/* ================================================================
   ダミーテキスト自動生成ツール
   Prefix: dtg- (Dummy Text Generator)
   ================================================================ */

:root {
    --dtg-primary: #e65100;
    --dtg-primary-l: #ff8a50;
    --dtg-secondary: #37474f;
    --dtg-accent: #00897b;
    --dtg-bg: #fafafa;
    --dtg-card: #ffffff;
    --dtg-text: #333333;
    --dtg-muted: #757575;
    --dtg-border: #e0e0e0;
    --dtg-preview-bg: #f9f5f0;
    --dtg-shadow: 0 2px 10px rgba(0, 0, 0, .07);
}

/* ----------------------------------------------------------------
   Container
   ---------------------------------------------------------------- */
.dtg-container {
    max-width: 840px;
    margin: 0 auto;
}

/* ----------------------------------------------------------------
   Source Cards
   ---------------------------------------------------------------- */
.dtg-sources {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 8px;
    margin-bottom: 20px;
}

.dtg-source-btn {
    padding: 10px 8px;
    border: 2px solid var(--dtg-border);
    border-radius: 10px;
    background: var(--dtg-card);
    cursor: pointer;
    font-family: inherit;
    font-size: 12px;
    font-weight: 700;
    color: var(--dtg-muted);
    text-align: center;
    transition: all .18s;
    line-height: 1.4;
    box-shadow: var(--dtg-shadow);
}

.dtg-source-btn .dtg-src-icon {
    display: block;
    font-size: 22px;
    margin-bottom: 4px;
}

.dtg-source-btn:hover {
    border-color: var(--dtg-primary-l);
    color: var(--dtg-primary);
    background: #fff3e0;
}

.dtg-source-btn.active {
    border-color: var(--dtg-primary);
    color: var(--dtg-primary);
    background: #fff3e0;
    box-shadow: 0 0 0 3px rgba(230, 81, 0, .1);
}

/* ----------------------------------------------------------------
   Options Panel
   ---------------------------------------------------------------- */
.dtg-options {
    background: var(--dtg-card);
    border: 1px solid var(--dtg-border);
    border-radius: 10px;
    padding: 18px 20px;
    margin-bottom: 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px 24px;
    box-shadow: var(--dtg-shadow);
}

.dtg-opt-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.dtg-opt-label {
    font-size: 11px;
    font-weight: 700;
    color: var(--dtg-muted);
    text-transform: uppercase;
    letter-spacing: .06em;
}

.dtg-opt-radios {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
}

.dtg-radio-label,
.dtg-checkbox-label {
    display: flex;
    align-items: center;
    gap: 5px;
    font-size: 13px;
    cursor: pointer;
    color: var(--dtg-text);
}

.dtg-radio-label input[type="radio"],
.dtg-checkbox-label input[type="checkbox"] {
    accent-color: var(--dtg-primary);
}

.dtg-num-row {
    display: flex;
    align-items: center;
    gap: 6px;
}

.dtg-num-input {
    width: 72px;
    padding: 8px 10px;
    border: 1px solid var(--dtg-border);
    border-radius: 6px;
    font-size: 15px;
    font-family: 'Consolas', monospace;
    text-align: center;
    box-sizing: border-box;
}

.dtg-num-input:focus {
    outline: none;
    border-color: var(--dtg-primary);
    box-shadow: 0 0 0 3px rgba(230, 81, 0, .1);
}

.dtg-num-btn {
    width: 30px;
    height: 30px;
    border: 1px solid var(--dtg-border);
    border-radius: 6px;
    background: #fafafa;
    font-size: 16px;
    cursor: pointer;
    font-family: inherit;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--dtg-secondary);
    transition: background .12s;
}

.dtg-num-btn:hover {
    background: #ffe0b2;
}

.dtg-unit-label {
    font-size: 13px;
    color: var(--dtg-muted);
}

/* ----------------------------------------------------------------
   Output Area
   ---------------------------------------------------------------- */
.dtg-output-wrap {
    background: var(--dtg-card);
    border: 2px solid var(--dtg-border);
    border-radius: 10px;
    padding: 18px 20px;
    margin-bottom: 16px;
    box-shadow: var(--dtg-shadow);
}

.dtg-output-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
    flex-wrap: wrap;
    gap: 8px;
}

.dtg-count-badge {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 4px 12px;
    background: var(--dtg-accent);
    color: #fff;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 700;
}

.dtg-output-btns {
    display: flex;
    gap: 8px;
}

.dtg-btn {
    padding: 8px 16px;
    border-radius: 6px;
    font-size: 13px;
    font-weight: 700;
    cursor: pointer;
    font-family: inherit;
    transition: all .15s;
    display: inline-flex;
    align-items: center;
    gap: 5px;
}

.dtg-btn-copy {
    border: 2px solid var(--dtg-accent);
    color: var(--dtg-accent);
    background: #fff;
}

.dtg-btn-copy:hover {
    background: #e0f2f1;
}

.dtg-btn-copy.copied {
    background: var(--dtg-accent);
    color: #fff;
}

.dtg-btn-regenerate {
    border: 2px solid var(--dtg-secondary);
    color: var(--dtg-secondary);
    background: #fff;
}

.dtg-btn-regenerate:hover {
    background: #eceff1;
}

.dtg-output-textarea {
    width: 100%;
    min-height: 200px;
    max-height: 350px;
    border: 1px solid var(--dtg-border);
    border-radius: 8px;
    padding: 14px;
    font-size: 14px;
    font-family: 'Consolas', 'Courier New', monospace;
    line-height: 1.8;
    color: var(--dtg-text);
    background: #fafafa;
    resize: vertical;
    box-sizing: border-box;
    overflow-y: auto;
}

/* ----------------------------------------------------------------
   Preview Area
   ---------------------------------------------------------------- */
.dtg-preview-wrap {
    background: var(--dtg-preview-bg);
    border: 1px solid #e8ddd0;
    border-radius: 10px;
    padding: 24px 28px;
    margin-bottom: 20px;
    max-height: 320px;
    overflow-y: auto;
    line-height: 1.9;
    font-size: 15px;
    color: var(--dtg-text);
    box-shadow: var(--dtg-shadow);
    display: none;
    /* shown only in HTML mode */
}

.dtg-preview-wrap p {
    margin: 0 0 1.2em;
}

.dtg-preview-label {
    font-size: 11px;
    font-weight: 700;
    color: var(--dtg-muted);
    text-transform: uppercase;
    letter-spacing: .06em;
    margin-bottom: 8px;
    display: block;
}

/* ----------------------------------------------------------------
   Responsive
   ---------------------------------------------------------------- */
@media (max-width: 640px) {
    .dtg-sources {
        grid-template-columns: repeat(2, 1fr);
    }

    .dtg-options {
        grid-template-columns: 1fr;
    }

    .dtg-output-header {
        flex-direction: column;
        align-items: flex-start;
    }
}