/* n-gram-analyzer-style.css */

.tool-header {
    text-align: center;
    padding: 40px 20px;
    background-color: var(--white-color);
    border-bottom: 1px solid var(--border-color);
}

.tool-header h1 {
    margin: 0;
    font-size: 32px;
}

.tool-container {
    background-color: var(--white-color);
    padding: 30px;
    border-radius: 8px;
    box-shadow: var(--shadow);
    max-width: 1000px;
    margin: 40px auto;
}

/* --- Step 1: アップロードエリア --- */
#upload-step h3 {
    text-align: center;
    font-size: 20px;
    margin-bottom: 15px;
}

.pre-upload-options {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    max-width: 600px;
    margin: 0 auto 30px auto;
}

.drop-zone {
    border: 2px dashed var(--border-color);
    border-radius: 8px;
    padding: 40px;
    text-align: center;
    cursor: pointer;
    transition: background-color 0.3s, border-color 0.3s;
}

.drop-zone.drag-over {
    border-color: var(--primary-color);
    background-color: #e9f5ff;
}

.drop-zone i {
    font-size: 48px;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.drop-zone p {
    margin: 0 0 15px 0;
    color: var(--light-text-color);
}

.tool-btn-secondary {
    padding: 10px 20px;
    font-size: 16px;
    font-weight: 500;
    background-color: var(--light-text-color);
    color: var(--white-color);
    border: none;
    border-radius: 4px;
    cursor: pointer;
}

/* --- Step 2: オプション設定 --- */
#options-step h3 {
    font-size: 20px;
    margin-top: 0;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--border-color);
}

.options-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
    margin-bottom: 20px;
    max-width: 300px;
}

.option-group {
    display: flex;
    flex-direction: column;
}

.option-group label {
    font-weight: 600;
    margin-bottom: 8px;
    font-size: 14px;
}

.option-group select,
.option-group input {
    width: 100%;
    padding: 10px;
    font-size: 16px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    box-sizing: border-box;
}

hr {
    border: none;
    border-top: 1px solid var(--border-color);
    margin: 30px 0;
}

/* --- 結果表示 --- */
.result-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 30px;
}

.result-card {
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
}

.result-card.winning-card .result-header {
    background-color: #e6fffa;
}

.result-card.losing-card .result-header {
    background-color: #fce4ec;
}

.result-card.winning-card h4 {
    color: #00796b;
}

.result-card.losing-card h4 {
    color: #d81b60;
}

.result-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 15px;
}

.result-header h4 {
    margin: 0;
    font-size: 16px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.copy-btn {
    background-color: var(--primary-color);
    padding: 5px 15px;
    font-size: 14px;
    border: none;
    color: white;
    border-radius: 4px;
    cursor: pointer;
}

.copy-btn:hover {
    background-color: var(--primary-color-dark);
}

.result-card textarea {
    width: 100%;
    box-sizing: border-box;
    border: none;
    border-top: 1px solid var(--border-color);
    padding: 10px;
    font-family: 'Consolas', 'Monaco', monospace;
    resize: none;
    background-color: var(--bg-color);
}

.table-wrapper {
    max-height: 500px;
    overflow: auto;
    border: 1px solid var(--border-color);
}

.sortable-table {
    width: 100%;
    border-collapse: collapse;
}

.sortable-table th,
.sortable-table td {
    padding: 8px 12px;
    border: 1px solid var(--border-color);
    text-align: left;
    font-size: 14px;
    white-space: nowrap;
}

.sortable-table th {
    background-color: var(--bg-color);
    position: sticky;
    top: 0;
    font-weight: 600;
    cursor: pointer;
}

.sortable-table th[data-order]:after {
    content: '';
    display: inline-block;
    margin-left: 5px;
    border: 4px solid transparent;
}

.sortable-table th[data-order="asc"]:after {
    border-bottom-color: var(--text-color);
}

.sortable-table th[data-order="desc"]:after {
    border-top-color: var(--text-color);
}

.sortable-table td:not(:first-child) {
    text-align: right;
}

.sortable-table .row-win td {
    background-color: #e6fffa;
}

.sortable-table .row-lose td {
    background-color: #fce4ec;
}

@media (max-width: 768px) {
    .result-layout {
        grid-template-columns: 1fr;
    }
}