/* Custom Variables & Color Palette */
:root {
    --bg-base: #0a0a0f;
    --bg-sidebar: #0f0f18;
    --card-bg: rgba(18, 18, 29, 0.5);
    --card-border: rgba(255, 255, 255, 0.06);
    --text-primary: #f3f3f6;
    --text-secondary: #9ea0ab;
    --text-muted: #646777;
    
    /* Neon Status Palette */
    --accent-purple: #8b5cf6;
    --accent-purple-glow: rgba(139, 92, 246, 0.15);
    --accent-green: #10b981;
    --accent-green-glow: rgba(16, 185, 129, 0.15);
    --accent-yellow: #f59e0b;
    --accent-yellow-glow: rgba(245, 158, 11, 0.15);
    --accent-red: #ef4444;
    --accent-red-glow: rgba(239, 68, 68, 0.15);
    --accent-blue: #06b6d4;
    --accent-blue-glow: rgba(6, 182, 212, 0.15);
    
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
}

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

body {
    background-color: var(--bg-base);
    color: var(--text-primary);
    font-family: var(--font-sans);
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
}

/* Dynamic Radial Glow Backgrounds */
.glow-bg {
    position: fixed;
    top: -20%;
    left: -20%;
    width: 140%;
    height: 140%;
    background: radial-gradient(circle at 10% 10%, rgba(139, 92, 246, 0.08) 0%, transparent 40%),
                radial-gradient(circle at 90% 80%, rgba(6, 182, 212, 0.06) 0%, transparent 40%),
                radial-gradient(circle at 50% 50%, rgba(16, 185, 129, 0.04) 0%, transparent 50%);
    pointer-events: none;
    z-index: -1;
}

/* Container & Layout */
.app-container {
    display: flex;
    min-height: 100vh;
}

/* Sidebar Styling */
.sidebar {
    width: 280px;
    background-color: var(--bg-sidebar);
    border-right: 1px solid var(--card-border);
    display: flex;
    flex-direction: column;
    padding: 2rem 1.5rem;
    flex-shrink: 0;
    z-index: 10;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 3rem;
}

.brand-icon {
    font-size: 1.8rem;
    color: var(--accent-purple);
    filter: drop-shadow(0 0 10px rgba(139, 92, 246, 0.4));
}

.brand-name {
    font-size: 1.35rem;
    font-weight: 700;
    letter-spacing: -0.5px;
    background: linear-gradient(135deg, #fff 0%, #a78bfa 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.brand-tag {
    font-size: 0.7rem;
    font-weight: 500;
    color: var(--text-muted);
    background: rgba(255, 255, 255, 0.05);
    padding: 2px 6px;
    border-radius: 4px;
    margin-left: auto;
}

.nav-menu {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    flex-grow: 1;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    background: transparent;
    border: none;
    padding: 1rem 1.25rem;
    border-radius: 12px;
    color: var(--text-secondary);
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    text-align: left;
    transition: var(--transition-smooth);
    width: 100%;
}

.nav-item i {
    font-size: 1.1rem;
    transition: var(--transition-smooth);
}

.nav-item:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.03);
}

.nav-item.active {
    color: #fff;
    background: rgba(139, 92, 246, 0.12);
    border: 1px solid rgba(139, 92, 246, 0.2);
    box-shadow: inset 0 0 12px rgba(139, 92, 246, 0.05);
}

.nav-item.active i {
    color: var(--accent-purple);
    filter: drop-shadow(0 0 5px rgba(139, 92, 246, 0.5));
}

.sidebar-footer {
    padding-top: 1.5rem;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.status-indicator-container {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.8rem;
    color: var(--text-muted);
}

.status-pulse {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: var(--accent-green);
    box-shadow: 0 0 8px var(--accent-green);
    position: relative;
}

.status-pulse::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background-color: var(--accent-green);
    opacity: 0.4;
    animation: pulse 1.8s infinite;
}

@keyframes pulse {
    0% { transform: scale(1); opacity: 0.6; }
    100% { transform: scale(2.5); opacity: 0; }
}

/* Main Content Styling */
.main-content {
    flex-grow: 1;
    padding: 2.5rem 3rem;
    overflow-y: auto;
    max-height: 100vh;
}

/* Content Header */
.content-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2.5rem;
}

.content-header h1 {
    font-size: 1.75rem;
    font-weight: 700;
    letter-spacing: -0.5px;
    margin-bottom: 0.25rem;
}

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

.os-pill {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--card-border);
    padding: 0.5rem 1rem;
    border-radius: 8px;
    color: var(--text-primary);
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.85rem;
}

.os-pill select {
    background: transparent;
    border: none;
    color: var(--text-primary);
    outline: none;
    cursor: pointer;
    font-family: inherit;
    font-size: 0.85rem;
    padding-right: 0.5rem;
}

.quick-status {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.quick-status .label {
    font-size: 0.8rem;
    color: var(--text-muted);
    font-weight: 600;
    text-transform: uppercase;
}

/* Card Styling & Glassmorphism */
.glass-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 16px;
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.3);
    padding: 1.75rem;
    transition: var(--transition-smooth);
}

.glass-card:hover {
    border-color: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
    box-shadow: 0 12px 40px 0 rgba(0, 0, 0, 0.4);
}

/* Tab Panels */
.tab-panel {
    display: none;
    animation: fadeIn 0.4s ease-out;
}

.tab-panel.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Dashboard Tab Styles */
.grid-overview {
    display: grid;
    grid-template-columns: 1.4fr 1fr;
    gap: 2rem;
    margin-bottom: 2rem;
}

.main-health-card {
    display: flex;
    align-items: center;
    gap: 2.5rem;
    background: linear-gradient(135deg, rgba(20, 20, 35, 0.6) 0%, rgba(13, 13, 23, 0.6) 100%);
}

.health-gauge-container {
    position: relative;
    width: 120px;
    height: 120px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.progress-ring {
    transform: rotate(-90deg);
}

.progress-ring__circle {
    transition: stroke-dashoffset 0.6s ease;
    transform-origin: 50% 50%;
}

.health-score-text {
    position: absolute;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

#health-score-value {
    font-size: 1.75rem;
    font-weight: 700;
    color: #fff;
}

.score-label {
    font-size: 0.65rem;
    font-weight: 700;
    color: var(--text-muted);
    letter-spacing: 1px;
}

.health-summary-info h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.health-summary-info p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.5;
    margin-bottom: 1rem;
}

/* Badges */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.4rem 0.8rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}

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

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

.badge-danger {
    background-color: var(--accent-red-glow);
    color: var(--accent-red);
    border: 1px solid rgba(239, 68, 68, 0.2);
}

.badge-success-outline {
    border: 1px solid rgba(16, 185, 129, 0.3);
    color: var(--accent-green);
    background: transparent;
    padding: 0.2rem 0.6rem;
    border-radius: 6px;
    font-size: 0.75rem;
}

.badge-warning-outline {
    border: 1px solid rgba(245, 158, 11, 0.3);
    color: var(--accent-yellow);
    background: transparent;
    padding: 0.2rem 0.6rem;
    border-radius: 6px;
    font-size: 0.75rem;
}

.badge-danger-outline {
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: var(--accent-red);
    background: transparent;
    padding: 0.2rem 0.6rem;
    border-radius: 6px;
    font-size: 0.75rem;
}

/* Insight List */
.quick-alerts h3 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.alert-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.insight-item {
    display: flex;
    gap: 0.75rem;
    padding: 0.75rem;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.015);
    border-left: 3px solid transparent;
}

.insight-item.green {
    border-left-color: var(--accent-green);
}
.insight-item.green i {
    color: var(--accent-green);
}

.insight-item.yellow {
    border-left-color: var(--accent-yellow);
}
.insight-item.yellow i {
    color: var(--accent-yellow);
}

.insight-item.red {
    border-left-color: var(--accent-red);
}
.insight-item.red i {
    color: var(--accent-red);
}

.insight-content h4 {
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 2px;
}

.insight-content p {
    font-size: 0.8rem;
    color: var(--text-secondary);
    line-height: 1.4;
}

/* Detailed Grid */
.grid-details {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

.card-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
}

.card-title-icon {
    width: 36px;
    height: 36px;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.03);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
}

.color-red { color: var(--accent-red); }
.color-blue { color: var(--accent-blue); }
.color-purple { color: var(--accent-purple); }
.color-yellow { color: var(--accent-yellow); }

.card-header h4 {
    font-size: 1rem;
    font-weight: 600;
}

/* Progress Meters */
.metric-progress-group {
    margin-bottom: 1.25rem;
}

.metric-label-row {
    display: flex;
    justify-content: space-between;
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.metric-val {
    font-weight: 600;
    color: var(--text-primary);
}

.progress-bar-bg {
    height: 6px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 3px;
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    border-radius: 3px;
    transition: width 0.8s ease-in-out;
}

.bg-green { background-color: var(--accent-green); box-shadow: 0 0 8px var(--accent-green); }
.bg-blue { background-color: var(--accent-blue); box-shadow: 0 0 8px var(--accent-blue); }
.bg-purple { background-color: var(--accent-purple); box-shadow: 0 0 8px var(--accent-purple); }
.bg-yellow { background-color: var(--accent-yellow); box-shadow: 0 0 8px var(--accent-yellow); }

.text-green { color: var(--accent-green); }
.text-yellow { color: var(--accent-yellow); }
.text-red { color: var(--accent-red); }

.status-badge-row {
    margin-top: 1rem;
    padding-top: 0.75rem;
    border-top: 1px solid rgba(255, 255, 255, 0.03);
}

.status-subtext {
    font-size: 0.8rem;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.explanation-hint {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 0.5rem;
    line-height: 1.4;
}

/* Security list style */
.security-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.security-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.03);
}

.security-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

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

/* Scanner Tab Layout */
.interactive-steps-layout {
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    gap: 2rem;
}

.scan-instructions-panel h3, .scan-paste-panel h3 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.lead-text {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.os-toggle-buttons {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
    background: rgba(0, 0, 0, 0.2);
    padding: 4px;
    border-radius: 8px;
    border: 1px solid var(--card-border);
}

.os-btn {
    flex-grow: 1;
    background: transparent;
    border: none;
    padding: 0.6rem;
    border-radius: 6px;
    color: var(--text-secondary);
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    transition: var(--transition-smooth);
}

.os-btn.active {
    background: var(--accent-purple);
    color: #fff;
    box-shadow: 0 4px 12px rgba(139, 92, 246, 0.3);
}

.os-instruction-content {
    display: none;
}

.os-instruction-content.active {
    display: block;
    animation: fadeIn 0.3s ease-out;
}

.step-list {
    margin-left: 1.25rem;
    font-size: 0.85rem;
    color: var(--text-secondary);
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
}

.step-list li::marker {
    color: var(--accent-purple);
    font-weight: 700;
}

kbd {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 4px;
    padding: 2px 5px;
    font-size: 0.75rem;
    font-family: inherit;
    box-shadow: 0 1px 0 rgba(0,0,0,0.5);
}

.chrome-url {
    background: rgba(6, 182, 212, 0.1);
    color: var(--accent-blue);
    padding: 2px 6px;
    border-radius: 4px;
    font-family: var(--font-mono);
    font-size: 0.8rem;
}

.code-container {
    position: relative;
    border-radius: 8px;
    background: #050508;
    border: 1px solid var(--card-border);
    margin-top: 1rem;
}

.code-container pre {
    padding: 1.25rem;
    overflow-x: auto;
    max-height: 180px;
}

.code-container code {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: #a78bfa;
    white-space: pre-wrap;
    word-break: break-all;
}

.btn {
    font-family: inherit;
    font-weight: 600;
    font-size: 0.85rem;
    border-radius: 8px;
    padding: 0.75rem 1.25rem;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: var(--transition-smooth);
    border: none;
}

.btn-primary {
    background: var(--accent-purple);
    color: #fff;
}

.btn-primary:hover {
    background: #7c3aed;
    box-shadow: 0 0 15px rgba(139, 92, 246, 0.4);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.04);
    color: var(--text-secondary);
    border: 1px solid var(--card-border);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.08);
    color: var(--text-primary);
}

.btn-copy {
    position: absolute;
    top: 8px;
    right: 8px;
    padding: 0.4rem 0.8rem;
    font-size: 0.75rem;
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-secondary);
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.btn-copy:hover {
    background: var(--accent-purple);
    color: #fff;
}

/* Fancy Textarea */
.fancy-textarea {
    width: 100%;
    height: 250px;
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--card-border);
    border-radius: 12px;
    padding: 1rem;
    color: var(--text-primary);
    font-family: var(--font-mono);
    font-size: 0.8rem;
    resize: none;
    outline: none;
    transition: var(--transition-smooth);
    margin-bottom: 1.25rem;
}

.fancy-textarea:focus {
    border-color: rgba(139, 92, 246, 0.5);
    box-shadow: 0 0 12px rgba(139, 92, 246, 0.1);
}

.action-bar-row {
    display: flex;
    justify-content: flex-end;
    gap: 1rem;
}

/* Decoder Tab Styles */
.decoder-container {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

.fancy-textarea-large {
    width: 100%;
    height: 180px;
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--card-border);
    border-radius: 12px;
    padding: 1rem;
    color: var(--text-primary);
    font-family: var(--font-mono);
    font-size: 0.8rem;
    resize: none;
    outline: none;
    transition: var(--transition-smooth);
    margin-bottom: 1.25rem;
}

.fancy-textarea-large:focus {
    border-color: rgba(139, 92, 246, 0.5);
}

.demo-logs-section {
    margin-bottom: 1.5rem;
}

.section-label {
    font-size: 0.8rem;
    color: var(--text-muted);
    font-weight: 600;
    text-transform: uppercase;
    display: block;
    margin-bottom: 0.75rem;
}

.demo-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.chip {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--card-border);
    padding: 0.5rem 0.85rem;
    border-radius: 20px;
    color: var(--text-secondary);
    font-size: 0.8rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.4rem;
    transition: var(--transition-smooth);
}

.chip:hover {
    background: rgba(255, 255, 255, 0.07);
    color: var(--text-primary);
}

.text-blue { color: var(--accent-blue); }
.text-red { color: var(--accent-red); }
.text-purple { color: var(--accent-purple); }

/* Results panel */
.decoder-result-section {
    animation: slideUp 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    background: linear-gradient(135deg, rgba(17, 17, 28, 0.8) 0%, rgba(10, 10, 16, 0.8) 100%);
}

.hidden {
    display: none !important;
}

@keyframes slideUp {
    from { opacity: 0; transform: translateY(15px); }
    to { opacity: 1; transform: translateY(0); }
}

.result-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.badge-status-glow {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background-color: var(--accent-red);
    box-shadow: 0 0 10px var(--accent-red);
}

#result-title {
    font-size: 1.15rem;
    font-weight: 600;
}

.divider {
    border: none;
    height: 1px;
    background: rgba(255, 255, 255, 0.06);
    margin: 1.25rem 0;
}

.decoded-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin-bottom: 1.75rem;
}

.label-header {
    font-size: 0.8rem;
    color: var(--text-muted);
    font-weight: 700;
    text-transform: uppercase;
    display: flex;
    align-items: center;
    gap: 0.4rem;
    margin-bottom: 0.5rem;
}

.value-desc {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

.recommended-fix-block {
    background: rgba(255, 255, 255, 0.015);
    border: 1px solid rgba(255, 255, 255, 0.03);
    border-radius: 12px;
    padding: 1.25rem;
}

.recommended-fix-block h4 {
    font-size: 0.95rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
    color: #fff;
}

.recommended-fix-block h4 i {
    color: var(--accent-green);
}

.fix-list {
    margin-left: 1.25rem;
    font-size: 0.9rem;
    color: var(--text-secondary);
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}

.fix-list li {
    line-height: 1.5;
}

.fix-list li strong {
    color: var(--text-primary);
}

/* Troubleshooter/KB CSS */
.kb-container {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.kb-search-bar {
    position: relative;
    padding: 0;
    border-radius: 12px;
    overflow: hidden;
}

.kb-search-bar input {
    width: 100%;
    background: transparent;
    border: none;
    outline: none;
    color: var(--text-primary);
    font-family: inherit;
    font-size: 1rem;
    padding: 1.25rem 1.25rem 1.25rem 3.5rem;
}

.search-icon {
    position: absolute;
    left: 1.5rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    font-size: 1.1rem;
}

.kb-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

.kb-card {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.75rem;
}

.kb-icon-container {
    width: 44px;
    height: 44px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}

.bg-blue-trans { background: var(--accent-blue-glow); }
.bg-red-trans { background: var(--accent-red-glow); }
.bg-purple-trans { background: var(--accent-purple-glow); }
.bg-yellow-trans { background: var(--accent-yellow-glow); }

.kb-card h3 {
    font-size: 1.1rem;
    font-weight: 600;
}

.kb-card p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.5;
    flex-grow: 1;
    margin-bottom: 0.75rem;
}

.btn-text {
    background: transparent;
    border: none;
    color: var(--accent-purple);
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0;
}

.btn-text:hover {
    color: #a78bfa;
}

.btn-text i {
    transition: var(--transition-smooth);
}

.btn-text:hover i {
    transform: translateX(3px);
}

/* Back button */
.btn-back {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.btn-back:hover {
    color: var(--text-primary);
}

.kb-detail-panel h2 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.kb-flow {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.kb-step {
    padding: 1.25rem;
    background: rgba(255, 255, 255, 0.015);
    border: 1px solid rgba(255, 255, 255, 0.03);
    border-radius: 12px;
}

.kb-step h4 {
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: #fff;
}

.kb-step p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* Toast */
.toast {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    background: #1e1b4b;
    border: 1px solid var(--accent-purple);
    color: #fff;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    font-size: 0.85rem;
    font-weight: 600;
    box-shadow: 0 4px 15px rgba(0,0,0,0.5);
    z-index: 100;
    animation: fadeIn 0.2s ease-out;
}

/* Custom Select Dropdown wrapper styling */
.select-wrapper {
    position: relative;
    padding: 0;
}

.select-wrapper select {
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    padding: 0.5rem 2rem 0.5rem 1rem;
    border: none;
    background-color: transparent;
    color: var(--text-primary);
    font-family: inherit;
    font-weight: 500;
    outline: none;
    cursor: pointer;
    font-size: 0.85rem;
}

.select-wrapper::after {
    content: '\f0d7'; /* fontawesome caret down */
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    position: absolute;
    right: 0.75rem;
    top: 50%;
    transform: translateY(-50%);
    pointer-events: none;
    color: var(--text-secondary);
    font-size: 0.75rem;
}

/* Custom layout responsiveness */
@media (max-width: 1024px) {
    .app-container {
        flex-direction: column;
    }
    .sidebar {
        width: 100%;
        border-right: none;
        border-bottom: 1px solid var(--card-border);
        padding: 1.25rem;
    }
    .logo {
        margin-bottom: 1rem;
    }
    .nav-menu {
        flex-direction: row;
        overflow-x: auto;
        padding-bottom: 0.5rem;
    }
    .nav-item {
        white-space: nowrap;
        padding: 0.75rem 1rem;
    }
    .main-content {
        padding: 1.5rem;
        max-height: none;
    }
    .grid-overview {
        grid-template-columns: 1fr;
    }
    .grid-details {
        grid-template-columns: 1fr;
    }
    .interactive-steps-layout {
        grid-template-columns: 1fr;
    }
}