:root {
    --bg-dark: #0f172a;
    --text-light: #f8fafc;
    --text-muted: #cbd5e1;
    --primary-color: #8b5cf6;
    --primary-hover: #7c3aed;
    --secondary-color: #0ea5e9;
    --accent-color: #f43f5e;
    --glass-bg: rgba(30, 41, 59, 0.7);
    --glass-border: rgba(255, 255, 255, 0.1);
    --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.3);
    --transition-speed: 0.3s;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Outfit', sans-serif;
}

body {
    background-color: var(--bg-dark);
    color: var(--text-light);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
    position: relative;
}

/* Background Glow Effects */
.background-glow {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: -1;
    overflow: hidden;
}

.glow {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.5;
    animation: float 20s infinite alternate;
}

.glow-1 {
    top: -10%;
    left: -10%;
    width: 50vw;
    height: 50vw;
    background: radial-gradient(circle, var(--primary-color) 0%, transparent 70%);
}

.glow-2 {
    bottom: -10%;
    right: -10%;
    width: 60vw;
    height: 60vw;
    background: radial-gradient(circle, var(--secondary-color) 0%, transparent 70%);
    animation-delay: -5s;
}

@keyframes float {
    0% { transform: translate(0, 0); }
    100% { transform: translate(10%, 10%); }
}

/* Glassmorphism Utilities */
.glass-header, .glass-card, .glass-footer {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
}

/* Header */
.glass-header {
    padding: 1.5rem;
    text-align: center;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 10;
}

.glass-header h1 {
    font-size: 1.8rem;
    font-weight: 800;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: 1px;
}

/* Main Container */
.container {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 2rem 1rem;
    width: 100%;
    max-width: 800px;
    margin: 0 auto;
}

/* Cards */
.glass-card {
    width: 100%;
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: var(--glass-shadow);
    text-align: center;
    transition: opacity var(--transition-speed), transform var(--transition-speed);
}

.glass-card h2 {
    font-size: 2rem;
    margin-bottom: 1rem;
    font-weight: 600;
}

.glass-card p {
    color: var(--text-muted);
    line-height: 1.6;
    margin-bottom: 2rem;
    font-size: 1.1rem;
}

.glass-card .supporting-copy {
    margin-bottom: 1rem;
    font-size: 1rem;
}

.keyword-list {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.75rem;
    margin: 0 0 2rem;
    padding: 0;
    list-style: none;
}

.keyword-list li {
    padding: 0.55rem 0.85rem;
    border: 1px solid var(--glass-border);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.06);
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.2;
}

/* Hidden elements */
.hidden {
    display: none !important;
}

.active {
    animation: fadeIn 0.5s forwards;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Buttons */
button {
    cursor: pointer;
    border: none;
    outline: none;
    font-family: inherit;
    font-weight: 600;
    transition: all var(--transition-speed);
}

.primary-btn, .secondary-btn {
    padding: 1rem 2.5rem;
    font-size: 1.1rem;
    border-radius: 50px;
    color: white;
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
}

.primary-btn {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
}

.primary-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(139, 92, 246, 0.5);
}

.secondary-btn {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid var(--glass-border);
}

.secondary-btn:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

/* Quiz Area */
.progress-container {
    width: 100%;
    height: 8px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    margin-bottom: 2rem;
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--secondary-color), var(--primary-color));
    width: 0%;
    transition: width 0.4s ease;
}

#question-text {
    font-size: 1.5rem;
    margin-bottom: 2rem;
    font-weight: 600;
}

.options-container {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.option-btn {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
    padding: 1.2rem;
    border-radius: 12px;
    color: var(--text-light);
    font-size: 1.1rem;
    text-align: left;
    display: flex;
    align-items: center;
}

.option-btn:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: var(--primary-color);
    transform: translateX(5px);
}

/* Results Area */
.result-highlight {
    font-size: 2.2rem;
    margin-bottom: 1rem;
    background: linear-gradient(90deg, var(--secondary-color), var(--accent-color));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.advice-box {
    background: rgba(0, 0, 0, 0.2);
    border-left: 4px solid var(--primary-color);
    padding: 1.5rem;
    border-radius: 0 12px 12px 0;
    margin-bottom: 2rem;
    text-align: left;
}

.advice-box h4 {
    margin-bottom: 0.5rem;
    color: var(--primary-color);
}

/* Footer & Accordion */
.glass-footer {
    margin-top: auto;
    padding: 1rem 0;
    border-top: 1px solid var(--glass-border);
}

.footer-content {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 1rem;
}

.accordion {
    border-bottom: 1px solid rgba(255,255,255,0.05);
}

.accordion-header {
    width: 100%;
    padding: 1rem 0;
    background: none;
    color: var(--text-muted);
    text-align: left;
    font-size: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.accordion-header::after {
    content: '+';
    font-size: 1.5rem;
    transition: transform var(--transition-speed);
}

.accordion.active .accordion-header::after {
    transform: rotate(45deg);
}

.accordion.active .accordion-header {
    color: var(--text-light);
}

.accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease;
}

.accordion.active .accordion-content {
    max-height: 200px;
}

.accordion-content p {
    padding-bottom: 1rem;
    color: var(--text-muted);
    font-size: 0.9rem;
    line-height: 1.5;
}

.accordion-content a {
    color: var(--secondary-color);
    text-decoration: none;
}

.footer-bottom {
    text-align: center;
    padding-top: 1rem;
    color: var(--text-muted);
    font-size: 0.8rem;
}

/* Responsive */
@media (max-width: 600px) {
    .glass-card {
        padding: 1.5rem;
    }
    
    .glass-card h2 {
        font-size: 1.5rem;
    }
    
    #question-text {
        font-size: 1.2rem;
    }
    
    .option-btn {
        padding: 1rem;
        font-size: 1rem;
    }
}