font-size: 10px;
    color: var(--text-muted);
}

.data-table th.sort-asc::after {
    content: ' [ASC]';
    color: var(--accent-blue);
}

.data-table th.sort-desc::after {
    content: ' [DESC]';
    color: var(--accent-blue);
}

.data-table td {
    padding: 12px 16px;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-primary);
    vertical-align: middle;
}

.data-table tr:last-child td {
    border-bottom: none;
}

.data-table tbody tr {
    transition: background-color 0.1s ease;
}

.data-table tbody tr:hover {
    background-color: rgba(51, 65, 85, 0.5);
}

.table-uri {
    font-family: var(--font-mono);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    display: inline-block;
    vertical-align: middle;
    max-width: 280px;
    color: var(--accent-blue);
}

.table-error-msg {
    font-family: var(--font-mono);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    display: inline-block;
    vertical-align: middle;
    max-width: 360px;
    color: var(--text-secondary);
}

.table-ip {
    font-family: var(--font-mono);
    white-space: nowrap;
}

.table-host {
    font-family: var(--font-mono);
    white-space: nowrap;
    color: var(--text-secondary);
}

/* Badges */
.badge {
    display: inline-block;
    padding: 3px 8px;
    font-size: 11px;
    font-weight: 700;
    border-radius: var(--radius-sm);
    text-transform: uppercase;
    letter-spacing: 0.03em;
    font-family: var(--font-mono);
    white-space: nowrap;
}

.badge-critical {
    background-color: rgba(239, 68, 68, 0.2);
    border: 1px solid rgba(239, 68, 68, 0.5);
    color: #fca5a5;
}

.badge-warning {
    background-color: rgba(249, 115, 22, 0.2);
    border: 1px solid rgba(249, 115, 22, 0.5);
    color: #fdba74;
}

.badge-notice {
    background-color: rgba(56, 189, 248, 0.2);
    border: 1px solid rgba(56, 189, 248, 0.5);
    color: #7dd3fc;
}

.badge-info {
    background-color: rgba(34, 197, 94, 0.2);
    border: 1px solid rgba(34, 197, 94, 0.5);
    color: #86efac;
}

.badge-method {
    background-color: rgba(255, 255, 255, 0.1);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
}

.badge-country {
    background-color: rgba(99, 102, 241, 0.15);
    border: 1px solid rgba(99, 102, 241, 0.3);
    color: #a5b4fc;
}

/* Pagination Bar */
.pagination-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    background-color: var(--bg-surface);
    border-top: 1px solid var(--border-color);
    flex-wrap: wrap;
    gap: 12px;
}

.pagination-info {
    font-size: 12px;
    color: var(--text-secondary);
}

.pagination-controls {
    display: flex;
    align-items: center;
    gap: 8px;
}

.page-size-selector {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    color: var(--text-secondary);
}

/* Modal Overlay & Drawer */
.modal-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: rgba(15, 23, 42, 0.8);
    backdrop-filter: blur(4px);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    padding: 20px;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.2s ease, visibility 0.2s ease;
}

.modal-backdrop.open {
    opacity: 1;
    visibility: visible;
}

.modal-container {
    background-color: var(--bg-card);
    border: 1px solid var(--border-highlight);
    border-radius: var(--radius-lg);
    width: 100%;
    max-width: 900px;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-lg);
    overflow: hidden;
}

.modal-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: var(--bg-surface);
}

.modal-title {
    font-size: 16px;
    font-weight: 700;
    color: var(--text-primary);
}

.modal-close-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 700;
    cursor: pointer;
    padding: 4px 8px;
    border-radius: var(--radius-sm);
}

.modal-close-btn:hover {
    color: var(--text-primary);
    background-color: var(--bg-surface-hover);
}

.modal-body {
    padding: 20px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.detail-section {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.detail-section-title {
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 700;
    color: var(--accent-blue);
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 4px;
}

.detail-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 12px;
}

.detail-item {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.detail-key {
    font-size: 11px;
    color: var(--text-muted);
    text-transform: uppercase;
}

.detail-val {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-primary);
    font-family: var(--font-mono);
    word-break: break-all;
}

.code-block {
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 12px;
    font-family: var(--font-mono);
    font-size: 12px;
    color: #e2e8f0;
    white-space: pre-wrap;
    word-break: break-all;
    max-height: 250px;
    overflow-y: auto;
}

/* Footer */
.app-footer {
    text-align: center;
    padding: 16px;
    font-size: 12px;
    color: var(--text-muted);
    border-top: 1px solid var(--border-color);
    background-color: var(--bg-surface);
    margin-top: auto;
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 40px 20px;
    color: var(--text-muted);
}

.empty-state-title {
    font-size: 16px;
    font-weight: 700;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .app-container {
        padding: 12px;
    }

    .app-header {
        padding: 14px 16px;
        flex-direction: column;
        align-items: stretch;
        gap: 12px;
    }

    .brand {
        flex-direction: column;
        align-items: flex-start;
        gap: 4px;
    }

    .brand-title {
        font-size: 16px;
    }

    .header-actions {
        flex-direction: column;
        align-items: stretch;
        width: 100%;
        gap: 10px;
    }

    .header-actions .brand-subtitle {
        text-align: center;
        width: 100%;
        display: block;
    }

    .header-actions .select-group {
        width: 100% !important;
        min-width: 0 !important;
    }

    .header-actions .file-info {
        width: 100%;
        max-width: none;
        text-align: center;
        font-size: 13px;
        padding: 8px 12px;
    }

    .header-actions #btnUploadFile {
        width: 100%;
        padding: 10px 16px;
        font-size: 14px;
    }

    .kpi-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .analytics-grid {
        grid-template-columns: 1fr;
    }

    .filter-row {
        flex-direction: column;
        align-items: stretch;
        gap: 10px;
    }

    .search-group, .select-group {
        width: 100%;
        flex: none;
    }

    .select-control, .input-control {
        font-size: 16px !important;
        padding-top: 10px;
        padding-bottom: 10px;
    }

    .select-control option {
        font-size: 16px;
    }

    #filterResetBtn {
        width: 100%;
        flex: none;
    }

    .filter-summary {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }

    .pagination-bar {
        flex-direction: column;
        align-items: stretch;
    }

    .pagination-controls {
        flex-wrap: wrap;
        justify-content: center;
    }
}