/* Nexus Core — Universal Component Styles */
        :root {
            --primary: #8A2BE2;
            --primary-dark: #6A1CB8;
            --secondary: #00D4FF;
            --accent: #FF2E93;
            --dark: #0F0F1E;
            --darker: #090914;
            --light: #F0F2FE;
            --success: #00F5A0;
            --warning: #FFCC00;
            --danger: #FF4D4D;
            --card-bg: rgba(30, 30, 60, 0.7);
            --glow-primary: rgba(138, 43, 226, 0.4);
            --glow-secondary: rgba(0, 212, 255, 0.4);
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }

        body {
            background: linear-gradient(135deg, var(--darker) 0%, var(--dark) 50%, #1a1a2e 100%);
            color: var(--light);
            min-height: 100vh;
            overflow-x: hidden;
        }

        .floating-elements {
            position: fixed;
            width: 100%;
            height: 100%;
            top: 0;
            left: 0;
            pointer-events: none;
            z-index: 0;
        }

        .floating-element {
            position: absolute;
            border-radius: 50%;
            background: radial-gradient(circle, var(--primary) 0%, transparent 70%);
            filter: blur(20px);
            opacity: 0.3;
            animation: float 8s ease-in-out infinite;
        }

        .floating-element:nth-child(1) {
            width: 200px;
            height: 200px;
            top: 10%;
            left: 5%;
        }

        .floating-element:nth-child(2) {
            width: 300px;
            height: 300px;
            bottom: 10%;
            right: 5%;
            background: radial-gradient(circle, var(--accent) 0%, transparent 70%);
            animation-delay: 2s;
        }

        .floating-element:nth-child(3) {
            width: 150px;
            height: 150px;
            top: 50%;
            right: 15%;
            background: radial-gradient(circle, var(--secondary) 0%, transparent 70%);
            animation-delay: 4s;
        }

        @keyframes float {
            0%, 100% { transform: translateY(0) scale(1); }
            50% { transform: translateY(-30px) scale(1.1); }
        }

        .container {
            max-width: 1450px;
            margin: 0 auto;
            padding: 2rem;
            position: relative;
            z-index: 2;
        }

        header {
            text-align: center;
            margin-bottom: 2rem;
            padding: 2rem 0 1rem;
        }

        .logo {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 15px;
            margin-bottom: 1rem;
        }

        .logo-icon {
            font-size: 2.8rem;
            color: var(--secondary);
            filter: drop-shadow(0 0 10px var(--glow-secondary));
        }

        h1 {
            font-size: 3rem;
            margin-bottom: 0.5rem;
            background: linear-gradient(45deg, var(--primary), var(--secondary), var(--accent));
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            font-weight: 800;
            letter-spacing: 1px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(138, 43, 226, 0.2);
            padding: 0.4rem 1.5rem;
            border-radius: 40px;
            font-size: 0.9rem;
            margin-bottom: 1.8rem;
            backdrop-filter: blur(4px);
        }

        /* Hero Section Diagnostics */
        .diag-hero {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 2.2rem;
            margin: 1.5rem 0;
            flex-wrap: wrap;
            background: linear-gradient(135deg, rgba(0,212,255,0.05), rgba(138,43,226,0.05));
            border-radius: 60px;
            padding: 2rem 2.5rem;
            border: 1px solid rgba(0,212,255,0.2);
            backdrop-filter: blur(8px);
        }

        .diag-definition-box {
            flex: 1.2;
            min-width: 360px;
            background: rgba(0,0,0,0.45);
            border-radius: 32px;
            padding: 2rem 2.2rem;
            border-left: 6px solid var(--danger);
            backdrop-filter: blur(4px);
            text-align: left;
        }

        .diag-definition-box h3 {
            font-size: 2.1rem;
            margin-bottom: 1.2rem;
            color: var(--danger);
            font-weight: 700;
        }

        .diag-definition-box p {
            margin-bottom: 1.2rem;
            font-size: 1.18rem;
            line-height: 1.6;
        }

        .diag-image-container {
            position: relative;
            width: 500px;
            max-width: 100%;
            background: linear-gradient(135deg, rgba(0,212,255,0.12), rgba(138,43,226,0.1));
            border-radius: 36px;
            box-shadow: 0 0 45px rgba(255,77,77,0.3);
            overflow: hidden;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 1.2rem;
        }

        .diag-svg {
            width: 100%;
            height: auto;
            display: block;
            border-radius: 24px;
        }

        .action-group {
            display: flex;
            gap: 1rem;
            margin-top: 1.2rem;
            flex-wrap: wrap;
        }

        .action-pill {
            background: rgba(0,212,255,0.15);
            border-radius: 50px;
            padding: 0.6rem 1.4rem;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            border: 1px solid rgba(0,212,255,0.4);
            font-weight: 500;
            font-size: 1.02rem;
        }

        .action-pill.danger {
            border-color: var(--danger);
            background: rgba(255,77,77,0.15);
        }

        .instant-insight {
            background: linear-gradient(145deg, #0F0F24, #080812);
            border-radius: 28px;
            padding: 1.1rem 1.6rem;
            margin-top: 1.2rem;
            border: 1px solid rgba(0,245,160,0.4);
            width: 100%;
            line-height: 1.5;
            font-size: 1.02rem;
        }

        .spec-badges {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
            justify-content: center;
            margin: 1.6rem 0 0.5rem;
        }

        .badge {
            background: rgba(0,212,255,0.2);
            padding: 0.5rem 1.8rem;
            border-radius: 50px;
            font-size: 0.98rem;
            font-weight: 500;
            backdrop-filter: blur(4px);
        }

        .badge.danger {
            background: rgba(255,77,77,0.2);
            border: 1px solid var(--danger);
        }

        /* Layout */
        .guide-layout {
            display: grid;
            grid-template-columns: 1fr 340px;
            gap: 2rem;
            margin-top: 1rem;
        }

        .main-article {
            background: linear-gradient(145deg, rgba(20, 20, 40, 0.8), rgba(10, 10, 30, 0.95));
            border-radius: 25px;
            padding: 2rem;
            backdrop-filter: blur(12px);
            box-shadow: 0 15px 35px rgba(0,0,0,0.5), inset 0 1px 0 rgba(255,255,255,0.1);
            border: 1px solid rgba(255,255,255,0.1);
        }

        .side-panel {
            position: sticky;
            top: 1.8rem;
            height: fit-content;
        }

        .diag-widget {
            background: linear-gradient(135deg, rgba(255,77,77,0.1), rgba(138,43,226,0.12));
            border-radius: 1.5rem;
            padding: 1.5rem;
            border: 1px solid var(--danger);
            margin-bottom: 1.5rem;
        }

        .diag-widget h4 {
            font-size: 1.2rem;
            margin-bottom: 0.8rem;
            display: flex;
            align-items: center;
            gap: 8px;
            color: var(--danger);
        }

        .cmd-box {
            background: #0A0A14;
            border-radius: 12px;
            padding: 10px 16px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            border: 1px solid rgba(255,255,255,0.1);
            margin: 12px 0;
        }

        .cmd-code {
            font-family: 'Courier New', monospace;
            font-weight: bold;
            color: #FDE047;
        }

        .info-bento {
            background: linear-gradient(145deg, #0F0F24, #080812);
            border-radius: 1.5rem;
            padding: 1.3rem;
            border: 1px solid rgba(138,43,226,0.3);
            margin-bottom: 1.2rem;
        }

        h2 {
            font-size: 1.9rem;
            font-weight: 700;
            margin: 2rem 0 1.2rem;
            border-left: 4px solid var(--primary);
            padding-left: 1.2rem;
            background: linear-gradient(90deg, rgba(138,43,226,0.15) 0%, rgba(0,0,0,0) 100%);
            border-radius: 0 12px 12px 0;
            color: var(--secondary);
            display: flex;
            align-items: center;
            gap: 0.8rem;
        }

        .info-card {
            background: var(--card-bg);
            border-radius: 20px;
            padding: 1.5rem;
            margin-bottom: 1.5rem;
            border-left: 4px solid var(--secondary);
            transition: 0.3s;
        }

        .info-card:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 25px rgba(0,0,0,0.3);
        }

        .info-card.danger-card {
            border-left-color: var(--danger);
        }

        .card-title {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 0.8rem;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .diag-tools-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
            gap: 1rem;
            margin: 1rem 0 1.5rem;
        }

        .diag-tool-card {
            background: rgba(15, 21, 28, 0.8);
            border-radius: 1.2rem;
            padding: 1rem 0.6rem;
            text-align: center;
            transition: all 0.2s ease;
            border: 1px solid #28323e;
            cursor: pointer;
        }

        .diag-tool-card:hover {
            border-color: var(--secondary);
            transform: scale(1.02);
        }

        .cheatsheet-section {
            margin: 2rem 0;
            background: linear-gradient(145deg, rgba(0,212,255,0.05), rgba(138,43,226,0.08));
            border-radius: 32px;
            padding: 1.2rem 1.5rem;
            border: 1px solid rgba(0,212,255,0.25);
        }

        .cheatsheet-title {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 1.4rem;
            font-weight: 700;
            margin-bottom: 1.2rem;
            color: var(--secondary);
            border-left: 4px solid var(--success);
            padding-left: 1rem;
        }

        .cheatsheet-table {
            width: 100%;
            border-collapse: collapse;
            background: rgba(0,0,0,0.35);
            border-radius: 20px;
            overflow: hidden;
        }

        .cheatsheet-table th, .cheatsheet-table td {
            padding: 1rem;
            text-align: left;
            border-bottom: 1px solid rgba(0,212,255,0.2);
        }

        .cheatsheet-table th {
            background: rgba(0,212,255,0.15);
            color: var(--secondary);
        }

        .director-metafora {
            background: linear-gradient(145deg, rgba(0,212,255,0.08), rgba(138,43,226,0.12));
            border-radius: 28px;
            padding: 1.8rem;
            margin-top: 1.8rem;
            border: 1px solid rgba(0,212,255,0.3);
        }

        .metafora-header {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 1rem;
            color: var(--success);
        }

        .step-list {
            display: flex;
            flex-direction: column;
            gap: 0.7rem;
            margin: 1rem 0;
        }

        .step-item {
            display: flex;
            align-items: center;
            gap: 14px;
            background: rgba(0,0,0,0.35);
            padding: 0.6rem 1rem;
            border-radius: 40px;
        }

        .step-number {
            width: 30px;
            height: 30px;
            background: linear-gradient(135deg, var(--danger), #8a2be2);
            border-radius: 50%;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
        }

        .golden-rule {
            background: linear-gradient(135deg, rgba(255,77,77,0.15), rgba(138,43,226,0.2));
            border-radius: 60px;
            padding: 0.7rem 1.5rem;
            display: inline-flex;
            align-items: center;
            gap: 12px;
            margin-top: 1rem;
        }

        @keyframes diagFlash {
            0% { background-color: rgba(255,77,77,0); border-color: #FF4D4D; }
            50% { background-color: rgba(255,77,77,0.2); box-shadow: 0 0 10px #FF4D4D; }
            100% { background-color: rgba(255,77,77,0); }
        }

        .highlight-diag {
            animation: diagFlash 0.6s ease 2;
        }

        @media (max-width: 1200px) {
            .guide-layout { grid-template-columns: 1fr; }
            h1 { font-size: 2.4rem; }
            .diag-hero { flex-direction: column; text-align: center; }
            .diag-definition-box { text-align: center; width: 100%; }
            .diag-image-container { width: 440px; margin: 0 auto; }
        }
        @media (max-width: 650px) {
            .diag-image-container { width: 340px; }
        }