/* CSS DLA GRAMATYKI I CZASÓW */

.grammar-container {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.grammar-card {
    background: var(--bg-panel);
    border-radius: 20px;
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
    overflow: hidden;
}

.grammar-header {
    padding: 20px 30px;
    background: var(--bg-main);
    display: flex;
    align-items: center;
    gap: 15px;
    cursor: pointer;
    transition: 0.3s;
    border-bottom: 1px solid transparent;
}

.grammar-header:hover {
    background: rgba(59, 130, 246, 0.05);
}

.grammar-header i {
    font-size: 24px;
    color: var(--accent);
}

.grammar-header h3 {
    margin: 0;
    flex: 1;
}

.grammar-header .toggle-icon {
    color: var(--text-muted);
    transition: transform 0.3s;
}

.grammar-card.active .grammar-header {
    border-bottom-color: var(--border);
}

.grammar-card.active .toggle-icon {
    transform: rotate(180deg);
}

.grammar-content {
    padding: 30px;
    display: none;
    line-height: 1.6;
    font-size: var(--grammar-font-size, 16px);
}

.grammar-card.active .grammar-content {
    display: block;
    animation: fadeIn 0.3s ease;
}

.grammar-content h4 {
    color: var(--accent);
    margin-top: 20px;
    margin-bottom: 10px;
    font-size: calc(var(--grammar-font-size, 16px) * 1.125);
}

.grammar-content ul {
    margin-left: 20px;
    margin-bottom: 15px;
}

.grammar-content li {
    margin-bottom: 8px;
}

.grammar-content em {
    color: var(--text-muted);
    font-style: italic;
}

/* TENSES SPECIFIC */
.tense-structure {
    background: var(--bg-main);
    padding: 20px;
    border-radius: 12px;
    margin-bottom: 20px;
    border-left: 4px solid var(--accent);
    font-size: var(--tenses-font-size, 16px);
}

.tense-structure p {
    margin-bottom: 10px;
    font-family: 'JetBrains Mono', monospace;
    font-size: calc(var(--tenses-font-size, 16px) * 0.875);
}

.tense-structure p:last-child {
    margin-bottom: 0;
}

.tense-structure strong {
    display: inline-block;
    width: 120px;
    color: var(--text-muted);
}

.tense-examples {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 15px;
    margin-top: 20px;
}

.tense-example-card {
    background: var(--bg-main);
    padding: 15px;
    border-radius: 12px;
    border: 1px solid var(--border);
}

.tense-example-card.affirmative { border-left: 4px solid var(--success); }
.tense-example-card.negative { border-left: 4px solid var(--danger); }
.tense-example-card.question { border-left: 4px solid var(--accent); }

.tense-example-en {
    font-weight: 600;
    color: var(--text-main);
    margin-bottom: 5px;
}

.tense-example-pl {
    font-size: calc(var(--tenses-font-size, 16px) * 0.875);
    color: var(--text-muted);
}

.keywords-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 15px;
}

.keyword-tag {
    background: rgba(59, 130, 246, 0.1);
    color: var(--accent);
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
}