/**
 * 年齢計算ツール - 専用スタイル
 */

/* 日付入力グループ */
.date-input-group {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.date-field {
    flex: 1;
    min-width: 100px;
}

.date-label {
    display: block;
    font-size: 12px;
    color: var(--color-text-muted);
    margin-bottom: 6px;
}

.date-input,
.date-select {
    width: 100%;
    padding: 12px 14px;
    font-size: 16px;
    color: var(--color-text);
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    transition: border-color 0.2s ease;
}

.date-input:focus,
.date-select:focus {
    outline: none;
    border-color: var(--color-primary);
}

.date-input::placeholder {
    color: var(--color-text-muted);
}

/* 年齢表示 */
.age-display {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 4px;
}

.age-detail {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 4px;
    margin-top: 8px;
}

.age-detail-value {
    font-family: var(--font-display);
    font-size: 20px;
    font-weight: 700;
    color: var(--color-text);
}

.age-detail-unit {
    font-size: 14px;
    color: var(--color-text-secondary);
    margin-right: 12px;
}

.age-detail-unit:last-child {
    margin-right: 0;
}

/* カスタム日付オプション */
.custom-date-wrapper {
    display: none;
    margin-left: auto;
}

.custom-date-wrapper.active {
    display: block;
}

.custom-date-input {
    padding: 8px 12px;
    font-size: 14px;
    color: var(--color-text);
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    cursor: pointer;
}

.custom-date-input:focus {
    outline: none;
    border-color: var(--color-primary);
}

/* 誕生日カウントダウン */
.birthday-section {
    padding: 16px 20px;
    background: linear-gradient(135deg, rgba(61, 90, 128, 0.05) 0%, rgba(224, 120, 80, 0.05) 100%);
    border-bottom: 1px solid var(--color-border);
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 8px 24px;
}

.birthday-info {
    display: flex;
    align-items: baseline;
    gap: 6px;
}

.birthday-label {
    font-size: 14px;
    color: var(--color-text-secondary);
}

.birthday-value {
    font-family: var(--font-display);
    font-size: 28px;
    font-weight: 700;
    color: var(--color-accent);
}

.birthday-unit {
    font-size: 14px;
    color: var(--color-text-secondary);
}

.birthday-date {
    font-size: 13px;
    color: var(--color-text-muted);
}

/* 詳細情報グリッド */
.detail-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
}

.detail-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    background: var(--color-bg);
    border-radius: var(--radius);
}

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

.detail-value {
    font-family: var(--font-display);
    font-size: 15px;
    font-weight: 700;
    color: var(--color-text);
}

/* 結果なし状態 */
.result-empty .count-value,
.result-empty .age-detail-value,
.result-empty .stat-value,
.result-empty .birthday-value {
    color: var(--color-text-muted);
}

/* レスポンシブ対応 */
@media (max-width: 600px) {
    .date-input-group {
        flex-direction: column;
        gap: 12px;
    }

    .date-field {
        min-width: 100%;
    }

    .count-section {
        padding: 20px 16px;
    }

    .count-value {
        font-size: 40px;
    }

    .age-detail {
        flex-wrap: wrap;
        justify-content: center;
    }

    .age-detail-value {
        font-size: 18px;
    }

    .options-section {
        flex-direction: column;
        gap: 12px;
        align-items: flex-start;
    }

    .custom-date-wrapper {
        margin-left: 0;
        width: 100%;
    }

    .custom-date-input {
        width: 100%;
    }

    .stats-section {
        flex-direction: column;
        gap: 12px;
    }

    .stat-item {
        width: 100%;
        justify-content: space-between;
    }

    .birthday-section {
        flex-direction: column;
        gap: 8px;
        text-align: center;
    }

    .birthday-value {
        font-size: 24px;
    }

    .detail-grid {
        grid-template-columns: 1fr;
    }

    .action-section {
        flex-direction: column;
    }

    .action-section .btn-secondary,
    .action-section .btn-primary {
        width: 100%;
    }
}