:root {
    --bg-color: #f0f2f5;
    --text-color: #333;
    --header-bg: #ffffff;
    --main-bg: #ffffff;
    --footer-bg: #ffffff;
    --box-shadow-light: rgba(0, 0, 0, 0.05);
    --box-shadow-medium: rgba(0, 0, 0, 0.08);
    --box-shadow-strong: rgba(0, 0, 0, 0.1);
    --primary-color: #4CAF50;
    --primary-color-hover: #43A047;
    --secondary-color: #3F51B5;
    --secondary-color-light: #e8f0fe;
    --question-text-color: #3F51B5;
    --ad-bg: #e9ecef;
    --ad-text-color: #6c757d;
    --ad-border: #ced4da;
    --start-h2-color: #343a40;
    --start-p-color: #555;
    --result-h2-color: #555;
    --result-card-bg: #fdfdfd;
}

body.dark-mode {
    --bg-color: #212529;
    --text-color: #e0e0e0;
    --header-bg: #2b3035;
    --main-bg: #2b3035;
    --footer-bg: #2b3035;
    --box-shadow-light: rgba(255, 255, 255, 0.05);
    --box-shadow-medium: rgba(255, 255, 255, 0.08);
    --box-shadow-strong: rgba(255, 255, 255, 0.1);
    --primary-color: #66BB6A; /* Lighter green for dark mode */
    --primary-color-hover: #81C784;
    --secondary-color: #7986CB; /* Lighter blue for dark mode */
    --secondary-color-light: #3a4563;
    --question-text-color: #bbdefb; /* Lighter blue for questions */
    --ad-bg: #3a4563;
    --ad-text-color: #bbdefb;
    --ad-border: #5c678a;
    --start-h2-color: #f8f9fa;
    --start-p-color: #ccc;
    --result-h2-color: #e0e0e0;
    --result-card-bg: #343a40;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    display: flex;
    flex-direction: column;
    align-items: center;
    margin: 0;
    min-height: 100vh;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    transition: background-color 0.3s ease, color 0.3s ease;
}

header {
    background-color: var(--header-bg);
    padding: 1rem 2rem; /* Restore original padding for header */
    text-align: center;
    width: 100%;
    box-shadow: 0 4px 10px var(--box-shadow-light);
    margin-bottom: 1rem;
    position: relative; /* Keep relative for absolute controls */
}

/* Header Controls Styling */
.header-controls {
    position: absolute;
    top: 1rem;
    right: 1rem;
    display: flex; /* Use flexbox for horizontal arrangement */
    gap: 8px; /* Space between control groups */
    align-items: center;
}

/* General styling for control groups */
#navigation-controls,
#language-switcher,
#theme-switcher {
    display: flex;
    border-radius: 6px;
    overflow: hidden; /* For rounded corners on contained buttons */
    border: 1px solid var(--ad-border);
}

/* Styling for the new Home button */
#go-to-start-btn {
    background-color: var(--ad-bg);
    color: var(--ad-text-color);
    padding: 8px 12px;
    cursor: pointer;
    font-size: 0.85rem;
    transition: all 0.2s ease;
    white-space: nowrap;
    border: none;
    border-radius: 6px; /* Apply border-radius directly for single button */
}

#go-to-start-btn:hover {
    background-color: var(--ad-border);
    color: var(--text-color);
}

/* Existing language switcher styles */
#language-switcher { /* Keep original language-switcher display flex to align lang-btns */
    display: flex; 
    border-radius: 6px;
    overflow: hidden;
    border: 1px solid var(--ad-border);
}

.lang-btn {
    background-color: var(--ad-bg);
    color: var(--ad-text-color);
    padding: 8px 12px;
    cursor: pointer;
    font-size: 0.85rem;
    transition: all 0.2s ease;
    white-space: nowrap;
    border: none;
    position: relative;
    z-index: 1;
    border-radius: 0; /* Reset border-radius here as it's on the parent now */
}

.lang-btn:first-child {
    border-top-left-radius: 6px;
    border-bottom-left-radius: 6px;
}
.lang-btn:last-child {
    border-top-right-radius: 6px;
    border-bottom-right-radius: 6px;
}

.lang-btn:not(.active):hover {
    background-color: var(--ad-border);
    color: var(--text-color);
}

.lang-btn.active {
    background-color: var(--primary-color);
    color: white;
    font-weight: 600;
    box-shadow: inset 0 0 0 1px var(--primary-color);
}

/* Existing theme switcher styles */
#theme-switcher {
    border-radius: 6px;
    background-color: var(--ad-bg);
    border: 1px solid var(--ad-border);
}

.theme-btn {
    background-color: var(--ad-bg);
    color: var(--ad-text-color);
    padding: 8px 10px;
    font-size: 1.2rem;
    line-height: 1;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s ease;
}
.theme-btn:hover {
    background-color: var(--ad-border);
    color: var(--text-color);
}
body.dark-mode .theme-btn {
    color: #FFEB3B;
}
body:not(.dark-mode) .theme-btn {
    color: #FFC107;
}

h1 {
    margin: 0;
    color: var(--primary-color);
    font-size: 2.5rem;
    font-weight: 700;
}

.container {
    display: flex;
    width: 100%;
    flex-grow: 1;
    max-width: 1200px;
    justify-content: center;
    padding: 0 1rem;
}

main {
    flex-grow: 1;
    padding: 2.5rem;
    text-align: center;
    background-color: var(--main-bg);
    border-radius: 12px;
    box-shadow: 0 8px 20px var(--box-shadow-medium);
    margin: 1rem 0;
    width: 100%;
    max-width: 700px;
    transition: background-color 0.3s ease, box-shadow 0.3s ease;
}

footer {
    background-color: var(--footer-bg);
    padding: 1rem;
    text-align: center;
    width: 100%;
    box-shadow: 0 -4px 10px var(--box-shadow-light);
    margin-top: 1rem;
}

.ad-top, .ad-bottom, .ad-side-left, .ad-side-right {
    display: none; /* Force hide ad containers as requested */
    background-color: var(--ad-bg);
    color: var(--ad-text-color);
    padding: 0.8rem;
    margin: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    font-size: 0.9rem;
    border: 1px dashed var(--ad-border);
}

.ad-side-left, .ad-side-right {
    width: 180px;
    flex-shrink: 0;
}

.hidden {
    display: none !important;
}

/* Start Screen */
#start-screen h2 {
    font-size: 2rem;
    color: var(--start-h2-color);
    margin-bottom: 1rem;
}
#start-screen p {
    font-size: 1.15rem;
    line-height: 1.7;
    margin-bottom: 2.5rem;
    color: var(--start-p-color);
}

/* Test Screen */
#progress-indicator {
    font-size: 1.1rem;
    color: var(--ad-text-color);
    margin-bottom: 1.5rem;
    font-weight: 500;
}

#question-text {
    font-size: 1.6rem;
    font-weight: 600;
    margin-bottom: 2.5rem;
    line-height: 1.5;
    color: var(--question-text-color);
}

.answer-buttons {
    display: grid;
    grid-template-columns: 1fr;
    gap: 18px;
}

.answer-btn {
    background-color: var(--secondary-color-light);
    color: var(--secondary-color);
    padding: 18px 25px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 1.1rem;
    font-weight: 500;
    transition: all 0.3s ease;
    width: 100%;
    text-align: left;
    box-shadow: 0 2px 5px var(--box-shadow-light);
}

.answer-btn:hover {
    background-color: var(--secondary-color);
    color: #ffffff;
    transform: translateY(-2px);
    box-shadow: 0 4px 10px var(--box-shadow-strong);
}

/* Result Screen */
#result-screen {
    padding: 3rem;
    background-color: var(--result-card-bg);
    border-radius: 15px;
    box-shadow: 0 10px 30px var(--box-shadow-medium);
    border: 2px solid transparent;
    transition: all 0.4s ease;
}

#result-icon {
    font-size: 5rem;
    margin-bottom: 1rem;
    line-height: 1;
}

#result-screen h2 {
    font-size: 1.5rem;
    color: var(--result-h2-color);
    margin-bottom: 0.5rem;
}

.result-message {
    font-size: 2.2rem;
    font-weight: 700;
    margin-top: 0;
    margin-bottom: 1.5rem;
    line-height: 1.3;
}

#result-description {
    font-size: 1.15rem;
    line-height: 1.8;
    max-width: 600px;
    margin-bottom: 2.5rem;
    color: var(--text-color);
}

/* Secondary Results Styling */
#secondary-results {
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px dashed var(--ad-border);
    text-align: center; /* Center the content for a cleaner look */
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.secondary-results-title {
    font-size: 1.2rem;
    color: var(--question-text-color);
    margin-bottom: 1rem;
    font-weight: 600;
}

.secondary-result-item {
    font-size: 1.05rem;
    margin-bottom: 0.8rem;
    line-height: 1.6;
    color: var(--text-color);
}

.secondary-result-item strong {
    color: var(--primary-color);
}

/* Share Buttons Styling */
#share-buttons {
    margin-top: 2rem;
    display: flex;
    flex-wrap: wrap; /* Allow buttons to wrap on smaller screens */
    gap: 10px;
    justify-content: center;
}

.share-btn {
    padding: 12px 20px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.95rem;
    font-weight: 600;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: 8px;
    box-shadow: 0 2px 5px var(--box-shadow-medium);
}

.share-btn:hover {
    opacity: 0.9;
    transform: translateY(-1px);
}

.share-btn.kakaotalk {
    background-color: #FEE500;
    color: #191919;
}

.share-btn.twitter {
    background-color: #1DA1F2;
    color: white;
}

.share-btn.facebook {
    background-color: #1877F2;
    color: white;
}

.try-again-btn {
    background-color: var(--primary-color);
    color: white;
    padding: 15px 30px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 1.1rem;
    font-weight: 600;
    transition: background-color 0.3s ease, transform 0.2s ease;
    margin-top: 1rem;
    box-shadow: 0 3px 8px var(--box-shadow-medium);
}

.try-again-btn:hover {
    background-color: var(--primary-color-hover);
    transform: translateY(-1px);
}

/* Themed Result Cards */
.result-logic {
    border-color: #3F51B5;
}
.result-logic .result-message, .result-logic #result-icon {
    color: #3F51B5;
}

.result-chaos {
    border-color: #FF9800;
}
.result-chaos .result-message, .result-chaos #result-icon {
    color: #FF9800;
}

.result-order {
    border-color: #4CAF50;
}
.result-order .result-message, .result-order #result-icon {
    color: #4CAF50;
}

.result-emotion {
    border-color: #E91E63;
}
.result-emotion .result-message, .result-emotion #result-icon {
    color: #E91E63;
}

/* Mobile styles */
@media (max-width: 768px) {
    header {
        padding: 0.8rem 1rem 1rem 1rem; /* Adjust header padding for mobile, making room for stacked controls */
    }
    h1 {
        font-size: 1.8rem;
        margin-top: 0.5rem; /* Space below controls when stacked */
        text-align: center;
        width: 100%; /* Take full width */
    }
    .header-controls {
        position: static; /* Remove absolute positioning on mobile */
        flex-direction: row; /* Keep them in a row */
        justify-content: center;
        width: 100%;
        margin-bottom: 0.5rem; /* Space below controls */
        top: auto; /* Reset top */
        right: auto; /* Reset right */
    }
    #language-switcher, #theme-switcher {
        flex-direction: row;
        gap: 0;
    }
    .lang-btn {
        padding: 5px 8px;
        font-size: 0.75rem;
    }
    .theme-btn {
        padding: 5px 8px;
        font-size: 1rem;
    }

    .container {
        flex-direction: column;
        padding: 0; /* Remove container padding on mobile */
    }

    main {
        margin: 0.5rem auto; /* Center main horizontally */
        padding: 1.5rem 1rem; /* Apply consistent horizontal padding to main */
        width: calc(100% - 1rem); /* Account for padding */
        max-width: 100%;
        box-shadow: none;
    }
    
    #question-text {
        font-size: 1.4rem;
    }
    .answer-btn {
        padding: 12px 15px;
        font-size: 1rem;
    }
    #result-screen {
        padding: 2rem 1rem;
    }
    .result-message {
        font-size: 2rem;
    }
    #result-description {
        font-size: 0.95rem;
    }
    #result-icon {
        font-size: 4rem;
    }
    .ad-side-left, .ad-side-right {
        display: none !important;
    }
}
/* Secondary Results Styling */
#secondary-results {
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px dashed var(--ad-border);
    text-align: center; /* Center the content for a cleaner look */
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.secondary-results-title {
    font-size: 1.2rem;
    color: var(--question-text-color);
    margin-bottom: 1rem;
    font-weight: 600;
}

.secondary-result-item {
    font-size: 1.05rem;
    margin-bottom: 0.8rem;
    line-height: 1.6;
    color: var(--text-color);
}

.secondary-result-item strong {
    color: var(--primary-color);
}


/* Score Chart Styling */
#score-chart {
    margin-top: 2.5rem;
    padding-top: 2rem;
    border-top: 1px dashed var(--ad-border);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    text-align: center;
}

#score-chart h3 {
    font-size: 1.3rem;
    color: var(--question-text-color);
    margin-bottom: 1.5rem;
}

.score-bars-wrapper {
    display: flex;
    flex-direction: column;
    gap: 15px;
    width: 100%;
}

.score-bar-container {
    display: flex;
    align-items: center;
    gap: 10px;
}

.score-bar-label {
    flex-shrink: 0;
    width: 80px; /* Fixed width for labels */
    text-align: right;
    font-weight: 500;
    font-size: 0.95rem;
    color: var(--text-color);
}

.score-bar-wrapper {
    flex-grow: 1;
    display: flex;
    align-items: center;
    background-color: var(--secondary-color-light);
    border-radius: 5px;
    height: 25px;
    position: relative;
    overflow: hidden;
}

.score-bar-fill {
    height: 100%;
    border-radius: 5px;
    transition: width 0.8s ease-out;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    padding-right: 5px;
}

.score-value {
    position: absolute;
    right: 5px;
    color: white; /* Score value text should be visible on bar fill */
    font-size: 0.85rem;
    font-weight: 600;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.3);
    z-index: 1; /* Ensure value is above bar fill */
}


/* Enhanced Description Styling */
.result-text-block {
    margin-top: 1.5rem;
    padding: 1rem 1.5rem;
    background-color: var(--secondary-color-light);
    border-radius: 10px;
    font-size: 1.1rem;
    line-height: 1.7;
    color: var(--text-color);
    text-align: left;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    box-shadow: 0 2px 5px var(--box-shadow-light);
}

.result-text-block#humorous-insight {
    font-style: italic;
    color: var(--secondary-color);
    border: 1px dashed var(--secondary-color);
    margin-top: 1rem;
    font-size: 1rem;
}

.result-text-block#call-to-action {
    background-color: var(--primary-color);
    color: white;
    font-weight: 600;
    margin-top: 2rem;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.result-text-block#call-to-action:hover {
    background-color: var(--primary-color-hover);
}

.result-text-block strong {
    color: var(--primary-color);
}