:root {
    /* Warm Minimalist Palette */
    --bg-color: #FAF7F2;        /* Warm off-white background */
    --card-bg: #FFFFFF;         /* Crisp white for content areas */
    --text-primary: #3A3532;    /* Soft dark grey/brown for readability */
    --text-secondary: #7A726D;  /* Muted grey for subtitles */
    --accent-color: #D48C70;    /* Muted warm terracotta */
    --accent-hover: #BF795E;    /* Slightly darker terracotta for hover states */
    --border-color: #EFECE6;    /* Very soft border */
    --success-bg: #F0F7F0;      /* Soft green */
    --success-border: #A3C9A3;
    --error-bg: #FDF3F3;        /* Soft red */
    --error-border: #E8A8A8;

    /* Typography */
    --font-heading: 'Lora', Georgia, serif;
    --font-body: 'Outfit', sans-serif;
    --font-nepali: 'Arya', sans-serif;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    font-family: var(--font-body);
    line-height: 1.6;
    padding: 3rem 1.5rem;
    -webkit-font-smoothing: antialiased;
}

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

h1, h2, h3, h4 {
    font-family: var(--font-heading);
    color: var(--text-primary);
    font-weight: 400;
}

.nepali-text {
    font-family: var(--font-nepali);
    font-size: 1.4rem;
    color: var(--text-secondary);
    margin-top: 0.5rem;
}

/* Header */
.hero-header {
    text-align: center;
    margin-bottom: 3.5rem;
}

.hero-header h1 {
    font-size: 2.8rem;
    margin-top: 1rem;
    letter-spacing: -0.5px;
}

.hero-header h2 {
    font-size: 1.6rem;
    color: var(--accent-color);
    margin-bottom: 0.5rem;
}

.status-badge {
    display: inline-block;
    background: var(--accent-color);
    color: #fff;
    padding: 6px 16px;
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 0.5px;
    border-radius: 30px;
    text-transform: uppercase;
}

.status-badge.outline {
    background: transparent;
    color: var(--accent-color);
    border: 1px solid var(--accent-color);
}

/* Cards */
.card {
    background: var(--card-bg);
    border-radius: 20px;
    padding: 2.5rem;
    margin-bottom: 2rem;
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.03);
    border: 1px solid var(--border-color);
}

.section-header {
    margin-bottom: 2rem;
}

.section-header h3 {
    font-size: 1.8rem;
}

.subtitle {
    color: var(--text-secondary);
    font-size: 1rem;
    margin-top: 0.2rem;
}

/* Timeline */
.timeline-item {
    margin-bottom: 1rem;
}

.timeline-trigger {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    padding: 1.2rem 1.5rem;
    border-radius: 12px;
    cursor: pointer;
    font-family: var(--font-body);
    font-size: 1.05rem;
    color: var(--text-primary);
    transition: background 0.3s ease, border-color 0.3s ease;
}

.timeline-trigger:hover {
    background: #F4F0E8;
    border-color: #DCD8D0;
}

.timeline-trigger span:first-child {
    font-weight: 500;
}

.toggle-icon {
    color: var(--accent-color);
    font-size: 1.2rem;
    font-weight: 300;
}

.timeline-details {
    display: none;
    padding: 1.5rem;
    color: var(--text-secondary);
}

.timeline-details ul {
    list-style-type: none;
}

.timeline-details li {
    position: relative;
    padding-left: 20px;
    margin-bottom: 12px;
}

.timeline-details li::before {
    content: "•";
    position: absolute;
    left: 0;
    color: var(--accent-color);
}

.timeline-details strong {
    color: var(--text-primary);
    font-weight: 500;
}

/* Grid & Info Boxes */
.grid-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.info-box {
    background: var(--bg-color);
    padding: 1.8rem;
    border-radius: 16px;
}

.info-box h4 {
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.rules-list {
    list-style: none;
    font-size: 0.95rem;
    color: var(--text-secondary);
}

.rules-list li {
    margin-bottom: 8px;
}

.rules-list strong {
    color: var(--text-primary);
}

.action-box {
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Buttons */
.btn-primary, .btn-secondary {
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: 500;
    padding: 1rem 2rem;
    border-radius: 30px;
    cursor: pointer;
    transition: all 0.2s ease;
    border: none;
    text-align: center;
}

.btn-primary {
    background-color: var(--accent-color);
    color: #fff;
    box-shadow: 0 4px 15px rgba(212, 140, 112, 0.3);
}

.btn-primary:hover {
    background-color: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(212, 140, 112, 0.4);
}

.btn-secondary {
    background-color: var(--bg-color);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background-color: #EFECE6;
}

/* Quiz UI */
.quiz-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 1.5rem;
    margin-bottom: 2rem;
}

.quiz-question {
    margin-bottom: 2.5rem;
}

.quiz-question h3 {
    font-family: var(--font-body);
    font-size: 1.15rem;
    font-weight: 500;
    margin-bottom: 1.2rem;
    line-height: 1.5;
}

.options {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.options label {
    display: flex;
    align-items: center;
    background: var(--bg-color);
    padding: 1rem 1.2rem;
    border-radius: 12px;
    cursor: pointer;
    font-size: 1rem;
    color: var(--text-secondary);
    border: 1px solid transparent;
    transition: background 0.2s, border 0.2s;
}

.options label:hover {
    background: #F4F0E8;
}

.options input[type="radio"] {
    margin-right: 15px;
    accent-color: var(--accent-color);
    transform: scale(1.1);
}

/* Validation Styles */
.correct-answer {
    background-color: var(--success-bg) !important;
    border-color: var(--success-border) !important;
    color: #2D5A2D !important;
}

.wrong-answer {
    background-color: var(--error-bg) !important;
    border-color: var(--error-border) !important;
    color: #7A2E2E !important;
}

.quiz-actions {
    margin-top: 3rem;
    display: flex;
    justify-content: center;
}

.quiz-score-box {
    background: var(--bg-color);
    padding: 3rem 2rem;
    text-align: center;
    border-radius: 16px;
    margin-top: 2rem;
}

.quiz-score-box p {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

.score-highlight {
    font-family: var(--font-heading);
    font-size: 3.5rem;
    color: var(--accent-color);
    display: block;
    margin: 1rem 0;
}

.score-breakdown p {
    margin: 5px 0;
    font-size: 1rem;
    color: var(--text-primary);
}

@media (max-width: 768px) {
    .grid-layout {
        grid-template-columns: 1fr;
    }
    .hero-header h1 {
        font-size: 2.2rem;
    }
    .quiz-header {
        flex-direction: column;
        gap: 1rem;
        align-items: flex-start;
    }
    .card {
        padding: 1.5rem;
    }
}