/* ============================================
   SharkLens — PCAP Analyzer
   Premium Dark Theme with Glassmorphism
   ============================================ */

:root {
    --bg-primary: #0a0e1a;
    --bg-secondary: #111827;
    --bg-card: rgba(17, 24, 39, 0.7);
    --bg-card-hover: rgba(30, 41, 59, 0.8);
    --bg-glass: rgba(15, 23, 42, 0.6);
    --bg-input: rgba(30, 41, 59, 0.5);
    --border: rgba(99, 102, 241, 0.15);
    --border-active: rgba(99, 102, 241, 0.4);
    --text-primary: #e2e8f0;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --accent-cyan: #00d4ff;
    --accent-purple: #a855f7;
    --accent-blue: #6366f1;
    --accent-green: #22c55e;
    --accent-yellow: #eab308;
    --accent-red: #ef4444;
    --accent-orange: #f97316;
    --accent-pink: #ec4899;

    /* Protocol Colors */
    --proto-tcp: #22c55e;
    --proto-udp: #3b82f6;
    --proto-http: #eab308;
    --proto-https: #f97316;
    --proto-dns: #a855f7;
    --proto-icmp: #ec4899;
    --proto-arp: #06b6d4;
    --proto-other: #64748b;

    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    --shadow-glow: 0 0 30px rgba(99, 102, 241, 0.1);
    --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.3);
    --font-sans: 'Inter', -apple-system, sans-serif;
    --font-mono: 'JetBrains Mono', 'Consolas', monospace;
    --transition: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: var(--font-sans);
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
    background-image:
        radial-gradient(ellipse 80% 60% at 50% 0%, rgba(99, 102, 241, 0.08) 0%, transparent 60%),
        radial-gradient(ellipse 60% 40% at 80% 100%, rgba(168, 85, 247, 0.05) 0%, transparent 50%);
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: rgba(99, 102, 241, 0.3);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(99, 102, 241, 0.5);
}

/* ============================================
   HEADER
   ============================================ */
.header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 24px;
    height: 56px;
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 100;
}

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

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

.header-right {
    display: flex;
    align-items: center;
    gap: 8px;
}

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

.logo-icon {
    width: 28px;
    height: 28px;
}

.logo-text {
    font-weight: 800;
    font-size: 18px;
    background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.5px;
}

.file-badge {
    background: var(--bg-input);
    border: 1px solid var(--border);
    padding: 4px 12px;
    border-radius: var(--radius-sm);
    font-size: 13px;
    font-family: var(--font-mono);
    color: var(--accent-cyan);
}

.file-meta {
    font-size: 12px;
    color: var(--text-muted);
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    border: none;
    font-family: var(--font-sans);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
    color: white;
    box-shadow: 0 2px 12px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover {
    box-shadow: 0 4px 20px rgba(99, 102, 241, 0.5);
    transform: translateY(-1px);
}

.btn-ghost {
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--border);
}

.btn-ghost:hover {
    background: var(--bg-input);
    color: var(--text-primary);
    border-color: var(--border-active);
}

.btn-sm {
    padding: 4px 10px;
    font-size: 12px;
}

.btn-close {
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 20px;
    cursor: pointer;
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

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

/* ============================================
   MAIN
   ============================================ */
.main {
    padding: 24px;
    max-width: 1600px;
    margin: 0 auto;
}

/* ============================================
   DROPZONE
   ============================================ */
.dropzone {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: calc(100vh - 104px);
    border: 2px dashed var(--border);
    border-radius: var(--radius-xl);
    background: var(--bg-card);
    backdrop-filter: blur(10px);
    transition: var(--transition);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.dropzone::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 50% 50%, rgba(99, 102, 241, 0.03) 0%, transparent 70%);
    pointer-events: none;
}

.dropzone.drag-over {
    border-color: var(--accent-cyan);
    background: rgba(0, 212, 255, 0.05);
    box-shadow: 0 0 60px rgba(0, 212, 255, 0.1);
}

.dropzone.drag-over .dropzone-icon svg {
    transform: scale(1.1);
}

.dropzone-content {
    text-align: center;
    z-index: 1;
}

.dropzone-icon svg {
    width: 80px;
    height: 80px;
    margin-bottom: 24px;
    transition: transform 0.3s ease;
}

.dropzone-title {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 8px;
    background: linear-gradient(135deg, var(--text-primary), var(--text-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.dropzone-subtitle {
    color: var(--text-muted);
    font-size: 14px;
    margin-bottom: 20px;
}

.dropzone-formats {
    display: flex;
    gap: 8px;
    justify-content: center;
}

.format-tag {
    background: var(--bg-input);
    border: 1px solid var(--border);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-family: var(--font-mono);
    color: var(--text-secondary);
}

/* ============================================
   LOADING
   ============================================ */
.loading-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: calc(100vh - 104px);
    gap: 20px;
}

.spinner {
    width: 48px;
    height: 48px;
    border: 3px solid var(--border);
    border-top-color: var(--accent-cyan);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

.loading-text {
    color: var(--text-secondary);
    font-size: 14px;
    animation: pulse 1.5s ease-in-out infinite;
}

@keyframes pulse {

    0%,
    100% {
        opacity: 0.6;
    }

    50% {
        opacity: 1;
    }
}

/* ============================================
   STATS ROW
   ============================================ */
.stats-row {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 16px;
    margin-bottom: 20px;
    animation: fadeInUp 0.5s ease;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(16px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.stat-card {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 18px 20px;
    background: var(--bg-card);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    transition: var(--transition);
    box-shadow: var(--shadow-card);
}

.stat-card:hover {
    border-color: var(--border-active);
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow), var(--shadow-card);
}

.stat-icon {
    width: 42px;
    height: 42px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.stat-icon-packets {
    background: rgba(0, 212, 255, 0.12);
    color: var(--accent-cyan);
}

.stat-icon-size {
    background: rgba(99, 102, 241, 0.12);
    color: var(--accent-blue);
}

.stat-icon-duration {
    background: rgba(34, 197, 94, 0.12);
    color: var(--accent-green);
}

.stat-icon-protocols {
    background: rgba(168, 85, 247, 0.12);
    color: var(--accent-purple);
}

.stat-icon-ips {
    background: rgba(249, 115, 22, 0.12);
    color: var(--accent-orange);
}

.stat-info {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.stat-value {
    font-size: 22px;
    font-weight: 700;
    letter-spacing: -0.5px;
    line-height: 1.2;
}

.stat-label {
    font-size: 12px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* ============================================
   FILTER BAR
   ============================================ */
.filter-bar {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: var(--bg-card);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    margin-bottom: 20px;
    animation: fadeInUp 0.6s ease;
    flex-wrap: wrap;
}

.search-box {
    display: flex;
    align-items: center;
    gap: 8px;
    flex: 1;
    min-width: 250px;
    color: var(--text-muted);
}

.search-input {
    background: transparent;
    border: none;
    outline: none;
    color: var(--text-primary);
    font-family: var(--font-mono);
    font-size: 13px;
    width: 100%;
}

.search-input::placeholder {
    color: var(--text-muted);
    font-family: var(--font-mono);
}

.filter-chips {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}

.chip {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    border: 1px solid transparent;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.chip-tcp {
    background: rgba(34, 197, 94, 0.12);
    color: var(--proto-tcp);
    border-color: rgba(34, 197, 94, 0.2);
}

.chip-udp {
    background: rgba(59, 130, 246, 0.12);
    color: var(--proto-udp);
    border-color: rgba(59, 130, 246, 0.2);
}

.chip-http {
    background: rgba(234, 179, 8, 0.12);
    color: var(--proto-http);
    border-color: rgba(234, 179, 8, 0.2);
}

.chip-https {
    background: rgba(249, 115, 22, 0.12);
    color: var(--proto-https);
    border-color: rgba(249, 115, 22, 0.2);
}

.chip-dns {
    background: rgba(168, 85, 247, 0.12);
    color: var(--proto-dns);
    border-color: rgba(168, 85, 247, 0.2);
}

.chip-icmp {
    background: rgba(236, 72, 153, 0.12);
    color: var(--proto-icmp);
    border-color: rgba(236, 72, 153, 0.2);
}

.chip-arp {
    background: rgba(6, 182, 212, 0.12);
    color: var(--proto-arp);
    border-color: rgba(6, 182, 212, 0.2);
}

.chip-other {
    background: rgba(100, 116, 139, 0.12);
    color: var(--proto-other);
    border-color: rgba(100, 116, 139, 0.2);
}

.chip:hover {
    filter: brightness(1.3);
    transform: scale(1.05);
}

.chip.active {
    filter: brightness(1.4);
    box-shadow: 0 0 12px currentColor;
}

.chip .chip-count {
    font-size: 10px;
    opacity: 0.7;
}

.filter-actions {
    display: flex;
    align-items: center;
    gap: 8px;
}

.filter-count {
    font-size: 12px;
    color: var(--text-muted);
    font-family: var(--font-mono);
}

/* ============================================
   CONTENT AREA
   ============================================ */
.content-area {
    display: flex;
    gap: 16px;
    animation: fadeInUp 0.7s ease;
}

.content-left {
    flex: 1;
    min-width: 0;
}

.content-right {
    width: 420px;
    flex-shrink: 0;
    background: var(--bg-card);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    overflow: hidden;
    position: sticky;
    top: 72px;
    max-height: calc(100vh - 88px);
    display: flex;
    flex-direction: column;
}

/* ============================================
   CHARTS ROW
   ============================================ */
.charts-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-bottom: 16px;
}

.chart-card {
    background: var(--bg-card);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 16px;
    box-shadow: var(--shadow-card);
}

.chart-title {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.chart-body {
    min-height: 140px;
}

.alert-badge {
    background: var(--accent-red);
    color: white;
    font-size: 10px;
    padding: 2px 7px;
    border-radius: 10px;
    font-weight: 700;
}

/* Protocol chart bars */
.proto-bar-row {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 8px;
}

.proto-bar-label {
    font-size: 11px;
    font-weight: 600;
    font-family: var(--font-mono);
    width: 50px;
    text-align: right;
    flex-shrink: 0;
}

.proto-bar-track {
    flex: 1;
    height: 20px;
    background: var(--bg-input);
    border-radius: 4px;
    overflow: hidden;
    position: relative;
}

.proto-bar-fill {
    height: 100%;
    border-radius: 4px;
    transition: width 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
}

.proto-bar-value {
    font-size: 10px;
    color: var(--text-muted);
    font-family: var(--font-mono);
    width: 45px;
    text-align: right;
    flex-shrink: 0;
}

/* Conversation list */
.conv-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 8px;
    border-radius: var(--radius-sm);
    margin-bottom: 4px;
    font-size: 12px;
    font-family: var(--font-mono);
    background: var(--bg-input);
    transition: var(--transition);
}

.conv-item:hover {
    background: var(--bg-card-hover);
}

.conv-arrow {
    color: var(--accent-cyan);
    font-size: 14px;
    flex-shrink: 0;
}

.conv-ips {
    flex: 1;
    color: var(--text-secondary);
    font-size: 11px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.conv-count {
    color: var(--text-muted);
    font-size: 10px;
    flex-shrink: 0;
}

/* Alert items */
.alerts-list {
    overflow-y: auto;
    max-height: 140px;
}

.alert-item {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    padding: 6px 8px;
    border-radius: var(--radius-sm);
    margin-bottom: 4px;
    font-size: 11px;
    border-left: 3px solid;
}

.alert-item.alert-warn {
    border-color: var(--accent-yellow);
    background: rgba(234, 179, 8, 0.06);
}

.alert-item.alert-danger {
    border-color: var(--accent-red);
    background: rgba(239, 68, 68, 0.06);
}

.alert-item.alert-info {
    border-color: var(--accent-cyan);
    background: rgba(0, 212, 255, 0.06);
}

.alert-item-icon {
    font-size: 14px;
    flex-shrink: 0;
    line-height: 1;
}

.alert-item-text {
    color: var(--text-secondary);
    line-height: 1.4;
}

/* CTF workbench */
.workbench-row {
    display: grid;
    grid-template-columns: minmax(320px, 1.05fr) minmax(360px, 0.95fr);
    gap: 16px;
    margin-bottom: 16px;
}

.workbench-card {
    min-height: 260px;
}

.workbench-body {
    min-height: 200px;
}

.workbench-badge {
    background: rgba(0, 212, 255, 0.08);
    border: 1px solid rgba(0, 212, 255, 0.16);
    color: var(--accent-cyan);
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.6px;
    text-transform: uppercase;
    padding: 3px 8px;
    border-radius: 999px;
    font-family: var(--font-mono);
}

.flow-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
    max-height: 340px;
    overflow-y: auto;
    padding-right: 4px;
}

.flow-item {
    width: 100%;
    border: 1px solid rgba(99, 102, 241, 0.12);
    background: rgba(15, 23, 42, 0.62);
    border-radius: var(--radius-md);
    padding: 12px;
    color: inherit;
    text-align: left;
    cursor: pointer;
    transition: var(--transition);
}

.flow-item:hover {
    border-color: rgba(0, 212, 255, 0.24);
    background: rgba(30, 41, 59, 0.72);
    transform: translateY(-1px);
}

.flow-item.active {
    border-color: rgba(0, 212, 255, 0.35);
    box-shadow: inset 0 0 0 1px rgba(0, 212, 255, 0.18), 0 0 18px rgba(0, 212, 255, 0.08);
}

.flow-item-top {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 8px;
}

.flow-item-id {
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--accent-cyan);
    flex-shrink: 0;
}

.flow-item-proto {
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.6px;
    text-transform: uppercase;
    color: var(--text-secondary);
    background: rgba(99, 102, 241, 0.12);
    border-radius: 999px;
    padding: 3px 8px;
    flex-shrink: 0;
}

.flow-item-stats {
    margin-left: auto;
    font-family: var(--font-mono);
    font-size: 10px;
    color: var(--text-muted);
    flex-shrink: 0;
}

.flow-item-endpoints {
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--text-primary);
    line-height: 1.5;
    margin-bottom: 8px;
    word-break: break-word;
}

.flow-item-badges,
.flow-detail-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.flow-badge {
    border-radius: 999px;
    padding: 3px 8px;
    font-size: 10px;
    font-family: var(--font-mono);
    color: var(--text-secondary);
    background: rgba(148, 163, 184, 0.08);
    border: 1px solid rgba(148, 163, 184, 0.16);
}

.flow-badge.hot {
    color: #fecaca;
    background: rgba(239, 68, 68, 0.1);
    border-color: rgba(239, 68, 68, 0.18);
}

.flow-detail {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.flow-empty {
    min-height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--text-muted);
    font-size: 13px;
    border: 1px dashed rgba(148, 163, 184, 0.18);
    border-radius: var(--radius-md);
    background: rgba(15, 23, 42, 0.35);
}

.flow-detail-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 12px;
}

.flow-detail-title {
    font-size: 15px;
    font-weight: 700;
    margin-bottom: 4px;
}

.flow-detail-subtitle {
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--text-secondary);
    line-height: 1.5;
    word-break: break-word;
}

.flow-detail-actions {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    justify-content: flex-end;
}

.flow-metrics {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 10px;
}

.flow-metric {
    padding: 10px;
    border-radius: var(--radius-sm);
    background: rgba(15, 23, 42, 0.45);
    border: 1px solid rgba(99, 102, 241, 0.12);
}

.flow-metric-label {
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-muted);
    margin-bottom: 4px;
}

.flow-metric-value {
    font-family: var(--font-mono);
    font-size: 13px;
    color: var(--text-primary);
}

.flow-section {
    border-top: 1px solid rgba(99, 102, 241, 0.08);
    padding-top: 12px;
}

.flow-section-title {
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.6px;
    color: var(--text-muted);
    margin-bottom: 8px;
}

.flow-section-list {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.flow-section-item {
    padding: 8px 10px;
    border-radius: var(--radius-sm);
    background: rgba(15, 23, 42, 0.45);
    border: 1px solid rgba(99, 102, 241, 0.08);
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--text-secondary);
    line-height: 1.5;
    word-break: break-word;
}

.stream-modal {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.stream-meta-row,
.stream-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.stream-meta-chip {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 10px;
    border-radius: 999px;
    background: rgba(59, 130, 246, 0.08);
    border: 1px solid rgba(59, 130, 246, 0.16);
    color: var(--text-secondary);
    font-family: var(--font-mono);
    font-size: 11px;
}

.stream-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
}

.stream-card {
    display: flex;
    flex-direction: column;
    gap: 10px;
    padding: 12px;
    border-radius: var(--radius-md);
    background: rgba(15, 23, 42, 0.45);
    border: 1px solid rgba(99, 102, 241, 0.12);
}

.stream-card-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 10px;
}

.stream-card-title {
    font-size: 13px;
    font-weight: 700;
    color: var(--text-primary);
}

.stream-card-subtitle {
    margin-top: 4px;
    font-size: 11px;
    color: var(--text-muted);
    font-family: var(--font-mono);
    line-height: 1.5;
}

.stream-pre {
    margin: 0;
    padding: 12px;
    max-height: 320px;
    overflow: auto;
    border-radius: var(--radius-sm);
    background: rgba(2, 6, 23, 0.72);
    border: 1px solid rgba(148, 163, 184, 0.12);
    color: var(--text-primary);
    font-family: var(--font-mono);
    font-size: 11px;
    line-height: 1.6;
    white-space: pre-wrap;
    word-break: break-word;
}

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

.stream-timeline {
    display: flex;
    flex-direction: column;
    gap: 8px;
    max-height: 340px;
    overflow: auto;
}

.stream-line {
    width: 100%;
    padding: 10px 12px;
    border-radius: var(--radius-sm);
    border: 1px solid rgba(99, 102, 241, 0.12);
    background: rgba(15, 23, 42, 0.32);
    color: var(--text-primary);
    text-align: left;
    cursor: pointer;
    transition: border-color 0.2s ease, background 0.2s ease;
}

.stream-line:hover {
    border-color: rgba(96, 165, 250, 0.36);
    background: rgba(30, 41, 59, 0.52);
}

.stream-line-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 6px;
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--text-muted);
}

.stream-line-tag {
    padding: 2px 6px;
    border-radius: 999px;
    background: rgba(99, 102, 241, 0.14);
    color: #c7d2fe;
}

.stream-line-preview {
    display: block;
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--text-secondary);
    line-height: 1.5;
    white-space: pre-wrap;
    word-break: break-word;
}

/* ============================================
   PACKET TABLE
   ============================================ */
.table-container {
    background: var(--bg-card);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-card);
}

.table-header-row {
    display: flex;
    gap: 0;
    background: rgba(30, 41, 59, 0.8);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 10;
}

.th {
    padding: 10px 12px;
    font-size: 11px;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-right: 1px solid var(--border);
    flex-shrink: 0;
}

.th:last-child {
    border-right: none;
}

.th-no {
    width: 60px;
}

.th-time {
    width: 100px;
}

.th-src {
    width: 150px;
}

.th-dst {
    width: 150px;
}

.th-proto {
    width: 80px;
}

.th-len {
    width: 70px;
}

.th-info {
    flex: 1;
}

.table-body {
    height: 400px;
    overflow-y: auto;
    position: relative;
}

.packet-row {
    display: flex;
    gap: 0;
    border-bottom: 1px solid rgba(99, 102, 241, 0.05);
    cursor: pointer;
    transition: background 0.1s;
    font-size: 12px;
    font-family: var(--font-mono);
}

.packet-row:hover {
    background: rgba(99, 102, 241, 0.08);
}

.packet-row.selected {
    background: rgba(99, 102, 241, 0.15);
    border-left: 3px solid var(--accent-blue);
}

.packet-row .td {
    padding: 7px 12px;
    border-right: 1px solid rgba(99, 102, 241, 0.05);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    flex-shrink: 0;
}

.packet-row .td:last-child {
    border-right: none;
}

.td-no {
    width: 60px;
    color: var(--text-muted);
}

.td-time {
    width: 100px;
    color: var(--text-secondary);
}

.td-src {
    width: 150px;
}

.td-dst {
    width: 150px;
}

.td-proto {
    width: 80px;
    font-weight: 600;
}

.td-len {
    width: 70px;
    color: var(--text-secondary);
    text-align: right;
}

.td-info {
    flex: 1;
    color: var(--text-secondary);
}

/* Protocol-specific row colors */
.packet-row.proto-tcp {
    color: var(--proto-tcp);
}

.packet-row.proto-udp {
    color: var(--proto-udp);
}

.packet-row.proto-http {
    color: var(--proto-http);
}

.packet-row.proto-https {
    color: var(--proto-https);
}

.packet-row.proto-dns {
    color: var(--proto-dns);
}

.packet-row.proto-icmp {
    color: var(--proto-icmp);
}

.packet-row.proto-arp {
    color: var(--proto-arp);
}

/* ============================================
   DETAIL PANEL
   ============================================ */
.detail-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 16px;
    border-bottom: 1px solid var(--border);
    background: rgba(30, 41, 59, 0.5);
}

.detail-title {
    font-size: 14px;
    font-weight: 600;
}

.detail-body {
    overflow-y: auto;
    flex: 1;
    padding: 16px;
}

.detail-section {
    margin-bottom: 16px;
}

.detail-section-title {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 10px;
    padding-bottom: 6px;
    border-bottom: 1px solid var(--border);
}

/* Detail tree */
/* Detail tree items are styled via child selectors */

.detail-tree-item {
    padding: 4px 0;
    font-size: 12px;
    display: flex;
    gap: 6px;
}

.detail-tree-key {
    color: var(--accent-cyan);
    font-weight: 500;
    min-width: 120px;
    flex-shrink: 0;
}

.detail-tree-value {
    color: var(--text-secondary);
    font-family: var(--font-mono);
    word-break: break-word;
    white-space: pre-wrap;
}

.detail-tree-group {
    margin-top: 8px;
    padding: 10px 12px;
    background: var(--bg-input);
    border-radius: var(--radius-sm);
    border-left: 3px solid var(--accent-blue);
}

.detail-tree-group-title {
    font-size: 12px;
    font-weight: 600;
    color: var(--accent-blue);
    margin-bottom: 6px;
}

/* ============================================
   HEX VIEWER
   ============================================ */
.hex-viewer {
    font-family: var(--font-mono);
    font-size: 11px;
    line-height: 1.6;
    background: var(--bg-input);
    border-radius: var(--radius-sm);
    padding: 12px;
    overflow-x: auto;
    max-height: 300px;
    overflow-y: auto;
}

.hex-line {
    display: flex;
    gap: 0;
    white-space: pre;
}

.hex-offset {
    color: var(--text-muted);
    width: 65px;
    flex-shrink: 0;
}

.hex-bytes {
    color: var(--accent-cyan);
    flex: 1;
    letter-spacing: 1px;
}

.hex-ascii {
    color: var(--accent-green);
    width: 140px;
    flex-shrink: 0;
    padding-left: 12px;
    border-left: 1px solid var(--border);
    margin-left: 8px;
}

/* ============================================
   CTF TOOLKIT
   ============================================ */
.ctf-toolbar {
    display: flex;
    flex-direction: column;
    gap: 0;
    padding: 10px 16px;
    background: linear-gradient(135deg, rgba(239, 68, 68, 0.08), rgba(168, 85, 247, 0.08));
    backdrop-filter: blur(10px);
    border: 1px solid rgba(239, 68, 68, 0.2);
    border-radius: var(--radius-md);
    margin-bottom: 16px;
    animation: fadeInUp 0.55s ease;
}

.ctf-toolbar-top {
    display: flex;
    align-items: center;
    gap: 12px;
}

.ctf-toggle {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 12px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
    background: transparent;
    color: var(--text-muted);
    font-family: var(--font-sans);
    font-size: 11px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    margin-left: auto;
}

.ctf-toggle:hover {
    background: var(--bg-input);
    color: var(--text-primary);
    border-color: var(--border-active);
}

.ctf-toggle-icon {
    display: inline-block;
    transition: transform 0.3s ease;
    font-size: 10px;
}

.ctf-toggle.open .ctf-toggle-icon {
    transform: rotate(180deg);
}

.ctf-collapsible {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s ease, padding 0.35s ease, opacity 0.25s ease;
    opacity: 0;
    padding-top: 0;
}

.ctf-collapsible.open {
    max-height: 500px;
    opacity: 1;
    padding-top: 10px;
}

.ctf-toolbar-label {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    font-weight: 700;
    color: var(--accent-red);
    text-transform: uppercase;
    letter-spacing: 1px;
    flex-shrink: 0;
    padding-right: 12px;
    border-right: 1px solid rgba(239, 68, 68, 0.2);
}

.ctf-flag-format {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 0;
    flex-wrap: wrap;
}

.ctf-flag-label {
    font-size: 12px;
    font-weight: 600;
    color: #fb923c;
    white-space: nowrap;
    flex-shrink: 0;
}

.ctf-flag-input {
    flex: 1;
    min-width: 200px;
    max-width: 500px;
    padding: 6px 12px;
    border-radius: var(--radius-sm);
    border: 1px solid rgba(249, 115, 22, 0.3);
    background: rgba(249, 115, 22, 0.08);
    color: var(--text-primary);
    font-family: var(--font-mono);
    font-size: 12px;
    outline: none;
    transition: var(--transition);
}

.ctf-flag-input::placeholder {
    color: var(--text-muted);
    opacity: 0.6;
}

.ctf-flag-input:focus {
    border-color: rgba(249, 115, 22, 0.6);
    box-shadow: 0 0 12px rgba(249, 115, 22, 0.15);
    background: rgba(249, 115, 22, 0.12);
}

.ctf-flag-hint {
    font-size: 10px;
    color: var(--text-muted);
    opacity: 0.6;
    width: 100%;
    padding-left: 2px;
}

.ctf-tls-tools {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
    padding: 6px 0 8px;
}

.ctf-key-file {
    padding: 6px 8px;
    border-radius: var(--radius-sm);
    border: 1px solid rgba(56, 189, 248, 0.35);
    background: rgba(14, 116, 144, 0.15);
    color: var(--text-secondary);
    font-size: 12px;
    font-family: var(--font-mono);
}

.ctf-key-file::file-selector-button {
    margin-right: 10px;
    border: 1px solid rgba(56, 189, 248, 0.45);
    background: rgba(14, 116, 144, 0.35);
    color: #67e8f9;
    border-radius: var(--radius-sm);
    font-size: 11px;
    font-weight: 600;
    padding: 5px 8px;
    cursor: pointer;
}

.ctf-btn-tls {
    background: rgba(14, 165, 233, 0.14);
    color: #67e8f9;
    border-color: rgba(14, 165, 233, 0.35);
}

.ctf-btn-tls:hover {
    box-shadow: 0 0 16px rgba(14, 165, 233, 0.3);
    background: rgba(14, 165, 233, 0.24);
}

.ctf-tls-status {
    font-size: 11px;
    color: var(--text-muted);
    font-family: var(--font-mono);
}

.ctf-buttons {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}

.ctf-btn {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 6px 12px;
    border-radius: var(--radius-sm);
    border: 1px solid transparent;
    font-family: var(--font-sans);
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
}

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

.ctf-btn-flag {
    background: rgba(239, 68, 68, 0.15);
    color: #f87171;
    border-color: rgba(239, 68, 68, 0.3);
}

.ctf-btn-flag:hover {
    box-shadow: 0 0 16px rgba(239, 68, 68, 0.3);
    background: rgba(239, 68, 68, 0.25);
}

.ctf-btn-strings {
    background: rgba(34, 197, 94, 0.12);
    color: #4ade80;
    border-color: rgba(34, 197, 94, 0.25);
}

.ctf-btn-strings:hover {
    box-shadow: 0 0 16px rgba(34, 197, 94, 0.3);
    background: rgba(34, 197, 94, 0.2);
}

.ctf-btn-base64 {
    background: rgba(168, 85, 247, 0.12);
    color: #c084fc;
    border-color: rgba(168, 85, 247, 0.25);
}

.ctf-btn-base64:hover {
    box-shadow: 0 0 16px rgba(168, 85, 247, 0.3);
    background: rgba(168, 85, 247, 0.2);
}

.ctf-btn-creds {
    background: rgba(234, 179, 8, 0.12);
    color: #facc15;
    border-color: rgba(234, 179, 8, 0.25);
}

.ctf-btn-creds:hover {
    box-shadow: 0 0 16px rgba(234, 179, 8, 0.3);
    background: rgba(234, 179, 8, 0.2);
}

.ctf-btn-urls {
    background: rgba(0, 212, 255, 0.12);
    color: #22d3ee;
    border-color: rgba(0, 212, 255, 0.25);
}

.ctf-btn-urls:hover {
    box-shadow: 0 0 16px rgba(0, 212, 255, 0.3);
    background: rgba(0, 212, 255, 0.2);
}

.ctf-btn-files {
    background: rgba(249, 115, 22, 0.12);
    color: #fb923c;
    border-color: rgba(249, 115, 22, 0.25);
}

.ctf-btn-files:hover {
    box-shadow: 0 0 16px rgba(249, 115, 22, 0.3);
    background: rgba(249, 115, 22, 0.2);
}

.ctf-btn-auto {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.3), rgba(168, 85, 247, 0.3));
    color: #e0e7ff;
    border-color: rgba(99, 102, 241, 0.5);
    font-weight: 700;
    padding: 6px 16px;
    animation: autoPulse 2s ease-in-out infinite;
}

.ctf-btn-auto:hover {
    box-shadow: 0 0 24px rgba(99, 102, 241, 0.5), 0 0 48px rgba(168, 85, 247, 0.2);
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.5), rgba(168, 85, 247, 0.5));
    transform: translateY(-2px);
}

@keyframes autoPulse {

    0%,
    100% {
        box-shadow: 0 0 8px rgba(99, 102, 241, 0.2);
    }

    50% {
        box-shadow: 0 0 20px rgba(99, 102, 241, 0.4), 0 0 40px rgba(168, 85, 247, 0.15);
    }
}

.ctf-quick-filters {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-left: auto;
    flex-wrap: wrap;
}

.ctf-qf-label {
    font-size: 11px;
    color: var(--text-muted);
    font-weight: 600;
}

.ctf-qf {
    padding: 3px 10px;
    border-radius: 20px;
    border: 1px solid var(--border);
    background: var(--bg-input);
    color: var(--text-secondary);
    font-size: 11px;
    font-family: var(--font-mono);
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
}

.ctf-qf:hover {
    background: rgba(99, 102, 241, 0.15);
    border-color: var(--border-active);
    color: var(--text-primary);
}

.ctf-qf.active {
    background: rgba(99, 102, 241, 0.2);
    border-color: var(--accent-blue);
    color: var(--accent-cyan);
    box-shadow: 0 0 8px rgba(99, 102, 241, 0.2);
}

/* ============================================
   CTF MODAL
   ============================================ */
.ctf-modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(6px);
    z-index: 200;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 32px;
    animation: fadeIn 0.2s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

.ctf-modal {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    width: 100%;
    max-width: 800px;
    max-height: 80vh;
    display: flex;
    flex-direction: column;
    box-shadow: 0 24px 80px rgba(0, 0, 0, 0.5), 0 0 40px rgba(99, 102, 241, 0.1);
    animation: modalSlideUp 0.3s ease;
}

@keyframes modalSlideUp {
    from {
        opacity: 0;
        transform: translateY(24px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.ctf-modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border);
    flex-shrink: 0;
}

.ctf-modal-title {
    font-size: 16px;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 8px;
}

.ctf-modal-actions {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
    justify-content: flex-end;
}

.ctf-modal-body {
    overflow-y: auto;
    padding: 16px 20px;
    flex: 1;
}

/* CTF result items */
.ctf-result-item {
    padding: 10px 14px;
    background: var(--bg-input);
    border-radius: var(--radius-sm);
    margin-bottom: 8px;
    border-left: 3px solid var(--accent-blue);
    font-size: 12px;
    transition: var(--transition);
}

.ctf-result-item:hover {
    background: var(--bg-card-hover);
}

.ctf-result-item.result-flag {
    border-left-color: var(--accent-red);
    background: rgba(239, 68, 68, 0.08);
}

.ctf-result-item.result-b64 {
    border-left-color: var(--accent-purple);
}

.ctf-result-item.result-cred {
    border-left-color: var(--accent-yellow);
}

.ctf-result-item.result-url {
    border-left-color: var(--accent-cyan);
}

.ctf-result-item.result-file {
    border-left-color: var(--accent-orange);
}

.ctf-result-meta {
    font-size: 10px;
    color: var(--text-muted);
    margin-bottom: 4px;
    font-family: var(--font-mono);
}

.ctf-result-ws {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
    margin: 6px 0 8px;
    font-size: 11px;
    color: var(--text-muted);
}

.ctf-result-ws-label {
    font-weight: 700;
    letter-spacing: 0.2px;
}

.ctf-result-ws code {
    font-family: var(--font-mono);
    font-size: 11px;
    padding: 2px 6px;
    border-radius: 6px;
    background: rgba(0, 212, 255, 0.08);
    border: 1px solid rgba(0, 212, 255, 0.14);
    color: var(--accent-cyan);
    word-break: break-all;
}

.ctf-ws-copy {
    font-size: 11px;
    padding: 3px 10px;
}

.ctf-result-value {
    font-family: var(--font-mono);
    color: var(--text-primary);
    font-size: 13px;
    word-break: break-all;
    line-height: 1.5;
    cursor: pointer;
}

.ctf-result-value:hover {
    color: var(--accent-cyan);
}

.ctf-result-decoded {
    margin-top: 6px;
    padding: 8px 10px;
    background: rgba(168, 85, 247, 0.1);
    border-radius: 4px;
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--accent-purple);
    word-break: break-all;
}

.ctf-result-decoded-label {
    font-size: 10px;
    color: var(--text-muted);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 2px;
}

.ctf-no-results {
    text-align: center;
    padding: 40px;
    color: var(--text-muted);
    font-size: 14px;
}

.ctf-ws-hint {
    margin-top: 10px;
    padding: 10px 12px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: rgba(0, 212, 255, 0.06);
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
    font-size: 12px;
    color: var(--text-secondary);
}

.ctf-ws-hint-label {
    font-weight: 700;
    color: var(--text-muted);
}

.ctf-ws-hint code {
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--accent-cyan);
    background: rgba(0, 0, 0, 0.2);
    padding: 4px 8px;
    border-radius: 6px;
    border: 1px solid rgba(0, 212, 255, 0.12);
    word-break: break-all;
}

.ctf-no-results-icon {
    font-size: 40px;
    margin-bottom: 12px;
    opacity: 0.5;
}

.ctf-result-count {
    font-size: 12px;
    color: var(--text-muted);
    padding: 8px 0 12px;
    border-bottom: 1px solid var(--border);
    margin-bottom: 12px;
    font-family: var(--font-mono);
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1200px) {
    .charts-row {
        grid-template-columns: 1fr 1fr;
    }

    .workbench-row {
        grid-template-columns: 1fr;
    }

    .content-right {
        width: 360px;
    }
}

@media (max-width: 992px) {
    .stats-row {
        grid-template-columns: repeat(3, 1fr);
    }

    .charts-row {
        grid-template-columns: 1fr;
    }

    .flow-metrics {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .content-area {
        flex-direction: column;
    }

    .content-right {
        width: 100%;
        position: static;
        max-height: none;
    }
}

@media (max-width: 768px) {
    .main {
        padding: 12px;
    }

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

    .header-center {
        display: none;
    }

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

    .flow-detail-header {
        flex-direction: column;
    }

    .flow-detail-actions {
        justify-content: flex-start;
    }

    .flow-metrics {
        grid-template-columns: 1fr 1fr;
    }

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

    .stream-card-header {
        flex-direction: column;
    }
}