@import url('https://fonts.googleapis.com/css2?family=Pretendard:wght@400;500;600;700;800;900&display=swap');

:root {
    /* Color Palette - Neo Brutalism */
    --bg-color: #fdfdfd;
    --card-bg: #ffffff;
    --text-primary: #1a1a1a;
    --text-secondary: #555555;
    --accent-primary: #FF5F5F; /* Coral Red */
    --accent-secondary: #4D96FF; /* Sky Blue */
    --accent-highlight: #FFD93D; /* Bright Yellow */
    --accent-green: #6BCB77; /* Soft Green */

    /* Border & Shadow */
    --border-color: #000000;
    --border-width: 3px;
    --shadow-offset: 6px;
    --shadow-color: #000000;
    
    /* Font */
    --font-family: 'Pretendard', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
}

body {
    font-family: var(--font-family);
    background-color: var(--bg-color);
    /* Dotted Pattern Background */
    background-image: radial-gradient(#000 1px, transparent 1px);
    background-size: 20px 20px;
    color: var(--text-primary);
    margin: 0;
    padding: 20px;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    overflow-x: hidden;
}

#app {
    max-width: 500px;
    width: 100%;
    position: relative;
    z-index: 1;
}

.hidden {
    display: none !important;
}

/* Retro Card (Neo-Brutalist Container) */
.retro-card {
    background: var(--card-bg);
    border: var(--border-width) solid var(--border-color);
    box-shadow: var(--shadow-offset) var(--shadow-offset) 0px var(--shadow-color);
    border-radius: 16px; /* Slightly rounded but chunky */
    padding: 40px 30px;
    position: relative;
    transition: transform 0.2s ease;
}

/* Start Screen */
#start-screen {
    text-align: center;
}

#start-screen h1 {
    font-size: 2.5rem;
    font-weight: 900;
    margin-bottom: 20px;
    color: var(--text-primary);
    text-transform: uppercase;
    letter-spacing: -1px;
    background: var(--accent-highlight); /* Highlighter effect */
    display: inline-block;
    padding: 5px 10px;
    border: var(--border-width) solid var(--border-color);
    box-shadow: 4px 4px 0px var(--shadow-color);
    transform: rotate(-2deg);
}

#start-screen p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-top: 30px;
    margin-bottom: 40px;
    font-weight: 500;
    line-height: 1.6;
}

/* Buttons */
button {
    font-family: inherit;
    border: var(--border-width) solid var(--border-color);
    cursor: pointer;
    font-size: 1.1rem;
    font-weight: 700;
    padding: 16px 30px;
    border-radius: 12px;
    box-shadow: 4px 4px 0px var(--shadow-color);
    transition: all 0.1s ease;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    width: 100%;
}

.button-group {
    display: flex;
    flex-direction: column;
    gap: 15px;
    margin-top: 20px;
}

.secondary-btn {
    background: var(--accent-secondary);
    color: white;
}

.secondary-btn:hover {
    background: #3b82f6;
    transform: translate(-2px, -2px);
    box-shadow: 6px 6px 0px var(--shadow-color);
}

#start-btn, #restart-btn {
    background: var(--accent-primary);
    color: white;
    text-shadow: 2px 2px 0px rgba(0,0,0,0.2);
}

/* Form Styles */
.input-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 20px;
    text-align: left;
}

.input-group label {
    font-weight: 700;
    font-size: 0.9rem;
    color: var(--text-primary);
}

.input-group input, .input-group textarea {
    font-family: inherit;
    padding: 12px 15px;
    border: var(--border-width) solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 500;
    background: white;
    outline: none;
}

.input-group input:focus, .input-group textarea:focus {
    border-color: var(--accent-secondary);
    box-shadow: 4px 4px 0px var(--accent-secondary);
}

#inquiry-container h2 {
    font-size: 1.8rem;
    font-weight: 900;
    margin-bottom: 10px;
}

#inquiry-container p {
    margin-bottom: 30px;
    font-weight: 500;
    color: var(--text-secondary);
}

#start-btn:hover, #restart-btn:hover {
    background: #ff4040; /* Slightly darker red */
    transform: translate(-2px, -2px);
    box-shadow: 6px 6px 0px var(--shadow-color);
}

/* Progress Bar */
#progress-bar-container {
    width: 100%;
    height: 16px;
    background: white;
    border: var(--border-width) solid var(--border-color);
    border-radius: 20px;
    margin-bottom: 30px;
    overflow: hidden;
    box-shadow: 4px 4px 0px var(--shadow-color);
}

#progress-bar {
    height: 100%;
    width: 0;
    background: var(--accent-secondary);
    border-right: var(--border-width) solid var(--border-color);
    transition: width 0.3s ease;
}

/* Question Screen */
.question-text {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 30px;
    line-height: 1.5;
    text-align: center;
}

/* Option Buttons */
.options {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.option-btn {
    background: white;
    color: var(--text-primary);
    text-align: left;
    width: 100%;
    font-weight: 600;
}

.option-btn:hover {
    background: var(--accent-highlight);
    transform: translate(-2px, -2px);
    box-shadow: 6px 6px 0px var(--shadow-color);
}

/* Result Screen */
.result-sub-text {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 10px;
    text-align: center;
}

.retro-card h2 {
    font-size: 2.2rem;
    font-weight: 900;
    color: var(--text-primary);
    margin-bottom: 30px;
    text-align: center;
    line-height: 1.2;
}

.retro-card h2 span {
    color: var(--accent-secondary);
    text-decoration: underline;
    text-decoration-thickness: 4px;
    text-underline-offset: 4px;
}

.result-section {
    background: #f4f4f4;
    border: 2px solid var(--border-color);
    padding: 20px;
    border-radius: 12px;
    margin-bottom: 20px;
    text-align: left;
    box-shadow: 3px 3px 0px rgba(0,0,0,0.1);
}

.result-section h3 {
    font-size: 1.1rem;
    font-weight: 800;
    color: var(--text-primary);
    margin: 0 0 10px 0;
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--accent-highlight);
    display: inline-block;
    padding: 2px 8px;
    border: 2px solid var(--border-color);
    transform: rotate(-1deg);
}

.result-section p, .result-section ul {
    font-size: 0.95rem;
    line-height: 1.6;
    color: var(--text-secondary);
    margin: 10px 0 0 0;
    padding-left: 0;
    font-weight: 500;
}

.result-section ul li {
    list-style-type: none;
    position: relative;
    padding-left: 20px;
    margin-bottom: 6px;
}

.result-section ul li::before {
    content: '▪';
    position: absolute;
    left: 0;
    color: var(--accent-primary);
    font-size: 1.2em;
    line-height: 1;
}

/* Chemi Section */
.chemi-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
    margin-top: 15px;
}

.chemi-item {
    background: white;
    border: 2px solid var(--border-color);
    padding: 15px;
    border-radius: 10px;
    text-align: center;
    box-shadow: 2px 2px 0px var(--border-color);
}

.chemi-label {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--text-secondary);
    margin-bottom: 5px;
    text-transform: uppercase;
}

.chemi-value {
    font-size: 1rem;
    font-weight: 800;
}

.chemi-value.best { color: var(--accent-green); }
.chemi-value.worst { color: var(--accent-primary); }

/* Animations */
.animate-in {
    animation: slideUp 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275) forwards;
}

@keyframes slideUp {
    from { opacity: 0; transform: translateY(50px); }
    to { opacity: 1; transform: translateY(0); }
}

.animate-out {
    animation: fadeOut 0.3s ease-out forwards;
}

@keyframes fadeOut {
    from { opacity: 1; transform: scale(1); }
    to { opacity: 0; transform: scale(0.95); }
}

/* Mobile Responsiveness */
@media (max-width: 600px) {
    body { padding: 10px; }
    .retro-card { padding: 30px 20px; }
    #start-screen h1 { font-size: 1.8rem; }
    .question-text { font-size: 1.2rem; }
    .retro-card h2 { font-size: 1.8rem; }
}