:root {
    --primary: #f36c21;
    --dark: #1e293b;
    --light: #f8fafc;
    --card-bg: #ffffff;
    --text: #334155;
    --border: #e2e8f0;
}

body {
    margin: 0;
    font-family: system-ui, -apple-system, sans-serif;
    background: var(--light);
    color: var(--text);
}

.hidden { display: none !important; }

/* Modal logowania */
.auth-modal {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.auth-box {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 8px;
    width: 320px;
}

.auth-box input {
    width: 100%;
    padding: 0.75rem;
    margin-bottom: 1rem;
    box-sizing: border-box;
    border: 1px solid var(--border);
    border-radius: 4px;
}

.auth-actions { display: flex; gap: 0.5rem; }

/* Nawigacja wielostronicowa */
.navbar {
    background: var(--dark);
    color: white;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 2rem;
    height: 60px;
}

.logo { font-weight: bold; font-size: 1.2rem; color: var(--primary); }

.nav-links {
    list-style: none;
    display: flex;
    gap: 0.5rem;
    margin: 0;
    padding: 0;
}

.nav-btn {
    color: #94a3b8;
    text-decoration: none;
    padding: 0.5rem 1rem;
    border-radius: 4px;
    transition: 0.2s;
}

.nav-btn:hover, .nav-btn.active {
    color: white;
    background: rgba(255,255,255,0.1);
}

.user-profile { font-size: 0.9rem; }

/* Kontener podstron */
.content {
    max-width: 1000px;
    margin: 2rem auto;
    padding: 0 1rem;
}

.view-page { display: none; }
.view-page.active { display: block; }

.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.5rem;
    margin-top: 1.5rem;
}

.card {
    background: var(--card-bg);
    padding: 2rem 1.5rem;
    border-radius: 12px;
    border: 1px solid var(--border);
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
    background-size: cover !important;
    background-position: center !important;
    color: white !important;
    text-shadow: 1px 1px 4px rgba(0,0,0,0.9);
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

.card-quiz { background: linear-gradient(rgba(0,0,0,0.5), rgba(0,0,0,0.7)), url('assets/quiz_bg.jpg'); }
.card-rules { background: linear-gradient(rgba(0,0,0,0.5), rgba(0,0,0,0.7)), url('assets/rules_bg.jpg'); }
.card-interp { background: linear-gradient(rgba(0,0,0,0.5), rgba(0,0,0,0.7)), url('assets/interp_bg.jpg'); }

.card h3 {
    font-weight: 800;
    font-size: 1.4rem;
    margin-bottom: 0.75rem;
    color: white !important;
}

.card p {
    font-size: 1.05rem;
    line-height: 1.4;
    color: #f1f5f9;
}

.card:hover { 
    transform: translateY(-5px); 
    box-shadow: 0 8px 15px rgba(0,0,0,0.2);
}

/* Przyciski i listy */
.btn {
    background: var(--primary);
    color: white;
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: 4px;
    cursor: pointer;
    width: 100%;
}

.btn-secondary { background: #64748b; }
.btn-small { background: #ef4444; color: white; border: none; padding: 0.25rem 0.5rem; border-radius: 4px; cursor: pointer; }

.answer-btn {
    display: block;
    width: 100%;
    text-align: left;
    margin-bottom: 0.5rem;
    padding: 1rem;
    background: white;
    border: 1px solid var(--border);
    border-radius: 4px;
    cursor: pointer;
}

.answer-btn:hover { background: #f1f5f9; }

.data-list { list-style: none; padding: 0; }
.data-list li {
    background: white;
    padding: 1rem;
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
}
.error { color: #ef4444; font-size: 0.85rem; }


/* --- WIDOK PRZEPISÓW (Kafelki + Akordeon) --- */
.rules-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
    margin-top: 1.5rem;
}

.rule-category-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 8px;
    overflow: hidden;
}

.category-header {
    background: var(--dark);
    color: white;
    padding: 1rem 1.5rem;
}

.category-header h3 {
    margin: 0;
    color: white;
    font-size: 1.1rem;
}

.category-body {
    padding: 0;
}

.accordion-item {
    border-bottom: 1px solid var(--border);
}

.accordion-item:last-child {
    border-bottom: none;
}

.accordion-header {
    width: 100%;
    background: transparent;
    border: none;
    padding: 1rem 1.5rem;
    text-align: left;
    font-weight: 600;
    color: var(--text);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background-color 0.2s;
}

.accordion-header:hover {
    background: #f1f5f9;
}

.arrow {
    transition: transform 0.3s ease;
    font-size: 0.8rem;
    color: var(--primary);
}

.accordion-content {
    max-height: 0;
    overflow: hidden;
    padding: 0 1.5rem;
    background: var(--light);
    transition: max-height 0.3s ease, padding 0.3s ease;
}

.accordion-content.open {
    max-height: none;
    overflow: visible;
    padding: 1rem 1.5rem;
}

.accordion-content p {
    margin: 0;
    font-size: 0.95rem;
    line-height: 1.5;
}