:root, body.dark-theme {
            --bg-color: #000000;
            --container-bg: #1c1c1e;
            --border-color: #2c2c2e;
            --text-primary: #ffffff;
            --text-secondary: #8e8e93;
            --primary: #0071e3;
            --primary-hover: #147ce5;
            --card-hover-border: #3a3a3c;
            --tab-bg: rgba(120, 120, 128, 0.2);
            --tab-active-bg: #2c2c2e;
            --accent: #ffd60a;
            --accent-bg: rgba(255, 214, 10, 0.15);

            /* DISC specific colors */
            --color-d: #ff453a;
            --color-d-bg: rgba(255, 69, 58, 0.12);
            --color-i: #ffd60a;
            --color-i-bg: rgba(255, 214, 10, 0.15);
            --color-s: #30d158;
            --color-s-bg: rgba(48, 209, 88, 0.12);
            --color-c: #0a84ff;
            --color-c-bg: rgba(10, 132, 255, 0.12);
        }

        [data-theme="light"], body.light-theme {
            --bg-color: #f5f5f7;
            --container-bg: #ffffff;
            --border-color: #d2d2d7;
            --text-primary: #1d1d1f;
            --text-secondary: #86868b;
            --primary: #0071e3;
            --primary-hover: #0077ed;
            --card-hover-border: #cbd5e1;
            --tab-bg: rgba(120, 120, 128, 0.08);
            --tab-active-bg: #ffffff;
            --accent: #ffcc00;
            --accent-bg: rgba(255, 204, 0, 0.15);

            /* DISC specific colors for Light theme */
            --color-d: #ff3b30;
            --color-d-bg: rgba(255, 59, 48, 0.08);
            --color-i: #ffcc00;
            --color-i-bg: rgba(255, 204, 0, 0.08);
            --color-s: #34c759;
            --color-s-bg: rgba(52, 199, 89, 0.08);
            --color-c: #0071e3;
            --color-c-bg: rgba(0, 113, 227, 0.08);
        }

        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
            transition: background-color 0.25s ease, border-color 0.25s ease, color 0.25s ease;
        }

        body {
            background-color: var(--bg-color);
            color: var(--text-primary);
            padding: 3rem 1.5rem;
            min-height: 100vh;
            line-height: 1.47059;
            letter-spacing: -0.022em;
        }

        .container {
            max-width: 800px;
            margin: 0 auto;
        }

        /* Header layout */
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: flex-start;
            margin-bottom: 2.5rem;
            gap: 1.5rem;
            width: 100%;
        }

        .title-group {
            text-align: left;
        }

        h1 {
            font-size: 1.75rem;
            font-weight: 700;
            margin-bottom: 0.25rem;
            letter-spacing: -0.015em;
            color: var(--text-primary);
        }

        .subtitle {
            color: var(--text-secondary);
            font-size: 0.95rem;
            font-weight: 400;
        }

        /* Apple Segmented Control for theme */
        .segmented-control {
            display: inline-flex;
            background-color: var(--tab-bg);
            border-radius: 9px;
            padding: 2px;
            gap: 2px;
            align-items: center;
            height: 40px;
        }

        .segment-btn {
            border: none;
            background: none;
            padding: 0 14px;
            border-radius: 7px;
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--text-secondary);
            cursor: pointer;
            user-select: none;
            transition: all 0.15s ease;
            height: 36px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
        }

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

        .segment-btn.active {
            background-color: var(--tab-active-bg);
            color: var(--text-primary);
            box-shadow: 0 1px 3px rgba(0,0,0,0.08);
        }

        .theme-control .segment-btn {
            width: 36px;
            height: 36px;
            padding: 0;
        }

        .theme-icon {
            width: 14px;
            height: 14px;
            stroke-width: 2.2px;
        }

        /* Screen Cards (Intro, Quiz, Result) */
        .screen-card {
            display: none;
            opacity: 0;
            transform: translateY(10px);
            transition: opacity 0.3s ease, transform 0.3s ease;
            background-color: var(--container-bg);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 2rem;
            box-sizing: border-box;
            box-shadow: 0 4px 20px rgba(0,0,0,0.08);
            width: 100%;
        }

        .screen-card.active {
            display: flex;
            flex-direction: column;
            opacity: 1;
            transform: translateY(0);
        }

        /* Progress Bar */
        .progress-container {
            margin-bottom: 1.5rem;
            width: 100%;
        }

        .progress-text {
            display: flex;
            justify-content: space-between;
            font-size: 0.85rem;
            color: var(--text-secondary);
            margin-bottom: 0.5rem;
            font-weight: 500;
        }

        .progress-bar-bg {
            background-color: var(--border-color);
            border-radius: 980px;
            height: 6px;
            overflow: hidden;
            width: 100%;
        }

        .progress-bar-fill {
            background-color: var(--primary);
            height: 100%;
            width: 0%;
            border-radius: 980px;
            transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

        /* Question & Answers */
        .question-text {
            font-size: 1.15rem;
            font-weight: 600;
            color: var(--text-primary);
            line-height: 1.45;
            margin-bottom: 1.5rem;
        }

        .options-list {
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
            margin-bottom: 1.5rem;
            width: 100%;
        }

        .option-item {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            padding: 1rem 1.25rem;
            border-radius: 10px;
            border: 1px solid var(--border-color);
            background-color: var(--bg-color);
            font-size: 0.95rem;
            cursor: pointer;
            position: relative;
            text-align: left;
            width: 100%;
            color: var(--text-primary);
            transition: all 0.2s ease;
        }

        .option-item:hover {
            border-color: var(--card-hover-border);
            transform: translateY(-1px);
            background-color: rgba(120, 120, 128, 0.05);
        }

        .option-item:active {
            transform: translateY(0);
        }

        .option-item.selected {
            border-color: var(--primary) !important;
            background-color: rgba(0, 113, 227, 0.08);
        }

        .option-letter {
            font-weight: 700;
            color: var(--text-secondary);
            font-size: 0.85rem;
            flex-shrink: 0;
            background-color: var(--tab-bg);
            width: 24px;
            height: 24px;
            border-radius: 50%;
            display: inline-flex;
            align-items: center;
            justify-content: center;
        }

        .option-item.selected .option-letter {
            background-color: var(--primary);
            color: white;
        }

        .option-text {
            flex-grow: 1;
            padding-right: 0.5rem;
            line-height: 1.4;
        }

        .option-indicator {
            width: 18px;
            height: 18px;
            border: 2px solid var(--border-color);
            border-radius: 50%;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }

        .option-item.selected .option-indicator {
            border-color: var(--primary);
        }

        .option-item.selected .option-indicator::after {
            content: "";
            width: 8px;
            height: 8px;
            background-color: var(--primary);
            border-radius: 50%;
            display: block;
        }

        /* Buttons & Navigation */
        .navigation-row {
            display: flex;
            justify-content: space-between;
            align-items: center;
            width: 100%;
            flex-wrap: wrap;
            gap: 0.75rem;
        }

        .nav-btn {
            border-radius: 980px;
            padding: 0.5rem 1.25rem;
            font-size: 0.9rem;
            font-weight: 600;
            cursor: pointer;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            transition: all 0.15s ease;
            border: 1px solid var(--border-color);
            background-color: var(--bg-color);
            color: var(--text-primary);
        }

        .nav-btn:hover {
            background-color: var(--tab-bg);
            border-color: var(--card-hover-border);
        }

        .btn-icon {
            width: 14px;
            height: 14px;
            stroke-width: 2.2px;
        }

        .primary-btn {
            background-color: var(--primary);
            color: white;
            border: none;
            border-radius: 980px;
            padding: 0.75rem 1.75rem;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            transition: background-color 0.15s ease, transform 0.1s ease;
        }

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

        .primary-btn:active {
            transform: scale(0.98);
        }

        .btn-icon-right {
            width: 16px;
            height: 16px;
            stroke-width: 2.2px;
        }

        /* Intro Screen Specifics */
        .intro-content {
            display: flex;
            flex-direction: column;
            align-items: center;
            text-align: center;
            gap: 1.5rem;
            width: 100%;
        }

        .logo-area {
            width: 64px;
            height: 64px;
            background-color: var(--tab-bg);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 0.5rem;
        }

        .logo-icon {
            width: 32px;
            height: 32px;
            color: var(--primary);
        }

        .intro-content h2 {
            font-size: 1.6rem;
            font-weight: 700;
            line-height: 1.25;
        }

        .intro-lead {
            font-size: 1.05rem;
            color: var(--text-secondary);
            max-width: 600px;
        }

        .disc-summary-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1rem;
            width: 100%;
            text-align: left;
            margin: 0.5rem 0;
        }

        .disc-summary-card {
            background-color: var(--bg-color);
            border: 1px solid var(--border-color);
            border-radius: 10px;
            padding: 0.85rem 1rem;
            display: flex;
            align-items: flex-start;
            gap: 0.85rem;
        }

        .disc-letter {
            width: 28px;
            height: 28px;
            border-radius: 6px;
            color: white;
            font-weight: 800;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            font-size: 0.95rem;
        }

        .bg-d { background-color: var(--color-d); }
        .bg-i { background-color: var(--color-i); }
        .bg-s { background-color: var(--color-s); }
        .bg-c { background-color: var(--color-c); }

        .disc-summary-card strong {
            font-size: 0.95rem;
            color: var(--text-primary);
            display: block;
            margin-bottom: 0.15rem;
        }

        .disc-summary-card p {
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.35;
        }

        .intro-instructions {
            text-align: left;
            width: 100%;
            background-color: var(--bg-color);
            border: 1px solid var(--border-color);
            border-radius: 10px;
            padding: 1.25rem;
        }

        .intro-instructions h3 {
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 0.75rem;
        }

        .intro-instructions ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }

        .intro-instructions li {
            font-size: 0.9rem;
            color: var(--text-secondary);
            position: relative;
            padding-left: 1.25rem;
        }

        .intro-instructions li::before {
            content: "•";
            color: var(--primary);
            position: absolute;
            left: 0.25rem;
            font-weight: bold;
            font-size: 1.1rem;
        }

        /* Results Screen Specifics */
        .results-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1rem;
            margin-bottom: 1.5rem;
            width: 100%;
        }

        .result-bar-card {
            background-color: var(--bg-color);
            border: 1px solid var(--border-color);
            border-radius: 10px;
            padding: 1rem;
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }

        .card-d { border-left: 4px solid var(--color-d); }
        .card-i { border-left: 4px solid var(--color-i); }
        .card-s { border-left: 4px solid var(--color-s); }
        .card-c { border-left: 4px solid var(--color-c); }

        .bar-header {
            display: flex;
            justify-content: space-between;
            font-size: 0.9rem;
            font-weight: 600;
        }

        .result-bar-bg {
            background-color: var(--border-color);
            height: 10px;
            border-radius: 980px;
            overflow: hidden;
        }

        .result-bar-fill {
            height: 100%;
            width: 0%;
            border-radius: 980px;
            transition: width 1s cubic-bezier(0.1, 0.8, 0.2, 1);
        }

        .fill-d { background-color: var(--color-d); }
        .fill-i { background-color: var(--color-i); }
        .fill-s { background-color: var(--color-s); }
        .fill-c { background-color: var(--color-c); }

        .dominant-profile-card {
            background-color: var(--bg-color);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 1.5rem;
            margin-bottom: 2rem;
            display: flex;
            flex-direction: column;
            gap: 1rem;
            width: 100%;
            text-align: left;
        }

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

        .profile-icon {
            width: 24px;
            height: 24px;
            color: var(--accent);
        }

        .profile-header h2 {
            font-size: 1.3rem;
            font-weight: 700;
        }

        .profile-desc {
            font-size: 0.98rem;
            line-height: 1.5;
            color: var(--text-primary);
        }

        .profile-tip {
            background-color: var(--tab-bg);
            border-left: 4px solid var(--primary);
            padding: 0.75rem 1rem;
            border-radius: 0 8px 8px 0;
            font-size: 0.95rem;
            line-height: 1.45;
        }

        .all-types-section {
            width: 100%;
            text-align: left;
            margin-top: 1rem;
        }

        .section-subtitle {
            font-size: 1.1rem;
            font-weight: 600;
            margin-bottom: 1rem;
            color: var(--text-primary);
        }

        /* Accordion */
        .accordion {
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
            margin-bottom: 1.5rem;
            width: 100%;
        }

        .accordion-item {
            border: 1px solid var(--border-color);
            background-color: var(--bg-color);
            border-radius: 8px;
            overflow: hidden;
        }

        .accordion-trigger {
            width: 100%;
            padding: 1rem;
            background: none;
            border: none;
            text-align: left;
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            color: var(--text-primary);
            font-size: 0.95rem;
            font-weight: 600;
        }

        .accordion-trigger:hover {
            background-color: rgba(120, 120, 128, 0.05);
        }

        .acc-title-group {
            display: flex;
            align-items: center;
            gap: 0.75rem;
        }

        .color-indicator {
            width: 12px;
            height: 12px;
            border-radius: 50%;
            display: inline-block;
            flex-shrink: 0;
        }

        .acc-chevron {
            width: 16px;
            height: 16px;
            transition: transform 0.2s ease;
            color: var(--text-secondary);
        }

        .accordion-item.open .acc-chevron {
            transform: rotate(180deg);
        }

        .accordion-content {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.25s ease-out, padding 0.25s ease;
            padding: 0 1rem;
            font-size: 0.95rem;
            line-height: 1.5;
            color: var(--text-secondary);
        }

        .accordion-item.open .accordion-content {
            max-height: 500px;
            padding: 0 1rem 1rem 1rem;
            border-top: 1px solid var(--border-color);
            margin-top: 0.5rem;
            padding-top: 1rem;
        }

        .acc-desc {
            margin-bottom: 0.75rem;
        }

        .acc-tip {
            background-color: var(--tab-bg);
            border-left: 3px solid var(--primary);
            padding: 0.5rem 0.75rem;
            border-radius: 0 6px 6px 0;
            font-size: 0.9rem;
            color: var(--text-primary);
        }

        .result-actions {
            display: flex;
            justify-content: center;
            margin-top: 1.5rem;
            width: 100%;
        }

        /* Responsive Media Queries */
        @media (max-width: 640px) {
            body {
                padding: 1.5rem 0.75rem;
            }
            h1 {
                font-size: 1.5rem;
            }
            .header-container {
                flex-direction: row;
                justify-content: space-between;
                align-items: flex-start;
                gap: 1rem;
                margin-bottom: 1.5rem;
            }
            .theme-control {
                align-self: flex-start;
                flex-shrink: 0;
            }
            .screen-card {
                padding: 1.25rem;
            }
            .disc-summary-grid, .results-grid {
                grid-template-columns: 1fr;
            }
        }

        /* Dynamic transitions for quiz screens */
        #quiz-card {
            transition: opacity 0.25s ease, transform 0.25s ease;
            width: 100%;
        }
        #quiz-card.slide-out-left {
            opacity: 0;
            transform: translateX(-20px);
        }
        #quiz-card.slide-in-right {
            opacity: 0;
            transform: translateX(20px);
            transition: none;
        }
        #quiz-card.slide-out-right {
            opacity: 0;
            transform: translateX(20px);
        }
        #quiz-card.slide-in-left {
            opacity: 0;
            transform: translateX(-20px);
            transition: none;
        }

        /* Results layout with Radar Chart */
        .results-top-row {
            display: flex;
            gap: 2rem;
            align-items: center;
            margin-bottom: 2rem;
            width: 100%;
        }
        @media (max-width: 640px) {
            .results-top-row {
                flex-direction: column;
                gap: 1.5rem;
            }
        }
        .chart-container {
            flex: 0 0 220px;
            width: 220px;
            height: 220px;
            background-color: var(--bg-color);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 1rem;
            display: flex;
            align-items: center;
            justify-content: center;
            box-sizing: border-box;
        }
        .chart-container svg {
            width: 100%;
            height: 100%;
            overflow: visible;
        }
        #score-polygon {
            transition: points 1s cubic-bezier(0.1, 0.8, 0.2, 1);
        }
        #dot-d, #dot-i, #dot-s, #dot-c {
            transition: cx 1s cubic-bezier(0.1, 0.8, 0.2, 1), cy 1s cubic-bezier(0.1, 0.8, 0.2, 1);
        }
        .results-grid {
            flex: 1;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1rem;
            width: 100%;
        }
        @media (max-width: 480px) {
            .results-grid {
                grid-template-columns: 1fr;
            }
        }


/* Situational Breakdown Styles */
.situational-card {
    background-color: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    width: 100%;
    box-sizing: border-box;
    transition: transform 0.2s ease, border-color 0.25s ease;
}
.situational-card:hover {
    border-color: var(--card-hover-border);
}


/* Question Grid Navigation */
.grid-dot {
    width: 28px;
    height: 28px;
    border-radius: 6px;
    border: 1px solid var(--border-color);
    background-color: transparent;
    color: var(--text-secondary);
    font-size: 0.8rem;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s ease;
    user-select: none;
}
.grid-dot:hover {
    border-color: var(--primary);
    color: var(--primary);
    background-color: var(--tab-bg);
}
.grid-dot.answered {
    background-color: rgba(0, 113, 227, 0.05);
    color: var(--primary);
    border-color: rgba(0, 113, 227, 0.25);
}
.grid-dot.current {
    border-color: var(--primary) !important;
    background-color: var(--primary) !important;
    color: #ffffff !important;
    box-shadow: 0 2px 6px rgba(0, 113, 227, 0.3);
}


/* Disabled navigation button state */
.nav-btn:disabled {
    opacity: 0.35;
    cursor: not-allowed;
    pointer-events: none;
}


/* SEO Article Section */
.seo-section {
    margin-top: 3rem;
    padding-top: 3rem;
    border-top: 1px solid var(--border-color);
    width: 100%;
}
.seo-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 2rem;
    color: var(--text-primary);
    text-align: left;
    letter-spacing: -0.015em;
}
.seo-grid {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    width: 100%;
}
.seo-block {
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
    width: 100%;
}
.seo-block h3 {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.6rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0.5rem;
}
.seo-block p {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.6;
}
.seo-block ul, .seo-block ol {
    padding-left: 1.5rem;
    color: var(--text-secondary);
    font-size: 0.95rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    line-height: 1.6;
}
.seo-fun-fact {
    background-color: var(--tab-bg);
    border-left: 4px solid var(--primary);
    padding: 1.25rem 1.5rem;
    border-radius: 0 10px 10px 0;
    margin: 1rem 0;
}
.seo-fun-fact p {
    font-style: italic;
    color: var(--text-primary);
    font-size: 0.95rem;
    line-height: 1.5;
}
@media print {
    .seo-section {
        display: none !important;
    }
}


/* Ad Placeholders */
.ad-placeholder {
    width: 100%;
    margin: 1rem auto;
    padding: 1.5rem 1rem;
    background-color: var(--tab-bg);
    border: 1px dashed var(--border-color);
    border-radius: 8px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 120px;
    position: relative;
    box-sizing: border-box;
    overflow: hidden;
}
.ad-label {
    position: absolute;
    top: 6px;
    left: 10px;
    font-size: 0.65rem;
    font-weight: 600;
    color: var(--text-secondary);
    letter-spacing: 0.1em;
}
@media print {
    .ad-placeholder {
        display: none !important;
    }
}


/* CTA Row split screen layout */
.cta-row {
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    gap: 2.5rem;
    width: 100%;
    margin-top: 1.5rem;
    margin-bottom: 0.25rem;
}
.cta-buttons {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    align-items: flex-end;
    flex-shrink: 0;
}
#btn-resume-container {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 0.25rem;
    width: 100%;
}
.privacy-box {
    display: flex;
    align-items: flex-start;
    gap: 0.85rem;
    padding: 0.85rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: 10px;
    background-color: var(--bg-color);
    text-align: left;
    width: 100%;
    box-sizing: border-box;
    margin-bottom: 0;
    margin-top: 0.5rem;
}
.privacy-badge {
    width: 28px;
    height: 28px;
    border-radius: 6px;
    background-color: var(--color-s);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: #ffffff;
}
.privacy-badge svg, .privacy-badge i {
    width: 14px;
    height: 14px;
    stroke: currentColor;
}
.privacy-box strong {
    display: block;
    font-size: 0.95rem;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
    font-weight: 600;
}
.privacy-box p {
    font-size: 0.82rem;
    color: var(--text-secondary);
    line-height: 1.35;
    margin: 0;
}

@media (max-width: 768px) {
    .cta-row {
        flex-direction: column;
        text-align: center;
        gap: 1.5rem;
    }
    .cta-row p {
        text-align: center !important;
    }
    .cta-buttons {
        align-items: center;
        width: 100%;
    }
    #btn-resume-container {
        align-items: center;
    }
    .privacy-box {
        margin-bottom: 1.5rem;
    }
}




/* Quiz Screen Container (helps hold exit link outside screen-card) */
.quiz-screen-container {
    display: none;
    opacity: 0;
    transform: translateY(10px);
    transition: opacity 0.3s ease, transform 0.3s ease;
    width: 100%;
    flex-direction: column;
    align-items: center;
}
.quiz-screen-container.active {
    display: flex;
    opacity: 1;
    transform: translateY(0);
}

/* Quiz Header Bar (Dashboard Style) */
.quiz-header-bar {
    display: flex;
    flex-direction: column;
    width: 100%;
    margin-bottom: 1.25rem;
    box-sizing: border-box;
    padding: 0 0.25rem;
    gap: 0.75rem;
}
.quiz-meta-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    flex-wrap: wrap;
    gap: 0.75rem;
}
.quiz-dots-row {
    display: flex;
    justify-content: space-between;
    width: 100%;
}
.quiz-header-bar .nav-btn {
    padding: 0.45rem 1rem;
    font-size: 0.9rem;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    border-radius: 980px;
    background-color: var(--container-bg);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s ease;
}
.quiz-header-bar .nav-btn:hover {
    color: var(--text-primary);
    background-color: var(--tab-bg);
}
.quiz-header-bar .horizontal-dots {
    display: flex;
    gap: 0.35rem;
    justify-content: space-between;
    flex-wrap: wrap;
    padding: 0.25rem 0;
    width: 100%;
}
.quiz-header-bar .compact-progress {
    font-size: 0.85rem;
    color: var(--text-secondary);
    font-weight: 600;
    white-space: nowrap;
    background-color: var(--tab-bg);
    border: 1px solid var(--border-color);
    border-radius: 980px;
    padding: 0.45rem 1rem;
    display: inline-flex;
    align-items: center;
}


/* Header title click and hover styling */
#app-title {
    cursor: pointer !important;
    transition: color 0.2s ease;
    width: fit-content;
    user-select: none;
}
#app-title:hover {
    color: var(--primary) !important;
}


/* Footer / About Section Styling */
.about-footer {
    margin-top: 4rem;
    padding-top: 2rem;
    padding-bottom: 2rem;
    border-top: 1px solid var(--border-color);
    width: 100%;
    color: var(--text-secondary);
    font-size: 0.85rem;
    line-height: 1.5;
}
.about-footer h3 {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
}
.footer-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem;
    margin-bottom: 1.5rem;
}
.footer-section p {
    margin: 0 0 1rem 0;
}
.footer-contact {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 600;
    color: var(--text-primary);
}
.footer-contact a {
    color: var(--primary);
    text-decoration: none;
    transition: opacity 0.2s ease;
}
.footer-contact a:hover {
    text-decoration: underline;
}
.footer-bottom {
    text-align: center;
    font-size: 0.75rem;
    border-top: 1px solid var(--border-color);
    padding-top: 1.5rem;
    margin-top: 1.5rem;
    opacity: 0.8;
}

@media (max-width: 640px) {
    .footer-content {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    .about-footer {
        margin-top: 2.5rem;
        padding-top: 1.5rem;
    }
}


/* Workplace Collaboration Guide */
.collab-guide-container {
    margin-top: 2rem;
    border-top: 1px solid var(--border-color);
    padding-top: 1.5rem;
    text-align: left;
    width: 100%;
    box-sizing: border-box;
}
.collab-guide-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.35rem;
    text-align: center;
}
.collab-guide-subtitle {
    text-align: center;
    margin: 0 0 1.25rem 0;
    font-size: 0.88rem;
    color: var(--text-secondary);
}
.collab-tabs {
    display: flex;
    width: 100%;
    margin-bottom: 1rem;
    box-sizing: border-box;
}
.collab-tabs .segment-btn {
    flex: 1;
    font-weight: 600;
}
.collab-content-box {
    background-color: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 1.25rem;
    min-height: 200px;
    box-sizing: border-box;
    transition: all 0.3s ease;
}
.collab-columns {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}
.profile-guide-section li {
    margin-bottom: 0.35rem;
}
@media (max-width: 640px) {
    .collab-columns {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
}


/* dubio.io Platform Hero & Catalog Grid Styles */
.portal-hero {
    background-color: var(--container-bg);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 2.25rem 1.5rem;
    text-align: center;
    margin-bottom: 1.5rem;
    box-shadow: 0 4px 12px rgba(0,0,0,0.02);
}
.portal-hero h2 {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.6rem;
    line-height: 1.3;
}
.portal-hero p {
    font-size: 0.98rem;
    color: var(--text-secondary);
    max-width: 650px;
    margin: 0 auto;
    line-height: 1.5;
}

/* Language Switcher Control */
.lang-control {
    height: 40px;
}
.lang-btn {
    padding: 0 10px;
    font-weight: 600;
    font-size: 0.8rem;
}
.lang-btn.active {
    background-color: var(--primary);
    color: #ffffff !important;
}

/* Catalog Grid & Cards */
.catalog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 1.25rem;
    margin-bottom: 2.5rem;
    width: 100%;
}

.test-card {
    background-color: var(--container-bg);
    border: 1px solid var(--border-color);
    border-radius: 14px;
    padding: 1.35rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    text-align: left;
    transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
    position: relative;
    box-shadow: 0 2px 6px rgba(0,0,0,0.02);
}

.test-card:hover {
    transform: translateY(-2px);
    border-color: var(--primary);
    box-shadow: 0 6px 16px rgba(0,0,0,0.06);
}

.test-card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 0.85rem;
}

.test-card-icon {
    width: 42px;
    height: 42px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
    flex-shrink: 0;
}

.test-card-badge {
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.25rem 0.6rem;
    border-radius: 980px;
    background-color: var(--tab-bg);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
}

.test-card-badge.popular {
    background-color: rgba(0, 113, 227, 0.1);
    color: var(--primary);
    border-color: rgba(0, 113, 227, 0.2);
}

.test-card-title {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.35rem;
}

.test-card-desc {
    font-size: 0.88rem;
    color: var(--text-secondary);
    line-height: 1.45;
    margin-bottom: 1.25rem;
    flex-grow: 1;
}

.test-card-meta {
    display: flex;
    align-items: center;
    gap: 0.85rem;
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
    font-weight: 500;
}

.test-card-meta-item {
    display: flex;
    align-items: center;
    gap: 0.3rem;
}

.test-card-btn {
    width: 100%;
    justify-content: center;
    padding: 0.65rem 1rem;
    font-size: 0.9rem;
    text-decoration: none;
    box-sizing: border-box;
}

.test-card.disabled {
    opacity: 0.7;
}
.test-card.disabled:hover {
    transform: none;
    border-color: var(--border-color);
    box-shadow: none;
}


/* dubio.io Apple Segmented Control Style Dropdowns */
.lang-dropdown-wrapper.segmented-control {
    position: relative;
    display: inline-flex;
    background-color: var(--tab-bg);
    border-radius: 9px;
    padding: 2px;
    align-items: center;
    height: 40px;
    box-sizing: border-border;
    z-index: 1000;
}

.lang-dropdown-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.45rem;
    height: 36px;
    padding: 0 12px;
    border: none;
    border-radius: 7px;
    background-color: var(--tab-active-bg);
    color: var(--text-primary);
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    user-select: none;
    transition: all 0.15s ease;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
}

.lang-dropdown-btn:hover {
    color: var(--primary);
    background-color: var(--tab-active-bg);
}

.lang-flag {
    font-size: 1.05rem;
    line-height: 1;
}

.lang-code {
    font-weight: 600;
    font-size: 0.85rem;
}

.lang-dropdown-menu {
    position: absolute;
    top: calc(100% + 6px);
    right: 0;
    min-width: 170px;
    background-color: var(--container-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
    padding: 0.4rem;
    display: none;
    flex-direction: column;
    gap: 0.25rem;
    z-index: 1001;
    backdrop-filter: blur(20px);
}

.lang-dropdown-menu.show {
    display: flex;
    animation: fadeInDropdown 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes fadeInDropdown {
    from { opacity: 0; transform: translateY(-6px); }
    to { opacity: 1; transform: translateY(0); }
}

.lang-dropdown-item {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    width: 100%;
    padding: 0.55rem 0.75rem;
    background: transparent;
    border: none;
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 0.88rem;
    font-weight: 500;
    cursor: pointer;
    text-align: left;
    transition: all 0.15s ease;
    box-sizing: border-box;
}

.lang-dropdown-item:hover {
    background-color: var(--tab-bg);
    color: var(--primary);
}

.lang-dropdown-item.active {
    background-color: rgba(0, 113, 227, 0.1);
    color: var(--primary);
    font-weight: 700;
}

.lang-code-tag {
    margin-left: auto;
    font-size: 0.72rem;
    font-weight: 700;
    color: var(--text-secondary);
    background-color: var(--tab-bg);
    padding: 0.15rem 0.4rem;
    border-radius: 4px;
}

/* Print styling optimized for A4 */
        @media print {
            body {
                background-color: #ffffff !important;
                color: #000000 !important;
                padding: 0 !important;
            }
            .container {
                max-width: 100% !important;
            }
            .screen-card {
                border: none !important;
                box-shadow: none !important;
                background-color: #ffffff !important;
                padding: 0 !important;
                display: none !important;
            }
            #result-screen {
                display: flex !important;
                opacity: 1 !important;
                transform: none !important;
            }
            .header-container, .result-actions, .theme-control, .all-types-section, .about-footer, .collab-guide-container {
                display: none !important;
            }
            .chart-container {
                border: 1px solid #d2d2d7 !important;
                background-color: #ffffff !important;
            }
            .result-bar-card {
                border: 1px solid #d2d2d7 !important;
                background-color: #ffffff !important;
            }
            .dominant-profile-card {
                border: 1px solid #d2d2d7 !important;
                background-color: #ffffff !important;
                page-break-inside: avoid;
            }
            .profile-tip {
                background-color: #f5f5f7 !important;
                border-left: 4px solid #0071e3 !important;
            }
            .situational-card {
                border: 1px solid #d2d2d7 !important;
                background-color: #ffffff !important;
                page-break-inside: avoid !important;
                margin-top: 1rem !important;
            }
            .segmented-bar {
                border: 1px solid #d2d2d7 !important;
                -webkit-print-color-adjust: exact !important;
                print-color-adjust: exact !important;
            }
            * {
                -webkit-print-color-adjust: exact !important;
                print-color-adjust: exact !important;
            }
        }