/* Reset & Typography */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --color-bg: #fafafa;
    --color-fg: #1a1a1a;
    --color-border: #e0e0e0;
    --color-accent: #2563eb;
    --color-accent-light: #dbeafe;
    --spacing-xs: 0.5rem;
    --spacing-sm: 0.8rem;
    --spacing-md: 1.0rem;
    --spacing-lg: 1.0rem;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Hiragino Sans', 'Hiragino Kaku Gothic ProN', 'Meiryo', sans-serif;
    background-color: var(--color-bg);
    color: var(--color-fg);
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* Header */
.header {
    background: white;
    border-bottom: 1px solid var(--color-border);
    padding: var(--spacing-lg) 0;
    margin-bottom: var(--spacing-lg);
}

.title {
    font-size: 2rem;
    font-weight: 700;
    margin: var(--spacing-xs);
    letter-spacing: -0.5px;
}

.subtitle {
    font-size: 0.9rem;
    color: #666;
    font-weight: 400;
    margin: var(--spacing-xs);
}

/* Controls */
.controls {
    background: white;
    border: 1px solid var(--color-border);
    border-radius: 8px;
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.search-box {
    margin-bottom: var(--spacing-lg);
}

.search-input {
    width: 100%;
    padding: var(--spacing-sm);
    font-size: 1rem;
    border: 2px solid var(--color-border);
    border-radius: 6px;
    outline: none;
    transition: border-color 0.2s;
}

.search-input:focus {
    border-color: var(--color-accent);
}

.filters {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    align-items: center;
}

.filter-group {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.filter-group label {
    font-weight: 600;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: #666;
    white-space: nowrap;
    margin-bottom: 0;
}

.filter-select {
    width: fit-content;
    padding: 0.5rem;
    border: 1px solid var(--color-border);
    border-radius: 4px;
    background: white;
    cursor: pointer;
    font-size: 0.9rem;
    transition: border-color 0.2s;
}

.filter-select:focus {
    outline: none;
    border-color: var(--color-accent);
}

.filter-select:hover {
    border-color: var(--color-accent);
}

.result-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--color-border);
    font-size: 0.9rem;
    color: #666;
}

.clear-btn {
    padding: 0.5rem 1rem;
    background: transparent;
    border: 1px solid var(--color-border);
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.85rem;
    transition: all 0.2s;
}

.clear-btn:hover {
    background: var(--color-accent-light);
    border-color: var(--color-accent);
}

/* Grid */
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.card {
    background: white;
    border: 1px solid var(--color-border);
    border-radius: 8px;
    overflow: hidden;
    cursor: pointer;
    transition: all 0.3s;
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.1);
    border-color: var(--color-accent);
}

.card-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    background: var(--color-bg);
}

.card-content {
    padding: var(--spacing-sm);
    min-height: 80px;
    display: flex;
    flex-direction: column;
}

.card-text {
    font-size: 0.85rem;
    line-height: 1.4;
    color: #666;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 5;
    -webkit-box-orient: vertical;
    word-break: break-all;
    flex: 1;
    margin-bottom: var(--spacing-xs);
}

.card-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.25rem;
}

.card-tag {
    font-size: 0.7rem;
    padding: 0.25rem 0.5rem;
    background: var(--color-accent-light);
    color: var(--color-accent);
    border-radius: 2px;
    font-weight: 600;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    animation: fadeIn 0.2s;
}

.modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.modal-content {
    background-color: white;
    border-radius: 12px;
    width: 90%;
    max-width: 900px;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    animation: slideUp 0.3s;
}

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

.modal-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: transparent;
    border: none;
    font-size: 2rem;
    cursor: pointer;
    z-index: 10;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
    transition: background 0.2s;
}

.modal-close:hover {
    background: var(--color-bg);
}

.modal-body {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    padding: var(--spacing-lg);
}

.modal-image {
    width: 100%;
    border-radius: 8px;
    object-fit: contain;
}

.modal-info {
    overflow-y: auto;
    max-height: calc(90vh - 2rem);
}

.modal-text-container {
    margin-bottom: var(--spacing-lg);
}

.modal-text-container h2 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: #666;
}

.modal-text {
    font-family: 'Courier New', monospace;
    font-size: 0.95rem;
    line-height: 1.6;
    background: var(--color-bg);
    padding: var(--spacing-sm);
    border-radius: 6px;
    border: 1px solid var(--color-border);
    white-space: pre-wrap;
    word-break: break-word;
}

.modal-meta {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.meta-item {
    padding: var(--spacing-sm);
    background: var(--color-bg);
    border-radius: 6px;
    border-left: 3px solid #bbb;
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.info-meta {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
}

.meta-item strong {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: #666;
    white-space: nowrap;
    flex-shrink: 0;
    margin-top: 0.1rem;
}

.meta-item div {
    font-family: inherit;
    font-size: 0.85rem;
    line-height: 1.4;
    word-break: break-word;
}

#pictogramsList {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 0.25rem;
}

.language-tag {
    display: inline-block;
    padding: 0.2rem 0.5rem;
    background: #dbeafe;
    color: #2563eb;
    border-radius: 3px;
    font-size: 0.8rem;
    font-weight: 500;
    margin-right: 0.4rem;
    margin-bottom: 0.3rem;
}

.form-tag {
    display: inline-block;
    padding: 0.2rem 0.5rem;
    background: #e0e0e0;
    color: #636363;
    border-radius: 3px;
    font-size: 0.8rem;
    font-weight: 500;
    margin-right: 0.4rem;
    margin-bottom: 0.3rem;
}

.pictogram-tag {
    padding: 0.2rem 0.5rem;
    background: #fce7f3;
    color: #ec4899;
    border-radius: 3px;
    font-size: 0.8rem;
    font-weight: 500;
}

.signs-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.sign-item {
    padding: var(--spacing-md);
    background: var(--color-bg);
    border-radius: 6px;
    border-left: 4px solid var(--color-accent);
}

.sign-item.secondary {
    border-left-color: var(--color-accent);
    opacity: 1;
}

.sign-item h3 {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: #666;
    margin-bottom: 0.5rem;
}

.sign-text {
    font-family: inherit;
    font-size: 0.9rem;
    line-height: 1.6;
    white-space: pre-wrap;
    word-break: break-word;
    margin-bottom: 0.75rem;
}

.sign-meta {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
    font-size: 0.8rem;
}

.meta-line {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
}

.sign-meta strong {
    color: #666;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    white-space: nowrap;
    flex-shrink: 0;
    margin-top: 0.15rem;
}

.language-tags,
.form-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.3rem;
}

@media (max-width: 768px) {
    .title {
        font-size: 1.8rem;
    }

    .subtitle {
        font-size: 0.8rem;
    }

    .grid {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
        gap: var(--spacing-sm);
    }

    .filters {
        flex-direction: column;
        gap: var(--spacing-md);
    }

    .filter-group {
        display: inline-block;
        min-width: 100%;
    }

    .modal-body {
        grid-template-columns: 1fr;
        padding: var(--spacing-md);
        gap: var(--spacing-md);
    }

    .result-info {
        flex-direction: column;
        gap: var(--spacing-sm);
        align-items: flex-start;
    }

    .modal-info {
        max-height: auto;
    }
}